KR840001363A - 광학식 디스크 재생장치 - Google Patents
광학식 디스크 재생장치 Download PDFInfo
- Publication number
- KR840001363A KR840001363A KR1019820003827A KR820003827A KR840001363A KR 840001363 A KR840001363 A KR 840001363A KR 1019820003827 A KR1019820003827 A KR 1019820003827A KR 820003827 A KR820003827 A KR 820003827A KR 840001363 A KR840001363 A KR 840001363A
- Authority
- KR
- South Korea
- Prior art keywords
- optical disc
- error
- state
- detection
- correction
- Prior art date
- 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.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims 8
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000011109 contamination Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/005—Reproducing
-
- 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
-
- 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
- G11B20/1876—Interpolating methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/34—Indicating arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP81-136844 | 1981-08-31 | ||
| JP56136844A JPS5837847A (ja) | 1981-08-31 | 1981-08-31 | 光学式デイスク再生装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR840001363A true KR840001363A (ko) | 1984-04-30 |
Family
ID=15184820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019820003827A Withdrawn KR840001363A (ko) | 1981-08-31 | 1982-08-25 | 광학식 디스크 재생장치 |
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)
| 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 |
| US5485444A (en) * | 1991-06-07 | 1996-01-16 | Deustsche Thomson-Brandt Gmbh | Signalization of types of defects of an optical information carrier |
| SG48113A1 (en) * | 1991-06-07 | 1998-04-17 | Thomson Brandt Gmbh | Signalling the nature of defects in optical information carriers |
| 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 |
| KR100330291B1 (ko) * | 1993-09-29 | 2002-03-27 | 이데이 노부유끼 | 데이타 재생 방법 및 데이타 재생 장치 |
| EP1816645A1 (en) | 2006-02-02 | 2007-08-08 | Thomson Licensing S.A. | Method for controlling the quality of storage media |
| WO2007132398A2 (en) * | 2006-05-15 | 2007-11-22 | Koninklijke Philips Electronics N.V. | An optical disc reading apparatus and method therefore |
| 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)
| 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 |
| US4309721A (en) * | 1979-10-12 | 1982-01-05 | Rca Corporation | Error coding for video disc system |
| US4308557A (en) * | 1979-10-12 | 1981-12-29 | Rca Corporation | Video disc system |
-
1981
- 1981-08-31 JP JP56136844A patent/JPS5837847A/ja active Granted
-
1982
- 1982-08-24 CA CA000410037A patent/CA1192306A/en not_active Expired
- 1982-08-25 KR KR1019820003827A patent/KR840001363A/ko not_active Withdrawn
- 1982-08-25 AU AU87714/82A patent/AU558622B2/en not_active Ceased
- 1982-08-30 US US06/413,215 patent/US4519058A/en not_active Expired - Fee Related
- 1982-08-31 EP EP82108012A patent/EP0073519B1/en not_active Expired
- 1982-08-31 DE DE8282108012T patent/DE3279191D1/de not_active Expired
- 1982-08-31 AT AT82108012T patent/ATE38446T1/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU8771482A (en) | 1983-03-10 |
| EP0073519A3 (en) | 1984-08-22 |
| US4519058A (en) | 1985-05-21 |
| JPS5837847A (ja) | 1983-03-05 |
| CA1192306A (en) | 1985-08-20 |
| DE3279191D1 (en) | 1988-12-08 |
| JPH0353695B2 (enExample) | 1991-08-15 |
| AU558622B2 (en) | 1987-02-05 |
| ATE38446T1 (de) | 1988-11-15 |
| EP0073519A2 (en) | 1983-03-09 |
| EP0073519B1 (en) | 1988-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19820825 |
|
| PG1501 | Laying open of application | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19870824 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19820825 Comment text: Patent Application |
|
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19880419 Patent event code: PE09021S01D |
|
| PE0601 | Decision on rejection of patent |
Patent event date: 19881006 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 19880419 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |
|
| PC1205 | Withdrawal of application forming a basis of a converted application |