JPH0253852B2 - - Google Patents

Info

Publication number
JPH0253852B2
JPH0253852B2 JP56027742A JP2774281A JPH0253852B2 JP H0253852 B2 JPH0253852 B2 JP H0253852B2 JP 56027742 A JP56027742 A JP 56027742A JP 2774281 A JP2774281 A JP 2774281A JP H0253852 B2 JPH0253852 B2 JP H0253852B2
Authority
JP
Japan
Prior art keywords
light
signal
bright spot
waveguide
recording
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
JP56027742A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57143739A (en
Inventor
Kyonobu Endo
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP56027742A priority Critical patent/JPS57143739A/ja
Publication of JPS57143739A publication Critical patent/JPS57143739A/ja
Publication of JPH0253852B2 publication Critical patent/JPH0253852B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • G11B7/1245Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides the waveguides including means for electro-optical or acousto-optical deflection

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP56027742A 1981-02-27 1981-02-27 Recording and reproducing system Granted JPS57143739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027742A JPS57143739A (en) 1981-02-27 1981-02-27 Recording and reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027742A JPS57143739A (en) 1981-02-27 1981-02-27 Recording and reproducing system

Publications (2)

Publication Number Publication Date
JPS57143739A JPS57143739A (en) 1982-09-06
JPH0253852B2 true JPH0253852B2 (en]) 1990-11-20

Family

ID=12229480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027742A Granted JPS57143739A (en) 1981-02-27 1981-02-27 Recording and reproducing system

Country Status (1)

Country Link
JP (1) JPS57143739A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01263953A (ja) * 1988-04-15 1989-10-20 Sony Corp 光学式記録装置
JP3014553B2 (ja) * 1991-10-21 2000-02-28 三星電子株式会社 光記録テープの記録及び/又は再生装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS=1979 *
IEEE TRANSACTIONS ON CIRCUTTS AND SYSTEMS=1979 *
TOPICAL MEETING ON INTEGRATED AND GUIDED WAVE OPTICS=1978 *

Also Published As

Publication number Publication date
JPS57143739A (en) 1982-09-06

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