FR2455401B1 - - Google Patents
Info
- Publication number
- FR2455401B1 FR2455401B1 FR8009163A FR8009163A FR2455401B1 FR 2455401 B1 FR2455401 B1 FR 2455401B1 FR 8009163 A FR8009163 A FR 8009163A FR 8009163 A FR8009163 A FR 8009163A FR 2455401 B1 FR2455401 B1 FR 2455401B1
- 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
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- 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)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Dc Digital Transmission (AREA)
- Optical Recording Or Reproduction (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5097679A JPS55141852A (en) | 1979-04-24 | 1979-04-24 | Data converting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2455401A1 FR2455401A1 (fr) | 1980-11-21 |
| FR2455401B1 true FR2455401B1 (forum.php) | 1983-12-09 |
Family
ID=12873834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8009163A Granted FR2455401A1 (fr) | 1979-04-24 | 1980-04-23 | Procede et appareil pour moduler un signal de donnees |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4358852A (forum.php) |
| JP (1) | JPS55141852A (forum.php) |
| AU (1) | AU538135B2 (forum.php) |
| CA (1) | CA1160751A (forum.php) |
| DE (1) | DE3015849A1 (forum.php) |
| FR (1) | FR2455401A1 (forum.php) |
| GB (1) | GB2049371B (forum.php) |
| NL (1) | NL8002390A (forum.php) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57132461A (en) * | 1981-02-09 | 1982-08-16 | Sony Corp | Converter for binary data code |
| JPS57195308A (en) * | 1981-05-26 | 1982-12-01 | Sony Corp | Block coding method |
| US4544962A (en) * | 1981-07-06 | 1985-10-01 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for processing binary data |
| US4468789A (en) * | 1981-11-16 | 1984-08-28 | The United States Of America As Represented By The Director Of The National Security Agency | Method for serial transmission and receipt of binary information |
| JPS59181759A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | ディジタル符号変換方式 |
| GB2141906A (en) * | 1983-06-20 | 1985-01-03 | Indep Broadcasting Authority | Recording of digital information |
| DE3416547C2 (de) * | 1983-10-13 | 1994-10-06 | Philips Nv | Aufzeichnungsträger mit Symbolen mit einer vorgegebenen Anzahl von Symbolstellen und optische Aufzeichnungsvorrichtung |
| US4802154A (en) * | 1983-10-13 | 1989-01-31 | Laser Magnetic Storage International Company | High density codes for optical recording |
| US4598326A (en) * | 1983-10-18 | 1986-07-01 | Honeywell Inc. | Digital recording apparatus with disparity reducing encoder |
| US4582345A (en) * | 1984-05-10 | 1986-04-15 | Kehoe Terrence F | Security device for sheet material and method of marking the device |
| DE3587535T2 (de) * | 1984-10-01 | 1994-01-20 | Matsushita Electric Ind Co Ltd | Verfahren und Vorrichtung zur numerischen Datenkodierung. |
| US4771462A (en) * | 1987-02-18 | 1988-09-13 | Hannan Forrest A | Communication port encryption/decryption method and apparatus |
| US4878246A (en) * | 1988-05-02 | 1989-10-31 | Pitney Bowes Inc. | Method and apparatus for generating encryption/decryption key |
| US5016258A (en) * | 1988-06-10 | 1991-05-14 | Matsushita Electric Industrial Co., Ltd. | Digital modulator and demodulator |
| JPH0233221A (ja) * | 1988-07-22 | 1990-02-02 | Matsushita Electric Ind Co Ltd | コード変換装置と復号装置 |
| US5206646A (en) * | 1989-10-31 | 1993-04-27 | Sony Corporation | Digital modulating method |
| US5034741A (en) * | 1990-03-22 | 1991-07-23 | United Technologies Corporation | Variable length bit patterns for data representation |
| US6284472B1 (en) | 1998-10-05 | 2001-09-04 | Dade Behring Inc. | Method for extending the range of an immunoassay |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506961A (en) * | 1966-08-15 | 1970-04-14 | American Computer Commun | Adaptively coded data communications system |
| US3870870A (en) * | 1971-07-29 | 1975-03-11 | Potter Instrument Co Inc | Decoder for high density decoding system |
| DE2444218C2 (de) | 1974-09-16 | 1976-10-14 | Siemens Ag | Verfahren und anordnung zum darstellen von digitalen daten durch binaersignale |
| 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 |
| US3996613A (en) * | 1975-10-21 | 1976-12-07 | Sperry Rand Corporation | Data recording and transmission apparatus utilizing non-consecutive zero coding |
| CA1122711A (en) * | 1976-07-14 | 1982-04-27 | Sperry Rand Corporation | Method and apparatus for encoding and recovering binary digital data |
| US4216460A (en) * | 1977-07-14 | 1980-08-05 | Independent Broadcasting Authority | Transmission and/or recording of digital signals |
| US4261019A (en) * | 1979-11-29 | 1981-04-07 | Micropolis Corporation | Compatible digital magnetic recording system |
-
1979
- 1979-04-24 JP JP5097679A patent/JPS55141852A/ja active Pending
-
1980
- 1980-04-21 US US06/142,030 patent/US4358852A/en not_active Expired - Lifetime
- 1980-04-22 AU AU57695/80A patent/AU538135B2/en not_active Ceased
- 1980-04-23 FR FR8009163A patent/FR2455401A1/fr active Granted
- 1980-04-23 CA CA000350478A patent/CA1160751A/en not_active Expired
- 1980-04-24 NL NL8002390A patent/NL8002390A/nl not_active Application Discontinuation
- 1980-04-24 DE DE19803015849 patent/DE3015849A1/de not_active Withdrawn
- 1980-04-24 GB GB8013553A patent/GB2049371B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU5769580A (en) | 1980-10-30 |
| AU538135B2 (en) | 1984-08-02 |
| GB2049371A (en) | 1980-12-17 |
| FR2455401A1 (fr) | 1980-11-21 |
| US4358852A (en) | 1982-11-09 |
| NL8002390A (nl) | 1980-10-28 |
| DE3015849A1 (de) | 1980-11-06 |
| CA1160751A (en) | 1984-01-17 |
| JPS55141852A (en) | 1980-11-06 |
| GB2049371B (en) | 1983-11-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |