ATE38446T1 - Optischer plattenspieler. - Google Patents

Optischer plattenspieler.

Info

Publication number
ATE38446T1
ATE38446T1 AT82108012T AT82108012T ATE38446T1 AT E38446 T1 ATE38446 T1 AT E38446T1 AT 82108012 T AT82108012 T AT 82108012T AT 82108012 T AT82108012 T AT 82108012T AT E38446 T1 ATE38446 T1 AT E38446T1
Authority
AT
Austria
Prior art keywords
audio signal
digital audio
error correcting
disc
flag data
Prior art date
Application number
AT82108012T
Other languages
German (de)
English (en)
Inventor
Katsuaki Tsurushima
Rsuneo Furuya
Tadashi C O Bukko Danch Fukami
Original Assignee
Sony Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE38446T1 publication Critical patent/ATE38446T1/de

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1876Interpolating methods
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34Indicating arrangements 
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36Monitoring, i.e. supervising the progress of recording or reproducing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Holo Graphy (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
AT82108012T 1981-08-31 1982-08-31 Optischer plattenspieler. ATE38446T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56136844A JPS5837847A (ja) 1981-08-31 1981-08-31 光学式デイスク再生装置
EP82108012A EP0073519B1 (en) 1981-08-31 1982-08-31 Optical disc player

Publications (1)

Publication Number Publication Date
ATE38446T1 true ATE38446T1 (de) 1988-11-15

Family

ID=15184820

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82108012T ATE38446T1 (de) 1981-08-31 1982-08-31 Optischer plattenspieler.

Country Status (8)

Country Link
US (1) US4519058A (enExample)
EP (1) EP0073519B1 (enExample)
JP (1) JPS5837847A (enExample)
KR (1) KR840001363A (enExample)
AT (1) ATE38446T1 (enExample)
AU (1) AU558622B2 (enExample)
CA (1) CA1192306A (enExample)
DE (1) DE3279191D1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59165207A (ja) * 1983-03-11 1984-09-18 Hitachi Ltd 情報記録方式
NL8303061A (nl) * 1983-09-02 1985-04-01 Philips Nv Inrichting voor het uitlezen van een optisch uitleesbare registratiedrager.
NL8303562A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager.
DE3341628A1 (de) * 1983-11-17 1985-05-30 Polygram Gmbh, 2000 Hamburg Geraeteanordnung zur fehlerermittlung bei plattenfoermigen informationstraegern
JPS60161428U (ja) * 1983-11-30 1985-10-26 日本エアー・フイルター株式会社 フイルタ−組立体
US5247505A (en) * 1985-04-17 1993-09-21 Canon Kabushiki Kaisha Information recording method for reciprocally recording and verifying information
JPH0756734B2 (ja) * 1985-05-27 1995-06-14 松下電器産業株式会社 情報記録再生装置
CA1320268C (en) * 1986-09-10 1993-07-13 Wataru Sakagami Information record medium having an area for recording information indicating logical erasure of data and method for recording information on the same
JPH0770173B2 (ja) * 1987-03-06 1995-07-31 松下電器産業株式会社 情報記録再生装置
WO1992022064A1 (de) * 1991-06-07 1992-12-10 Deutsche Thomson-Brandt Gmbh Fehlerartsignalisation optischer informationsträger
US5485444A (en) * 1991-06-07 1996-01-16 Deustsche Thomson-Brandt Gmbh Signalization of types of defects of an optical information carrier
NL9200397A (nl) * 1992-03-04 1993-10-01 Philips Nv Informatie-optekeninrichting.
US5812506A (en) * 1992-04-10 1998-09-22 Wea Manufacturing, Inc. System and methods for measuring and correcting for overshoot in a high frequency (HF) signal generated by a compact disc player during testing of a compact disc
JP3336581B2 (ja) * 1992-10-19 2002-10-21 富士写真フイルム株式会社 追記型光ディスクの媒体検査方法およびシステム
DE69427685T2 (de) * 1993-09-29 2002-04-25 Sony Corp., Tokio/Tokyo Verfahren und vorrichtung zur datenwiedergabe
EP1816645A1 (en) 2006-02-02 2007-08-08 Thomson Licensing S.A. Method for controlling the quality of storage media
CN101449329B (zh) * 2006-05-15 2011-06-08 皇家飞利浦电子股份有限公司 光盘读取设备及其方法
US7791994B2 (en) * 2008-05-29 2010-09-07 Mediatek Inc. Apparatus and method for demodulating input signal modulated from reference signal and data signal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585619A (en) * 1969-01-14 1971-06-15 Mohawk Data Sciences Corp Magnetic tape readout system with means to generate artificial signals
DE2326898A1 (de) * 1973-05-25 1974-12-12 Polygram Gmbh Verfahren und schaltungsanordnung zur ermittlung und kompensation von stoerungen bei der optoelektrischen wiedergabe von auf einem plattenfoermigen informationstraeger aufgezeichneten audio- und/oder videosignalen
US4145758A (en) * 1977-10-25 1979-03-20 Drexler Technology Corporation Error checking method and apparatus for digital data in optical recording systems
DE2851822C2 (de) * 1978-11-30 1986-01-16 Polygram Gmbh, 2000 Hamburg Verfahren zur Fehlerbewertung bei auf rotierenden Informationsträgern in Spiralspuren eingespeicherten Signalen und Schaltungsanordnung zur Durchführung des Verfahrens
US4308557A (en) * 1979-10-12 1981-12-29 Rca Corporation Video disc system
US4309721A (en) * 1979-10-12 1982-01-05 Rca Corporation Error coding for video disc system

Also Published As

Publication number Publication date
KR840001363A (ko) 1984-04-30
JPS5837847A (ja) 1983-03-05
AU8771482A (en) 1983-03-10
EP0073519A2 (en) 1983-03-09
EP0073519B1 (en) 1988-11-02
DE3279191D1 (en) 1988-12-08
JPH0353695B2 (enExample) 1991-08-15
AU558622B2 (en) 1987-02-05
EP0073519A3 (en) 1984-08-22
US4519058A (en) 1985-05-21
CA1192306A (en) 1985-08-20

Similar Documents

Publication Publication Date Title
ATE38446T1 (de) Optischer plattenspieler.
AU610078B2 (en) Method and apparatus for error correction
EP0138246B1 (en) Disc playback apparatus
SU1505451A3 (ru) Устройство дл декодировани информации с исправлением ошибок
MY115663A (en) Apparatus and method for decoding a coded digital signal
ATE78383T1 (de) Anordnung zur dekodierung eines fehler korrigierenden codes.
CA2369987A1 (en) The copy protection of digital audio compact discs
KR840003875A (ko) 디지탈 오디오 디스크장치
US5453964A (en) Data processing circuit for disc player
FR2391525A1 (fr) Procede et dispositif d'enregistrement de signaux stereophoniques sur un magnetoscope
DE3381305D1 (de) Fehlerkorrektur in digitalen fernsehsignalen.
EP0268454A3 (en) Optical disk recording and reproducing device
EP0472415B1 (en) Error correction encoding apparatus
EP0707315A2 (en) Data playback
JPS62107473A (ja) Pcmテ−プレコ−ダの録音時サブコ−ド情報取入方法
JPS5799881A (en) Pcm signal transmitter
JP2656915B2 (ja) エラー訂正装置
JP2664661B2 (ja) エラー訂正装置
JPS558624A (en) Signal recording and reproducing system
SE8006983L (sv) Felkod for videoskivsystem
JPS6442028A (en) Composite disk
KR940002472B1 (ko) 컴팩트 디스크 플레이어의 버퍼 메모리 어드레스 생성장치 및 방법
JPH0782710B2 (ja) デイスク再生装置
JPS52102015A (en) Checking system for multitrack magnetic recorder/reproducer
KR970029689A (ko) 디스크 상태 표시방법 및 이 기능을 가진 광디스크 재생장치

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee