WO2005116787A1 - Power and wireless communication unit for process field devices - Google Patents
Power and wireless communication unit for process field devices Download PDFInfo
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- WO2005116787A1 WO2005116787A1 PCT/US2005/015848 US2005015848W WO2005116787A1 WO 2005116787 A1 WO2005116787 A1 WO 2005116787A1 US 2005015848 W US2005015848 W US 2005015848W WO 2005116787 A1 WO2005116787 A1 WO 2005116787A1
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- WIPO (PCT)
- Prior art keywords
- communication unit
- wireless power
- field device
- power
- wireless
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23316—Standby, inactive, sleep or active, operation mode
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25289—Energy saving, brown out, standby, sleep, powerdown modus for microcomputer
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/33—Director till display
- G05B2219/33192—Radio link, wireless
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to industrial process control or monitoring systems. More specifically, the present invention relates to a system that adds wireless capability to field devices in such systems .
- control systems are ' used to monitor and control inventories of industrial and chemical processes, and the like.
- the control system performs these functions using field devices distributed at key locations in the industrial process and coupled to the control circuitry in the control room by a process control loop.
- field device refers to any device that performs a function in a distributed control or process monitoring system, including all devices used in the measurement, control and monitoring of industrial processes. Some field devices include a transducer.
- a transducer is understood to mean either a device that generates an output signal based on a physical input or that generates a physical output based on an input signal.
- a transducer transforms an input into an output having a different form.
- Types of transducers include various analytical equipment, pressure sensors, thermistors, thermocouples, strain gauges, flow transmitters, positioners, actuators, solenoids, indicator lights, and Others .
- each field device also includes communication circuitry that is used for communicating with a process control room, or other circuitry, over a process control loop. In some installations, the process control loop is also used to deliver a regulated current and/or voltage to the field device for powering the field device.
- the process control loop also carries data, either in an analog or digital format .
- analog field devices have been connected to the control room by two-wire process control current loops, with each device connected to' the control room by a single two-wire control loop.
- a voltage differential is maintained between the two wires within a range of voltages from 12-45 volts for analog mode and 9-50 volts for digital mode.
- Some ' analog field devices transmit a signal to the control room by modulating the current running through . the current loop to a current proportional to the sensed process variable.
- Other analog field devices can perform an action under the control of the control room by controlling the magnitude of the current through the loop .
- the process control loop can carry digital signals ' used for communication with field devices.
- Digital communication allows a much larger degree of communication than analog communication.
- Field devices that communicate digitally can respond to and communicate selectively with the control room and/or other field devices. Further, such devices can provide additional signaling such as diagnostics and/or alarms .
- wireless technologies have begun to be used to communicate with field devices. Wireless operation simplifies field device wiring and setup. Wireless installations are currently used in which the field device is manufactured to include an internal battery, potentially charged by a solar cell, or other technique to obtain power without any .sort of wired connection.
- a wireless power ' nd communication unit for field devices is configured to connect to a field device and provide operating power and wired, preferably digital, communication between the unit and the field device.
- RF circuitry configured to provide radio frequency communication.
- power supply circuitry in the unit includes one or more solar power cells that convert solar energy into electricity to power both the unit and the field device.
- the wireless power and communication unit powers the field device and interacts with the field device in accordance with a standard industry communication protocol.
- the unit communicates wirelessly with an external device, such as a control room, based upon the interaction with the field device.
- Figure 1 is a diagrammatic view of an exemplary field device with which the wireless power and communication unit in accordance with the present invention is particularly useful.
- Figure 2 is a block diagram of the field device shown in Figure 1.
- Figure 3 is a block diagram of a field device including wireless communication circuitry for communicating with a remote device such as a display or hand held unit .
- Figure 4 is a front elevation view of. a wireless power and communication unit in accordance with embodiments of the present invention mounted to a field device.
- Figure 5 is a front elevation view of a wireless power and communication unit in accordance with another embodiment of the present invention.
- Figures 6 and 7 are diagrammatic views of a wireless power and communication unit operating with a plurality of field devices in accordance with embodiments of the present invention.
- Figure 8 is a block diagram of a wireless power and communication unit in accordance with embodiments of the present invention.
- Figure 9 is a rear elevation view of a wireless power and communication unit in accordance with an embodiment of the present invention.
- the present invention includes a wireless power and communication unit for allowing field devices that are designed for wired communication to operate wirelessly. While some devices are currently being developed which add wireless communication to wired devices, such developments do not function to untether legacy wired type field devices from their control loops since they still are wired to and receive power from their control loops .
- Figures, 1 and 2 are diagrammatic and block diagram views of an exemplary field device with which a wireless power and communication unit in accordance with the present invention is particularly useful.
- Process control or monitoring system 10 includes a control room or control system 12 that couples to one or more field devices 14 over a two-wire process control' loop 16.
- process control loop 16 examples include analog 4-20 mA communication, hybrid protocols which include both analog and digital communication such as the Highway Addressable Remote Transducer (HART®) standard, as well as all-digital protocols .such as the FOUNDATIONTM Fieldbus standard.
- HART® Highway Addressable Remote Transducer
- process control loop protocols can both power the field device and allow communication between the field device and other devices.
- field device 14 includes circuitry 18 coupled to actuator/transducer 20 and to process control loop 16 via terminal board 21 in housing 23.
- Field device 14 is illustrated as a process variable (PV) generator in that it couples to a process and senses an aspect, such as temperature, pressure, pH, flow, et cetera of the process and provides and indication thereof .
- Other examples of field devices include valves, actuators, controllers, and displays.
- Field devices are characterized by their ability to operate in the "field” which may expose them to environmental stresses, such as temperature, humidity and pressure. In addition to environmental ' stresses, field devices must often withstand exposure to corrosive, hazardous and/or even explosive atmospheres. Further, such devices, must also operate in the presence of vibration and/or electromagnetic interference. Field devices of the sort illustrated in Figure 1 represent a relatively large installed base of legacy devices, which are designed to operate in an entirely wired manner.
- Figure 3 is a block diagram of a wireless field .device in accordance with the prior art .
- Field device 34 includes internal power supply module 38, controller 35, wireless communication module 32, and actuator/transducer 20.
- Power supply module 38 typically includes a battery that powers field device 34 for a period of time, until the battery needs to be replaced.
- Some field devices include a built-ih solar cell.
- the power from supply 38 energizes controller 35 to interact with actuator/transducer 20 and wireless communications module 32.
- Wireless communications module 32 interacts with other devices as indicated by reference numeral 24 via antenna 26.
- One drawback with, providing the wireless capability of device 34 internally, is that if a battery, solar cell, or, wireless communications module should be damaged, the entire field device must be repaired or replaced.
- Another disadvantage of using an internal battery is that some users of wireless devices require much more energy than other users. For example, if the field device is activated once per minute, versus once per hour, the energy consumption is greatly increased.
- FIG. 4 is a front elevation view of a wireless power and communication unit 100 attached to a field device 14, shown in phantom.
- Unit 100 preferably attaches to device 14 via a standard field device conduit 102. Examples of suitable conduit connections include 1/2-14 NPT, M20xl.5, Gl/2, and 3/8-18 NPT.
- Unit 100 may include a joint allowing rotation 104 about axis 106 and rotation 108 about axis 110.
- attachment region 112 of unit 100 is preferably hollow in order to allow conductors therein to couple unit 100 to device 14.
- attachment region 112 could simply be a piece of conduit.
- - Unit 100 includes housing 114 that is mounted upon attachment region 112. Housing 114 contains circuitry (described with respect to Figure 8) to allow unit 100 to power and communicate with device 14 in accordance with a standard industry protocol such as 4-20 mA, HART®, FOUNDATIONTM Fieldbus, Profibus-PA, Modbus, or CAN. Preferably, the protocol accommodates digital communication in order to enhance the level of interaction between unit 100 and device 14.
- Figure 4 also illustrates one or more photovoltaic cells 116 mounted proximate a top surface 118 of housing 114. In one embodiment, the photovoltaic cells (s) 116 form part of a sealed lid for the housing 114.
- a clear cover preferably extends over cell(s) 116 to protect them from exposure.
- Cells 116 are preferably inclined at an angle of about 30 degrees and transform light falling thereon into electrical energy in order to power unit 100 and device 14. Since unit 100 is external to device 14, multiple variations of unit 100 can be provided with varying photovoltaic cell configurations and/or sizes depending upon the specific power requirements of the field device to which the unit will be attached.
- Unit 100 also preferably includes wireless communication circuitry (not shown in Figure 4) which is coupled to antenna 120. Providing external antenna 120 facilitates wireless communication in comparison to internal antennas since many field-hardened enclosures are metal and would likely attenuate the wireless signal .
- unit 100 includes a local user interface. Accordingly unit 100 may include a display, such as an LCD display 122 that may be mounted proximate one of cells 116. In order to receive local user input, unit 100 can include one or more local inputs such as button 124.
- a local user interface is important because when the combined unit/field device system is operating totally wirelessly, it is more convenient for a technician to interact with the local user interface rather than wirelessly trying to access the device via a handheld computing device or the like .
- the 'local interface can be used to access the unit, the field device, or both.
- local user interface means having either local user input (s) (such as a button), local user output (s) (such as an LCD) , or a combination of the two. As illustrated in Figure 4, the LCD can be co-located with cell(s) 116.
- Figure 5 is a front elevation view of a wireless power and communication unit in accordance with another embodiment of the present invention.
- Wireless power and communication unit 200 bears many similarities to wireless power and communication unit 100 and like components are numbered similarly.
- the primary difference between wireless power and communication unit 200 and wireless power and communication unit 100 is the configuration of the local user interface display.
- unit 200 does not include a display proximate or co-located within the photovoltaic cell(s) 116.
- display 202 is integrated into attachment region 112.
- display 202 is independently rotatable about axis 106 by approximately 270°.
- Providing a user interface display proximate ' attachment region 112 increases the modularity of unit 200. Specifically, housings 114 and all components therein can be manufactured similarly to achieve economies of scale.
- the power system which includes the solar cell and antenna can be remotely mounted by utilizing an adapter fitted with a cable gland that connects to the top 206 of LCD display 202.
- An adapter base is then used for mounting the housing 114 and bringing the interconnecting cable via a cable gland. This allows positioning housing 114 in an optimal performance location while keeping a local user interface proximate each field device.
- FIG. 6 is a diagrammatic view of a wireless power and communication unit 300 in accordance with an embodiment of the present- invention.
- Wireless power and communication unit 300 is adapted for mounting remote from one or more field devices 14.
- Unit 300 includes suitable power generation and storage capabilities to power field devices 14 simultaneously, sequentially, or asynchronously.
- each field device 14 is coupled individually to unit 300 by an attachment region 112 illustrated diagrammatically in Figure 6.
- attachment region 112 preferably includes a local user interface, such as button 124 and/or display 202. Since each field device 14 is individually coupled to unit 300, analog or digital communication with individual field devices 14 can be effected.
- FIG. 7 is a diagrammatic view of unit 350 in accordance with another embodiment of the present invention.
- Unit 350 is illustrated with a single connection 352 to a plurality of field devices 14.
- the configuration illustrated in Figure 7 has the ability to drastically reduce interconnection wiring and efforts for coupling field devices 14 to unit 350.
- unit 350 preferably employs digital communication utilizing either a hybrid-type protocol or an all-digital industry standard protocol. Further, such a protocol is used to power all of field devices 14, simultaneously, sequentially, or asynchronously as desired.
- FIG 7 also illustrates each of field devices 14 coupling to the network utilizing an attachment region 112 illustrated diagrammatically.
- each of field devices 14 may still have a local user interface comprising a local user input and/or a local user output such as an LCD display.
- Figure 8 is a block diagram of a wireless power and communication unit in accordance with embodiments of the present invention.
- Unit 360 includes controller 362, power storage device 364 (illustrated as a battery), energy converter 365, loop communicator 368, and wireless communication interface module 366.
- Controller 362 preferably includes a low- power microprocessor and appropriate charging circuitry to convey suitable amounts of energy from cell(s) 116 and/or storage device 364 to power unit 360 and any field devices coupled to attachment region 112.
- controller 362 also directs excess energy from cell(s) 116 to storage device 364. Controller 362 can also be coupled to optional temperature measurement circuitry such that controller 362 can reduce charging current to storage device 364 if device 364 begins to overheat.
- the temperature measuring circuit may contain a suitable temperature-sensing element, such as a thermocouple coupled to storage device 364. An analog-to-digital converter could convert the signal from the thermocouple to a digital representation thereof, and provide the digital signal to controller 362.
- Controller 362 can be configured, through hardware, software, or both to actively manage power for itself and attached field devices. In this regard, controller 362 can cause itself or any desired field devices to enter a low-power sleep mode. Sleep mode is any operating mode where power consumption is reduced.
- sleep mode could result from commanding the field device to set its operating current at its lowest allowable current rail.
- Events which may precipitate entering low-power mode could include: the expiration of an activity period, an input from one or more of the local user inputs, communication from one or more attached field devices, or wireless communication. Such events could also be used to cause unit 360 and/or any attached .field devices to awaken from sleep mode.
- controller 362 can selectively cause any ' attached field device to enter sleep- mode based upon any logic or rules contained in programming instructions within controller 362 and/or wireless communication received via wireless .communication module 366.
- local inputs, such as button 124 are user configurable .
- the configurable local input button uses a jumper or switch to preset the following functions: Button Depress Time to Activate - select either 1, 1.5, 2 or 3 seconds. Field device ignores button presses having durations shorter than the preset . Unit On Time - select either 10, 15, 30 seconds, or 5, 15, 30, 60 minutes. If the button is pressed twice in close succession, the field device stays on for a preset period (for example 60 minutes) after which it returns to sleep mode.
- Controller 362 can also preferably cause portions of circuitry within unit 360 or attached field devices to enter sleep mode.
- wireless communication module 366 may be a commercially available General Packet Radio Service (GPRS) cell phone module, that has both a normal operating mode and a sleep mode. A signal from controller 362 could cause module 366 to enter sleep mode when significant wireless communication is not warranted.
- Energy converter 365 can be any device that is able to convert potential energy in the environment proximate unit 360 into electrical energy. In the. preferred embodiments, converter 365 is simply one or more photo-voltaic cells 116.
- converter 365 can be any device, known or later developed, that can translate potential energy near unit 360 into electricity.
- converter 365 can include a generator coupled to a movable member such that environmental motion, such as waves or wind generate electricity.
- converter 365 can employ thermopile devices to generate electricity from disparate temperatures using the Peltier Effect. Further still, the process may provide a source of energy in the form of compressed gas or the like, that could be transformed into electricity.
- the power storage device has a relatively large capacity in comparison to the energy needs- of the application, converter 365 may be omitted.
- Wireless communication module 366 is coupled to controller 362 and interacts with external wireless devices via antenna 120 based upon commands and/or data from controller 362. Depending upon the application, wireless communication module 366 may be adapted to communicate in accordance with any suitable wireless communication protocol including, but not limited to: wireless networking technologies
- GSM Global System for Mobile Communications
- GPRS General Packet Radio Service
- CDMA Code Division Multiple Access
- SMS Short Messaging Service/text messaging
- known data collision technology can be employed such that multiple units can coexist within wireless operating rage of one another. Such collision prevention can -include using a number of different radio-frequency channels and/or spread spectrum techniques .
- Wireless communication module 366 can also include transducers for a plurality- of wireless communication methods.
- primary wireless communication could be performed using relatively long distance communication methods, such as GSM or GPRS, while a secondary, or additional communication method could be provided for technicians, or operators near the unit, using for example, IEEE 802.11b or Bluetooth.
- Some wireless communications modules may include circuitry that can interact with the Global Positioning System (GPS) . GPS can be advantageously employed in unit 360 for mobile devices to allow finding the individual unit 360 in a remote location. However, location sensing based upon other techniques can be used as well.
- Memory 370 is illustrated in Figure 8 as being separate from controller 362, but may, in fact, be part of controller 362.
- Memory 370 can be any suitable type of memory including volatile memory (such as Random Access Memory) , non-volatile memory (such as flash memory, EEPROM memory, etc.) and any combination thereof.
- Memory 370 may contain program instructions for controller 362 as well as any suitable administrative overhead data for unit 360.
- Memory 370 may contain a unique identifier for unit 360, such that unit 360 can distinguish wireless communications meant for it among other wireless communications. Examples of such an identifier could include, a Media Access Controller (MAC) address, Electronic Serial Number, global phone number, Internet Protocol (IP) , or any other suitable identifier.
- MAC Media Access Controller
- IP Internet Protocol
- memory 370 may include information about attached field devices, such as their unique identifiers, configurations, and abilities.
- controller 362 using memory 370 can cause the output of unit ' 360 to be provided in any suitable form.
- configuration and interaction with unit 360 and/or one or more associated field devices could be provided as HyperText Markup Language (HTML) web pages.
- Clock 372 is illustrated as being coupled to controller 362, but may also be part of controller 362.
- Clock 372 allows controller 362 to provide enhanced operation.
- clock 372 can be used to time the periods set forth above with respect to configurable button 125.
- controller 362 can store information from one or more attached field devices, and correlate the information with time in order to recognize trends. Further still, controller 362 can supplement information received from one or more field devices with time information before transmitting it via wireless communication module 366.
- clock 372 can be used to automatically generate periodic sleep/awaken commands for unit 360 and/or field devices. Another form of periodic use for clock 372 is to cause controller 362 to issue, via module 366, a heartbeat type signal to periodically indicate an acceptable status to an external wireless device.
- Loop communicator 368 is coupled to controller 362 and interfaces controller 362 to one or more field devices coupled to one or more attachment regions 112. Loop communicator 368 is known circuitry that generates appropriate signals in order to communicate in accordance with an industry protocol, such as those set forth above. In embodiments where unit 360 is coupled to a plurality of field devices that communicate in accordance with different protocols, it is conceivable that multiple loop communicators could be used to allow controller 362 to interact with the various field devices.
- unit 360 may include two or more terminals proximate loop communicator 368 or attachment region 112 in order to facilitate the coupling of a handheld configuration device, such as the Model 375 Handheld device available from Rosemount, Inc. of Eden Prairie, Minnesota.
- Figure 8 also illustrates optional operator button "" block 374 and LCD display block 376 in phantom being coupled to controller 362.
- FIG. 9 is a rear elevation view of a wireless power and communication unit in accordance with an embodiment of the present invention.
- Wireless unit 400 is coupled to field device 14 as in previous embodiments.
- wireless communication module 366 and/or antenna 120 can be located within field device 14 instead of within housing 114 of unit 400.
- Wireless communication module 366 and/or antenna 120 can be added to field device 14 as a feature board. Further, wireless communication module 366 could be an integral part of field device 14. Thus, in some embodiments, module 366 may be coupled to a controller within unit 400 via attachment region 112. In other embodiments, module 366 may be integral with the field device, and in such embodiments, unit 400 could simply provide operating power.
- wireless power and communication units in accordance with embodiments of the present invention can add significant capabilities to process monitoring and control. While the wireless output of the wireless power and communication units may be simply indications of process variable, they may also contain much more information. For example, the wireless output could also include diagnostic and/or maintenance information.
- the wireless power and communication • unit could also provide alarms wirelessly if one or more of the field devices, or even the unit itself, generates a fault.
- the unit may direct the wireless, alarm to the same entity ' as it normally sends wireless information to (such as a control room) , or it may send to an alternate entity, such as a technician's pager.
- the wireless output may be indicative of a combination of process variable, or a higher level output.
- the multiple field devices include PV generators, and one or more actuators that can effect a change in the process variable
- the units themselves may actually provide local closed-loop process control autonomously without control room interaction, but still subject to wireless communication.
Abstract
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Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MXPA06013488A MXPA06013488A (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices. |
CA2563337A CA2563337C (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices |
DE602005027682T DE602005027682D1 (en) | 2004-05-21 | 2005-05-05 | UNIT FOR POWER SUPPLY AND WIRELESS COMMUNICATION OF A FIELD DEVICE |
EP05746241A EP1749250B1 (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices |
AU2005248759A AU2005248759A1 (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices |
JP2007527282A JP4651670B2 (en) | 2004-05-21 | 2005-05-05 | Wireless power supply and communication unit |
CN2005800142124A CN1950770B (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices |
AT05746241T ATE507517T1 (en) | 2004-05-21 | 2005-05-05 | UNIT FOR POWER SUPPLY AND WIRELESS COMMUNICATION OF A FIELD DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/850,828 US8538560B2 (en) | 2004-04-29 | 2004-05-21 | Wireless power and communication unit for process field devices |
US10/850,828 | 2004-05-21 |
Publications (1)
Publication Number | Publication Date |
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WO2005116787A1 true WO2005116787A1 (en) | 2005-12-08 |
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ID=34969063
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/015848 WO2005116787A1 (en) | 2004-05-21 | 2005-05-05 | Power and wireless communication unit for process field devices |
Country Status (11)
Country | Link |
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US (1) | US8538560B2 (en) |
EP (1) | EP1749250B1 (en) |
JP (1) | JP4651670B2 (en) |
CN (1) | CN1950770B (en) |
AT (1) | ATE507517T1 (en) |
AU (1) | AU2005248759A1 (en) |
CA (1) | CA2563337C (en) |
DE (1) | DE602005027682D1 (en) |
MX (1) | MXPA06013488A (en) |
RU (2) | RU2006145434A (en) |
WO (1) | WO2005116787A1 (en) |
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Also Published As
Publication number | Publication date |
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MXPA06013488A (en) | 2007-01-23 |
ATE507517T1 (en) | 2011-05-15 |
RU2534016C2 (en) | 2014-11-27 |
CA2563337C (en) | 2016-06-21 |
CN1950770B (en) | 2011-10-19 |
JP4651670B2 (en) | 2011-03-16 |
RU2006145434A (en) | 2008-06-27 |
US20050245291A1 (en) | 2005-11-03 |
US8538560B2 (en) | 2013-09-17 |
EP1749250B1 (en) | 2011-04-27 |
CN1950770A (en) | 2007-04-18 |
EP1749250A1 (en) | 2007-02-07 |
JP2008500659A (en) | 2008-01-10 |
CA2563337A1 (en) | 2005-12-08 |
RU2009139488A (en) | 2011-05-10 |
DE602005027682D1 (en) | 2011-06-09 |
AU2005248759A1 (en) | 2005-12-08 |
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