CN104252635A - Induction card learning device and operation method thereof - Google Patents
Induction card learning device and operation method thereof Download PDFInfo
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- CN104252635A CN104252635A CN201410265373.1A CN201410265373A CN104252635A CN 104252635 A CN104252635 A CN 104252635A CN 201410265373 A CN201410265373 A CN 201410265373A CN 104252635 A CN104252635 A CN 104252635A
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- 230000006698 induction Effects 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims abstract description 18
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- 238000004088 simulation Methods 0.000 claims description 14
- 230000005674 electromagnetic induction Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 10
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- 238000003199 nucleic acid amplification method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
- G06K19/0725—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being a circuit for emulating a plurality of record carriers, e.g. a single RFID tag capable of representing itself to a reader as a cloud of RFID tags
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
- G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
- G06K19/07758—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
- G06K19/07762—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag the adhering arrangement making the record carrier wearable, e.g. having the form of a ring, watch, glove or bracelet
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
- G09B19/003—Repetitive work cycles; Sequence of movements
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/04—Input or output devices integrated in time-pieces using radio waves
Abstract
The invention provides a sensing card learning device and an operation method thereof. The induction card learning device comprises a microcontroller and a coil. The induction card learning device can be directly powered by a battery or powered by electromagnetic induction. In the learning mode, the card number and data of the induction card are read out and stored in the microcontroller. In the normal mode, when the electromagnetic signal sent by the induction card reading and writing equipment is detected, the card number and the read and written data of the induction card are mutually transmitted with the induction card reading and writing equipment.
Description
Technical field
The invention relates to a kind of electronic installation, and relate to a kind of contactless card learning device and method of operating thereof especially.
Background technology
In modern society, radio-frequency (RF) identification (radio frequency identification; Be called for short RFID) technology, because having contactless identification and data security advantages of higher, and be widely used in various field, such as elevator card, access card, permit identification, micropayment ... Deng.And radio-frequency recognition system is mainly made up of reader (reader) and RFID tag (RFID tag).Wherein reader and RFID tag are all configured with coil, are beneficial to the carrying out of wireless radio frequency transmission.RFID tag (such as: radio-frequency identification card) comprises coil and radio-frequency (RF) identification chip, and radio-frequency (RF) identification chip is electrically coupled to coil.When RFID tag is near reader, the coil of RFID tag can with the coil of reader be responded to and communicate mutually.
But, because radio-frequency identification card is applied in daily life widely, therefore user often need carry radio-frequency identification card gos out, although the existing radio-frequency identification card combined with mancarried device (such as: pendant, cell phone back cover) or Wearable device (such as: bangle) on the market, if but need to change radio-frequency identification card, then mancarried device or Wearable device all obtain and change in the lump, and can not continue to continue to use original device.The above is all existing technology and does not attain desirable part, needs to be further reviewed in fact, and seeks feasible solution.
Summary of the invention
The invention provides a kind of contactless card learning device and method of operating thereof, it can read card number and the data of at least one contactless card, and is stored in contactless card learning device by the card number of reading and data, in order to replace the described contactless card read.
Contactless card learning device of the present invention is applicable to card number and the data of reading one low frequency induction card.Described contactless card learning device comprises microcontroller and coil.Coil couples microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, does not read chip in wherein said contactless card learning device containing contactless card.
Contactless card learning device of the present invention is applicable to simulation low frequency induction card, and sends out card number and data.Described contactless card learning device comprises microcontroller and coil.Coil couples microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, not containing contactless card induction chip in wherein said contactless card learning device.
Contactless card learning device of the present invention is applicable to transmit mutually or receive card number and data with high-frequency induction card.Described contactless card learning device comprises microcontroller and coil.Coil couples microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, not containing high-frequency induction card read-write chip in wherein said contactless card learning device.
Contactless card learning device of the present invention is applicable to simulation high-frequency induction card, and transmits mutually or receive card number and data with a high-frequency induction read-write equipment.Described contactless card learning device comprises microcontroller and coil.Coil couples microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, not containing high-frequency induction the core of the card sheet in wherein said contactless card learning device.
Contactless card learning device of the present invention is applicable to the card number and the data that read low frequency induction card, and transmits mutually or receive card number and data with a high-frequency induction card, and described contactless card learning device comprises microcontroller and coil.Described coil is couple to microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load.
In an embodiment of the present invention, contactless card learning device can store multiple different card number and data.When close to a low frequency fetch equipment or a high frequency read-write equipment, automatically judge according to the carrier frequency height received, close to the card number and the data that spread out of low frequency induction device during low frequency induction fetch equipment, close to during high-frequency induction read-write equipment and high-frequency induction read-write equipment transmit mutually or receive card number and data.
Contactless card learning device of the present invention, be applicable to simulation one low frequency induction card, and send out card number and data, and simulation one high-frequency induction card, and transmitting mutually or receive card number and data with a high-frequency induction read-write equipment, described contactless card learning device comprises microcontroller and coil.Described coil is coupled to microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load.
In an embodiment of the present invention, wherein with described contactless card learning device close to a contactless card fetch equipment time, automatically judge according to the carrier frequency height received, when low frequency induction fetch equipment, switch different card numbers at set intervals and data pass to fetch equipment, when high-frequency induction read-write equipment, transmit mutually or receive card number and data with different card numbers and data and high-frequency induction read-write equipment at set intervals.
Contactless card learning device of the present invention comprises microcontroller and coil, described coil is coupled to microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein with contactless card learning device close to a low frequency fetch equipment of external device (ED) or a high frequency read-write equipment time, because receiving the carrier signal height change of low frequency fetch equipment or high frequency read-write equipment, microcontroller is waken up.Contactless card learning device of the present invention, has the card number and data that can read low frequency induction card and can read high-frequency induction card and transmit mutually or receive card number and data.Described contactless card learning device is encapsulated in one chip, and wherein this one chip comprises microprocessor and a sensing element, and this sensing element be coil, antenna or board circuit cabling form one of them.
Contactless card learning device of the present invention, has and in order to simulate a low frequency induction card, and can send out card number and data, and can simulate a high-frequency induction card, and transmit mutually or receive card number and data with a high-frequency induction read-write equipment.Described contactless card learning device is encapsulated in one chip, and wherein this one chip comprises microprocessor and a sensing element, and this sensing element be coil, antenna or board circuit cabling form one of them.
Contactless card learning device of the present invention, comprises microcontroller and coil.Described coil couples microcontroller, and receive one first signal, described first signal comprises a contactless card card number.Wherein, microcontroller receives the first signal by coil, and stores contactless card card number.When microcontroller receives a read requests, then microcontroller transmits contactless card card number by coil.
The method of operating of contactless card learning device of the present invention, comprises the following steps: configure a microcontroller and a coil, microcontroller receives the first signal by coil, and the first signal includes a contactless card card number, and microcontroller stores contactless card card number; And when microcontroller receives a read requests, then microcontroller transmits contactless card card number by this coil.
Based on above-mentioned, because contactless card learning device of the present invention and method of operating thereof can read and store card number and the data of at least one contactless card, therefore can by the card number of multiple contactless card and data integration in a device.And use microcontroller to realize, so light portative object can be reached because of contactless card learning device of the present invention.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the contactless card learning device of one embodiment of the invention;
Fig. 2 is the circuit diagram of the contactless card learning device of one embodiment of the invention;
Fig. 3 is the circuit diagram of the contactless card learning device of another embodiment of the present invention;
Fig. 4 is the method for operating of the contactless card learning device of one embodiment of the invention;
Fig. 5 is the circuit diagram of the contactless card learning device of another embodiment of the present invention;
Fig. 6 is the circuit diagram of the contactless card learning device of another embodiment of the present invention;
Fig. 7 is the schematic diagram that the contactless card learning device of one embodiment of the invention realizes with wrist-watch;
Fig. 8 is the use schematic diagram of the contactless card learning device of one embodiment of the invention;
Fig. 9 is another use schematic diagram of the contactless card learning device of one embodiment of the invention;
Figure 10 is the oscillogram that the pin position I/O Port1 of the contactless card learning device 10 of Fig. 2 embodiment and pin position I/O Port2 do not connect coil 12;
Figure 11 is the oscillogram that the contactless card learning device 10 pin position I/O Port1 of Fig. 2 embodiment and pin position I/O Port2 connect coil 12;
Figure 12 is the enlarged drawing of Figure 11 block b1101;
When Figure 13 represents that Fig. 2 embodiment does not read contactless card, the simulating signal of input is converted to the schematic diagram of the numerical value of digital signal by pin position ADC Input;
When Figure 14 represents that Fig. 2 embodiment reads contactless card, the simulating signal of input is converted to the schematic diagram of the numerical value of digital signal by pin position ADC Input;
The oscillogram of signal when Figure 15 is simulation low frequency induction card;
The oscillogram of pin position I/O Port2 when Figure 16 is non-wiring circle and pin position PWM Output Port;
When Figure 17 is for connecting coil, the oscillogram of pin position I/O Port2 and pin position PWM Output Port;
Figure 18 be microcontroller according to transformat, the output pulse width modulating signal On/Off of control pin position PWM Output Port sends oscillogram during REQA instruction;
Figure 19 is the oscillogram that REQA instruction sent by microcontroller;
Figure 20 is the oscillogram that REQA instruction sent by microcontroller;
Figure 21 is the oscillogram that SELECT instruction sent by microcontroller;
Figure 22 is that REQA instruction sent by microcontroller, and the oscillogram that the ATQA receiving high-frequency induction card responds;
When Figure 23 is contactless card response ATQA response, the oscillogram of amplification time axle;
Figure 24 is that microcontroller transmits SELECT instruction and receives the oscillogram that contactless card returns card number (UID);
Figure 25 is the oscillogram that contactless card passback ATQA responds;
Figure 26 is the oscillogram of contactless card passback card number;
Figure 27 is the schematic diagram analyzed UID Wave data and convert card number to;
Figure 28 is the oscillogram that microcontroller 11 receives the REQA instruction that contactless card card reader spreads out of;
Figure 29 is microcontroller 11 instruction that receives contactless card card reader and the oscillogram spreading out of ATQA and react;
Figure 30 is the waveform amplification figure of ATQA reaction in Figure 29;
Figure 31 is that microcontroller receives the SELECT instruction of card reader and spreads out of the oscillogram of the UID card number be stored in contactless card learning device;
Figure 32 is the waveform amplification figure that in Figure 31, microcontroller spreads out of UID card number.
Description of reference numerals:
10,70: contactless card learning device;
11: microcontroller;
12,72: coil;
13: power supply;
14: input stage circuit;
75: table body;
751: time showing district;
752: pilot lamp;
753,754: button;
76: watchband;
81: permit identification;
82: access card;
83: elevator card;
91: contactless card read-write equipment;
A1: time;
A2: pressure drop;
ADC Input, I/O Port1, I/O Port2, I/O Port3, OP+Input, OP-Input, OP Output, PWM Output Port: pin position;
B1101, b1401, b1402, b1501 ~ b1507, b2701, b2702: block;
C1, C2, C3: electric capacity;
D1: diode;
GND: grounding leg position;
R1, R2, R3: resistance;
OP1: operational amplifier;
P1001, P1002, P1601, P1602, P1901, P1902, P1903, P1904, P2801, P2802, P2803, P2804: waveform;
S401, S402: step;
VDD: power supply pin.
Embodiment
With detailed reference to one exemplary embodiment of the present invention, the example of described one exemplary embodiment is described in the accompanying drawings.In addition, all possibility parts, use the element/component of identical label to represent identical or similar portions in drawings and the embodiments.
Fig. 1 is the schematic diagram of the contactless card learning device of one embodiment of the invention.Refer to Fig. 1.Contactless card learning device 10 of the present invention comprises microcontroller (microcontroller) 11 and coil 12.Microcontroller 11 can be the hardware unit possessing arithmetic capability.In this embodiment, microcontroller 11 can be incorporated in an integrated circuit (such as: chip).Microcontroller 11 can with the frequency of rule to coil 12 output voltage.In addition, microcontroller 11 can be eight bit microcontrollers, also can be four bit microcontrollers, but is not restricted to this.In this embodiment, the function that coil 12 is main is as the medium transmitting radio wave signal between contactless card learning device and label.
In this embodiment, contactless card can be radio-frequency (RF) identification (RFID) label or near-field communication (NFC) label, but is not restricted to this.Contactless card can be access card, elevator card, permit identification etc.In this embodiment, coil 12 can be the inductive coil being applicable to REID or near-field communication technology.And in other embodiments, coil 12 can use inductor to realize, but be not restricted to this.Implement in example one, this contactless card learning device can be encapsulated in one chip, namely one chip comprises above-mentioned microcontroller and a sensing element (microcontroller 11 in such as figure and coil 12 are example), implement in example in another one, this sensing element also can be for the antenna of specific contactless card or in internal circuit board circuit trace, and this sensing element can be inductance or other have active or the passive device of inducing function.
In embodiments of the present invention, contactless card learning device 10 can store multiple different card number and data.This contactless card learning device 10 has the card number and data that can read low frequency induction card and can read high-frequency induction card and transmits mutually or receive card number and data.This low frequency induction card is such as the contactless card of communication carrier frequency at below 150kHz.And high-frequency induction card is the contactless card of communication carrier frequency at more than 150kHz, below 40MHz.
Contactless card learning device of the present invention, has the card number and data that can read low frequency induction card and can read high-frequency induction card and transmit mutually or receive card number and data.Contactless card learning device of the present invention has in another embodiment and in order to simulate a low frequency induction card, and can send out card number and data, and can simulate a high-frequency induction card, and transmits mutually or receive card number and data with a high-frequency induction read-write equipment.
Fig. 2 is the circuit diagram of the contactless card learning device of one embodiment of the invention.Refer to Fig. 2.The contactless card learning device of Fig. 2 is applicable to read and simulation low frequency induction card.Low frequency induction card refers to the contactless card of communication carrier frequency at below 150kHz, and common application has access card, elevator card etc.The contactless card learning device of Fig. 2 is active, and power supply pin VDD and the grounding leg position GND of its microcontroller 11 need external power supply 13, such as battery or direct supply etc.In the embodiment of fig. 2, one end of coil 12 is coupled to pin position I/O Port1, and pin position I/O Port2 and pin position ADC Input couples.And the other end of coil 12 and pin position I/O Port2 and pin position ADC Input couple.Wherein, pin position ADCInput is used for the simulating signal that receiving antenna 12 senses, and via microcontroller 11, the simulating signal sensed is converted to digital signal to understand out the information such as card number.In addition, as shown in Figure 3, contactless card learning device of the present invention also can be passive type, and passive type does not need external power supply.
Fig. 4 is the method for operating of the contactless card learning device of one embodiment of the invention.Refer to Fig. 2 and Fig. 4.Microcontroller 11 receives the first signal by coil 12, and described first signal includes a contactless card card number, and microcontroller 11 stores contactless card card number (step S410).And when microcontroller 11 receives a read requests, then microcontroller 11 transmits contactless card card number (step S420) by coil 12.
The contactless card learning device of Fig. 5 to Fig. 6 is applicable to read simulation high-frequency induction card and low frequency induction card.And high-frequency induction card refers to the contactless card of communication carrier frequency at more than 150kHz, below 40MHz, comprise the contactless card meeting the specifications such as ISO/IEC14443A, ISO/IEC14443B, JIS X6319-4, ISO/IEC15693, ISO/IEC18000-3.Refer to Fig. 5 and Fig. 6.The difference of Fig. 5 and Fig. 6 is that the contactless card learning device of Fig. 5 is active, and power supply pin VDD and the grounding leg position GND of its microcontroller 11 need external power supply 13, such as battery, direct supply etc.And the contactless card learning device of Fig. 6 is passive type, therefore do not need external power supply.Fig. 5 also comprises pin position PWM Output Port compared to Fig. 2, in order to export an output pulse width modulating signal (output pulse-width-modulation (being called for short PWM) signal), pin position OP+Input, pin position OP-Input, pin position OP Output and pin position I/O Port3.Pin position PWM Output Port is coupled to pin position I/O Port1.One end of antenna 12 is coupled to pin position PWM Output Port and pin position I/O Port1.The other end of antenna 12 and pin position I/O Port2 and pin position ADC Input couple.
The input end of input stage circuit 14 is coupled to the other end of antenna 12, and the output terminal of input stage circuit 14 is coupled to pin position OP+Input and pin position OP-Input.Diode D1 is used for rectification.Input stage circuit 14 comprises electric capacity C1, C2, C3, resistance R1, R2, R3, and diode D1.One end of diode D1 anode tap and electric capacity C1 is coupled to the input end of input stage circuit 14.The other end ground connection of electric capacity C1, one end of diode D1 cathode terminal and resistance R1, R2, R3 couples.The other end ground connection of resistance R1, the other end of resistance R2 couples with one end of electric capacity C2 and pin position OP+Input respectively.The other end of resistance R3 couples with one end of electric capacity C3 and pin position OP-Input respectively.The other end ground connection of electric capacity C2, C3.Resistance R2 and R3 is in order to low-pass filtering.Electric capacity C1 is coupling capacitance, is used for adjusting frequency.After the electromagnetic signal responded to by antenna 12 processes via input stage circuit 14, enter from pin position OP+Input and pin position OP-Input the operational amplifier OP1 being positioned at microcontroller 11, electromagnetic signal exports from pin position OP Output after amplifying.In this embodiment, the antenna number of turns of the active contactless card learning device of Fig. 5 can be 8 ~ 9 circles.The antenna number of turns of the passive type contactless card learning device of Fig. 6 need be at least 60 circles or more, could at contactless card close to producing enough large electric current during antenna 12 for microcontroller 11 action.In addition, the contactless card learning device 10 of Fig. 5 and Fig. 6 embodiment can send low frequency and high-frequency signal in turn to read low frequency induction card reader and high-frequency induction card reader.
Fig. 7 is the schematic diagram that the contactless card learning device of one embodiment of the invention realizes with wrist-watch.Refer to Fig. 7.Described contactless card learning device 70 comprises table body 75 and watchband 76.In table body 75, be provided with microcontroller, coil 72 is arranged on table body 75, and table body 75 also can be provided with time showing district 751 and pilot lamp 752.Time showing district 751 can be liquid crystal display.Pilot lamp 752 can be LED.Table body 75 side is provided with button 753,754, is used for switching the pattern of contactless card learning device 70.
Fig. 8 is the use schematic diagram of the contactless card learning device of one embodiment of the invention.Refer to Fig. 8, the card number of multiple contactless card can be stored in contactless card learning device 70, can successively by permit identification 81, access card 82 or elevator card 83 near contactless card learning device 70, the button pressing contactless card learning device 70 starts to copy contactless card information pattern (mode of learning), waits pilot lamp 752 to light i.e. expression and copies complete.One or more groups the contactless card card number copied and data can leave FlashRom (the read-only programmable device of flash), EEPRom (the electrically erasable programmable read only memory in microcontroller in, band EEPROM (Electrically Erasable Programmable Read Only Memo)) or SRAM (static RAM), also can leave in and the external device of microcontroller electric property coupling or storer.The card number capacity of low frequency induction card approximately uses 5Bytes, and high-frequency induction card also can store information except storing except card number, the capacity that the card number of high-frequency induction card adds storage information is about 1k Bytes, button can be used to switch the card number storing separately high-frequency induction card or the card number storing high-frequency induction card adds information.
Fig. 9 is another use schematic diagram of the contactless card learning device of one embodiment of the invention.Refer to Fig. 9, the contactless card learning device 70 storing the information such as access card 82 card number can be used as access card 82 and uses, and when close contactless card read-write equipment 91, contactless card learning device 70 just can simulate the signal of access card 82.Wherein, contactless card read-write equipment 91 refers to pass the equipment such as card reader (example: the card reader equipment of general elevator or gate inhibition's control), mobile phone, panel computer of data mutually with contactless card.Contactless card learning device 70 can sequentially switch different contactless card card numbers a period of time (such as 50ms ~ 200ms).Also button 754 can be used to switch different contactless card card numbers.
The present invention mainly adds coil again with microcontroller and completes contactless card learning functionality.As long as select the microcontroller exploitation be applicable to, can accomplish only to make the product with contactless card learning functionality with an IC.Such as will make the wrist-watch as shown in Figure 7 with contactless card learning functionality, just choosing has the microcontroller development of control LCD Presentation Function; Make key-ring or finger ring, just can select the microcontroller development that volume is relatively little.
Existing contactless card reader comprises antenna, oscillator, antenna driver, detuner, wave filter, amplifier and data decoder.Antenna driver delivers to antenna signal after receiving the signal that oscillator sends.Near antenna, the voltage on antenna is changed when there being contactless card, just can make Analog-digital Converter, wave filter and amplifier and make further signal transacting according to being transferred to detuner, last signal just obtains contactless card card number and data after data decoder process.And the microcontroller of contactless card learning device of the present invention is with the output port output voltage of the frequency of rule to connecting coil, the contactless card close to coil can be made to charge, accomplish the function of the antenna driver of existing contactless card reader.And the analog-digital converter of microcontroller or counter or operational amplifier, the size of current of magnetic test coil or voltage levels change, can measure the load change of induction installation, accomplish the detuner of existing contactless card reader and the function of wave filter and amplifier.Carry out the analysis of load change with programs executed by microcontroller, carry out the work of data decoder, change into contactless card card number and data.Microcontroller can control the load of input/output port as change, the data that the card number passing contactless card mutually with wireless induction mode and contactless card read-write equipment maybe will be read and write, when fetch equipment requires write data, FlashRom, EEPRom or SRAM of write microcontroller.In addition, the present invention can select one or the several contactless card read in advance, when close to contactless card read-write equipment, to transmit mutually with contactless card read-write equipment with the card number of each contactless card and reading and writing data.
Based on above-mentioned, because contactless card learning device of the present invention and method of operating thereof can read and store card number and the data of at least one contactless card, therefore can by the card number of multiple contactless card and data integration in a device.And use microcontroller to realize, so light portative object can be reached because of contactless card learning device of the present invention.
Below sequentially to the reading of low frequency induction card, low frequency induction snap gauge plan, high-frequency induction card card number and digital independent, high-frequency induction snap gauge work done in the manner of a certain author detailed description.
First the method (mode of learning) of contactless card learning device reading low frequency induction card is described.Refer to Figure 10.Figure 10 is the oscillogram that the pin position I/O Port1 of the contactless card learning device 10 of Fig. 2 embodiment and pin position I/O Port2 do not connect coil 12.Waveform P1001 is the voltage of pin position I/O Port1.Wave mode P1002 is the voltage of pin position I/O Port2.Microcontroller 11 first exports square wave to carry wave frequency from pin position I/O Port1 and pin position I/O Port2, and square wave frequency is about 125kHz, and the cycle is about 8 μ s.
Next Figure 11 is referred to.Figure 11 is the oscillogram that the contactless card learning device 10 pin position I/OPort1 of Fig. 2 embodiment and pin position I/O Port2 connect coil 12.In the present embodiment, the ability that voltage is pulled down to electronegative potential by microcontroller 11 is greater than the ability that voltage is pulled to noble potential.Therefore when pin position I/O Port1 and pin position I/O Port2 wherein exports electronegative potential in a pin position, and when another pin position exports noble potential, the voltage of the pin position I/O Port1 or pin position I/O Port2 that export noble potential after blink can pulled down to electronegative potential.At the block b1101 that Figure 11 is fenced up by dotted line, namely when explanation is pulled down to electronegative potential as the voltage P1001 of pin position I/O Port1, then the voltage P1002 of pin position I/O Port2 also can be pulled down to electronegative potential by the voltage P1001 of pin position I/O Port1 affects from noble potential.
Figure 12 is the enlarged drawing of Figure 11 block b1101.Refer to Figure 12, the speed that the voltage P1002 of pin position I/O Port2 declines is relevant with the size of loaded impedance.Loaded impedance is relevant to the internal circuit of the contactless card be read by coil 12.The present invention, when the voltage P1001 of pin position I/O Port1 is pulled down to electronegative potential, starts Analog-digital Converter function.Dropped to the slope of electronegative potential in addition from noble potential by the voltage P1002 of I/O Port2, namely pressure drop a2 can judge loaded impedance size divided by the value of time a1, when pressure drop a2 is larger divided by the value of time a1, namely slope is larger, then represent loaded impedance larger.When Figure 13 represents that Fig. 2 embodiment does not read contactless card, the simulating signal of input is converted to the schematic diagram of the numerical value of digital signal by pin position ADC Input.When not reading contactless card, the digital signal value obtained is " 52 " or " 51 ", and amplitude of variation is very little.When Figure 14 represents that Fig. 2 embodiment reads contactless card, the simulating signal of input is converted to the schematic diagram of the numerical value of digital signal by pin position ADC Input.Block b1401 is header (header), its length is 9 bits (Bit) in this embodiment, and the numerical value of display is continuous 9 " 1 ", when obtaining header, transformat again according to low frequency induction card carries out data decode, converts the card number as shown in block b1402 to.
Next the method (general modfel) of contactless card learning device simulation low frequency induction card is described.Explain with the contactless card learning device of Fig. 2 embodiment.Pin position I/O Port1 and pin position I/O Port2 is set as input port, and enables I/O Port and wake microcontroller 11 function up.When close to contactless card card reader, I/O Port receives the carrier signal height change of contactless card card reader, and is waken up by microcontroller 11.Microcontroller 11 judges according to carrier frequency again.If during low frequency, according to transformat and sequential, setting pin position I/O Port1 and pin position I/O Port2 is input port or output port, then with the load of coil 12 formation and modification of link, send card number data to contactless card card reader.
Refer to Figure 15.Figure 15 can find out the digital signal value of simulating low frequency induction card from the voltage waveform P1002 of the voltage waveform P1001 of pin position I/O Port1 and pin position I/O Port2.Block b1501 is header.When the voltage P1001 of pin position I/O Port1 draws toward short arc from high amplitude, represent binary bit bit for " 1 ", when drawing toward high amplitude from short arc, represent binary bit bit for " 0 ".Block b1502 to b1505 represents the contactless card card number of transmission respectively, sexadesimal system " 0 ", " 1 ", " 0 ", " 6 ".The load sensed change can be interpreted to card number and data by card reader.When card number and data are continuously transferred for several times (about 3 ~ 5 times), namely contactless card card reader is approved and the card number data that microcontroller 11 spreads out of is completed the simulation of low frequency induction card.
Next the method (mode of learning) of contactless card learning device reading high-frequency induction card card number data is described.NFC Type-A contactless card is read for the circuit of Fig. 5, microcontroller 11 is first with the rate-adaptive pacemaker pulse-width modulation signal (13.56MHz of high frequency carrier, cycle is about 73.7ns), pin position I/O Port1 is set to floating (floating), and pin position I/O Port2 is set to noble potential.The oscillogram of pin position I/O Port2 when Figure 16 is non-wiring circle and pin position PWM Output Port.When Figure 17 is for connecting coil, the oscillogram of pin position I/O Port2 and pin position PWM Output Port.Waveform P1601 is the voltage of pin position I/O Port2.Wave mode P1602 is the voltage of pin position PWM Output Port.When the time point t1 of Figure 17, when the voltage P1602 of pin position PWM Output Port starts to change, the voltage P1601 of pin position I/O Port2 also can and then change.Figure 18 is that microcontroller is according to transformat, the output pulse width modulating signal On/Off of control pin position PWM Output Port sends oscillogram during REQA instruction, and this oscillogram is the voltage waveform P1601 of pin position I/O Port2 and the voltage waveforms P1602 of pin position PWM Output Port.Wherein REQA instruction is the instruction meeting ISO14443A specification.The function of REQA instruction is the requirement contactless card number of delivering letters.
Refer to shown in Figure 19 to Figure 26.Wherein waveform P1901 is the voltage of Fig. 5 pin position I/O Port1, waveform P1902 is the voltage of Fig. 5 pin position OP+Input (operational amplifier OP1 anode), waveform P1903 is the voltage of Fig. 5 pin position OP-Input (operational amplifier OP1 negative terminal), and waveform P1904 is the voltage of Fig. 5 pin position OP Output (operational amplifier OP1/ output terminal).Figure 19 and Figure 20 is the waveform that REQA instruction sent by microcontroller.Figure 21 is the oscillogram that SELECT instruction sent by microcontroller.The function of SELECT instruction is for requiring contactless card card feed number.As shown in figure 22, when microcontroller 11 sends REQA instruction (time point t1 to t2), if have NFC Type-A contactless card close to coil 12, contactless card can as shown in time point t3 to t4, respond ATQA Response (ATQA response), therefore can differentiate whether NFC Type-A high-frequency induction card exists, incidentally, ATQA responds and meets ISO14443 specification.When Figure 23 is contactless card response ATQA response, the oscillogram of amplification time axle.At the time point t1 to t2 of Figure 24, be represent that microcontroller 11 transmits SELECT instruction, and at time point t3 to t4, be then the waveform receiving contactless card passback card number (UID), wherein in fig. 24, contactless card passback card number length is 4 bit groups.Figure 25 is the oscillogram that contactless card passback ATQA responds.Figure 26 is the oscillogram of contactless card passback card number.Figure 27 is when representing contactless card passback UID card number, the record that the output of the pin position I/O Port3 coupled according to Fig. 6 circuit and amplifier out pin position OP Output is done, be the data that gap length that pin position I/O Port3 noble potential and electronegative potential convert stores in block b2701, being decoded by microcontroller 11 obtains the card number shown in block b2702.Then again according to the order in the specifications of NFC Type-A, read other data of contactless card, there is the storage space in order to analogue inductive card data in microcontroller 11, namely complete read action.
Come again to be described the method (general modfel) of contactless card learning device simulation high-frequency induction card.Explain with the contactless card learning device of Fig. 5 embodiment.Close pin position PWM Ouput Port, make it stop exporting output pulse width modulating signal.Pin position I/O Port1 and pin position I/O Port2 is set as input port, and enable the function (when contactless card learning device is close to contactless card read write line, coil 2 sends change in voltage and waken up by microcontroller because of electromagnetic induction) using pin position I/O Port1 or/and pin position I/O Port2 to wake microcontroller 11 up.When close to contactless card card reader, microcontroller 11 wakes up by the carrier signal height change that pin position I/O Port1 or/and pin position I/O Port2 receives card reader, according to carrier frequency, microcontroller 11 judges that contactless card card reader is high-frequency induction card card reader or low frequency induction card card reader again, if high-frequency induction card card reader, just wait for that contactless card card reader is responded after sending instruction.Refer to Figure 28 to Figure 32.Figure 28 is the oscillogram that microcontroller 11 receives the REQA instruction that contactless card card reader spreads out of.Waveform P2801 is the voltage of Fig. 5 pin position I/O Port2, waveform P2802 is the voltage of Fig. 5 pin position OP+Input (operational amplifier OP1 anode), waveform P2803 is the voltage of Fig. 5 pin position OP-Input (operational amplifier OP1 negative terminal), and waveform P2804 is the voltage of Fig. 5 pin position OP Output (operational amplifier OP1/ output terminal).Time point t1 to the t2 of Figure 29 is the instruction that microcontroller 11 receives contactless card card reader, after REQA instruction is confirmed as in microcontroller 11 deciphering, just according to transformat and sequential, switching pin position I/O Port1 and pin position I/O Port12 is input port or output port, again with the load of coil 12 formation and modification linked, as shown in time point t3 to the t4 of Figure 29, spread out of the waveform of ATQA reaction.Figure 30 is the waveform amplification figure of ATQA reaction, is the waveform amplification figure of Figure 29 in time point t3 to t4.Figure 31 is that microcontroller receives the SELECT instruction of card reader and spreads out of the oscillogram of the UID card number be stored in contactless card learning device.Time point t1 to the t2 of Figure 31 represents that microcontroller 11 receives the SELECT instruction of card reader, time point t3 to the t4 of Figure 31, is to represent that microcontroller 11 spreads out of the oscillogram of the UID card number be stored in contactless card learning device.Figure 32 is the waveform amplification figure that in Figure 31, microcontroller spreads out of UID card number.Figure 32 represents that Figure 31 is in time point t3 to t4, and microcontroller spreads out of the waveform amplification figure of UID card number.Then again according to the specifications of NFC Type-A, when receiving card reader order, transmission and read-write microcontroller are in order to the storer of analogue inductive card data, complete the simulation of high-frequency induction card.
In sum, because contactless card learning device of the present invention and method of operating thereof can read and store card number and the data of at least one contactless card, therefore can by the card number of multiple contactless card and data integration in a device.And use microcontroller to realize, so light portative object can be reached because of contactless card learning device of the present invention.And the present invention has the carrier signal receiving card reader according to pin position I/O Port1 or/and pin position I/O Port2 just changes the awakening mode waken up by microcontroller 11, therefore the effect of saving electric energy can be reached.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (16)
1. a contactless card learning device, is characterized in that, for reading card number and the data of a low frequency induction card, described contactless card learning device comprises:
One microcontroller;
One coil, couples this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein
Chip is not read containing a contactless card in described contactless card learning device.
2. a contactless card learning device, is characterized in that, for simulating a low frequency induction card, and send out card number and data, described contactless card learning device comprises:
One microcontroller;
One coil, couples this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein
Not containing a contactless card induction chip in described contactless card learning device.
3. a contactless card learning device, is characterized in that, for reading card number and the data of a high-frequency induction card, described contactless card learning device comprises:
One microcontroller;
One coil, couples this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein
Chip is not read containing a contactless card in described contactless card learning device.
4. a contactless card learning device, is characterized in that, for simulating a high-frequency induction card, and send out card number and data, described contactless card learning device comprises:
One microcontroller;
One coil, couples this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein
Not containing a contactless card induction chip in described contactless card learning device.
5. a contactless card learning device, is characterized in that, in order to read card number and the data of a low frequency induction card and to transmit mutually or receive card number and data with a high-frequency induction card, described contactless card learning device comprises:
One chip;
One coil, couples this chip, in order to respond to an electromagnetic signal and to form an electromagnetic load.
6. a contactless card learning device, it is characterized in that, in order to simulate a low frequency induction card, and send out card number and data and simulate a high-frequency induction card, and transmit mutually or receive card number and data with a high-frequency induction read-write equipment, described contactless card learning device comprises:
One chip;
One coil, is coupled to this chip, in order to respond to an electromagnetic signal and to form an electromagnetic load.
7. contactless card learning device according to claim 6, it is characterized in that, when close to a low frequency induction fetch equipment or a high-frequency induction read-write equipment, automatically judge according to the carrier frequency height received, close to the card number and the data that spread out of this low frequency induction card during this low frequency induction fetch equipment, close to during high-frequency induction read-write equipment and this high-frequency induction read-write equipment transmit mutually or receive card number and the data of this high-frequency induction card.
8. contactless card learning device according to claim 6, it is characterized in that, during with this contactless card learning device close to a contactless card fetch equipment, automatically judge according to the carrier frequency height received, when this contactless card fetch equipment is low frequency induction fetch equipment, switch different card numbers at set intervals and data pass to this low frequency induction fetch equipment, when this contactless card fetch equipment is high-frequency induction read-write equipment, transmit mutually or receive card number and data with different card numbers and data and this high-frequency induction read-write equipment at set intervals.
9. a contactless card learning device, is characterized in that, comprising:
One microcontroller;
One coil, is coupled to this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load, wherein
During with this contactless card learning device close to a low frequency fetch equipment of external device (ED) or a high frequency read-write equipment, because receiving the carrier signal height change of this low frequency fetch equipment or this high frequency read-write equipment, this microcontroller is waken up.
10. a contactless card learning device, is characterized in that, comprising:
One microcontroller; And
One coil, couples this microcontroller, and receive one first signal, this first signal comprises a contactless card card number;
Wherein, this microcontroller receives this first signal by this coil, and stores contactless card card number;
When this microcontroller receives a read requests, then this microcontroller transmits this contactless card card number by this coil.
The method of operating of 11. 1 kinds of contactless card learning devices, is characterized in that, comprising:
Configure a microcontroller and a coil, this microcontroller receives the first signal by this coil, and this first signal includes a contactless card card number, and this microcontroller stores this contactless card card number; And
When this microcontroller receives a read requests, then this microcontroller transmits this contactless card card number by this coil.
12. 1 kinds of contactless card learning devices, is characterized in that, are applicable to simulation one low frequency induction card, and send out card number and data, and simulation one high-frequency induction card, and transmit mutually or receive card number and data with a high-frequency induction read-write equipment, described contactless card learning device comprises:
One microcontroller;
One coil, is coupled to this microcontroller, in order to respond to an electromagnetic signal and to form an electromagnetic load.
13. contactless card learning devices according to claim 12, is characterized in that, this microcontroller is eight bit microcontrollers or four bit microcontrollers.
14. contactless card learning devices according to claim 12, is characterized in that, this coil is an inductor.
15. 1 kinds of contactless card learning devices, it is characterized in that, in order to read card number and the data of a low frequency induction card, and transmit mutually or receive card number and data with a high-frequency induction card, described contactless card learning device is encapsulated in one chip, wherein this one chip comprises microprocessor and a sensing element, and wherein this sensing element is coil, antenna or board circuit cabling form one of them.
16. 1 kinds of contactless card learning devices, it is characterized in that, in order to simulate a low frequency induction card, and send out card number and data, and simulation one high-frequency induction card, and transmitting mutually or receive card number and data with a high-frequency induction read-write equipment, described contactless card learning device is encapsulated in one chip, wherein this one chip comprises microprocessor and a sensing element, and wherein this sensing element is coil, antenna or board circuit cabling form one of them.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
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| TW102123122 | 2013-06-28 | ||
| TW102123122 | 2013-06-28 | ||
| TW103103586 | 2014-01-29 | ||
| TW103103586A TWI596546B (en) | 2013-06-28 | 2014-01-29 | Rfid card learning apparatus, wearable produc and operating method thereof |
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| CN104252635A true CN104252635A (en) | 2014-12-31 |
| CN104252635B CN104252635B (en) | 2018-06-12 |
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| CN201410265373.1A Active CN104252635B (en) | 2013-06-28 | 2014-06-13 | Induction card learning device and operation method thereof |
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| JP (1) | JP6271001B2 (en) |
| KR (1) | KR101753233B1 (en) |
| CN (1) | CN104252635B (en) |
| CA (1) | CA2917016C (en) |
| HK (1) | HK1205584A1 (en) |
| MY (1) | MY185825A (en) |
| PH (1) | PH12015502856B1 (en) |
| SG (1) | SG11201510592UA (en) |
| TW (1) | TWI596546B (en) |
| WO (1) | WO2014210183A2 (en) |
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| CN109845116A (en) * | 2016-10-24 | 2019-06-04 | 日本精机株式会社 | Portable communication appts |
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| US10038338B2 (en) | 2011-02-01 | 2018-07-31 | Fu Da Tong Technology Co., Ltd. | Signal modulation method and signal rectification and modulation device |
| US10951063B2 (en) | 2011-02-01 | 2021-03-16 | Fu Da Tong Technology Co., Ltd. | Supplying-end module of induction type power supply system and signal detection method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2016527781A (en) | 2016-09-08 |
| TW201501038A (en) | 2015-01-01 |
| KR20160022894A (en) | 2016-03-02 |
| WO2014210183A3 (en) | 2015-03-12 |
| PH12015502856A1 (en) | 2016-03-28 |
| CN104252635B (en) | 2018-06-12 |
| CA2917016A1 (en) | 2014-12-31 |
| PH12015502856B1 (en) | 2016-03-28 |
| KR101753233B1 (en) | 2017-07-04 |
| CA2917016C (en) | 2019-08-27 |
| JP6271001B2 (en) | 2018-01-31 |
| SG11201510592UA (en) | 2016-01-28 |
| WO2014210183A2 (en) | 2014-12-31 |
| HK1205584A1 (en) | 2015-12-18 |
| MY185825A (en) | 2021-06-11 |
| TWI596546B (en) | 2017-08-21 |
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