FR2139665B1 - - Google Patents

Info

Publication number
FR2139665B1
FR2139665B1 FR717119563A FR7119563A FR2139665B1 FR 2139665 B1 FR2139665 B1 FR 2139665B1 FR 717119563 A FR717119563 A FR 717119563A FR 7119563 A FR7119563 A FR 7119563A FR 2139665 B1 FR2139665 B1 FR 2139665B1
Authority
FR
France
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
FR717119563A
Other versions
FR2139665A1 (fr
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications 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.)
Filing date
Publication date
Application filed by Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR717119563A priority Critical patent/FR2139665B1/fr
Priority to US00252112A priority patent/US3783383A/en
Priority to IT24736/72A priority patent/IT955774B/it
Priority to AU42641/72A priority patent/AU467423B2/en
Priority to CH776872A priority patent/CH567844A5/xx
Priority to NL7207182A priority patent/NL7207182A/xx
Priority to CA143,204A priority patent/CA957075A/en
Priority to AR242207A priority patent/AR194105A1/es
Priority to ES403243A priority patent/ES403243A1/es
Priority to FR7219338A priority patent/FR2187187A6/fr
Publication of FR2139665A1 publication Critical patent/FR2139665A1/fr
Application granted granted Critical
Publication of FR2139665B1 publication Critical patent/FR2139665B1/fr
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
    • H04L25/4917—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 multilevel codes
    • H04L25/4923—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 multilevel codes using ternary codes
    • H04L25/4925—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 multilevel codes using ternary codes using balanced bipolar ternary codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
FR717119563A 1971-05-28 1971-05-28 Expired FR2139665B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR717119563A FR2139665B1 (fr) 1971-05-28 1971-05-28
US00252112A US3783383A (en) 1971-05-28 1972-05-10 Low disparity bipolar pcm system
AU42641/72A AU467423B2 (en) 1971-05-28 1972-05-24 Signalling process for pcm transmission system
IT24736/72A IT955774B (it) 1971-05-28 1972-05-24 Procedimento di segnalazione per sistema di trasmissione in modula zione con impulsi codificati
CH776872A CH567844A5 (fr) 1971-05-28 1972-05-25
NL7207182A NL7207182A (fr) 1971-05-28 1972-05-26
CA143,204A CA957075A (en) 1971-05-28 1972-05-26 Signalling process for pcm transmission system
AR242207A AR194105A1 (es) 1971-05-28 1972-05-26 Dispositivo de senalizacion
ES403243A ES403243A1 (es) 1971-05-28 1972-05-27 Mejoras en los procesos de senalizacion en sistemas de transmision por modulacion de impulsos codificados (nic).
FR7219338A FR2187187A6 (fr) 1971-05-28 1972-05-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717119563A FR2139665B1 (fr) 1971-05-28 1971-05-28

Publications (2)

Publication Number Publication Date
FR2139665A1 FR2139665A1 (fr) 1973-01-12
FR2139665B1 true FR2139665B1 (fr) 1973-05-25

Family

ID=9077827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR717119563A Expired FR2139665B1 (fr) 1971-05-28 1971-05-28

Country Status (9)

Country Link
US (1) US3783383A (fr)
AR (1) AR194105A1 (fr)
AU (1) AU467423B2 (fr)
CA (1) CA957075A (fr)
CH (1) CH567844A5 (fr)
ES (1) ES403243A1 (fr)
FR (1) FR2139665B1 (fr)
IT (1) IT955774B (fr)
NL (1) NL7207182A (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4003041A (en) * 1973-04-25 1977-01-11 De Staat der Nederlanden, te Deze Vertegenwoordigd door De Directeur-General der Posterijen, Telegraphie en Telefonie System for converting binary signals into shorter balanced ternary code signals
US3913016A (en) * 1974-04-18 1975-10-14 Bell Telephone Labor Inc Circuit for curtailing effects of bit errors in pulse coded transmission
US4002834A (en) * 1974-12-09 1977-01-11 The United States Of America As Represented By The Secretary Of The Navy PCM synchronization and multiplexing system
GB1512700A (en) * 1975-10-23 1978-06-01 Standard Telephones Cables Ltd Data transmission
US4054754A (en) * 1976-06-07 1977-10-18 Bell Telephone Laboratories, Incorporated Arrangement for transmitting digital data and synchronizing information
FR2389278A1 (fr) * 1977-04-29 1978-11-24 Thomson Csf Systeme de stockage magnetique d'informations numeriques codees avec transcodage reversible en code bipolaire a haute densite d'ordre n
IT1113847B (it) * 1977-12-21 1986-01-27 Sits Soc It Telecom Siemens Sistema di trasmissione di segnali digitali
FR2488089B1 (fr) * 1980-07-29 1988-02-12 Lignes Telegraph Telephon Procede de transcodage d'informations et systeme de transmission utilisant un tel procede
GB2089177B (en) * 1980-11-18 1985-04-03 Sony Coep Signal error detecting
JPS57170652A (en) * 1981-04-15 1982-10-20 Nec Corp Transmitting system for burst signal
US4542517A (en) * 1981-09-23 1985-09-17 Honeywell Information Systems Inc. Digital serial interface with encode logic for transmission
US4547890A (en) * 1982-09-28 1985-10-15 Abraham M. Gindi Apparatus and method for forming d.c. free codes
NL8402444A (nl) * 1984-01-20 1986-03-03 Philips Nv Werkwijze voor het overdragen van informatie, codeerinrichting voor toepassing in de werkwijze en decodeerinrichting voor toepassing in de werkwijze.
NL8403366A (nl) * 1984-11-06 1986-06-02 Philips Nv Inrichting voor het bewaken van een cmi-codeomvormer.
US4656633A (en) * 1985-03-15 1987-04-07 Dolby Laboratories Licensing Corporation Error concealment system
BE904913A (nl) * 1986-06-13 1986-12-15 Bell Telephone Mfg Data overdrachtsysteem.
US5257287A (en) * 1990-02-15 1993-10-26 Advanced Micro Devices, Inc. Automatic polarity detection and correction method and apparatus employing linkpulses

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156767A (en) * 1959-01-19 1964-11-10 Nederlanden Staat System for establishing and maintaining synchronism in duplex telegraph systems
NL272023A (fr) * 1960-12-05
US3048819A (en) * 1960-12-05 1962-08-07 Bell Telephone Labor Inc Detection and measurement of errors in pulse code trains
NL302292A (fr) * 1962-12-28
GB973787A (en) * 1963-05-24 1964-10-28 Standard Telephones Cables Ltd Pulse code modulation system
DE1287629B (fr) * 1966-03-15 1969-01-23
US3502810A (en) * 1966-08-15 1970-03-24 Bell Telephone Labor Inc Bipolar pulse transmission system with self-derived timing and drift compensation
US3671959A (en) * 1969-01-24 1972-06-20 Kokusai Denshin Denwa Co Ltd Binary to ternary converter

Also Published As

Publication number Publication date
ES403243A1 (es) 1976-01-01
NL7207182A (fr) 1972-11-30
CA957075A (en) 1974-10-29
AR194105A1 (es) 1973-06-22
US3783383A (en) 1974-01-01
AU467423B2 (en) 1975-12-04
AU4264172A (en) 1973-11-29
FR2139665A1 (fr) 1973-01-12
CH567844A5 (fr) 1975-10-15
IT955774B (it) 1973-09-29

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Legal Events

Date Code Title Description
ST Notification of lapse