FR2369748A1 - Convertisseur de code alphabetique pour un systeme de transmission numerique - Google Patents
Convertisseur de code alphabetique pour un systeme de transmission numeriqueInfo
- Publication number
- FR2369748A1 FR2369748A1 FR7731503A FR7731503A FR2369748A1 FR 2369748 A1 FR2369748 A1 FR 2369748A1 FR 7731503 A FR7731503 A FR 7731503A FR 7731503 A FR7731503 A FR 7731503A FR 2369748 A1 FR2369748 A1 FR 2369748A1
- Authority
- FR
- France
- Prior art keywords
- signals
- transmission system
- ternary
- digital transmission
- code converter
- Prior art date
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title abstract 5
- 238000006243 chemical reaction Methods 0.000 abstract 1
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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dc Digital Transmission (AREA)
- Small-Scale Networks (AREA)
- Emergency Protection Circuit Devices (AREA)
- Optical Communication System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2649161A DE2649161C3 (de) | 1976-10-28 | 1976-10-28 | Digitales Übertragungssystem mit einem Alphabet-Code-Wandler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2369748A1 true FR2369748A1 (fr) | 1978-05-26 |
| FR2369748B1 FR2369748B1 (da) | 1982-03-26 |
Family
ID=5991783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7731503A Granted FR2369748A1 (fr) | 1976-10-28 | 1977-10-19 | Convertisseur de code alphabetique pour un systeme de transmission numerique |
Country Status (16)
| Country | Link |
|---|---|
| AT (1) | AT355098B (da) |
| AU (1) | AU506477B2 (da) |
| BE (1) | BE860285A (da) |
| BR (1) | BR7707157A (da) |
| CH (1) | CH627556A5 (da) |
| DE (1) | DE2649161C3 (da) |
| DK (1) | DK154250C (da) |
| ES (1) | ES463650A1 (da) |
| FR (1) | FR2369748A1 (da) |
| GB (1) | GB1543135A (da) |
| IT (1) | IT1086933B (da) |
| MX (1) | MX144035A (da) |
| NL (1) | NL174318C (da) |
| NO (1) | NO145289C (da) |
| SE (1) | SE414441B (da) |
| YU (1) | YU258177A (da) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557404A1 (fr) * | 1983-12-23 | 1985-06-28 | Wilbrod Jean Hubert | Procede de transmission d'informations a bas debit sur liaison numerique en service et installation de communication en comportant application |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2902020C3 (de) * | 1979-01-19 | 1982-08-26 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Verfahren und Schaltungsanordnung zur Übertragung von Fehlerortungsbefehlen in digitalen Übertragungssystemen |
| GB2183971B (en) * | 1985-12-05 | 1989-10-04 | Stc Plc | Data transmission system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3692964A (en) * | 1969-12-24 | 1972-09-19 | Sits Soc It Telecom Siemens | Remote-testing arrangement for two-way transmission channel of pcm telecommunication system |
-
1976
- 1976-10-28 DE DE2649161A patent/DE2649161C3/de not_active Expired
-
1977
- 1977-09-29 AT AT694477A patent/AT355098B/de not_active IP Right Cessation
- 1977-10-11 GB GB42189/77A patent/GB1543135A/en not_active Expired
- 1977-10-13 CH CH1253477A patent/CH627556A5/de not_active IP Right Cessation
- 1977-10-17 MX MX170968A patent/MX144035A/es unknown
- 1977-10-19 FR FR7731503A patent/FR2369748A1/fr active Granted
- 1977-10-21 NO NO773619A patent/NO145289C/no unknown
- 1977-10-24 SE SE7711943A patent/SE414441B/xx not_active IP Right Cessation
- 1977-10-25 IT IT28948/77A patent/IT1086933B/it active
- 1977-10-26 BR BR7707157A patent/BR7707157A/pt unknown
- 1977-10-27 DK DK477677A patent/DK154250C/da not_active IP Right Cessation
- 1977-10-27 YU YU02581/77A patent/YU258177A/xx unknown
- 1977-10-27 AU AU30108/77A patent/AU506477B2/en not_active Expired
- 1977-10-28 BE BE182196A patent/BE860285A/xx not_active IP Right Cessation
- 1977-10-28 NL NLAANVRAGE7711914,A patent/NL174318C/xx not_active IP Right Cessation
- 1977-10-28 ES ES463650A patent/ES463650A1/es not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3692964A (en) * | 1969-12-24 | 1972-09-19 | Sits Soc It Telecom Siemens | Remote-testing arrangement for two-way transmission channel of pcm telecommunication system |
Non-Patent Citations (2)
| Title |
|---|
| ELECTRICAL COMMUNICATION, vol. 48, nr. 1/2, 1973, Londen, A. JESSOP e.a. '120-megabit per second coaxial system demonstrated in laboratory', blz. 79 - 92 * |
| ELECTRICAL COMMUNICATION, vol. 50, nr. 3, 1975, Londen, H. REEVES e.a. 'Progress in 120 mbits digital line system development', blz. 211 - 213 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557404A1 (fr) * | 1983-12-23 | 1985-06-28 | Wilbrod Jean Hubert | Procede de transmission d'informations a bas debit sur liaison numerique en service et installation de communication en comportant application |
Also Published As
| Publication number | Publication date |
|---|---|
| NL174318B (nl) | 1983-12-16 |
| BR7707157A (pt) | 1978-07-18 |
| NO145289B (no) | 1981-11-09 |
| DK477677A (da) | 1978-04-29 |
| NO773619L (no) | 1978-05-02 |
| AU506477B2 (en) | 1980-01-03 |
| NL7711914A (nl) | 1978-05-03 |
| DK154250B (da) | 1988-10-24 |
| BE860285A (fr) | 1978-02-15 |
| FR2369748B1 (da) | 1982-03-26 |
| YU258177A (en) | 1982-06-30 |
| ATA694477A (de) | 1979-07-15 |
| NL174318C (nl) | 1984-05-16 |
| NO145289C (no) | 1982-02-17 |
| ES463650A1 (es) | 1979-01-01 |
| SE7711943L (sv) | 1978-04-29 |
| DE2649161B2 (de) | 1979-01-04 |
| MX144035A (es) | 1981-08-19 |
| AT355098B (de) | 1980-02-11 |
| SE414441B (sv) | 1980-07-28 |
| GB1543135A (en) | 1979-03-28 |
| AU3010877A (en) | 1979-05-03 |
| IT1086933B (it) | 1985-05-31 |
| DE2649161C3 (de) | 1979-09-06 |
| DE2649161A1 (de) | 1978-05-03 |
| CH627556A5 (en) | 1982-01-15 |
| DK154250C (da) | 1989-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0378417A3 (en) | Code division multiplex system | |
| FR2469849A1 (fr) | Module de commutation temporelle et reseau numerique a plusieurs etages | |
| US4191858A (en) | Block digital processing system for nonuniformly encoded digital words | |
| SU1210677A3 (ru) | Способ цифровой конференцсв зи и устройство дл его осуществлени | |
| SE9701351D0 (sv) | A method and a device for coding data sequences | |
| KR840003945A (ko) | 디지탈 변환방식에 의해 데이타 인포메이션을 전송하는 전기통신 시스템 | |
| AR002394A1 (es) | Una disposicion de telefonia inalambrica mejorada para interconectar una red digital en una red telefonica publica conmutable y un metodo para procesarllamados telefonicos mediante dicha disposicion. | |
| US3996607A (en) | System for digital transmission of color television signals | |
| US4646358A (en) | Signaling arrangement for two-way radio communication | |
| JPS56111334A (en) | Selective calling device | |
| US3975686A (en) | Loss signal generation for delta-modulated signals | |
| GB1413690A (en) | Closed-loop telecommunication system | |
| KR19980080099A (ko) | 음성신호를 위한 디지탈 처리장치로 구성된 전화통신장치와 상기 장치내에서 수행되는 방법 | |
| JPS5686569A (en) | Telephone set of composite service | |
| EA199900949A1 (ru) | Независимая от времени соединения передача информации по телефонным сетям | |
| ATE17624T1 (de) | Schaltungsanordnung und verfahren fuer digitalen konferenzbetrieb. | |
| AU617854B2 (en) | Digital communication system | |
| US4110563A (en) | Traffic sensitive modulation system | |
| GB1436878A (en) | Pulse density modulation to pcm modulation translation | |
| GB1341663A (en) | Speech predictive encoding communication system | |
| Molinari et al. | Bit rate per channel halving in PCM multiplexes by speech interpolation and adaptive quantization | |
| KR940006010B1 (ko) | 전전자 교환기의 u-LAW, A-LAW 상호 변환장치. | |
| US4007337A (en) | Arrangement and method of achieving a dial pulse muting function in a register sender PABX system | |
| SU482913A1 (ru) | Вход щий комплект междугородной телефонной станции | |
| GB1315927A (en) | Telephone systems |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |