JPH0413775B2 - - Google Patents

Info

Publication number
JPH0413775B2
JPH0413775B2 JP57208082A JP20808282A JPH0413775B2 JP H0413775 B2 JPH0413775 B2 JP H0413775B2 JP 57208082 A JP57208082 A JP 57208082A JP 20808282 A JP20808282 A JP 20808282A JP H0413775 B2 JPH0413775 B2 JP H0413775B2
Authority
JP
Japan
Prior art keywords
optical
disk
laser
attached
light
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 - Lifetime
Application number
JP57208082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5998328A (ja
Inventor
Kenji Torasawa
Yasuhiro Ishii
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
Priority to JP57208082A priority Critical patent/JPS5998328A/ja
Publication of JPS5998328A publication Critical patent/JPS5998328A/ja
Publication of JPH0413775B2 publication Critical patent/JPH0413775B2/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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Head (AREA)
JP57208082A 1982-11-26 1982-11-26 光学再生装置 Granted JPS5998328A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57208082A JPS5998328A (ja) 1982-11-26 1982-11-26 光学再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57208082A JPS5998328A (ja) 1982-11-26 1982-11-26 光学再生装置

Publications (2)

Publication Number Publication Date
JPS5998328A JPS5998328A (ja) 1984-06-06
JPH0413775B2 true JPH0413775B2 (enrdf_load_stackoverflow) 1992-03-10

Family

ID=16550339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57208082A Granted JPS5998328A (ja) 1982-11-26 1982-11-26 光学再生装置

Country Status (1)

Country Link
JP (1) JPS5998328A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5998328A (ja) 1984-06-06

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