JPS61233431A - サ−ボゲイン制御装置 - Google Patents

サ−ボゲイン制御装置

Info

Publication number
JPS61233431A
JPS61233431A JP60074622A JP7462285A JPS61233431A JP S61233431 A JPS61233431 A JP S61233431A JP 60074622 A JP60074622 A JP 60074622A JP 7462285 A JP7462285 A JP 7462285A JP S61233431 A JPS61233431 A JP S61233431A
Authority
JP
Japan
Prior art keywords
amplifier
signal
output signal
photodetector
switch
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
JP60074622A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0555933B2 (OSRAM
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 JP60074622A priority Critical patent/JPS61233431A/ja
Publication of JPS61233431A publication Critical patent/JPS61233431A/ja
Publication of JPH0555933B2 publication Critical patent/JPH0555933B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
JP60074622A 1985-04-09 1985-04-09 サ−ボゲイン制御装置 Granted JPS61233431A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60074622A JPS61233431A (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
JP60074622A JPS61233431A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Publications (2)

Publication Number Publication Date
JPS61233431A true JPS61233431A (ja) 1986-10-17
JPH0555933B2 JPH0555933B2 (OSRAM) 1993-08-18

Family

ID=13552465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60074622A Granted JPS61233431A (ja) 1985-04-09 1985-04-09 サ−ボゲイン制御装置

Country Status (1)

Country Link
JP (1) JPS61233431A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479803A (en) * 1987-09-22 1989-03-24 Matsushita Electric Industrial Co Ltd Loop gain control device
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6479803A (en) * 1987-09-22 1989-03-24 Matsushita Electric Industrial Co Ltd Loop gain control device
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

Also Published As

Publication number Publication date
JPH0555933B2 (OSRAM) 1993-08-18

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term