FR2281018B1 - - Google Patents
Info
- Publication number
- FR2281018B1 FR2281018B1 FR7426845A FR7426845A FR2281018B1 FR 2281018 B1 FR2281018 B1 FR 2281018B1 FR 7426845 A FR7426845 A FR 7426845A FR 7426845 A FR7426845 A FR 7426845A FR 2281018 B1 FR2281018 B1 FR 2281018B1
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426845A FR2281018A1 (fr) | 1974-08-02 | 1974-08-02 | Modem en bande de base comportant en ligne un canal de transmission numerique a grande vitesse et un canal de transmission numerique a faible vitesse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7426845A FR2281018A1 (fr) | 1974-08-02 | 1974-08-02 | Modem en bande de base comportant en ligne un canal de transmission numerique a grande vitesse et un canal de transmission numerique a faible vitesse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2281018A1 FR2281018A1 (fr) | 1976-02-27 |
| FR2281018B1 true FR2281018B1 (hu) | 1980-07-25 |
Family
ID=9142021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7426845A Granted FR2281018A1 (fr) | 1974-08-02 | 1974-08-02 | Modem en bande de base comportant en ligne un canal de transmission numerique a grande vitesse et un canal de transmission numerique a faible vitesse |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2281018A1 (hu) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2605473A1 (fr) * | 1986-10-15 | 1988-04-22 | Hewlett Packard France Sa | Procede et appareil de codage et de decodage d'informations binaires |
| JPH02177739A (ja) * | 1988-12-28 | 1990-07-10 | Hitachi Ltd | デイジタル伝送方式 |
-
1974
- 1974-08-02 FR FR7426845A patent/FR2281018A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2281018A1 (fr) | 1976-02-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |