IE55041B1 - Synchronous data transmission equipment - Google Patents

Synchronous data transmission equipment

Info

Publication number
IE55041B1
IE55041B1 IE2729/83A IE272983A IE55041B1 IE 55041 B1 IE55041 B1 IE 55041B1 IE 2729/83 A IE2729/83 A IE 2729/83A IE 272983 A IE272983 A IE 272983A IE 55041 B1 IE55041 B1 IE 55041B1
Authority
IE
Ireland
Prior art keywords
baud
signal elements
sign
data transmission
during
Prior art date
Application number
IE2729/83A
Other languages
English (en)
Other versions
IE832729L (en
Original Assignee
Cit Alcatel
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.)
Filing date
Publication date
Application filed by Cit Alcatel filed Critical Cit Alcatel
Publication of IE832729L publication Critical patent/IE832729L/xx
Publication of IE55041B1 publication Critical patent/IE55041B1/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
IE2729/83A 1982-11-23 1983-11-22 Synchronous data transmission equipment IE55041B1 (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 (2)

Publication Number Publication Date
IE832729L IE832729L (en) 1984-05-23
IE55041B1 true IE55041B1 (en) 1990-05-09

Family

ID=9279419

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2729/83A IE55041B1 (en) 1982-11-23 1983-11-22 Synchronous data transmission equipment

Country Status (6)

Country Link
US (1) US4584693A (cg-RX-API-DMAC7.html)
EP (1) EP0109658B1 (cg-RX-API-DMAC7.html)
CA (1) CA1191561A (cg-RX-API-DMAC7.html)
DE (1) DE3378946D1 (cg-RX-API-DMAC7.html)
FR (1) FR2536610A1 (cg-RX-API-DMAC7.html)
IE (1) IE55041B1 (cg-RX-API-DMAC7.html)

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
KR960014411B1 (ko) * 1991-12-13 1996-10-15 모토로라 인코포레이티드 직접 위상 계수화 장치 및 방법
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 (cg-RX-API-DMAC7.html) * 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 (cg-RX-API-DMAC7.html) * 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 (cg-RX-API-DMAC7.html) * 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.

Also Published As

Publication number Publication date
EP0109658A1 (fr) 1984-05-30
DE3378946D1 (en) 1989-02-16
US4584693A (en) 1986-04-22
EP0109658B1 (fr) 1989-01-11
FR2536610B1 (cg-RX-API-DMAC7.html) 1985-03-01
FR2536610A1 (fr) 1984-05-25
CA1191561A (fr) 1985-08-06
IE832729L (en) 1984-05-23

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Legal Events

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MK9A Patent expired