JPS57143742A - Signal recording system - Google Patents

Signal recording system

Info

Publication number
JPS57143742A
JPS57143742A JP56027743A JP2774381A JPS57143742A JP S57143742 A JPS57143742 A JP S57143742A JP 56027743 A JP56027743 A JP 56027743A JP 2774381 A JP2774381 A JP 2774381A JP S57143742 A JPS57143742 A JP S57143742A
Authority
JP
Japan
Prior art keywords
waveguide
electrode
luminous flux
head
optical
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
JP56027743A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0451892B2 (en, 2012
Inventor
Kazuya Matsumoto
Kiyonobu 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 JP56027743A priority Critical patent/JPS57143742A/ja
Publication of JPS57143742A publication Critical patent/JPS57143742A/ja
Publication of JPH0451892B2 publication Critical patent/JPH0451892B2/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
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides
    • G11B7/1245—Integrated 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)
JP56027743A 1981-02-27 1981-02-27 Signal recording system Granted JPS57143742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027743A JPS57143742A (en) 1981-02-27 1981-02-27 Signal recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027743A JPS57143742A (en) 1981-02-27 1981-02-27 Signal recording system

Publications (2)

Publication Number Publication Date
JPS57143742A true JPS57143742A (en) 1982-09-06
JPH0451892B2 JPH0451892B2 (en, 2012) 1992-08-20

Family

ID=12229505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027743A Granted JPS57143742A (en) 1981-02-27 1981-02-27 Signal recording system

Country Status (1)

Country Link
JP (1) JPS57143742A (en, 2012)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61157655A (ja) * 1984-12-28 1986-07-17 Daido Steel Co Ltd 鋳造工具
JPS61158050A (ja) * 1984-12-28 1986-07-17 Olympus Optical Co Ltd 記録情報読取装置
JPS61158049A (ja) * 1984-12-28 1986-07-17 Olympus Optical Co Ltd 記録情報読取装置
JPS61172540A (ja) * 1984-12-06 1986-08-04 ドレクスラ−・テクノロジイ・コ−ポレ−シヨン 医療デ−タの記憶方法
EP0685837A4 (en) * 1993-11-30 1996-05-31 Roman Igorevich Enilenis METHOD FOR WRITING AND READING DATA ON A MAGNETIC CARRIER, AND A HEAD UNIT TO PRESENT IT.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EIDE-BAND GUIDED-WAVE ACOUSTOOPTIC BRAGG DIFFRACTION AND DEVICES USING MULTIPLE TILTED SURFACE ACOUSTIC WAVES=1976 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61172540A (ja) * 1984-12-06 1986-08-04 ドレクスラ−・テクノロジイ・コ−ポレ−シヨン 医療デ−タの記憶方法
JPS61157655A (ja) * 1984-12-28 1986-07-17 Daido Steel Co Ltd 鋳造工具
JPS61158050A (ja) * 1984-12-28 1986-07-17 Olympus Optical Co Ltd 記録情報読取装置
JPS61158049A (ja) * 1984-12-28 1986-07-17 Olympus Optical Co Ltd 記録情報読取装置
EP0685837A4 (en) * 1993-11-30 1996-05-31 Roman Igorevich Enilenis METHOD FOR WRITING AND READING DATA ON A MAGNETIC CARRIER, AND A HEAD UNIT TO PRESENT IT.

Also Published As

Publication number Publication date
JPH0451892B2 (en, 2012) 1992-08-20

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