JPS52145005A - Highly densed recording signals reproduction device - Google Patents

Highly densed recording signals reproduction device

Info

Publication number
JPS52145005A
JPS52145005A JP6206176A JP6206176A JPS52145005A JP S52145005 A JPS52145005 A JP S52145005A JP 6206176 A JP6206176 A JP 6206176A JP 6206176 A JP6206176 A JP 6206176A JP S52145005 A JPS52145005 A JP S52145005A
Authority
JP
Japan
Prior art keywords
reproduction device
recording signals
tracking
highly densed
densed
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
JP6206176A
Other languages
Japanese (ja)
Inventor
Katsuto Uetake
Kazuo Hirasawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP6206176A priority Critical patent/JPS52145005A/en
Publication of JPS52145005A publication Critical patent/JPS52145005A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0808—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more diffracting elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To make the tracking gain of optical beam for tracking the largest by controlling diffraction grating rotating angle with optical beam output for signal recording and tracking in an optical video disk, etc.
JP6206176A 1976-05-27 1976-05-27 Highly densed recording signals reproduction device Pending JPS52145005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6206176A JPS52145005A (en) 1976-05-27 1976-05-27 Highly densed recording signals reproduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6206176A JPS52145005A (en) 1976-05-27 1976-05-27 Highly densed recording signals reproduction device

Publications (1)

Publication Number Publication Date
JPS52145005A true JPS52145005A (en) 1977-12-02

Family

ID=13189224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6206176A Pending JPS52145005A (en) 1976-05-27 1976-05-27 Highly densed recording signals reproduction device

Country Status (1)

Country Link
JP (1) JPS52145005A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480016A1 (en) * 1980-04-03 1981-10-09 Philips Nv DISC INFORMATION TRACK TRACKING DEVICE
EP0089736A2 (en) * 1982-03-19 1983-09-28 Magnetic Peripherals Inc. Information track centering system
JPS6161242A (en) * 1984-09-03 1986-03-29 Pioneer Electronic Corp Optical information record reproducing device
JPS6193824U (en) * 1984-11-27 1986-06-17
JPH01176335A (en) * 1988-01-05 1989-07-12 Canon Inc Optical information recording and reproducing device
JPH0322227A (en) * 1989-06-19 1991-01-30 Matsushita Electric Ind Co Ltd Optical disk device
FR2652435A1 (en) * 1989-09-14 1991-03-29 Mitsubishi Electric Corp OPTICAL READ / WRITE APPARATUS HAVING VERY GOOD TRACK TRACKING PERFORMANCE.
JPH04121829A (en) * 1990-09-11 1992-04-22 Sanyo Electric Co Ltd Optical pickup device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480016A1 (en) * 1980-04-03 1981-10-09 Philips Nv DISC INFORMATION TRACK TRACKING DEVICE
EP0089736A2 (en) * 1982-03-19 1983-09-28 Magnetic Peripherals Inc. Information track centering system
JPS6161242A (en) * 1984-09-03 1986-03-29 Pioneer Electronic Corp Optical information record reproducing device
JPS6193824U (en) * 1984-11-27 1986-06-17
JPH01176335A (en) * 1988-01-05 1989-07-12 Canon Inc Optical information recording and reproducing device
JPH0322227A (en) * 1989-06-19 1991-01-30 Matsushita Electric Ind Co Ltd Optical disk device
FR2652435A1 (en) * 1989-09-14 1991-03-29 Mitsubishi Electric Corp OPTICAL READ / WRITE APPARATUS HAVING VERY GOOD TRACK TRACKING PERFORMANCE.
JPH04121829A (en) * 1990-09-11 1992-04-22 Sanyo Electric Co Ltd Optical pickup device

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