JPS51138403A - Optical recorder/reproducer - Google Patents

Optical recorder/reproducer

Info

Publication number
JPS51138403A
JPS51138403A JP50061927A JP6192775A JPS51138403A JP S51138403 A JPS51138403 A JP S51138403A JP 50061927 A JP50061927 A JP 50061927A JP 6192775 A JP6192775 A JP 6192775A JP S51138403 A JPS51138403 A JP S51138403A
Authority
JP
Japan
Prior art keywords
reproducer
optical recorder
optical
recorder
wavelength bands
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.)
Pending
Application number
JP50061927A
Other languages
Japanese (ja)
Inventor
Yuji Kiuchi
Kakuki Motoyama
Kohei Funahashi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP50061927A priority Critical patent/JPS51138403A/en
Publication of JPS51138403A publication Critical patent/JPS51138403A/en
Pending 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material

Landscapes

  • Optical Head (AREA)

Abstract

PURPOSE:To provide an optical recorder/reproducer of largely dense information quantity by recording separate signals in number of optical wavelength bands.
JP50061927A 1975-05-26 1975-05-26 Optical recorder/reproducer Pending JPS51138403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50061927A JPS51138403A (en) 1975-05-26 1975-05-26 Optical recorder/reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50061927A JPS51138403A (en) 1975-05-26 1975-05-26 Optical recorder/reproducer

Publications (1)

Publication Number Publication Date
JPS51138403A true JPS51138403A (en) 1976-11-30

Family

ID=13185270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50061927A Pending JPS51138403A (en) 1975-05-26 1975-05-26 Optical recorder/reproducer

Country Status (1)

Country Link
JP (1) JPS51138403A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122437A (en) * 1988-10-31 1990-05-10 Hitachi Ltd Optical recording medium and optical recording body as well as recording method and reading method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122437A (en) * 1988-10-31 1990-05-10 Hitachi Ltd Optical recording medium and optical recording body as well as recording method and reading method thereof

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