JPS6223377B2 - - Google Patents

Info

Publication number
JPS6223377B2
JPS6223377B2 JP56102682A JP10268281A JPS6223377B2 JP S6223377 B2 JPS6223377 B2 JP S6223377B2 JP 56102682 A JP56102682 A JP 56102682A JP 10268281 A JP10268281 A JP 10268281A JP S6223377 B2 JPS6223377 B2 JP S6223377B2
Authority
JP
Japan
Prior art keywords
coil
track
focus control
magnetic circuit
information processing
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
Application number
JP56102682A
Other languages
English (en)
Japanese (ja)
Other versions
JPS583142A (ja
Inventor
Haruhisa Takiguchi
Yukio Kurata
Kaneki Matsui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP10268281A priority Critical patent/JPS583142A/ja
Publication of JPS583142A publication Critical patent/JPS583142A/ja
Publication of JPS6223377B2 publication Critical patent/JPS6223377B2/ja
Granted legal-status Critical Current

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
    • 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
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • G11B7/08582—Sled-type positioners

Landscapes

  • Moving Of Heads (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP10268281A 1981-06-30 1981-06-30 光学式情報処理装置 Granted JPS583142A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10268281A JPS583142A (ja) 1981-06-30 1981-06-30 光学式情報処理装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10268281A JPS583142A (ja) 1981-06-30 1981-06-30 光学式情報処理装置

Publications (2)

Publication Number Publication Date
JPS583142A JPS583142A (ja) 1983-01-08
JPS6223377B2 true JPS6223377B2 (enrdf_load_stackoverflow) 1987-05-22

Family

ID=14333999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10268281A Granted JPS583142A (ja) 1981-06-30 1981-06-30 光学式情報処理装置

Country Status (1)

Country Link
JP (1) JPS583142A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0295482U (enrdf_load_stackoverflow) * 1989-01-12 1990-07-30

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS616057U (ja) * 1984-06-19 1986-01-14 エヌオーケー株式会社 チエ−ンテンシヨナ
JPH0329709Y2 (enrdf_load_stackoverflow) * 1985-07-19 1991-06-25
JPH0531692Y2 (enrdf_load_stackoverflow) * 1985-12-14 1993-08-16
JPH0719382B2 (ja) * 1986-08-20 1995-03-06 沖電気工業株式会社 対物レンズ駆動装置
JPH01282738A (ja) * 1989-03-15 1989-11-14 Sanyo Electric Co Ltd ピックアップ移送装置
EP0595785B1 (en) * 1989-06-13 1995-12-27 Kabushiki Kaisha Toshiba Electro-magnetic actuator and optical disk
FR2670940A1 (fr) * 1990-12-21 1992-06-26 Atg Sa Perfectionnement au dispositif d'acces et d'asservissement pour disque optique.
US5491684A (en) * 1993-04-02 1996-02-13 Matsushita Electric Industrial Co., Ltd. Optical disk unit
US5690569A (en) * 1996-03-13 1997-11-25 Borg-Warner Automotive, Inc. Single piece reinforced chain guide
US5813935A (en) * 1996-07-23 1998-09-29 Borg-Warner Automotive, Inc. Chain guide with extruded wear face
US5846150A (en) * 1997-03-21 1998-12-08 Borg-Warner Automotive, Inc. Guide posts for guiding and damping chain movement
DE102005011310B4 (de) * 2005-03-08 2008-10-23 Börner Kunststoff- und Metallwarenfabrik GmbH Mehrfachreibe
JP4861799B2 (ja) * 2006-11-27 2012-01-25 川嶋工業株式会社 手動スライサー用の押さえ具

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5494007A (en) * 1978-01-05 1979-07-25 Olympus Optical Co Ltd Pickup for disc recorder recorded optically with information
FR2443734A1 (fr) * 1978-12-08 1980-07-04 Thomson Csf Dispositif d'acces a une piste portee par un support enregistrable ou lisible optiquement et systeme optique comportant un tel dispositif

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0295482U (enrdf_load_stackoverflow) * 1989-01-12 1990-07-30

Also Published As

Publication number Publication date
JPS583142A (ja) 1983-01-08

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