FR2408250A1 - Regenerateur numerique a bonne immunite au bruit - Google Patents
Regenerateur numerique a bonne immunite au bruitInfo
- Publication number
- FR2408250A1 FR2408250A1 FR7830907A FR7830907A FR2408250A1 FR 2408250 A1 FR2408250 A1 FR 2408250A1 FR 7830907 A FR7830907 A FR 7830907A FR 7830907 A FR7830907 A FR 7830907A FR 2408250 A1 FR2408250 A1 FR 2408250A1
- Authority
- FR
- France
- Prior art keywords
- regenerator
- noise immunity
- good noise
- digital
- digital regenerator
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/20—Repeater circuits; Relay circuits
- H04L25/24—Relay circuits using discharge tubes or semiconductor devices
- H04L25/242—Relay circuits using discharge tubes or semiconductor devices with retiming
-
- 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
- H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
- Interface Circuits In Exchanges (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
LA PRESENTE INVENTION CONCERNE UN REGENERATEUR NUMERIQUE A BONNE IMMUNITE AU BRUIT. UN TEL REGENERATEUR COMPREND UN REPETEUR COMPRENANT UN EGALISEUR 12 ET UN REGENERATEUR 13, UN PREMIER FILTRE 20 AVANT LE REGENERATEUR ET UN SECOND FILTRE 21 APRES LE REGENERATEUR DE FONCTION DE TRANSFERT INVERSE DU PREMIER. APPLICATION A LA REDUCTION DES BRUITS DE PARADIAPHONIE DANS LES TRANSMISSIONS TELEPHONIQUES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA290,075A CA1078929A (fr) | 1977-11-02 | 1977-11-02 | Regenerateur digital avec protection amelioree contre le bruit |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2408250A1 true FR2408250A1 (fr) | 1979-06-01 |
Family
ID=4109928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7830907A Withdrawn FR2408250A1 (fr) | 1977-11-02 | 1978-10-31 | Regenerateur numerique a bonne immunite au bruit |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5472610A (fr) |
CA (1) | CA1078929A (fr) |
DE (1) | DE2847646A1 (fr) |
FR (1) | FR2408250A1 (fr) |
GB (1) | GB2007943B (fr) |
SE (1) | SE7811332L (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5834002B2 (ja) * | 1979-10-17 | 1983-07-23 | 日立電子株式会社 | デイジタル信号の磁気記録再生方式 |
FR2633790A1 (fr) * | 1988-07-01 | 1990-01-05 | Labo Electronique Physique | Dispositif de reception de signaux a codage numerique modules en frequence |
-
1977
- 1977-11-02 CA CA290,075A patent/CA1078929A/fr not_active Expired
-
1978
- 1978-10-17 GB GB7840837A patent/GB2007943B/en not_active Expired
- 1978-10-31 FR FR7830907A patent/FR2408250A1/fr not_active Withdrawn
- 1978-11-01 SE SE7811332A patent/SE7811332L/xx unknown
- 1978-11-01 JP JP13383178A patent/JPS5472610A/ja active Pending
- 1978-11-02 DE DE19782847646 patent/DE2847646A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2007943A (en) | 1979-05-23 |
JPS5472610A (en) | 1979-06-11 |
SE7811332L (sv) | 1979-05-03 |
CA1078929A (fr) | 1980-06-03 |
DE2847646A1 (de) | 1979-05-03 |
GB2007943B (en) | 1982-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |