JPH02132209U - - Google Patents

Info

Publication number
JPH02132209U
JPH02132209U JP4220289U JP4220289U JPH02132209U JP H02132209 U JPH02132209 U JP H02132209U JP 4220289 U JP4220289 U JP 4220289U JP 4220289 U JP4220289 U JP 4220289U JP H02132209 U JPH02132209 U JP H02132209U
Authority
JP
Japan
Prior art keywords
entrance surface
beam shaping
total reflection
reflecting surfaces
entrance
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
JP4220289U
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 JP4220289U priority Critical patent/JPH02132209U/ja
Publication of JPH02132209U publication Critical patent/JPH02132209U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP4220289U 1989-04-11 1989-04-11 Pending JPH02132209U (me)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4220289U JPH02132209U (me) 1989-04-11 1989-04-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4220289U JPH02132209U (me) 1989-04-11 1989-04-11

Publications (1)

Publication Number Publication Date
JPH02132209U true JPH02132209U (me) 1990-11-02

Family

ID=31553535

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4220289U Pending JPH02132209U (me) 1989-04-11 1989-04-11

Country Status (1)

Country Link
JP (1) JPH02132209U (me)

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