JPH0250824U - - Google Patents

Info

Publication number
JPH0250824U
JPH0250824U JP12985288U JP12985288U JPH0250824U JP H0250824 U JPH0250824 U JP H0250824U JP 12985288 U JP12985288 U JP 12985288U JP 12985288 U JP12985288 U JP 12985288U JP H0250824 U JPH0250824 U JP H0250824U
Authority
JP
Japan
Prior art keywords
diffraction grating
light source
laser light
phase diffraction
objective lens
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
JP12985288U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0753126Y2 (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 JP1988129852U priority Critical patent/JPH0753126Y2/ja
Publication of JPH0250824U publication Critical patent/JPH0250824U/ja
Application granted granted Critical
Publication of JPH0753126Y2 publication Critical patent/JPH0753126Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP1988129852U 1988-10-03 1988-10-03 光学ピックアップ装置 Expired - Lifetime JPH0753126Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988129852U JPH0753126Y2 (ja) 1988-10-03 1988-10-03 光学ピックアップ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988129852U JPH0753126Y2 (ja) 1988-10-03 1988-10-03 光学ピックアップ装置

Publications (2)

Publication Number Publication Date
JPH0250824U true JPH0250824U (US07179912-20070220-C00144.png) 1990-04-10
JPH0753126Y2 JPH0753126Y2 (ja) 1995-12-06

Family

ID=31384511

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988129852U Expired - Lifetime JPH0753126Y2 (ja) 1988-10-03 1988-10-03 光学ピックアップ装置

Country Status (1)

Country Link
JP (1) JPH0753126Y2 (US07179912-20070220-C00144.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008084362A (ja) * 2006-09-26 2008-04-10 Funai Electric Co Ltd 光ピックアップ装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016331U (ja) * 1983-07-13 1985-02-04 三菱電機株式会社 光学式情報再生装置のピツクアツプ装置
JPS62158624U (US07179912-20070220-C00144.png) * 1986-03-24 1987-10-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6016331U (ja) * 1983-07-13 1985-02-04 三菱電機株式会社 光学式情報再生装置のピツクアツプ装置
JPS62158624U (US07179912-20070220-C00144.png) * 1986-03-24 1987-10-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008084362A (ja) * 2006-09-26 2008-04-10 Funai Electric Co Ltd 光ピックアップ装置
JP4572886B2 (ja) * 2006-09-26 2010-11-04 船井電機株式会社 光ピックアップ装置

Also Published As

Publication number Publication date
JPH0753126Y2 (ja) 1995-12-06

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