FR2482802B1 - - Google Patents
Info
- Publication number
- FR2482802B1 FR2482802B1 FR8109408A FR8109408A FR2482802B1 FR 2482802 B1 FR2482802 B1 FR 2482802B1 FR 8109408 A FR8109408 A FR 8109408A FR 8109408 A FR8109408 A FR 8109408A FR 2482802 B1 FR2482802 B1 FR 2482802B1
- 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
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU118980A HU183139B (en) | 1980-05-14 | 1980-05-14 | Electronic decoding circuit arrangement for systems with self-synchronization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2482802A1 FR2482802A1 (fr) | 1981-11-20 |
| FR2482802B1 true FR2482802B1 (enExample) | 1984-06-08 |
Family
ID=10953254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8109408A Granted FR2482802A1 (fr) | 1980-05-14 | 1981-05-12 | Dispositif electronique de decodage d'informations pour un dispositif fonctionnant en auto-synchronisation |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2482802A1 (enExample) |
| HU (1) | HU183139B (enExample) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3510786A (en) * | 1967-07-17 | 1970-05-05 | Ibm | Synchronizing circuit compensating for data bit shift |
| US3631422A (en) * | 1969-02-03 | 1971-12-28 | Ibm | System for detection of data time interval measurement |
| DE2460534B2 (de) * | 1974-12-20 | 1977-12-01 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur decodierung von von magnetschichtspeichern gelieferten lesesignalen |
| DD124408A3 (enExample) * | 1975-04-09 | 1977-02-23 | ||
| DE2804593C2 (de) * | 1978-02-03 | 1979-09-27 | Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen | Verfahren und Anordnung zum Demodulieren eines binär codierten, phasenmodulierten Signals |
| DE2905668A1 (de) * | 1978-06-15 | 1979-12-20 | Rca Corp | Anordnung fuer das magnetische aufzeichnen eines binaercodierten signals |
-
1980
- 1980-05-14 HU HU118980A patent/HU183139B/hu not_active IP Right Cessation
-
1981
- 1981-05-12 FR FR8109408A patent/FR2482802A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2482802A1 (fr) | 1981-11-20 |
| HU183139B (en) | 1984-04-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |