KR930014333A - 레이져 디스크 플레이어의 광픽업 장치 - Google Patents
레이져 디스크 플레이어의 광픽업 장치 Download PDFInfo
- Publication number
- KR930014333A KR930014333A KR1019910025694A KR910025694A KR930014333A KR 930014333 A KR930014333 A KR 930014333A KR 1019910025694 A KR1019910025694 A KR 1019910025694A KR 910025694 A KR910025694 A KR 910025694A KR 930014333 A KR930014333 A KR 930014333A
- Authority
- KR
- South Korea
- Prior art keywords
- pickup device
- optical pickup
- disc player
- laser disc
- braid
- Prior art date
Links
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
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- 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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
- Optical Filters (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 분해 사시도.
제2도는 본 발명의 조립상태 평면도.
제3도는 종래기술의 광픽업 장치의 광학적 경로를 나타낸 원리도.
제4도는 종래의 기술로써 렌즈와 레이져 다이오드 사이에서 광축의 트러짐에 따라 나타난 주파값의 데이터 그래프.
제5도는 종래의 광학계를 도시한 작용 원리도.
* 도면의 주요부분에 대한 부호의 설명
1 : 브레이드 3 : 오프젝티브 렌즈
5 : 트래킹코일 6 : 포커싱코일
8 : 힌지 유니트 13 : 하이브리드 호로그램
14 : 판스프링 15 : 스프링 고정대
17 : 요크판 18,18' : 마그네트
19 : 요크 21 : 플렉시블 회로기판
Claims (1)
- 요크판(17)의 상면에 브레이드(1)를 설치하여 트래킹 방향과 포커싱 방향으로 이동될 수 있도록 한 레이져 디스크 플레이어의 광 픽업장치에 있어서, 상기 브레이드(1)의 전방에는 오브젝티브 렌즈(3)를 설치하고, 이의 균형을 맞출 수 있도록 하이브리드 호로그램(13)을 후방에 설치하며 중간부에는 브레이드(1)가 수평이동이 가능하도록 하기 위한 판스프링(14)이 인서트된 스프링 고정대(15)를 탄력설치 하여서 됨을 특징으로 하는 레이져 디스크 플레이어의 광픽업 장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910025694A KR950004797B1 (ko) | 1991-12-31 | 1991-12-31 | 레이져 디스크 플레이어의 광픽업 장치 |
US07/974,490 US5323378A (en) | 1991-12-31 | 1992-11-12 | Compact optical pickup |
DE4239980A DE4239980C2 (de) | 1991-12-31 | 1992-11-27 | Optischer Aufnehmer |
JP4343965A JPH05250699A (ja) | 1991-12-31 | 1992-12-24 | 光ピックアップ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910025694A KR950004797B1 (ko) | 1991-12-31 | 1991-12-31 | 레이져 디스크 플레이어의 광픽업 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930014333A true KR930014333A (ko) | 1993-07-23 |
KR950004797B1 KR950004797B1 (ko) | 1995-05-10 |
Family
ID=19327170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910025694A KR950004797B1 (ko) | 1991-12-31 | 1991-12-31 | 레이져 디스크 플레이어의 광픽업 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5323378A (ko) |
JP (1) | JPH05250699A (ko) |
KR (1) | KR950004797B1 (ko) |
DE (1) | DE4239980C2 (ko) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3279024B2 (ja) * | 1993-10-30 | 2002-04-30 | ソニー株式会社 | 光ピックアップ装置 |
JP3246140B2 (ja) * | 1993-11-16 | 2002-01-15 | ソニー株式会社 | 対物レンズ駆動装置 |
JP3319481B2 (ja) * | 1993-12-22 | 2002-09-03 | ソニー株式会社 | 対物レンズ駆動装置及びこれを利用した光ディスク装置 |
US5898652A (en) * | 1994-07-08 | 1999-04-27 | Seiko Epson Corporation | Support structure for an optical pickup |
JPH0830991A (ja) * | 1994-07-08 | 1996-02-02 | Seiko Epson Corp | 光ピックアップ装置 |
JPH08235627A (ja) * | 1995-02-28 | 1996-09-13 | Sony Corp | 光学ピックアップ装置 |
KR970017502A (ko) * | 1995-09-29 | 1997-04-30 | 배순훈 | 컴팩트 디스크 플레이어용 광 픽업 액츄에이터 |
US6147953A (en) * | 1998-03-25 | 2000-11-14 | Duncan Technologies, Inc. | Optical signal transmission apparatus |
JP2000285491A (ja) * | 1999-03-30 | 2000-10-13 | Fujitsu Ltd | 光学系駆動装置及びこれを備えた光学式記録装置 |
EP1160776A3 (en) * | 2000-05-31 | 2004-07-14 | Matsushita Electric Industrial Co., Ltd. | Optical pick-up and information recording and reproducing apparatus |
JP3529046B2 (ja) * | 2001-08-17 | 2004-05-24 | 船井電機株式会社 | 光ピックアップ |
US7006426B2 (en) | 2001-12-18 | 2006-02-28 | Stmicroelectronics, Inc. | Integrated optical unit for use with miniature optical discs |
JP3092689U (ja) * | 2002-09-10 | 2003-03-20 | 船井電機株式会社 | 光ピックアップ |
JP3881634B2 (ja) * | 2002-09-20 | 2007-02-14 | シャープ株式会社 | 光ピックアップ装置およびその調整方法 |
WO2007111034A1 (ja) * | 2006-03-29 | 2007-10-04 | Mitsubishi Electric Corporation | 光学手段駆動装置 |
JP4783671B2 (ja) * | 2006-05-24 | 2011-09-28 | 株式会社日立メディアエレクトロニクス | 光ピックアップ |
JP4524272B2 (ja) * | 2006-08-03 | 2010-08-11 | 株式会社日立メディアエレクトロニクス | 光ピックアップ |
KR20080057484A (ko) * | 2006-12-20 | 2008-06-25 | 삼성전자주식회사 | 광픽업 액츄에이터 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5864649A (ja) * | 1981-10-13 | 1983-04-18 | Matsushita Electric Ind Co Ltd | 対物レンズ駆動装置 |
US4794580A (en) * | 1985-07-12 | 1988-12-27 | Pioneer Electronic Corporation | Pickup system in optical information recording and reproducing apparatus with damped lead wires |
JPH0668843B2 (ja) * | 1985-08-16 | 1994-08-31 | ソニー株式会社 | 光学ピツクアツプ装置 |
US5001694A (en) * | 1986-05-06 | 1991-03-19 | Pencom International Corp. | Tracking and focus actuator for a holographic optical head |
JPS63195834A (ja) * | 1987-02-10 | 1988-08-12 | Pioneer Electronic Corp | 可動体支持装置 |
JPH073700B2 (ja) * | 1987-06-29 | 1995-01-18 | 三菱電機株式会社 | 光学式ヘッド装置 |
JPH01235040A (ja) * | 1988-03-14 | 1989-09-20 | Asahi Optical Co Ltd | 光情報記録再生装置の対物レンズ支持装置 |
JPH0642288B2 (ja) * | 1988-03-17 | 1994-06-01 | シャープ株式会社 | 光学式ピックアップ装置 |
JP2682087B2 (ja) * | 1988-11-22 | 1997-11-26 | ソニー株式会社 | 光学ピックアップ装置 |
JPH03100935A (ja) * | 1989-09-12 | 1991-04-25 | Hitachi Ltd | 光ピツクアツプの防塵装置 |
JP2626106B2 (ja) * | 1989-12-19 | 1997-07-02 | 松下電器産業株式会社 | 光ピックアップ装置 |
JPH04229422A (ja) * | 1990-12-27 | 1992-08-18 | Nec Corp | 光ディスク装置用対物レンズ駆動装置 |
JP3098715B2 (ja) * | 1996-08-27 | 2000-10-16 | 東京パフ株式会社 | 化粧用塗布具の製造方法及び化粧用塗布具 |
-
1991
- 1991-12-31 KR KR1019910025694A patent/KR950004797B1/ko not_active IP Right Cessation
-
1992
- 1992-11-12 US US07/974,490 patent/US5323378A/en not_active Expired - Lifetime
- 1992-11-27 DE DE4239980A patent/DE4239980C2/de not_active Expired - Fee Related
- 1992-12-24 JP JP4343965A patent/JPH05250699A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
KR950004797B1 (ko) | 1995-05-10 |
US5323378A (en) | 1994-06-21 |
DE4239980C2 (de) | 1997-12-04 |
DE4239980A1 (ko) | 1993-07-01 |
JPH05250699A (ja) | 1993-09-28 |
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Payment date: 20020429 Year of fee payment: 8 |
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