JPS60121544A - 光学系走査装置 - Google Patents

光学系走査装置

Info

Publication number
JPS60121544A
JPS60121544A JP22040684A JP22040684A JPS60121544A JP S60121544 A JPS60121544 A JP S60121544A JP 22040684 A JP22040684 A JP 22040684A JP 22040684 A JP22040684 A JP 22040684A JP S60121544 A JPS60121544 A JP S60121544A
Authority
JP
Japan
Prior art keywords
optical system
arm
coil
drive
fixed
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.)
Granted
Application number
JP22040684A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0473223B2 (enrdf_load_stackoverflow
Inventor
Toshio Sugiyama
俊夫 杉山
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP22040684A priority Critical patent/JPS60121544A/ja
Publication of JPS60121544A publication Critical patent/JPS60121544A/ja
Publication of JPH0473223B2 publication Critical patent/JPH0473223B2/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
    • G11B7/085—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
    • G11B7/08576—Swinging-arm positioners
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP22040684A 1984-10-22 1984-10-22 光学系走査装置 Granted JPS60121544A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22040684A JPS60121544A (ja) 1984-10-22 1984-10-22 光学系走査装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22040684A JPS60121544A (ja) 1984-10-22 1984-10-22 光学系走査装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP5250296A Division JP2550284B2 (ja) 1993-10-06 1993-10-06 ヘッド駆動装置

Publications (2)

Publication Number Publication Date
JPS60121544A true JPS60121544A (ja) 1985-06-29
JPH0473223B2 JPH0473223B2 (enrdf_load_stackoverflow) 1992-11-20

Family

ID=16750615

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22040684A Granted JPS60121544A (ja) 1984-10-22 1984-10-22 光学系走査装置

Country Status (1)

Country Link
JP (1) JPS60121544A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06223395A (ja) * 1993-10-06 1994-08-12 Hitachi Ltd ヘッド駆動装置
WO2002077983A1 (en) * 2001-03-21 2002-10-03 Dphi Acquisitions, Inc. Tilt focus method and mechanism for an optical drive
US6901598B1 (en) 2000-04-24 2005-05-31 Dphi Acquisitions, Inc. Tilt focus method and mechanism for an optical drive

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255423A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of information reader
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner
JPS55117745A (en) * 1979-03-01 1980-09-10 Mitsubishi Electric Corp Disk reproducing device using optical stylus
JPS5616969A (en) * 1979-06-04 1981-02-18 Microcomputer Syst Corp Head actuator assembly for fixed disk

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5255423A (en) * 1975-10-31 1977-05-06 Olympus Optical Co Ltd Information detection head of information reader
JPS52138903A (en) * 1976-05-12 1977-11-19 Philips Nv Optical scanner
JPS55117745A (en) * 1979-03-01 1980-09-10 Mitsubishi Electric Corp Disk reproducing device using optical stylus
JPS5616969A (en) * 1979-06-04 1981-02-18 Microcomputer Syst Corp Head actuator assembly for fixed disk

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06223395A (ja) * 1993-10-06 1994-08-12 Hitachi Ltd ヘッド駆動装置
JP2550284B2 (ja) * 1993-10-06 1996-11-06 株式会社日立製作所 ヘッド駆動装置
US6901598B1 (en) 2000-04-24 2005-05-31 Dphi Acquisitions, Inc. Tilt focus method and mechanism for an optical drive
US7337452B2 (en) * 2000-04-24 2008-02-26 Dphi Acquisitions, Inc. Tilt focus mechanism for an optical drive
WO2002077983A1 (en) * 2001-03-21 2002-10-03 Dphi Acquisitions, Inc. Tilt focus method and mechanism for an optical drive

Also Published As

Publication number Publication date
JPH0473223B2 (enrdf_load_stackoverflow) 1992-11-20

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