BE835970A - Procede et dispositif de suppression de zeros dans un systeme de transmission d'impulsions - Google Patents
Procede et dispositif de suppression de zeros dans un systeme de transmission d'impulsionsInfo
- Publication number
- BE835970A BE835970A BE162198A BE162198A BE835970A BE 835970 A BE835970 A BE 835970A BE 162198 A BE162198 A BE 162198A BE 162198 A BE162198 A BE 162198A BE 835970 A BE835970 A BE 835970A
- Authority
- BE
- Belgium
- Prior art keywords
- transmission system
- pulse transmission
- zero suppression
- suppression
- zero
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
- 230000001629 suppression Effects 0.000 title 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
- H04L25/4904—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 self-synchronising codes, e.g. split-phase 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
- H04L25/4915—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
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Communication Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US528728A US3924080A (en) | 1974-12-02 | 1974-12-02 | Zero suppression in pulse transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BE835970A true BE835970A (fr) | 1976-03-16 |
Family
ID=24106916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE162198A BE835970A (fr) | 1974-12-02 | 1975-11-26 | Procede et dispositif de suppression de zeros dans un systeme de transmission d'impulsions |
Country Status (11)
Country | Link |
---|---|
US (1) | US3924080A (fr) |
JP (1) | JPS5936462B2 (fr) |
AU (1) | AU500797B2 (fr) |
BE (1) | BE835970A (fr) |
CA (1) | CA1055612A (fr) |
DE (1) | DE2554025C3 (fr) |
FR (1) | FR2293832A1 (fr) |
GB (1) | GB1515740A (fr) |
IT (1) | IT1059847B (fr) |
NL (1) | NL7513980A (fr) |
SE (1) | SE400867B (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4123625A (en) * | 1977-11-03 | 1978-10-31 | Northern Telecom Limited | Digital regenerator having improving noise immunity |
AU542859B2 (en) * | 1979-12-28 | 1985-03-21 | Sony Corporation | Method for digital encoding/decoding |
NL8102251A (nl) * | 1981-05-08 | 1982-12-01 | Philips Nv | Systeem voor het overdragen van een audiosignaal via een transmissiekanaal. |
JPS58139313A (ja) * | 1982-02-10 | 1983-08-18 | Victor Co Of Japan Ltd | デイジタル磁気記録再生装置 |
US4712217A (en) * | 1985-12-20 | 1987-12-08 | Network Equipment Technologies | System for transmitting digital information and maintaining a minimum paulse density |
US4747112A (en) * | 1986-09-02 | 1988-05-24 | Gte Communication Systems Corporation | Decoding method for T1 line format for CCITT 32K bit per second ADPCM clear channel transmission and 64 KBPS clear channel transmission |
GB2203615B (en) * | 1987-02-20 | 1991-06-19 | Plessey Co Plc | Time division multiplexed signalling |
US7289560B2 (en) * | 2003-01-17 | 2007-10-30 | Freesystems Pte. Ltd. | Digital modulation and demodulation technique for reliable wireless (both RF and IR) and wired high bandwidth data transmission |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3302193A (en) * | 1964-01-02 | 1967-01-31 | Bell Telephone Labor Inc | Pulse transmission system |
US3590380A (en) * | 1968-02-23 | 1971-06-29 | Philips Corp | Repeater station for information signals containing pseudo-random auxiliary signals |
US3597549A (en) * | 1969-07-17 | 1971-08-03 | Bell Telephone Labor Inc | High speed data communication system |
-
1974
- 1974-12-02 US US528728A patent/US3924080A/en not_active Expired - Lifetime
-
1975
- 1975-10-30 CA CA238,675A patent/CA1055612A/fr not_active Expired
- 1975-11-18 SE SE7512943A patent/SE400867B/xx unknown
- 1975-11-26 BE BE162198A patent/BE835970A/fr unknown
- 1975-11-27 FR FR7536322A patent/FR2293832A1/fr active Granted
- 1975-11-27 AU AU87007/75A patent/AU500797B2/en not_active Expired
- 1975-11-28 IT IT69950/75A patent/IT1059847B/it active
- 1975-11-28 GB GB48971/75A patent/GB1515740A/en not_active Expired
- 1975-12-01 NL NL7513980A patent/NL7513980A/xx not_active Application Discontinuation
- 1975-12-02 JP JP50142461A patent/JPS5936462B2/ja not_active Expired
- 1975-12-02 DE DE2554025A patent/DE2554025C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5936462B2 (ja) | 1984-09-04 |
DE2554025B2 (de) | 1979-09-13 |
US3924080A (en) | 1975-12-02 |
JPS5177107A (fr) | 1976-07-03 |
DE2554025A1 (de) | 1976-08-12 |
IT1059847B (it) | 1982-06-21 |
SE400867B (sv) | 1978-04-10 |
AU8700775A (en) | 1977-06-02 |
GB1515740A (en) | 1978-06-28 |
FR2293832A1 (fr) | 1976-07-02 |
SE7512943L (sv) | 1976-06-03 |
FR2293832B1 (fr) | 1981-09-18 |
CA1055612A (fr) | 1979-05-29 |
NL7513980A (nl) | 1976-06-04 |
AU500797B2 (en) | 1979-05-31 |
DE2554025C3 (de) | 1980-06-04 |
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