CN1064774C - 光学拾取装置 - Google Patents

光学拾取装置 Download PDF

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Publication number
CN1064774C
CN1064774C CN95118275A CN95118275A CN1064774C CN 1064774 C CN1064774 C CN 1064774C CN 95118275 A CN95118275 A CN 95118275A CN 95118275 A CN95118275 A CN 95118275A CN 1064774 C CN1064774 C CN 1064774C
Authority
CN
China
Prior art keywords
signal
connector
object lens
optical system
light beam
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 - Fee Related
Application number
CN95118275A
Other languages
English (en)
Chinese (zh)
Other versions
CN1139262A (zh
Inventor
吉永千佳士
中里康弘
大久保辰夫
佐野正二
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1139262A publication Critical patent/CN1139262A/zh
Application granted granted Critical
Publication of CN1064774C publication Critical patent/CN1064774C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
CN95118275A 1994-11-29 1995-11-10 光学拾取装置 Expired - Fee Related CN1064774C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP295418/94 1994-11-29
JP295418/1994 1994-11-29
JP6295418A JPH08153333A (ja) 1994-11-29 1994-11-29 光ピックアップ装置

Publications (2)

Publication Number Publication Date
CN1139262A CN1139262A (zh) 1997-01-01
CN1064774C true CN1064774C (zh) 2001-04-18

Family

ID=17820354

Family Applications (1)

Application Number Title Priority Date Filing Date
CN95118275A Expired - Fee Related CN1064774C (zh) 1994-11-29 1995-11-10 光学拾取装置

Country Status (3)

Country Link
JP (1) JPH08153333A (ko)
KR (1) KR100420906B1 (ko)
CN (1) CN1064774C (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI238363B (en) * 2004-06-28 2005-08-21 Benq Corp Flexible flat circuit structure for disc drive

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63300489A (ja) * 1987-05-29 1988-12-07 Sanyo Electric Co Ltd ピックアップ配線機構
JPH03116444A (ja) * 1989-09-28 1991-05-17 Toshiba Corp 光ディスク装置
US5311497A (en) * 1991-09-30 1994-05-10 Sony Corporation Pickup feeding apparatus for a double-sided reproducing disc player
JP3116444B2 (ja) * 1991-09-03 2000-12-11 セイコーエプソン株式会社 半導体計算装置および電子機器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2963485B2 (ja) * 1990-03-09 1999-10-18 シャープ株式会社 光ピックアップ装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63300489A (ja) * 1987-05-29 1988-12-07 Sanyo Electric Co Ltd ピックアップ配線機構
JPH03116444A (ja) * 1989-09-28 1991-05-17 Toshiba Corp 光ディスク装置
JP3116444B2 (ja) * 1991-09-03 2000-12-11 セイコーエプソン株式会社 半導体計算装置および電子機器
US5311497A (en) * 1991-09-30 1994-05-10 Sony Corporation Pickup feeding apparatus for a double-sided reproducing disc player

Also Published As

Publication number Publication date
KR960019137A (ko) 1996-06-17
JPH08153333A (ja) 1996-06-11
KR100420906B1 (ko) 2004-05-22
CN1139262A (zh) 1997-01-01

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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee