DE3378946D1 - Synchronous data transmission system - Google Patents

Synchronous data transmission system

Info

Publication number: DE3378946D1
Authority: DE; Germany
Prior art keywords: data transmission; transmission system; synchronous data; synchronous; transmission
Prior art date: 1982-11-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

DE8383111482T

Other languages

English (en)

Inventor

Michel Levy

Serge Surie

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Alcatel CIT SA

Original Assignee

Alcatel CIT SA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1982-11-23

Filing date

1983-11-17

Publication date

1989-02-16

1983-11-17 Application filed by Alcatel CIT SA filed Critical Alcatel CIT SA

1989-02-16 Application granted granted Critical

1989-02-16 Publication of DE3378946D1 publication Critical patent/DE3378946D1/de

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes

DE8383111482T 1982-11-23 1983-11-17 Synchronous data transmission system Expired DE3378946D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8219562A FR2536610A1 (fr)	1982-11-23	1982-11-23	Equipement de transmission synchrone de donnees

Publications (1)

Publication Number	Publication Date
DE3378946D1 true DE3378946D1 (en)	1989-02-16

Family

ID=9279419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8383111482T Expired DE3378946D1 (en)	1982-11-23	1983-11-17	Synchronous data transmission system

Country Status (6)

Country	Link
US (1)	US4584693A (de)
EP (1)	EP0109658B1 (de)
CA (1)	CA1191561A (de)
DE (1)	DE3378946D1 (de)
FR (1)	FR2536610A1 (de)
IE (1)	IE55041B1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4726038A (en) *	1985-01-22	1988-02-16	Fumio Ikegami	Digital communication system
US4675863A (en)	1985-03-20	1987-06-23	International Mobile Machines Corp.	Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
JP2820511B2 (ja) *	1990-07-18	1998-11-05	富士通株式会社	コヒーレント光通信用偏波ダイバーシティ受信装置
GB2269284B (en) *	1991-12-13	1995-08-09	Motorola Inc	Apparatus and method for direct phase digitizing
US5732108A (en) *	1993-03-04	1998-03-24	Nokia Mobile Phones Ltd.	Method and apparatus for producing a difference signal between two signal frequencies, and for detection of modulation
US5546383A (en)	1993-09-30	1996-08-13	Cooley; David M.	Modularly clustered radiotelephone system
US5539784A (en) *	1994-09-30	1996-07-23	At&T Corp.	Refined timing recovery circuit
KR0137529B1 (ko) *	1995-03-20	1998-07-01	김주용	4상 위상 변조기
US7254203B2 (en) *	2002-10-08	2007-08-07	Credence Systems Corporation	Method and apparatus for use of high sampling frequency A/D converters for low frequency sampling

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3437932A (en) *	1964-01-13	1969-04-08	Collins Radio Co	Fsk receiver wherein one binary signal is represented by a half cycle of a given frequency and the other binary signal is represented by a full cycle of twice that frequency
US3419804A (en) *	1965-05-12	1968-12-31	Ibm	Data transmission apparatus for generating a redundant information signal consisting of successive pulses followed by successive inverse pulses
SE332201B (de) *	1969-07-02	1971-02-01	Ericsson Telefon Ab L M
US3619503A (en) *	1969-11-18	1971-11-09	Int Communications Corp	Phase and amplitude modulated modem
SE349438B (de) *	1971-01-26	1972-09-25	Ericsson Telefon Ab L M
US3916324A (en) *	1971-07-01	1975-10-28	Sanders Associates Inc	Method and apparatus for producing a baud timing signal from a modulated carrier signal
US3745250A (en) *	1971-10-19	1973-07-10	C Gerst	Method and apparatus for binary data
US3816657A (en) *	1972-10-12	1974-06-11	Nasa	Differential phase-shift-keyed communication system
JPS5325729B2 (de) *	1973-09-27	1978-07-28
US3924186A (en) *	1974-02-07	1975-12-02	Ncr Co	Staggered quadriphase differential encoder and decoder
US3938052A (en) *	1974-05-09	1976-02-10	Teletype Corporation	Digital demodulator for phase-modulated waveforms
DE2742770A1 (de) *	1977-09-22	1979-04-05	Siemens Ag	Nachrichtenuebertragungssystem fuer digitale signale hoeherer hierarchiestufe
NL7902341A (nl) *	1979-03-26	1980-09-30	Philips Nv	Werkwijze voor het demoduleren van de quadphase geco- deerd datasignaal en ontvanger voor het uitvoeren van de werkwijze.

1982
- 1982-11-23 FR FR8219562A patent/FR2536610A1/fr active Granted
1983
- 1983-11-17 EP EP83111482A patent/EP0109658B1/de not_active Expired
- 1983-11-17 DE DE8383111482T patent/DE3378946D1/de not_active Expired
- 1983-11-22 CA CA000441694A patent/CA1191561A/fr not_active Expired
- 1983-11-22 IE IE2729/83A patent/IE55041B1/en not_active IP Right Cessation
- 1983-11-23 US US06/554,668 patent/US4584693A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0109658A1 (de)	1984-05-30
FR2536610B1 (de)	1985-03-01
IE832729L (en)	1984-05-23
CA1191561A (fr)	1985-08-06
IE55041B1 (en)	1990-05-09
EP0109658B1 (de)	1989-01-11
US4584693A (en)	1986-04-22
FR2536610A1 (fr)	1984-05-25

Legal Events

Date	Code	Title	Description
1990-02-01	8364	No opposition during term of opposition
2001-01-11	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
GB2118750B (en)	1985-10-30	Data transmission system
GB2146509B (en)	1986-08-13	Data transmission system
DE3363987D1 (en)	1986-07-17	Data transmission system
GB2142175B (en)	1987-03-25	Data transmission system
GB8305780D0 (en)	1983-04-07	Data transmission system
GB8333415D0 (en)	1984-01-25	Transmission system
GB8406044D0 (en)	1984-04-11	Data transmission system
GB2109968B (en)	1985-02-27	Data transmission system
ZA832755B (en)	1984-01-25	Data communications system
GB2139834B (en)	1986-12-17	Data transmission system
GB8332237D0 (en)	1984-01-11	Transmission system
ZA831188B (en)	1983-11-30	Data transmission system
GB8321483D0 (en)	1983-09-14	Data transmission system
DE3275801D1 (en)	1987-04-23	Data transmission system
GB8327540D0 (en)	1983-11-16	Information transmission system
DE3376611D1 (en)	1988-06-16	Data transmission system
EP0085973A3 (en)	1987-01-07	Information transmission system
GB2130458B (en)	1986-02-19	Asynchronous data transmission
DE3378946D1 (en)	1989-02-16	Synchronous data transmission system
DE3373958D1 (en)	1987-11-05	A data transmission system
GB8325832D0 (en)	1983-10-26	Data transmission
DE3370112D1 (en)	1987-04-09	Data transmission system
GB2147770B (en)	1987-01-14	Data transmission system
GB2113940B (en)	1985-04-17	Data transmission system
GB8311431D0 (en)	1983-06-02	Data transmission