JPS5244124A - Optical information read-out equipment - Google Patents

Optical information read-out equipment

Info

Publication number
JPS5244124A
JPS5244124A JP50119908A JP11990875A JPS5244124A JP S5244124 A JPS5244124 A JP S5244124A JP 50119908 A JP50119908 A JP 50119908A JP 11990875 A JP11990875 A JP 11990875A JP S5244124 A JPS5244124 A JP S5244124A
Authority
JP
Japan
Prior art keywords
optical information
information read
out equipment
jumping
assured
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
JP50119908A
Other languages
Japanese (ja)
Other versions
JPS562990B2 (en
Inventor
Kenjiro Goto
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.)
MANSEI KOUGIYOU KK
Mansei Kogyo KK
Original Assignee
MANSEI KOUGIYOU KK
Mansei Kogyo KK
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 MANSEI KOUGIYOU KK, Mansei Kogyo KK filed Critical MANSEI KOUGIYOU KK
Priority to JP50119908A priority Critical patent/JPS5244124A/en
Publication of JPS5244124A publication Critical patent/JPS5244124A/en
Publication of JPS562990B2 publication Critical patent/JPS562990B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0953—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks

Abstract

PURPOSE:When jumping operation of beam spot to information track is performed, the pulse which controls beam deflection equipment is changed in order to ensure an assured jumping. Thus, an accurate information reproduction is carried out.
JP50119908A 1975-10-04 1975-10-04 Optical information read-out equipment Granted JPS5244124A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50119908A JPS5244124A (en) 1975-10-04 1975-10-04 Optical information read-out equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50119908A JPS5244124A (en) 1975-10-04 1975-10-04 Optical information read-out equipment

Publications (2)

Publication Number Publication Date
JPS5244124A true JPS5244124A (en) 1977-04-06
JPS562990B2 JPS562990B2 (en) 1981-01-22

Family

ID=14773168

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50119908A Granted JPS5244124A (en) 1975-10-04 1975-10-04 Optical information read-out equipment

Country Status (1)

Country Link
JP (1) JPS5244124A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176544A (en) * 1981-04-23 1982-10-29 Olympus Optical Co Ltd Still reproducing system for optical video disc reproducer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137602A (en) * 1974-09-26 1976-03-30 Teac Corp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137602A (en) * 1974-09-26 1976-03-30 Teac Corp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176544A (en) * 1981-04-23 1982-10-29 Olympus Optical Co Ltd Still reproducing system for optical video disc reproducer

Also Published As

Publication number Publication date
JPS562990B2 (en) 1981-01-22

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