JPS61233435A - サ−ボゲイン制御装置 - Google Patents

サ−ボゲイン制御装置

Info

Publication number
JPS61233435A
JPS61233435A JP7461885A JP7461885A JPS61233435A JP S61233435 A JPS61233435 A JP S61233435A JP 7461885 A JP7461885 A JP 7461885A JP 7461885 A JP7461885 A JP 7461885A JP S61233435 A JPS61233435 A JP S61233435A
Authority
JP
Japan
Prior art keywords
signal
photodetector
output
switch
amplifier
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
JP7461885A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0548533B2 (enrdf_load_stackoverflow
Inventor
Tsuneo Takahashi
恒夫 高橋
Ryoichi Imanaka
良一 今中
Seizo Tsuji
辻　誠三
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 JP7461885A priority Critical patent/JPS61233435A/ja
Publication of JPS61233435A publication Critical patent/JPS61233435A/ja
Publication of JPH0548533B2 publication Critical patent/JPH0548533B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP7461885A 1985-04-09 1985-04-09 サ−ボゲイン制御装置 Granted JPS61233435A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7461885A JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7461885A JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Publications (2)

Publication Number Publication Date
JPS61233435A true JPS61233435A (ja) 1986-10-17
JPH0548533B2 JPH0548533B2 (enrdf_load_stackoverflow) 1993-07-21

Family

ID=13552340

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7461885A Granted JPS61233435A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Country Status (1)

Country Link
JP (1) JPS61233435A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146443A (en) * 1990-03-13 1992-09-08 Pioneer Electronic Corporation Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
US5436877A (en) * 1991-11-22 1995-07-25 Sony Corporation Method for controlling the gain of a tracking servo circuit
US7215606B2 (en) 2002-07-30 2007-05-08 Kabushiki Kaisha Toshiba Optical disk device and disturbance learning method for optical disk device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146443A (en) * 1990-03-13 1992-09-08 Pioneer Electronic Corporation Servo apparatus for optical disk player having both open loop coarse gain control and closed loop fine gain control
US5436877A (en) * 1991-11-22 1995-07-25 Sony Corporation Method for controlling the gain of a tracking servo circuit
US7215606B2 (en) 2002-07-30 2007-05-08 Kabushiki Kaisha Toshiba Optical disk device and disturbance learning method for optical disk device

Also Published As

Publication number Publication date
JPH0548533B2 (enrdf_load_stackoverflow) 1993-07-21

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees