IT1142044B - Sistema a disco con ridondanza di segnali - Google Patents
Sistema a disco con ridondanza di segnaliInfo
- Publication number
- IT1142044B IT1142044B IT24863/81A IT2486381A IT1142044B IT 1142044 B IT1142044 B IT 1142044B IT 24863/81 A IT24863/81 A IT 24863/81A IT 2486381 A IT2486381 A IT 2486381A IT 1142044 B IT1142044 B IT 1142044B
- Authority
- IT
- Italy
- Prior art keywords
- redundancy
- signals
- disc system
- disc
- Prior art date
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
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/204,826 US4382299A (en) | 1980-11-07 | 1980-11-07 | Disc record system employing signal redundancy |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8124863A0 IT8124863A0 (it) | 1981-11-04 |
IT1142044B true IT1142044B (it) | 1986-10-08 |
Family
ID=22759602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24863/81A IT1142044B (it) | 1980-11-07 | 1981-11-04 | Sistema a disco con ridondanza di segnali |
Country Status (6)
Country | Link |
---|---|
US (1) | US4382299A (it) |
JP (1) | JPS57123508A (it) |
DE (1) | DE3144216A1 (it) |
FR (1) | FR2494018A1 (it) |
GB (1) | GB2087627B (it) |
IT (1) | IT1142044B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4692914A (en) * | 1983-05-31 | 1987-09-08 | Canon Kabushiki Kaisha | Reproducing device for frequency modulated signals |
US4853798A (en) * | 1983-07-21 | 1989-08-01 | Sony Corporation | Method and apparatus for reproducing digital or analog signals |
DE3329601A1 (de) * | 1983-08-17 | 1985-03-07 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | System zur kompensation von signalstoerungen bei einer pcm-tonuebertragung |
NL8303061A (nl) * | 1983-09-02 | 1985-04-01 | Philips Nv | Inrichting voor het uitlezen van een optisch uitleesbare registratiedrager. |
JPS60111556U (ja) * | 1983-12-29 | 1985-07-29 | パイオニア株式会社 | 情報再生装置 |
US4752840A (en) * | 1985-06-25 | 1988-06-21 | Sharp Kabushiki Kaisha | Multitrack magnetic recording and reproducing device |
JP2681918B2 (ja) * | 1987-02-27 | 1997-11-26 | ソニー株式会社 | 情報信号の伝送装置 |
AU622626B2 (en) * | 1987-06-03 | 1992-04-16 | Sony Corporation | Method of processing data |
US4939736A (en) * | 1988-09-22 | 1990-07-03 | At&T Bell Laboratories | Protection against loss or corruption of data upon switchover of a replicated system |
GB9012538D0 (en) * | 1990-06-05 | 1990-07-25 | Philips Nv | Coding of video signals |
US5544140A (en) | 1991-02-04 | 1996-08-06 | Dolby Laboratories Licensing Corporation | Storage medium and apparatus and method for recovering information from such medium by oversampling |
JPH07141757A (ja) * | 1993-11-19 | 1995-06-02 | Pioneer Electron Corp | 情報記録方法及び情報記録再生装置 |
US5612943A (en) * | 1994-07-05 | 1997-03-18 | Moses; Robert W. | System for carrying transparent digital data within an audio signal |
US6178317B1 (en) * | 1997-10-09 | 2001-01-23 | Ibiquity Digital Corporation | System and method for mitigating intermittent interruptions in an audio radio broadcast system |
US6038658A (en) * | 1997-11-03 | 2000-03-14 | Intel Corporation | Methods and apparatus to minimize the number of stall latches in a pipeline |
US6590944B1 (en) | 1999-02-24 | 2003-07-08 | Ibiquity Digital Corporation | Audio blend method and apparatus for AM and FM in band on channel digital audio broadcasting |
US20020003765A1 (en) * | 2000-07-10 | 2002-01-10 | Masaharu Matsumoto | Signal processing device and signal processing method |
US7580488B2 (en) * | 2000-11-29 | 2009-08-25 | The Penn State Research Foundation | Broadband modulation/demodulation apparatus and a method thereof |
US8027419B2 (en) * | 2005-04-08 | 2011-09-27 | Ibiquity Digital Corporation | Method for alignment of analog and digital audio in a hybrid radio waveform |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2989595A (en) * | 1955-07-05 | 1961-06-20 | Marchant Res Inc | Superimposed recording |
NL166591C (nl) * | 1971-05-18 | 1981-08-17 | Philips Nv | Foutencorrigerend datatransmissiestelsel. |
US4001496A (en) * | 1974-06-06 | 1977-01-04 | Rca Corporation | Defect detection and compensation apparatus for use in an fm signal translating system |
US3883891A (en) * | 1974-08-22 | 1975-05-13 | Rca Corp | Redundant signal processing error reduction technique |
FR2303426A1 (fr) * | 1975-03-04 | 1976-10-01 | Thomson Brandt | Procede de protection contre les evanouissements profonds des canaux de transmission, enregistrements et appareils suivant ce procede |
US4052698A (en) * | 1975-03-17 | 1977-10-04 | Burroughs Corporation | Multi-parallel-channel error checking |
US4146099A (en) * | 1976-08-17 | 1979-03-27 | Christopher Scientific Company | Signal recording method and apparatus |
JPS5328409A (en) * | 1976-08-27 | 1978-03-16 | Mitsubishi Electric Corp | Pcm recorder/repeoducer |
US4145683A (en) * | 1977-11-02 | 1979-03-20 | Minnesota Mining And Manufacturing Company | Single track audio-digital recorder and circuit for use therein having error correction |
JPS6025818B2 (ja) * | 1977-11-21 | 1985-06-20 | 株式会社日立製作所 | Pcm方式録音機 |
US4202018A (en) * | 1978-09-27 | 1980-05-06 | Soundstream, Inc. | Apparatus and method for providing error recognition and correction of recorded digital information |
US4211997A (en) * | 1978-11-03 | 1980-07-08 | Ampex Corporation | Method and apparatus employing an improved format for recording and reproducing digital audio |
US4308557A (en) * | 1979-10-12 | 1981-12-29 | Rca Corporation | Video disc system |
-
1980
- 1980-11-07 US US06/204,826 patent/US4382299A/en not_active Expired - Lifetime
-
1981
- 1981-11-04 IT IT24863/81A patent/IT1142044B/it active
- 1981-11-05 GB GB8133363A patent/GB2087627B/en not_active Expired
- 1981-11-06 FR FR8120846A patent/FR2494018A1/fr active Pending
- 1981-11-06 JP JP56178921A patent/JPS57123508A/ja active Pending
- 1981-11-06 DE DE19813144216 patent/DE3144216A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4382299A (en) | 1983-05-03 |
FR2494018A1 (fr) | 1982-05-14 |
JPS57123508A (en) | 1982-08-02 |
DE3144216A1 (de) | 1982-06-09 |
IT8124863A0 (it) | 1981-11-04 |
GB2087627B (en) | 1984-08-22 |
GB2087627A (en) | 1982-05-26 |
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