JPH0361255B2 - - Google Patents
Info
- Publication number
- JPH0361255B2 JPH0361255B2 JP57051234A JP5123482A JPH0361255B2 JP H0361255 B2 JPH0361255 B2 JP H0361255B2 JP 57051234 A JP57051234 A JP 57051234A JP 5123482 A JP5123482 A JP 5123482A JP H0361255 B2 JPH0361255 B2 JP H0361255B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- laser beam
- time
- light receiving
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 32
- 238000001514 detection method Methods 0.000 claims description 14
- 238000005070 sampling Methods 0.000 claims description 11
- 230000003111 delayed effect Effects 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 11
- 239000002184 metal Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000010365 information processing Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- 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
-
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
- G11B7/0903—Multi-beam tracking systems
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57051234A JPS58169350A (ja) | 1982-03-31 | 1982-03-31 | 光学的情報記録再生装置 |
US06/479,894 US4550394A (en) | 1982-03-31 | 1983-03-29 | System for optically recording information |
EP83103169A EP0090420B1 (en) | 1982-03-31 | 1983-03-30 | Device for optically recording and reading of information |
DE8383103169T DE3369220D1 (en) | 1982-03-31 | 1983-03-30 | Device for optically recording and reading of information |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57051234A JPS58169350A (ja) | 1982-03-31 | 1982-03-31 | 光学的情報記録再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58169350A JPS58169350A (ja) | 1983-10-05 |
JPH0361255B2 true JPH0361255B2 (US08124630-20120228-C00152.png) | 1991-09-19 |
Family
ID=12881250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57051234A Granted JPS58169350A (ja) | 1982-03-31 | 1982-03-31 | 光学的情報記録再生装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4550394A (US08124630-20120228-C00152.png) |
EP (1) | EP0090420B1 (US08124630-20120228-C00152.png) |
JP (1) | JPS58169350A (US08124630-20120228-C00152.png) |
DE (1) | DE3369220D1 (US08124630-20120228-C00152.png) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8303564A (nl) * | 1983-10-17 | 1985-05-17 | Philips Nv | Inrichting voor het weergeven van informatie van een optisch uitleesbare registratiedrager. |
JPS60219679A (ja) * | 1984-04-13 | 1985-11-02 | Mitsubishi Electric Corp | 情報記録装置 |
JPS60261043A (ja) * | 1984-06-07 | 1985-12-24 | Victor Co Of Japan Ltd | 情報記録媒体円盤 |
JPH01263946A (ja) * | 1988-04-14 | 1989-10-20 | Canon Inc | 光学式情報記録再生装置のトラッキング機構 |
US5216643A (en) * | 1988-09-20 | 1993-06-01 | Hewlett-Packard Company | Rotary arm and optical head for a magneto-optic disk drive |
JPH0567375A (ja) * | 1990-08-07 | 1993-03-19 | Ricoh Co Ltd | 記録再生タイミング発生装置 |
JP3887480B2 (ja) * | 1998-03-20 | 2007-02-28 | パイオニア株式会社 | プリピット検出装置 |
KR20050072105A (ko) * | 2002-10-14 | 2005-07-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 정보 기록 및/또는 재생 방법 및 장치 |
US9236852B2 (en) * | 2012-02-01 | 2016-01-12 | Microchip Technology Incorporated | Input capture peripheral with gating logic |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5289852A (en) * | 1975-12-18 | 1977-07-28 | Borg Warner | Heat exchanger having integral surge tank |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7315419A (nl) * | 1973-11-10 | 1975-05-13 | Philips Nv | Inrichting voor het uitlezen van een schijfvor- mige registratiedrager. |
JPS52141608A (en) * | 1976-05-20 | 1977-11-26 | Sony Corp | Information detector |
JPS54146613A (en) * | 1978-05-10 | 1979-11-16 | Hitachi Ltd | Optical head |
US4243850A (en) * | 1979-02-07 | 1981-01-06 | Eastman Kodak Company | Apparatus for tracking a record track on a video disc |
JPS5642248A (en) * | 1979-09-14 | 1981-04-20 | Canon Inc | Light source device |
JPS6048809B2 (ja) * | 1979-10-16 | 1985-10-29 | パイオニアビデオ株式会社 | 情報読取装置におけるトラッキングサ−ボ引込装置 |
JPS626580Y2 (US08124630-20120228-C00152.png) * | 1979-11-17 | 1987-02-16 | ||
NL8001974A (nl) * | 1980-04-03 | 1981-11-02 | Philips Nv | Spoorvolginrichting. |
JPS5753832A (en) * | 1980-09-12 | 1982-03-31 | Olympus Optical Co Ltd | Method and device for recording of optical information |
US4414655A (en) * | 1981-03-31 | 1983-11-08 | Discovision Associates | Scanning beam control system |
US4443870A (en) * | 1981-10-15 | 1984-04-17 | Burroughs Corporation | Optical memory system providing track following |
-
1982
- 1982-03-31 JP JP57051234A patent/JPS58169350A/ja active Granted
-
1983
- 1983-03-29 US US06/479,894 patent/US4550394A/en not_active Expired - Lifetime
- 1983-03-30 DE DE8383103169T patent/DE3369220D1/de not_active Expired
- 1983-03-30 EP EP83103169A patent/EP0090420B1/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5289852A (en) * | 1975-12-18 | 1977-07-28 | Borg Warner | Heat exchanger having integral surge tank |
Also Published As
Publication number | Publication date |
---|---|
DE3369220D1 (en) | 1987-02-19 |
US4550394A (en) | 1985-10-29 |
JPS58169350A (ja) | 1983-10-05 |
EP0090420A1 (en) | 1983-10-05 |
EP0090420B1 (en) | 1987-01-14 |
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