FR1355578A - Perfectionnements aux procédés de transmission en modulation codée d'impulsions - Google Patents
Perfectionnements aux procédés de transmission en modulation codée d'impulsionsInfo
- Publication number
- FR1355578A FR1355578A FR919928A FR919928A FR1355578A FR 1355578 A FR1355578 A FR 1355578A FR 919928 A FR919928 A FR 919928A FR 919928 A FR919928 A FR 919928A FR 1355578 A FR1355578 A FR 1355578A
- Authority
- FR
- France
- Prior art keywords
- pulse code
- code modulation
- transmission methods
- modulation transmission
- methods
- 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.)
- Expired
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
- H04L25/4906—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
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0602—Systems characterised by the synchronising information used
- H04J3/0617—Systems characterised by the synchronising information used the synchronising signal being characterised by the frequency or phase
-
- 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
-
- 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
- H04L25/4915—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 pattern inversion or substitution
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL302292D NL302292A (fr) | 1962-12-28 | ||
FR919928A FR1355578A (fr) | 1962-12-28 | 1962-12-28 | Perfectionnements aux procédés de transmission en modulation codée d'impulsions |
US328563A US3300774A (en) | 1962-12-28 | 1963-12-06 | Binary code transformation system |
GB50403/63A GB1036329A (en) | 1962-12-28 | 1963-12-20 | Binary code transformation system |
CH1588163A CH411992A (fr) | 1962-12-28 | 1963-12-23 | Installation de transmission de données en modulation codée d'impulsions |
BE641810A BE641810A (fr) | 1962-12-28 | 1963-12-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR919928A FR1355578A (fr) | 1962-12-28 | 1962-12-28 | Perfectionnements aux procédés de transmission en modulation codée d'impulsions |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1355578A true FR1355578A (fr) | 1964-03-20 |
Family
ID=8793721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR919928A Expired FR1355578A (fr) | 1962-12-28 | 1962-12-28 | Perfectionnements aux procédés de transmission en modulation codée d'impulsions |
Country Status (6)
Country | Link |
---|---|
US (1) | US3300774A (fr) |
BE (1) | BE641810A (fr) |
CH (1) | CH411992A (fr) |
FR (1) | FR1355578A (fr) |
GB (1) | GB1036329A (fr) |
NL (1) | NL302292A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1250908A (fr) * | 1968-12-13 | 1971-10-27 | ||
FR2139665B1 (fr) * | 1971-05-28 | 1973-05-25 | Labo Cent Telecommunicat | |
US3828346A (en) * | 1972-05-30 | 1974-08-06 | Int Standard Electric Corp | Pcm transmission system |
US3913016A (en) * | 1974-04-18 | 1975-10-14 | Bell Telephone Labor Inc | Circuit for curtailing effects of bit errors in pulse coded transmission |
FR2466913A1 (fr) * | 1979-10-01 | 1981-04-10 | Thomson Csf | Procede et dispositif de codage de donnees binaires, dispositifs de decodage des donnees codees et systemes de transmission comportant de tels dispositifs |
US4309694A (en) * | 1980-03-27 | 1982-01-05 | Bell Telephone Laboratories, Incorporated | Zero disparity coding system |
US4542517A (en) * | 1981-09-23 | 1985-09-17 | Honeywell Information Systems Inc. | Digital serial interface with encode logic for transmission |
US4799217A (en) * | 1986-08-20 | 1989-01-17 | American Telephone And Telegraph Company, At&T Bell Laboratories | Three time slot digital subscriber line termination |
-
0
- NL NL302292D patent/NL302292A/xx unknown
-
1962
- 1962-12-28 FR FR919928A patent/FR1355578A/fr not_active Expired
-
1963
- 1963-12-06 US US328563A patent/US3300774A/en not_active Expired - Lifetime
- 1963-12-20 GB GB50403/63A patent/GB1036329A/en not_active Expired
- 1963-12-23 CH CH1588163A patent/CH411992A/fr unknown
- 1963-12-27 BE BE641810A patent/BE641810A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3300774A (en) | 1967-01-24 |
NL302292A (fr) | |
GB1036329A (en) | 1966-07-20 |
BE641810A (fr) | 1964-06-29 |
CH411992A (fr) | 1966-04-30 |
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