JPH0439743B2 - - Google Patents

Info

Publication number
JPH0439743B2
JPH0439743B2 JP61076508A JP7650886A JPH0439743B2 JP H0439743 B2 JPH0439743 B2 JP H0439743B2 JP 61076508 A JP61076508 A JP 61076508A JP 7650886 A JP7650886 A JP 7650886A JP H0439743 B2 JPH0439743 B2 JP H0439743B2
Authority
JP
Japan
Prior art keywords
objective lens
optical axis
focusing
set screw
fixed
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 - Lifetime
Application number
JP61076508A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61239438A (ja
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 filed Critical
Priority to JP7650886A priority Critical patent/JPS61239438A/ja
Publication of JPS61239438A publication Critical patent/JPS61239438A/ja
Publication of JPH0439743B2 publication Critical patent/JPH0439743B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP7650886A 1986-04-04 1986-04-04 対物レンズ駆動装置 Granted JPS61239438A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7650886A JPS61239438A (ja) 1986-04-04 1986-04-04 対物レンズ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7650886A JPS61239438A (ja) 1986-04-04 1986-04-04 対物レンズ駆動装置

Publications (2)

Publication Number Publication Date
JPS61239438A JPS61239438A (ja) 1986-10-24
JPH0439743B2 true JPH0439743B2 (cs) 1992-06-30

Family

ID=13607189

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7650886A Granted JPS61239438A (ja) 1986-04-04 1986-04-04 対物レンズ駆動装置

Country Status (1)

Country Link
JP (1) JPS61239438A (cs)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02195522A (ja) * 1989-01-23 1990-08-02 Mitsubishi Electric Corp 対物レンズ駆動装置
KR100494468B1 (ko) * 2002-09-04 2005-06-10 삼성전기주식회사 광 픽업

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2443734A1 (fr) * 1978-12-08 1980-07-04 Thomson Csf Dispositif d'acces a une piste portee par un support enregistrable ou lisible optiquement et systeme optique comportant un tel dispositif

Also Published As

Publication number Publication date
JPS61239438A (ja) 1986-10-24

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