BE615464A - Système télégraphique à courant alternatif empruntant une bande limitée de fréquences - Google Patents
Système télégraphique à courant alternatif empruntant une bande limitée de fréquencesInfo
- Publication number
- BE615464A BE615464A BE615464A BE615464A BE615464A BE 615464 A BE615464 A BE 615464A BE 615464 A BE615464 A BE 615464A BE 615464 A BE615464 A BE 615464A BE 615464 A BE615464 A BE 615464A
- Authority
- BE
- Belgium
- Prior art keywords
- frequency band
- alternating current
- limited frequency
- telegraph system
- current telegraph
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/47—Error detection, forward error correction or error protection, not provided for in groups H03M13/01 - H03M13/37
- H03M13/51—Constant weight codes; n-out-of-m codes; Berger codes
-
- 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
-
- 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
-
- 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
- H04L25/4908—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 using mBnB codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Television Systems (AREA)
- Dc Digital Transmission (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL263171A NL121716C (fr) | 1961-04-04 | 1961-04-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE615464A true BE615464A (fr) | 1962-07-16 |
Family
ID=19752961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE615464A BE615464A (fr) | 1961-04-04 | 1962-03-23 | Système télégraphique à courant alternatif empruntant une bande limitée de fréquences |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE615464A (fr) |
CH (1) | CH394282A (fr) |
DE (1) | DE1206947B (fr) |
FR (1) | FR1319527A (fr) |
GB (1) | GB929336A (fr) |
NL (1) | NL121716C (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713123A (en) * | 1969-12-18 | 1973-01-23 | Gen Electric | High density data recording and error tolerant data reproducing system |
FR2469839A1 (fr) * | 1979-11-14 | 1981-05-22 | Brossard Pierre | Codeur-decodeur pour voies de transmission numeriques |
US5422881A (en) * | 1989-06-30 | 1995-06-06 | Inmos Limited | Message encoding |
GB8915137D0 (en) * | 1989-06-30 | 1989-08-23 | Inmos Ltd | Message routing |
GB9312136D0 (en) * | 1993-06-11 | 1993-07-28 | Inmos Ltd | Transmission of messages |
GB9312071D0 (en) * | 1993-06-11 | 1993-07-28 | Inmos Ltd | Encoding scheme |
EP0629067B1 (fr) * | 1993-06-11 | 2003-01-22 | STMicroelectronics Limited | Codage 4B6B |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL250403A (fr) * | 1959-04-15 |
-
1961
- 1961-04-04 NL NL263171A patent/NL121716C/xx active
-
1962
- 1962-03-15 CH CH310962A patent/CH394282A/de unknown
- 1962-03-17 DE DE1962ST018979 patent/DE1206947B/de active Pending
- 1962-03-23 BE BE615464A patent/BE615464A/fr unknown
- 1962-03-23 FR FR892064A patent/FR1319527A/fr not_active Expired
- 1962-04-04 GB GB1294062A patent/GB929336A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH394282A (de) | 1965-06-30 |
GB929336A (en) | 1963-06-19 |
DE1206947B (de) | 1965-12-16 |
NL263171A (fr) | 1964-05-25 |
FR1319527A (fr) | 1963-03-01 |
NL121716C (fr) | 1967-02-08 |
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