JPS5928254A - フオ−カスサ−ボ装置 - Google Patents

フオ−カスサ−ボ装置

Info

Publication number
JPS5928254A
JPS5928254A JP13624382A JP13624382A JPS5928254A JP S5928254 A JPS5928254 A JP S5928254A JP 13624382 A JP13624382 A JP 13624382A JP 13624382 A JP13624382 A JP 13624382A JP S5928254 A JPS5928254 A JP S5928254A
Authority
JP
Japan
Prior art keywords
signal
output
focus
circuit
potential
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
JP13624382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6248298B2 (pl
Inventor
Soujiyu Gotou
荘授 後藤
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.)
TRIO KENWOOD CORP
Trio KK
Kenwood KK
Original Assignee
TRIO KENWOOD CORP
Trio KK
Kenwood 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 TRIO KENWOOD CORP, Trio KK, Kenwood KK filed Critical TRIO KENWOOD CORP
Priority to JP13624382A priority Critical patent/JPS5928254A/ja
Publication of JPS5928254A publication Critical patent/JPS5928254A/ja
Publication of JPS6248298B2 publication Critical patent/JPS6248298B2/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
    • G11B7/0908—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 for focusing only

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP13624382A 1982-08-06 1982-08-06 フオ−カスサ−ボ装置 Granted JPS5928254A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13624382A JPS5928254A (ja) 1982-08-06 1982-08-06 フオ−カスサ−ボ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13624382A JPS5928254A (ja) 1982-08-06 1982-08-06 フオ−カスサ−ボ装置

Publications (2)

Publication Number Publication Date
JPS5928254A true JPS5928254A (ja) 1984-02-14
JPS6248298B2 JPS6248298B2 (pl) 1987-10-13

Family

ID=15170627

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13624382A Granted JPS5928254A (ja) 1982-08-06 1982-08-06 フオ−カスサ−ボ装置

Country Status (1)

Country Link
JP (1) JPS5928254A (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113939A (ja) * 1986-10-31 1988-05-18 Pioneer Electronic Corp アドレス探索方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63113939A (ja) * 1986-10-31 1988-05-18 Pioneer Electronic Corp アドレス探索方法
JPH0568773B2 (pl) * 1986-10-31 1993-09-29 Pioneer Electronic Corp

Also Published As

Publication number Publication date
JPS6248298B2 (pl) 1987-10-13

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