JPS53149003A - Loop gain adjusting circuit for servo-circuit - Google Patents

Loop gain adjusting circuit for servo-circuit

Info

Publication number
JPS53149003A
JPS53149003A JP6366077A JP6366077A JPS53149003A JP S53149003 A JPS53149003 A JP S53149003A JP 6366077 A JP6366077 A JP 6366077A JP 6366077 A JP6366077 A JP 6366077A JP S53149003 A JPS53149003 A JP S53149003A
Authority
JP
Japan
Prior art keywords
circuit
servo
loop gain
gain adjusting
adjusting circuit
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
JP6366077A
Other languages
Japanese (ja)
Other versions
JPS5827889B2 (en
Inventor
Yasuo Hachi
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP52063660A priority Critical patent/JPS5827889B2/en
Publication of JPS53149003A publication Critical patent/JPS53149003A/en
Publication of JPS5827889B2 publication Critical patent/JPS5827889B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To ensure the stable servo-operation with an initially determined loop gain by providing connecting a gain adjusting section between tracking detecting signals and a servo-drive amplifier to adjust the loop gain.
JP52063660A 1977-05-31 1977-05-31 Loop gain adjustment circuit for servo circuit Expired JPS5827889B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52063660A JPS5827889B2 (en) 1977-05-31 1977-05-31 Loop gain adjustment circuit for servo circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52063660A JPS5827889B2 (en) 1977-05-31 1977-05-31 Loop gain adjustment circuit for servo circuit

Publications (2)

Publication Number Publication Date
JPS53149003A true JPS53149003A (en) 1978-12-26
JPS5827889B2 JPS5827889B2 (en) 1983-06-13

Family

ID=13235711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52063660A Expired JPS5827889B2 (en) 1977-05-31 1977-05-31 Loop gain adjustment circuit for servo circuit

Country Status (1)

Country Link
JP (1) JPS5827889B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517153A1 (en) * 1981-11-26 1983-05-27 Philips Nv DEVICE FOR OPTICALLY EXPLORING A DISK-SHAPED INFORMATION MEDIUM
JPS59229773A (en) * 1983-06-10 1984-12-24 Pioneer Electronic Corp Record information reader
JPS60107774A (en) * 1983-11-15 1985-06-13 Sharp Corp Tracking servo control device
JPS60229242A (en) * 1985-04-05 1985-11-14 Hitachi Ltd Tracking control circuit
JPS61139934A (en) * 1984-12-11 1986-06-27 Alps Electric Co Ltd Servo-gain control device of optical pickup
JPS6489034A (en) * 1987-09-30 1989-04-03 Matsushita Electric Industrial Co Ltd Optical disk drive controller
JPH0284118U (en) * 1988-12-14 1990-06-29

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2517153A1 (en) * 1981-11-26 1983-05-27 Philips Nv DEVICE FOR OPTICALLY EXPLORING A DISK-SHAPED INFORMATION MEDIUM
JPS58105438A (en) * 1981-11-26 1983-06-23 エヌ・ベー・フイリップス・フルーイランペン　フアブリケン Optical scanner
JPS59229773A (en) * 1983-06-10 1984-12-24 Pioneer Electronic Corp Record information reader
JPS60107774A (en) * 1983-11-15 1985-06-13 Sharp Corp Tracking servo control device
JPS61139934A (en) * 1984-12-11 1986-06-27 Alps Electric Co Ltd Servo-gain control device of optical pickup
JPS60229242A (en) * 1985-04-05 1985-11-14 Hitachi Ltd Tracking control circuit
JPS6489034A (en) * 1987-09-30 1989-04-03 Matsushita Electric Industrial Co Ltd Optical disk drive controller
JPH0284118U (en) * 1988-12-14 1990-06-29

Also Published As

Publication number Publication date
JPS5827889B2 (en) 1983-06-13

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