JPS58185043A - トラツク検索装置 - Google Patents

トラツク検索装置

Info

Publication number
JPS58185043A
JPS58185043A JP6909482A JP6909482A JPS58185043A JP S58185043 A JPS58185043 A JP S58185043A JP 6909482 A JP6909482 A JP 6909482A JP 6909482 A JP6909482 A JP 6909482A JP S58185043 A JPS58185043 A JP S58185043A
Authority
JP
Japan
Prior art keywords
signal
guide track
track
speed
output
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
JP6909482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0150972B2 (ko
Inventor
Kenji Koishi
健二 小石
Tomio Yoshida
吉田　富夫
Isao Sato
勲 佐藤
Shunji Ohara
俊次 大原
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP6909482A priority Critical patent/JPS58185043A/ja
Publication of JPS58185043A publication Critical patent/JPS58185043A/ja
Publication of JPH0150972B2 publication Critical patent/JPH0150972B2/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP6909482A 1982-04-23 1982-04-23 トラツク検索装置 Granted JPS58185043A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6909482A JPS58185043A (ja) 1982-04-23 1982-04-23 トラツク検索装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6909482A JPS58185043A (ja) 1982-04-23 1982-04-23 トラツク検索装置

Publications (2)

Publication Number Publication Date
JPS58185043A true JPS58185043A (ja) 1983-10-28
JPH0150972B2 JPH0150972B2 (ko) 1989-11-01

Family

ID=13392669

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6909482A Granted JPS58185043A (ja) 1982-04-23 1982-04-23 トラツク検索装置

Country Status (1)

Country Link
JP (1) JPS58185043A (ko)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001732A (en) * 1989-01-10 1991-03-19 Sharp Kabushiki Kaisha Track counter for optical disk
JPH06127553A (ja) * 1992-10-16 1994-05-10 Saraya Kk 液体収納用袋
US6157599A (en) * 1997-08-28 2000-12-05 Fujitsu Limited Optical storage apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940182A (ko) * 1972-08-15 1974-04-15
JPS5129431A (en) * 1974-09-02 1976-03-12 Kuraray Co Ritsutaikiseisareta fuaruneshirusakusan mataha sonoesuterurui no seizoho
JPS5310456A (en) * 1976-07-16 1978-01-30 Tanifuji Kikai Kougiyou Kk Road surface roughness inspector
JPS5891536A (ja) * 1981-11-25 1983-05-31 Hitachi Ltd デイジタル光デイスクのアクセス方式

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4940182A (ko) * 1972-08-15 1974-04-15
JPS5129431A (en) * 1974-09-02 1976-03-12 Kuraray Co Ritsutaikiseisareta fuaruneshirusakusan mataha sonoesuterurui no seizoho
JPS5310456A (en) * 1976-07-16 1978-01-30 Tanifuji Kikai Kougiyou Kk Road surface roughness inspector
JPS5891536A (ja) * 1981-11-25 1983-05-31 Hitachi Ltd デイジタル光デイスクのアクセス方式

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5001732A (en) * 1989-01-10 1991-03-19 Sharp Kabushiki Kaisha Track counter for optical disk
JPH06127553A (ja) * 1992-10-16 1994-05-10 Saraya Kk 液体収納用袋
US6157599A (en) * 1997-08-28 2000-12-05 Fujitsu Limited Optical storage apparatus

Also Published As

Publication number Publication date
JPH0150972B2 (ko) 1989-11-01

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