BE855190R - Arrangement pour la detection d'erreurs dans un systeme a modulation par impulsions codees - Google Patents

Arrangement pour la detection d'erreurs dans un systeme a modulation par impulsions codees

Info

Publication number
BE855190R
BE855190R BE2055957A BE2055957A BE855190R BE 855190 R BE855190 R BE 855190R BE 2055957 A BE2055957 A BE 2055957A BE 2055957 A BE2055957 A BE 2055957A BE 855190 R BE855190 R BE 855190R
Authority
BE
Belgium
Prior art keywords
arrangement
error detection
modulation system
pulse modulation
coded pulse
Prior art date
Application number
BE2055957A
Other languages
English (en)
Inventor
A Jessop
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of BE855190R publication Critical patent/BE855190R/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • H04L1/0063—Single parity check
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Dc Digital Transmission (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
BE2055957A 1976-06-02 1977-05-31 Arrangement pour la detection d'erreurs dans un systeme a modulation par impulsions codees BE855190R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22849/76A GB1536337A (en) 1976-06-02 1976-06-02 Error detection in digital systems

Publications (1)

Publication Number Publication Date
BE855190R true BE855190R (fr) 1977-11-30

Family

ID=10186040

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2055957A BE855190R (fr) 1976-06-02 1977-05-31 Arrangement pour la detection d'erreurs dans un systeme a modulation par impulsions codees

Country Status (8)

Country Link
US (1) US4121195A (fr)
AU (1) AU506540B2 (fr)
BE (1) BE855190R (fr)
BR (1) BR7703499A (fr)
CH (1) CH623693A5 (fr)
ES (1) ES459378A1 (fr)
GB (1) GB1536337A (fr)
IT (1) IT1084137B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2446570A1 (fr) * 1979-01-09 1980-08-08 Telecommunications Sa Procede et dispositif permettant la transmission simultanee d'un signal numerique et d'une onde basse frequence
US4507783A (en) * 1983-02-28 1985-03-26 At&T Bell Laboratories Error detection circuitry for digital systems
US4586186A (en) * 1983-08-08 1986-04-29 At&T Bell Laboratories Maintenance response signalling arrangement for a digital transmission system
US4633464A (en) * 1983-08-08 1986-12-30 At&T Bell Laboratories Control signalling arrangement for a digital transmission system
EP0244629B1 (fr) * 1986-03-31 1993-12-22 Nec Corporation Système de transmission par radio comportant des dispositifs de codage vis-à-vis des erreurs et une commutation rapide des canaux
GB2263849B (en) * 1992-01-31 1995-02-15 Northern Telecom Ltd Error detection
KR100464366B1 (ko) * 2002-02-16 2005-01-03 삼성전자주식회사 순방향 오류 정정 장치 및 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3405235A (en) * 1963-03-12 1968-10-08 Post Office Systems for transmitting code pulses having low cumulative displarity
US3439330A (en) * 1965-06-04 1969-04-15 Bell Telephone Labor Inc Error detection in paired selected ternary code trains
GB1156279A (en) * 1967-12-20 1969-06-25 Standard Telephones Cables Ltd Data Transmission Terminal
GB1276693A (en) * 1969-06-30 1972-06-07 Riken Vitamin Oil Co Ltd Process for preparing powders of lipophilic food emulsifiers
GB1423647A (en) * 1972-06-06 1976-02-04 Standard Telephones Cables Ltd Error detection in digital transmission systems
US3810111A (en) * 1972-12-26 1974-05-07 Ibm Data coding with stable base line for recording and transmitting binary data
US3842401A (en) * 1973-09-10 1974-10-15 Gen Electric Ternary code error detector for a time-division multiplex, pulse-code modulation system

Also Published As

Publication number Publication date
ES459378A1 (es) 1978-04-01
AU506540B2 (en) 1980-01-10
US4121195A (en) 1978-10-17
IT1084137B (it) 1985-05-25
CH623693A5 (fr) 1981-06-15
BR7703499A (pt) 1978-03-14
AU2560477A (en) 1978-12-07
GB1536337A (en) 1978-12-20

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL STANDARD ELECTRIC CORP.

Effective date: 19870228