FR2494061B1 - - Google Patents
Info
- Publication number
- FR2494061B1 FR2494061B1 FR8121066A FR8121066A FR2494061B1 FR 2494061 B1 FR2494061 B1 FR 2494061B1 FR 8121066 A FR8121066 A FR 8121066A FR 8121066 A FR8121066 A FR 8121066A FR 2494061 B1 FR2494061 B1 FR 2494061B1
- 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
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)
- Optical Recording Or Reproduction (AREA)
- Dc Digital Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8006165A NL8006165A (nl) | 1980-11-12 | 1980-11-12 | Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2494061A1 FR2494061A1 (fr) | 1982-05-14 |
FR2494061B1 true FR2494061B1 (US07202987-20070410-C00007.png) | 1984-11-16 |
Family
ID=19836157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8121066A Granted FR2494061A1 (fr) | 1980-11-12 | 1981-11-10 | Systeme pour la transmission d'information numerique et dispositif de codage, dispositif de decodage et porteur d'information destines audit systeme |
Country Status (18)
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8102621A (nl) * | 1981-05-29 | 1982-12-16 | Philips Nv | Inrichting voor het beschrijven en/of uitlezen van een registratiedrager. |
NL8203618A (nl) * | 1982-09-20 | 1984-04-16 | Philips Nv | Inrichting voor het uitlezen van een registratiedrager. |
NL8300961A (nl) * | 1983-03-17 | 1984-10-16 | Philips Nv | Werkwijze voor het opslaan op en weergeven van een optisch uitleesbare registratiedrager, registratiedrager voor toepassing in de werkwijze en inrichtingen voor toepassing in de werkwijze. |
US4791622A (en) * | 1983-09-19 | 1988-12-13 | Storage Technology Partners 11 | Optical data format employing resynchronizable data sectors |
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 |
NL8303859A (nl) * | 1983-11-10 | 1985-06-03 | Philips Nv | Selektief scramblen bij compact disc. |
JPS60231980A (ja) * | 1983-12-29 | 1985-11-18 | レーザー マグネテイツク ストーリツジ インターナシヨナル コンパニー | 光学記録用高密度コ−ド |
EP0295759A3 (en) * | 1984-02-08 | 1989-05-03 | Laser Magnetic Storage International Company | Apparatus for using differential data detection in write protection of an optical recorder |
US4646281A (en) * | 1984-02-08 | 1987-02-24 | Laser Magnetic Storage International Company | Read channel for an optical recorder |
US4882721A (en) * | 1984-02-08 | 1989-11-21 | Laser Magnetic Storage International Company | Offset for protection against amorphous pips |
US4707816A (en) * | 1985-03-29 | 1987-11-17 | Hitachi, Ltd. | Method and apparatus for composite wobbled and push-pull tracking servo system |
US4748609A (en) * | 1985-03-29 | 1988-05-31 | Hitachi, Ltd. | Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset |
EP0215556B1 (en) * | 1985-07-30 | 1993-01-13 | Koninklijke Philips Electronics N.V. | Record carrier and tracking signal generator circuit |
US4959823A (en) * | 1985-07-30 | 1990-09-25 | Laser Magnetic Storage International Company | Tracking and seeking system for use with an optical record carrier having a wobbled track format |
US4879708A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using wobbled pits |
US4879707A (en) * | 1985-07-30 | 1989-11-07 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems specific track formats using discontinuities |
JPS62180568A (ja) * | 1986-02-04 | 1987-08-07 | Sony Corp | デイスク状記録媒体の欠陥検出装置 |
NL8702261A (nl) * | 1987-09-23 | 1989-04-17 | Philips Nv | Informatie opteken en/of uitlees systeem, alsmede een registratiedrager en opteken en/of uitleesinrichting voor toepassing in een dergelijk systeem. |
US4881076A (en) * | 1987-12-01 | 1989-11-14 | International Business Machines Corporation | Encoding for pit-per-transition optical data recording |
US5031166A (en) * | 1988-01-25 | 1991-07-09 | Laser Magnetic Storage International Company | Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor |
US5014276A (en) * | 1989-02-06 | 1991-05-07 | Scientific Atlanta, Inc. | Convolutional encoder and sequential decoder with parallel architecture and block coding properties |
CA2039700C (en) * | 1989-08-25 | 1999-10-19 | Tamotsu Yamagami | Apparatus for reproducing recorded data and selectively either of read-only or recorded synchronization information from a magneto-optical recording medium |
US5394410A (en) * | 1992-10-30 | 1995-02-28 | International Business Machines Corporation | Differentially coded and guard pulse position modulation for communication networks |
US5424881A (en) | 1993-02-01 | 1995-06-13 | Cirrus Logic, Inc. | Synchronous read channel |
JPH06325369A (ja) * | 1993-03-08 | 1994-11-25 | Philips Electron Nv | 光学記録兼読取装置 |
CN1249054A (zh) | 1997-03-25 | 2000-03-29 | 三洋电机株式会社 | 信息再生装置和信息记录装置及基准标识检测电路 |
US7701836B2 (en) * | 2001-11-27 | 2010-04-20 | Hewlett-Packard Development Company, L.P. | Re-writable optical disk having reference clock information permanently formed on the disk |
DE10029070A1 (de) * | 2000-06-13 | 2002-01-10 | Siemens Ag | Verfahren und Anordnung zur Regelung modulierter Laser |
US7889103B2 (en) * | 2008-03-13 | 2011-02-15 | Motorola Mobility, Inc. | Method and apparatus for low complexity combinatorial coding of signals |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1175866A (en) * | 1967-06-06 | 1970-01-01 | Standard Telephones Cables Ltd | Error detection and correction equipment |
US3564557A (en) * | 1968-05-21 | 1971-02-16 | Honeywell Inc | Self-clocking recording |
US4150404A (en) * | 1975-07-08 | 1979-04-17 | U.S. Philips Corporation | Device for transferring digital information |
US4323931A (en) * | 1976-07-14 | 1982-04-06 | Sperry 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 |
IT1113847B (it) * | 1977-12-21 | 1986-01-27 | Sits Soc It Telecom Siemens | Sistema di trasmissione di segnali digitali |
NL7801042A (nl) * | 1978-01-30 | 1979-08-01 | Philips Nv | Inrichting voor het koderen/dekoderen van informatie bij gebruik van een medium. |
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
US4330799A (en) * | 1978-03-20 | 1982-05-18 | Sperry Corporation | Interleaved dipulse sequence generating apparatus for data transmission or recording channels |
DE2828219A1 (de) * | 1978-06-28 | 1980-01-10 | Bosch Gmbh Robert | Verfahren zur aufzeichnung und wiedergabe digitaler daten auf magnetspeicher |
NL7811003A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie. |
DE2850129A1 (de) * | 1978-11-18 | 1980-06-04 | Tekade Felten & Guilleaume | Schaltungsanordnung zur umwandlung von binaeren digitalsignalen in pseudoternaere wechselimpulse |
FR2448262A1 (fr) * | 1979-01-30 | 1980-08-29 | Lyonnaise Transmiss Optiques | Procede de transmission serie d'informations binaires et dispositifs pour sa mise en oeuvre |
NL7902341A (nl) * | 1979-03-26 | 1980-09-30 | Philips Nv | Werkwijze voor het demoduleren van de quadphase geco- deerd datasignaal en ontvanger voor het uitvoeren van de werkwijze. |
AU542859B2 (en) * | 1979-12-28 | 1985-03-21 | Sony Corporation | Method for digital encoding/decoding |
NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
US4337458A (en) * | 1980-02-19 | 1982-06-29 | Sperry Corporation | Data encoding method and system employing two-thirds code rate with full word look-ahead |
US4307495A (en) * | 1980-03-31 | 1981-12-29 | Charlton Sadler | Hose clamp |
US4347619A (en) * | 1980-12-19 | 1982-08-31 | Discovision Associates | Digital formatting system |
-
1980
- 1980-11-12 NL NL8006165A patent/NL8006165A/nl not_active Application Discontinuation
-
1981
- 1981-10-13 ZA ZA817074A patent/ZA817074B/xx unknown
- 1981-10-28 US US06/315,793 patent/US4464714A/en not_active Expired - Lifetime
- 1981-11-05 CA CA000389483A patent/CA1183262A/en not_active Expired
- 1981-11-06 DD DD81234686A patent/DD202076A5/de not_active IP Right Cessation
- 1981-11-09 GB GB8133709A patent/GB2088174B/en not_active Expired
- 1981-11-09 SE SE8106619A patent/SE452214B/sv not_active IP Right Cessation
- 1981-11-09 CH CH7184/81A patent/CH662440A5/de not_active IP Right Cessation
- 1981-11-09 DK DK495481A patent/DK151658C/da not_active IP Right Cessation
- 1981-11-09 AT AT0480381A patent/AT372204B/de not_active IP Right Cessation
- 1981-11-09 BR BR8107259A patent/BR8107259A/pt not_active IP Right Cessation
- 1981-11-09 NZ NZ198914A patent/NZ198914A/en unknown
- 1981-11-09 IT IT24935/81A patent/IT1140061B/it active
- 1981-11-10 ES ES506964A patent/ES8308126A1/es not_active Expired
- 1981-11-10 DE DE19813144524 patent/DE3144524A1/de active Granted
- 1981-11-10 AU AU77333/81A patent/AU552441B2/en not_active Ceased
- 1981-11-10 FR FR8121066A patent/FR2494061A1/fr active Granted
- 1981-11-12 JP JP56180458A patent/JPS57111812A/ja active Granted
-
1993
- 1993-04-02 JP JP5077077A patent/JPH0676485A/ja active Pending
- 1993-04-02 JP JP5077078A patent/JPH06104765A/ja active Pending
-
1994
- 1994-06-15 JP JP6132734A patent/JPH07169199A/ja active Pending
- 1994-06-15 JP JP6132735A patent/JPH07105728B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0676485A (ja) | 1994-03-18 |
NL8006165A (nl) | 1982-06-01 |
ES506964A0 (es) | 1983-07-01 |
AU7733381A (en) | 1982-05-20 |
NZ198914A (en) | 1985-01-31 |
SE8106619L (sv) | 1982-05-13 |
CA1183262A (en) | 1985-02-26 |
ZA817074B (en) | 1983-05-25 |
JPH07105728B2 (ja) | 1995-11-13 |
US4464714A (en) | 1984-08-07 |
JPH07147544A (ja) | 1995-06-06 |
CH662440A5 (de) | 1987-09-30 |
JPH07169199A (ja) | 1995-07-04 |
ES8308126A1 (es) | 1983-07-01 |
DD202076A5 (de) | 1983-08-24 |
AU552441B2 (en) | 1986-05-29 |
DK151658B (da) | 1987-12-21 |
DE3144524A1 (de) | 1982-07-08 |
IT1140061B (it) | 1986-09-24 |
GB2088174A (en) | 1982-06-03 |
FR2494061A1 (fr) | 1982-05-14 |
GB2088174B (en) | 1984-09-05 |
DK151658C (da) | 1988-05-30 |
ATA480381A (de) | 1983-01-15 |
JPH06104765A (ja) | 1994-04-15 |
DE3144524C2 (US07202987-20070410-C00007.png) | 1989-08-03 |
DK495481A (da) | 1982-05-13 |
JPH0557669B2 (US07202987-20070410-C00007.png) | 1993-08-24 |
SE452214B (sv) | 1987-11-16 |
AT372204B (de) | 1983-09-12 |
BR8107259A (pt) | 1982-07-27 |
JPS57111812A (en) | 1982-07-12 |
IT8124935A0 (it) | 1981-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |