JPH0466054B2 - - Google Patents

Info

Publication number
JPH0466054B2
JPH0466054B2 JP3917885A JP3917885A JPH0466054B2 JP H0466054 B2 JPH0466054 B2 JP H0466054B2 JP 3917885 A JP3917885 A JP 3917885A JP 3917885 A JP3917885 A JP 3917885A JP H0466054 B2 JPH0466054 B2 JP H0466054B2
Authority
JP
Japan
Prior art keywords
signal
amplifier
switch
photodetector
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.)
Expired
Application number
JP3917885A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61199245A (ja
Inventor
Tsuneo Takahashi
Ryoichi Imanaka
Seizo Tsuji
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 JP60039178A priority Critical patent/JPS61199245A/ja
Publication of JPS61199245A publication Critical patent/JPS61199245A/ja
Publication of JPH0466054B2 publication Critical patent/JPH0466054B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Optical Recording Or Reproduction (AREA)
JP60039178A 1985-02-28 1985-02-28 サ−ボゲイン制御装置 Granted JPS61199245A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60039178A JPS61199245A (ja) 1985-02-28 1985-02-28 サ−ボゲイン制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60039178A JPS61199245A (ja) 1985-02-28 1985-02-28 サ−ボゲイン制御装置

Publications (2)

Publication Number Publication Date
JPS61199245A JPS61199245A (ja) 1986-09-03
JPH0466054B2 true JPH0466054B2 (OSRAM) 1992-10-22

Family

ID=12545858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60039178A Granted JPS61199245A (ja) 1985-02-28 1985-02-28 サ−ボゲイン制御装置

Country Status (1)

Country Link
JP (1) JPS61199245A (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2682635B2 (ja) * 1988-04-07 1997-11-26 株式会社リコー 光ディスク装置
US7142486B2 (en) 2001-04-02 2006-11-28 Ricoh Company, Ltd. Signal processing method and signal processing apparatus

Also Published As

Publication number Publication date
JPS61199245A (ja) 1986-09-03

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Legal Events

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