JPS6132732B2 - - Google Patents

Info

Publication number
JPS6132732B2
JPS6132732B2 JP53118790A JP11879078A JPS6132732B2 JP S6132732 B2 JPS6132732 B2 JP S6132732B2 JP 53118790 A JP53118790 A JP 53118790A JP 11879078 A JP11879078 A JP 11879078A JP S6132732 B2 JPS6132732 B2 JP S6132732B2
Authority
JP
Japan
Prior art keywords
track
light
lens barrel
piezoelectric element
detection
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
JP53118790A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5545171A (en
Inventor
Kenjiro Kime
Kazuo Okada
Mitsushige Kondo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP11879078A priority Critical patent/JPS5545171A/ja
Publication of JPS5545171A publication Critical patent/JPS5545171A/ja
Publication of JPS6132732B2 publication Critical patent/JPS6132732B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP11879078A 1978-09-26 1978-09-26 Track detection controller Granted JPS5545171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11879078A JPS5545171A (en) 1978-09-26 1978-09-26 Track detection controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11879078A JPS5545171A (en) 1978-09-26 1978-09-26 Track detection controller

Publications (2)

Publication Number Publication Date
JPS5545171A JPS5545171A (en) 1980-03-29
JPS6132732B2 true JPS6132732B2 (cs) 1986-07-29

Family

ID=14745150

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11879078A Granted JPS5545171A (en) 1978-09-26 1978-09-26 Track detection controller

Country Status (1)

Country Link
JP (1) JPS5545171A (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470391A1 (fr) * 1979-11-21 1981-05-29 Thomson Csf Dispositif optique stigmatique d'emission-reception de rayonnements coherents et tete optique d'enregistrement-lecture comprenant un tel dispositif
JPS56163529A (en) * 1980-05-21 1981-12-16 Matsushita Electric Ind Co Ltd Controller for light converging position
JPS57205834A (en) * 1981-06-12 1982-12-17 Matsushita Electric Ind Co Ltd Light focusing position controller
DE3483646D1 (de) * 1983-07-06 1991-01-03 Matsushita Electric Industrial Co Ltd Lichtaufnahmekopf.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2174353A5 (cs) * 1972-02-29 1973-10-12 Thomson Csf
JPS5345204A (en) * 1976-10-06 1978-04-22 Olympus Optical Co Ltd Tracking method for disk-type recording medium

Also Published As

Publication number Publication date
JPS5545171A (en) 1980-03-29

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