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 codeesInfo
- 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
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)
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 (de) |
AU (1) | AU506540B2 (de) |
BE (1) | BE855190R (de) |
BR (1) | BR7703499A (de) |
CH (1) | CH623693A5 (de) |
ES (1) | ES459378A1 (de) |
GB (1) | GB1536337A (de) |
IT (1) | IT1084137B (de) |
Families Citing this family (7)
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 (de) * | 1986-03-31 | 1993-12-22 | Nec Corporation | Funkübertragungssystem mit vereinfachter Fehlerkorrekturschaltung und schneller Kanalumschaltung |
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)
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 |
-
1976
- 1976-06-02 GB GB22849/76A patent/GB1536337A/en not_active Expired
-
1977
- 1977-05-19 US US05/798,504 patent/US4121195A/en not_active Expired - Lifetime
- 1977-05-24 IT IT23909/77A patent/IT1084137B/it active
- 1977-05-30 BR BR7703499A patent/BR7703499A/pt unknown
- 1977-05-30 AU AU25604/77A patent/AU506540B2/en not_active Expired
- 1977-05-31 BE BE2055957A patent/BE855190R/xx not_active IP Right Cessation
- 1977-06-01 ES ES459378A patent/ES459378A1/es not_active Expired
- 1977-06-02 CH CH677777A patent/CH623693A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1536337A (en) | 1978-12-20 |
US4121195A (en) | 1978-10-17 |
BR7703499A (pt) | 1978-03-14 |
AU506540B2 (en) | 1980-01-10 |
CH623693A5 (de) | 1981-06-15 |
IT1084137B (it) | 1985-05-25 |
ES459378A1 (es) | 1978-04-01 |
AU2560477A (en) | 1978-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: INTERNATIONAL STANDARD ELECTRIC CORP. Effective date: 19870228 |