JPS53147503A - Track access system - Google Patents

Track access system

Info

Publication number
JPS53147503A
JPS53147503A JP6180077A JP6180077A JPS53147503A JP S53147503 A JPS53147503 A JP S53147503A JP 6180077 A JP6180077 A JP 6180077A JP 6180077 A JP6180077 A JP 6180077A JP S53147503 A JPS53147503 A JP S53147503A
Authority
JP
Japan
Prior art keywords
access system
track access
signals
track
recorded
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
JP6180077A
Other languages
Japanese (ja)
Inventor
Fumio Kishino
Susumu Yonezawa
Takeshi Yamazaki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6180077A priority Critical patent/JPS53147503A/en
Publication of JPS53147503A publication Critical patent/JPS53147503A/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
    • G11B7/08—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

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To enable high speed accurate track access at reproduction time by inserting the signals to be recorded and track discriminating signals in the outside of the frequency band thereby forming tracks at the recording.
JP6180077A 1977-05-27 1977-05-27 Track access system Pending JPS53147503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6180077A JPS53147503A (en) 1977-05-27 1977-05-27 Track access system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6180077A JPS53147503A (en) 1977-05-27 1977-05-27 Track access system

Publications (1)

Publication Number Publication Date
JPS53147503A true JPS53147503A (en) 1978-12-22

Family

ID=13181525

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6180077A Pending JPS53147503A (en) 1977-05-27 1977-05-27 Track access system

Country Status (1)

Country Link
JP (1) JPS53147503A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5190224A (en) * 1975-02-05 1976-08-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5190224A (en) * 1975-02-05 1976-08-07

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