JPS6232544B2 - - Google Patents

Info

Publication number
JPS6232544B2
JPS6232544B2 JP2480781A JP2480781A JPS6232544B2 JP S6232544 B2 JPS6232544 B2 JP S6232544B2 JP 2480781 A JP2480781 A JP 2480781A JP 2480781 A JP2480781 A JP 2480781A JP S6232544 B2 JPS6232544 B2 JP S6232544B2
Authority
JP
Japan
Prior art keywords
disk
output
slit
linear velocity
recording medium
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.)
Expired
Application number
JP2480781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57141077A (en
Inventor
Yukio Fujimagari
Kenichi Horikiri
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.)
KENUTSUDO KK
Original Assignee
KENUTSUDO 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 KENUTSUDO KK filed Critical KENUTSUDO KK
Priority to JP2480781A priority Critical patent/JPS57141077A/ja
Publication of JPS57141077A publication Critical patent/JPS57141077A/ja
Publication of JPS6232544B2 publication Critical patent/JPS6232544B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Rotational Drive Of Disk (AREA)
JP2480781A 1981-02-20 1981-02-20 Control device for uniform linear velocity of disc-shaped information recording material Granted JPS57141077A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2480781A JPS57141077A (en) 1981-02-20 1981-02-20 Control device for uniform linear velocity of disc-shaped information recording material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2480781A JPS57141077A (en) 1981-02-20 1981-02-20 Control device for uniform linear velocity of disc-shaped information recording material

Publications (2)

Publication Number Publication Date
JPS57141077A JPS57141077A (en) 1982-09-01
JPS6232544B2 true JPS6232544B2 (enrdf_load_html_response) 1987-07-15

Family

ID=12148458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2480781A Granted JPS57141077A (en) 1981-02-20 1981-02-20 Control device for uniform linear velocity of disc-shaped information recording material

Country Status (1)

Country Link
JP (1) JPS57141077A (enrdf_load_html_response)

Also Published As

Publication number Publication date
JPS57141077A (en) 1982-09-01

Similar Documents

Publication Publication Date Title
US4623939A (en) Rotation control apparatus for a motor
US5982724A (en) Disk reproducing apparatus having active wide-range PLL device
JPH03173972A (ja) ディスク再生装置
JPS6235179B2 (enrdf_load_html_response)
US4672595A (en) System for controlling rotary drive of recorded disk player
US4680746A (en) Recording disc rotary drive control apparatus
JPH08116254A (ja) Pll回路の引込回路、pll回路の引込方法及び光ディスク再生装置
US4351044A (en) Recording system using disk-shaped recording medium
US4757488A (en) Rotation control apparatus for constant linear velocity system information recording disc
US4539666A (en) Apparatus for controlling rotation of a record disk at a constant linear velocity
US5636196A (en) Optical disc apparatus with selectively shiftable seek operation capture range
US5557184A (en) Spindle motor controlling circuit of an optical disk system
EP0302680B1 (en) An apparatus for recording and reproducing information on and from an optical disk
JPH0731869B2 (ja) デイスク回転駆動装置
JP2000357337A (ja) 光ディスク再生装置
JPS6232544B2 (enrdf_load_html_response)
JPS5625264A (en) Rotation contrl system for driving motor of recorder for equal line speed information recording medium disk
JP2907022B2 (ja) 光ディスク再生装置
JPH0527185B2 (enrdf_load_html_response)
US5115422A (en) Information reproducing apparatus for detecting a reproduced area on a disc
JPS624791B2 (enrdf_load_html_response)
JPH08287592A (ja) 運動乱れ検出装置
JPS6232378Y2 (enrdf_load_html_response)
JPS61224176A (ja) デイスクモ−タ回転制御装置
JPH0722765Y2 (ja) ピックアップ位置に基づく線速度一定回転制御回路