JPH03106525U - - Google Patents

Info

Publication number
JPH03106525U
JPH03106525U JP1585790U JP1585790U JPH03106525U JP H03106525 U JPH03106525 U JP H03106525U JP 1585790 U JP1585790 U JP 1585790U JP 1585790 U JP1585790 U JP 1585790U JP H03106525 U JPH03106525 U JP H03106525U
Authority
JP
Japan
Prior art keywords
optical disk
wavelength plate
optical axis
beam splitter
recording surface
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.)
Pending
Application number
JP1585790U
Other languages
English (en)
Japanese (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 JP1585790U priority Critical patent/JPH03106525U/ja
Publication of JPH03106525U publication Critical patent/JPH03106525U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP1585790U 1990-02-20 1990-02-20 Pending JPH03106525U (US20110158925A1-20110630-C00042.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1585790U JPH03106525U (US20110158925A1-20110630-C00042.png) 1990-02-20 1990-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1585790U JPH03106525U (US20110158925A1-20110630-C00042.png) 1990-02-20 1990-02-20

Publications (1)

Publication Number Publication Date
JPH03106525U true JPH03106525U (US20110158925A1-20110630-C00042.png) 1991-11-05

Family

ID=31519146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1585790U Pending JPH03106525U (US20110158925A1-20110630-C00042.png) 1990-02-20 1990-02-20

Country Status (1)

Country Link
JP (1) JPH03106525U (US20110158925A1-20110630-C00042.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771537A (en) * 1980-10-20 1982-05-04 Mitsubishi Electric Corp Optical pickup device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771537A (en) * 1980-10-20 1982-05-04 Mitsubishi Electric Corp Optical pickup device

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