KR830008309A - 광학적 판독성 정보조직 판독 및 서입용장치 - Google Patents
광학적 판독성 정보조직 판독 및 서입용장치 Download PDFInfo
- Publication number
- KR830008309A KR830008309A KR1019810003809A KR810003809A KR830008309A KR 830008309 A KR830008309 A KR 830008309A KR 1019810003809 A KR1019810003809 A KR 1019810003809A KR 810003809 A KR810003809 A KR 810003809A KR 830008309 A KR830008309 A KR 830008309A
- Authority
- KR
- South Korea
- Prior art keywords
- radiation
- detection system
- reading
- radiation beam
- beam source
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims 3
- 230000008520 organization Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 claims 15
- 238000001514 detection method Methods 0.000 claims 8
- 230000001154 acute effect Effects 0.000 claims 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
-
- 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
- G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
-
- 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
- G11B7/0904—Dithered tracking systems
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1, 2 및 3도는 본 발명에 따른 장치의 다양한 실시예를 도시한 도면.
Claims (4)
- 레코드 캐리어상에 트랙형태로 배열된 정보조직을 광학적으로 판독할 수 있는 판독 및 서입장치가 방사비임 공급원, 대물렌트 시스템, 조절성소자, 상자점 검출시스템을 포함하는데, 상기 방사비임 공급원이 광비임을 유출하며, 상기 대물렌즈 시스템이 정보조직 평면내의 방서점에 비임을 접속시키며, 상기 조절성소자가 트랙을 횡단하는 방향으로 방사점을 이동시키며, 상기 방사점검검출 시스템이 트랙이 대해 방사점위 위치를 결정하며, 또한 조절성 소자에 대한 제어신호 발생용 전기회로에 접속됨에 있어서, 위치검출시스템(21,22,23,24,25,26)이 조절성소자(10,30,36)의 위치를 결정하며, 상기 검출시스템의 출력이 전기회로의 입력에 접속되므로써 이 전류가 조절성소자의 위치에 관하여 교정되어지는 제어신호를 공급할 수 있음을 특징으로 하는 광학적 판독성 정보조직 판독 및 서입용 장치.
- 제1항의 청구된 바와 같은 장치 즉, 조절성 소자가 피보트될 수 있으며 부분적으로 반사작용을 하는 소자로 구성되는 장치에 있어서, 위치검출 시스템이 방사비임 공급원(35)에 의해서 방사되며 피보트 소자(36)에 의해서 전송되는 일부비임(7′)통로에 배치된 두개의 방사비임 감지검출기(24,25)를 포함하며, 상기 검출기의 출력들이 감산회로(26)에 접속되어짐을 특징으로 하는 광학적 판속성 정보조직 판독 및 서입용 장치.
- 제1항에 청구된 바와 같은 장치, 즉 조절성 소자가 부분적인 반사면이 형성된 피보트 프리즘을 포함하는 장치에 있어서, 방사비임 공급원(35)과 마주한 프리즘(30)의 면(43)이 방사비임 공급원에 의해서 방사된 비임축(7)과 예각을 이루며, 위치검출시스템이 프리즘의 상기면(43)에 의해서 반사된 일부 비임의 통로에 배치된 두개의 방사비임 감지검출기(24,25)와, 그리고 검출기의 출력들에 자신의 입력들이 접속되는 감산회로(26)을 포함함을 특징으로 하는 광학적 판독성 정보조직 판 독 및 서입용 장치.
- 제1항에 청구된 바와 같은 장치, 즉 조절성 소자가 피보트될 수 있으며, 적어도 부분적 반사소자로 구성되는 장치에 있어서, 방사비임 공급원으로부터 멀리 떨어져 있는 피보트 소자(10,30)의 면(45,34)이 반사작용을 하며, 위치검출 시스템이 보조방사비임 공급원(22)과 그리고 상기 방사공급원에 의해서 방사되며 반사면(45,34)에 의해서 반사되는 비임(42)의 통로에 배치된 두개의 방사비임 감지 검출기(24,25)를 포함하고, 상기 검출기의 출력들의 감산회로(26)의 입력들에 접속되어지며, 보조방사비임 공급원 및 검출기의 경계선이 피보트 소자의 피보트축(11)에 평행한 평면내에 배치되어짐을 특징으로 하는 광학적 판독성 정보조직 판독 및 서입용 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8005633A NL8005633A (nl) | 1980-10-13 | 1980-10-13 | Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestruktuur. |
NL8005633 | 1980-10-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830008309A true KR830008309A (ko) | 1983-11-18 |
KR900000496B1 KR900000496B1 (ko) | 1990-01-31 |
Family
ID=19836008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019810003809A KR900000496B1 (ko) | 1980-10-13 | 1981-10-08 | 광학적 판독성 정보조직 판독 및 서입용장치 |
Country Status (17)
Country | Link |
---|---|
US (1) | US4423496A (ko) |
JP (1) | JPS5794942A (ko) |
KR (1) | KR900000496B1 (ko) |
AT (1) | AT371624B (ko) |
AU (1) | AU7618181A (ko) |
BE (1) | BE890702A (ko) |
CA (1) | CA1182912A (ko) |
DD (1) | DD213543A5 (ko) |
DE (1) | DE3140349A1 (ko) |
ES (1) | ES8207369A1 (ko) |
FR (1) | FR2492144A1 (ko) |
GB (1) | GB2086092B (ko) |
HK (1) | HK98984A (ko) |
IT (1) | IT1138945B (ko) |
NL (1) | NL8005633A (ko) |
SE (1) | SE452074B (ko) |
SG (1) | SG76884G (ko) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2497378B1 (fr) * | 1980-12-29 | 1985-06-28 | Thomson Csf | Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information |
CA1190321A (en) * | 1981-10-29 | 1985-07-09 | Toshihisa Deguchi | Magneto-optical head assembly |
US4556964A (en) * | 1981-12-21 | 1985-12-03 | Burroughs Corporation | Technique for monitoring galvo angle |
US4466088A (en) * | 1981-12-21 | 1984-08-14 | Burroughs Corporation | Galvo position sensor for track selection in optical data disk system |
FR2523351B1 (fr) * | 1982-03-09 | 1989-07-13 | Thomson Csf | Tete optique dans un dispositif d'enregistrement-lecture d'un support d'information |
JPS58159248A (ja) * | 1982-03-17 | 1983-09-21 | Fujitsu Ltd | 光デイスク装置のトラツキングサ−ボ方式 |
JPS5928255A (ja) * | 1982-08-05 | 1984-02-14 | Aiwa Co Ltd | 光学式情報再生装置 |
US4564757A (en) * | 1982-09-30 | 1986-01-14 | Burroughs Corporation | Mirror position sensor for improved track selection in optical data disk system |
JPS5971141A (ja) * | 1982-10-14 | 1984-04-21 | Mitsubishi Electric Corp | 光学的信号読出し装置 |
JPS59154677A (ja) * | 1983-02-22 | 1984-09-03 | Matsushita Electric Ind Co Ltd | トラツキング制御装置 |
JPS60242524A (ja) * | 1984-05-16 | 1985-12-02 | Nippon Columbia Co Ltd | 光ピツクアツプ |
JPS60263345A (ja) * | 1984-06-12 | 1985-12-26 | Yokogawa Hokushin Electric Corp | 光メモリ装置 |
CA1255385A (en) * | 1985-01-31 | 1989-06-06 | Shigeru Arai | Track servo system for controllably projecting an optical beam to an optical disk |
EP0191467B1 (en) * | 1985-02-15 | 1991-03-27 | Hitachi, Ltd. | Optical disc apparatus |
JPS61196433A (ja) * | 1985-02-25 | 1986-08-30 | Fujitsu Ltd | トラツキング用アクチユエ−タ |
US4712887A (en) * | 1985-12-20 | 1987-12-15 | Dazar Corporation | Optical system for fast access optical data storage device |
JPS62231435A (ja) * | 1986-03-31 | 1987-10-12 | Asahi Optical Co Ltd | 光デイスク用対物レンズ駆動装置 |
NL8800133A (nl) | 1988-01-21 | 1989-08-16 | Philips Nv | Inrichting voor het met optische straling aftasten van een informatievlak. |
JPH0268735A (ja) * | 1988-09-05 | 1990-03-08 | Nippon Telegr & Teleph Corp <Ntt> | 検出装置 |
JPH02110022U (ko) * | 1989-02-21 | 1990-09-03 | ||
JPH0249222A (ja) * | 1989-05-30 | 1990-02-19 | Mitsubishi Electric Corp | 光学式ピツクアツプ装置 |
US4998011A (en) * | 1989-11-17 | 1991-03-05 | Applied Magnetics Corporation | Flat plate focus sensing apparatus |
US5245174A (en) * | 1990-10-15 | 1993-09-14 | Applied Magnetics Corporation | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity |
GB2248989B (en) * | 1990-10-15 | 1995-05-24 | Applied Magnetics Corp | Focus sensing apparatus and method |
US5331622A (en) * | 1991-05-28 | 1994-07-19 | Applied Magnetics Corporation | Compact optical head |
US5568315A (en) * | 1991-05-28 | 1996-10-22 | Discovision Associates | Optical beamsplitter |
JP2795571B2 (ja) * | 1992-01-07 | 1998-09-10 | シャープ株式会社 | 光ディスク装置 |
JP2950011B2 (ja) * | 1992-04-06 | 1999-09-20 | 松下電器産業株式会社 | ミラー駆動装置 |
JPH05334703A (ja) * | 1992-05-29 | 1993-12-17 | Matsushita Electric Ind Co Ltd | ミラー移動量検出装置 |
DE19828678A1 (de) | 1997-06-26 | 1999-01-07 | Asahi Optical Co Ltd | Optisches System für ein Laufwerk für optische Speicherplatten |
DE19828679B4 (de) | 1997-06-27 | 2004-07-08 | Pentax Corp. | Galvanospiegel-System |
DE19828689A1 (de) | 1997-06-27 | 1999-01-07 | Asahi Optical Co Ltd | Spiegelgalvanometereinheit |
US6424068B2 (en) | 1997-06-27 | 2002-07-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
JPH1186328A (ja) | 1997-09-12 | 1999-03-30 | Asahi Optical Co Ltd | 光学式情報記録再生装置 |
US6404715B1 (en) | 1997-10-06 | 2002-06-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Detecting system for detecting rotation angle of deflection mirror |
US6344917B1 (en) | 1997-10-17 | 2002-02-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
US6421156B1 (en) | 1997-10-17 | 2002-07-16 | Asahi Kogaku Kogyo Kabushiki Kaisha | Galvano mirror unit |
US6324141B2 (en) | 1997-10-24 | 2001-11-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
US6292447B1 (en) | 1997-10-24 | 2001-09-18 | Asahi Kogaku Kogyo Kabushiki Kaisha | Head for optical disc drive |
US6404485B1 (en) | 1997-10-24 | 2002-06-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Rotation amount detecting system of deflection mirror for optical disc drive |
US6333910B1 (en) | 1997-10-31 | 2001-12-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
US6341106B1 (en) | 1997-11-05 | 2002-01-22 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical disc drive |
US6278682B1 (en) | 1997-11-08 | 2001-08-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical system for optical disc drive |
US6650604B1 (en) | 1997-12-27 | 2003-11-18 | Pentax Corporation | Optical head of disk drive |
US6407975B1 (en) | 1998-03-16 | 2002-06-18 | Asahi Kogaku Kogyo Kabushiki Kaisha Of Tokyo | Optical disk drive |
EP1157379B1 (en) * | 1999-12-24 | 2008-10-08 | Koninklijke Philips Electronics N.V. | Optical scanning unit comprising a detection system for detecting the position of a movable element within the unit |
US7129473B2 (en) * | 2003-05-16 | 2006-10-31 | Olympus Corporation | Optical image pickup apparatus for imaging living body tissue |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1101796B (de) * | 1958-05-24 | 1961-03-09 | Zeiss Carl Fa | Strahlenteilungswechsler fuer Photomikroskope |
US3731098A (en) * | 1972-03-06 | 1973-05-01 | Spectrotherm Corp | Image scanner drive system |
US3772464A (en) * | 1972-04-17 | 1973-11-13 | Spectrotherm Corp | Rotating polygon mirror assembly with an interior motor |
US3931459A (en) * | 1974-02-04 | 1976-01-06 | Zenith Radio Corporation | Video disc |
JPS5146018A (ko) * | 1974-10-18 | 1976-04-20 | Victor Company Of Japan | |
NL181693C (nl) * | 1974-11-29 | 1987-10-01 | Philips Nv | Inrichting voor het langs optische weg uitlezen van een stralingsreflekterende registratiedrager. |
NL174609C (nl) * | 1975-10-15 | 1984-07-02 | Philips Nv | Volgspiegelinrichting in een optische platenspeler. |
US4100576A (en) * | 1976-04-28 | 1978-07-11 | Zenith Radio Corporation | Electromagnetic optical beam controller having an eddy current damper for arresting mechanical resonance |
GB1532345A (en) * | 1976-06-25 | 1978-11-15 | Hitachi Ltd | Information play-back apparatus |
NL7700674A (nl) * | 1977-01-24 | 1978-07-26 | Philips Nv | Electrisch bestuurbare zwenkspiegelinrichting. |
NL7810386A (nl) * | 1978-10-17 | 1980-04-21 | Philips Nv | Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager. |
JPS626580Y2 (ko) * | 1979-11-17 | 1987-02-16 | ||
JPS6215864Y2 (ko) * | 1980-08-04 | 1987-04-22 |
-
1980
- 1980-10-13 NL NL8005633A patent/NL8005633A/nl not_active Application Discontinuation
- 1980-12-10 US US06/214,938 patent/US4423496A/en not_active Expired - Lifetime
-
1981
- 1981-10-08 KR KR1019810003809A patent/KR900000496B1/ko active
- 1981-10-08 CA CA000387621A patent/CA1182912A/en not_active Expired
- 1981-10-09 FR FR8119066A patent/FR2492144A1/fr active Granted
- 1981-10-09 AU AU76181/81A patent/AU7618181A/en not_active Abandoned
- 1981-10-09 ES ES506155A patent/ES8207369A1/es not_active Expired
- 1981-10-09 SE SE8105989A patent/SE452074B/sv not_active IP Right Cessation
- 1981-10-09 GB GB8130588A patent/GB2086092B/en not_active Expired
- 1981-10-09 IT IT24438/81A patent/IT1138945B/it active
- 1981-10-10 DE DE19813140349 patent/DE3140349A1/de active Granted
- 1981-10-12 AT AT0437581A patent/AT371624B/de not_active IP Right Cessation
- 1981-10-12 DD DD81234028A patent/DD213543A5/de unknown
- 1981-10-12 BE BE0/206221A patent/BE890702A/fr not_active IP Right Cessation
- 1981-10-13 JP JP56162148A patent/JPS5794942A/ja active Pending
-
1984
- 1984-10-31 SG SG768/84A patent/SG76884G/en unknown
- 1984-12-19 HK HK989/84A patent/HK98984A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3140349A1 (de) | 1982-08-12 |
NL8005633A (nl) | 1982-05-03 |
SE8105989L (sv) | 1982-04-14 |
AU7618181A (en) | 1982-04-22 |
GB2086092A (en) | 1982-05-06 |
AT371624B (de) | 1983-07-11 |
FR2492144A1 (fr) | 1982-04-16 |
CA1182912A (en) | 1985-02-19 |
IT1138945B (it) | 1986-09-17 |
ES506155A0 (es) | 1982-09-01 |
DD213543A5 (de) | 1984-09-12 |
HK98984A (en) | 1984-12-28 |
SE452074B (sv) | 1987-11-09 |
US4423496A (en) | 1983-12-27 |
IT8124438A0 (it) | 1981-10-09 |
DE3140349C2 (ko) | 1991-12-12 |
JPS5794942A (en) | 1982-06-12 |
ATA437581A (de) | 1982-11-15 |
GB2086092B (en) | 1984-06-20 |
SG76884G (en) | 1985-04-26 |
BE890702A (fr) | 1982-04-13 |
ES8207369A1 (es) | 1982-09-01 |
KR900000496B1 (ko) | 1990-01-31 |
FR2492144B1 (ko) | 1984-02-24 |
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