FR2438388B1 - - Google Patents
Info
- Publication number
- FR2438388B1 FR2438388B1 FR7924673A FR7924673A FR2438388B1 FR 2438388 B1 FR2438388 B1 FR 2438388B1 FR 7924673 A FR7924673 A FR 7924673A FR 7924673 A FR7924673 A FR 7924673A FR 2438388 B1 FR2438388 B1 FR 2438388B1
- Authority
- FR
- France
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Dc Digital Transmission (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US94916178A | 1978-10-05 | 1978-10-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2438388A1 FR2438388A1 (fr) | 1980-04-30 |
| FR2438388B1 true FR2438388B1 (de) | 1983-04-01 |
Family
ID=25488672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7924673A Granted FR2438388A1 (fr) | 1978-10-05 | 1979-10-04 | Appareil de codage avec moyen de prevision limitee pour la transmission de donnees binaires sans composante continue |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS55159659A (de) |
| BE (1) | BE879124A (de) |
| CA (1) | CA1140998A (de) |
| DE (1) | DE2940488C2 (de) |
| FR (1) | FR2438388A1 (de) |
| GB (1) | GB2032228B (de) |
| IT (1) | IT1164050B (de) |
| NL (1) | NL7907383A (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2531289A2 (fr) * | 1976-03-19 | 1984-02-03 | Ampex | Appareil et procede de codage sans courant continu pour systeme de transmission de donnees |
| JPS601956A (ja) * | 1983-06-17 | 1985-01-08 | Sony Corp | デイジタルデ−タの変調方法 |
| FR2571910B1 (fr) * | 1984-10-16 | 1987-01-09 | Bull Sa | Procede et dispositif de codage et de decodage pour la transmission serie de donnees binaires avec suppression de composante continue |
| FR2585905B1 (fr) * | 1985-08-02 | 1987-09-25 | Telediffusion Fse | Procede de modulation en bande de base d'un signal de donnees, appareil de modulation et appareil de demodulation correspondants |
| JP2006069742A (ja) | 2004-09-02 | 2006-03-16 | Hamada Printing Press Co Ltd | インクジェット方式の印刷機 |
| FR2998182B1 (fr) | 2012-11-16 | 2015-06-26 | Zedel | Appareil de securite sur corde a verrouillage sous charge |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995264A (en) * | 1974-11-01 | 1976-11-30 | International Business Machines Corporation | Apparatus for encoding and decoding binary data in a modified zero modulation data code |
| US4027335A (en) * | 1976-03-19 | 1977-05-31 | Ampex Corporation | DC free encoding for data transmission system |
-
1979
- 1979-09-05 CA CA000335059A patent/CA1140998A/en not_active Expired
- 1979-10-01 BE BE0/197420A patent/BE879124A/fr not_active IP Right Cessation
- 1979-10-01 GB GB7933998A patent/GB2032228B/en not_active Expired
- 1979-10-03 IT IT50446/79A patent/IT1164050B/it active
- 1979-10-04 FR FR7924673A patent/FR2438388A1/fr active Granted
- 1979-10-04 NL NL7907383A patent/NL7907383A/nl not_active Application Discontinuation
- 1979-10-05 JP JP12877579A patent/JPS55159659A/ja active Pending
- 1979-10-05 DE DE2940488A patent/DE2940488C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55159659A (en) | 1980-12-11 |
| GB2032228A (en) | 1980-04-30 |
| FR2438388A1 (fr) | 1980-04-30 |
| IT7950446A0 (it) | 1979-10-03 |
| IT1164050B (it) | 1987-04-08 |
| CA1140998A (en) | 1983-02-08 |
| BE879124A (fr) | 1980-02-01 |
| GB2032228B (en) | 1983-03-30 |
| DE2940488A1 (de) | 1980-04-24 |
| DE2940488C2 (de) | 1984-08-16 |
| NL7907383A (nl) | 1980-04-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |