JPS54106208A - Cleaner for automatic focusing device of optical information recording and reproducing apparatus - Google Patents

Cleaner for automatic focusing device of optical information recording and reproducing apparatus

Info

Publication number
JPS54106208A
JPS54106208A JP1319378A JP1319378A JPS54106208A JP S54106208 A JPS54106208 A JP S54106208A JP 1319378 A JP1319378 A JP 1319378A JP 1319378 A JP1319378 A JP 1319378A JP S54106208 A JPS54106208 A JP S54106208A
Authority
JP
Japan
Prior art keywords
recording
reproducing apparatus
optical information
information recording
automatic focusing
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
JP1319378A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224857B2 (enExample
Inventor
Yasuhisa Fukushima
Tomio Yoshida
Yoshikazu Goto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP1319378A priority Critical patent/JPS54106208A/ja
Publication of JPS54106208A publication Critical patent/JPS54106208A/ja
Publication of JPS6224857B2 publication Critical patent/JPS6224857B2/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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP1319378A 1978-02-07 1978-02-07 Cleaner for automatic focusing device of optical information recording and reproducing apparatus Granted JPS54106208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1319378A JPS54106208A (en) 1978-02-07 1978-02-07 Cleaner for automatic focusing device of optical information recording and reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1319378A JPS54106208A (en) 1978-02-07 1978-02-07 Cleaner for automatic focusing device of optical information recording and reproducing apparatus

Publications (2)

Publication Number Publication Date
JPS54106208A true JPS54106208A (en) 1979-08-21
JPS6224857B2 JPS6224857B2 (enExample) 1987-05-30

Family

ID=11826318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1319378A Granted JPS54106208A (en) 1978-02-07 1978-02-07 Cleaner for automatic focusing device of optical information recording and reproducing apparatus

Country Status (1)

Country Link
JP (1) JPS54106208A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165740U (ja) * 1981-12-26 1983-11-04 三菱電機株式会社 光ビツクアツプ装置
WO2006106819A1 (ja) * 2005-03-31 2006-10-12 Pioneer Corporation 記録媒体再生装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6805112B2 (ja) 2017-11-08 2020-12-23 株式会社東芝 対話システム、対話方法および対話プログラム
JP2019215728A (ja) * 2018-06-13 2019-12-19 キヤノン株式会社 情報処理装置、情報処理方法及びプログラム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165740U (ja) * 1981-12-26 1983-11-04 三菱電機株式会社 光ビツクアツプ装置
WO2006106819A1 (ja) * 2005-03-31 2006-10-12 Pioneer Corporation 記録媒体再生装置
JPWO2006106819A1 (ja) * 2005-03-31 2008-11-20 パイオニア株式会社 記録媒体再生装置

Also Published As

Publication number Publication date
JPS6224857B2 (enExample) 1987-05-30

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