JPH0338646Y2 - - Google Patents

Info

Publication number
JPH0338646Y2
JPH0338646Y2 JP16812885U JP16812885U JPH0338646Y2 JP H0338646 Y2 JPH0338646 Y2 JP H0338646Y2 JP 16812885 U JP16812885 U JP 16812885U JP 16812885 U JP16812885 U JP 16812885U JP H0338646 Y2 JPH0338646 Y2 JP H0338646Y2
Authority
JP
Japan
Prior art keywords
optical disk
displacement
shielding plate
light
amount
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
JP16812885U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6276608U (US06262066-20010717-C00315.png
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 JP16812885U priority Critical patent/JPH0338646Y2/ja
Publication of JPS6276608U publication Critical patent/JPS6276608U/ja
Application granted granted Critical
Publication of JPH0338646Y2 publication Critical patent/JPH0338646Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP16812885U 1985-10-31 1985-10-31 Expired JPH0338646Y2 (US06262066-20010717-C00315.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16812885U JPH0338646Y2 (US06262066-20010717-C00315.png) 1985-10-31 1985-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16812885U JPH0338646Y2 (US06262066-20010717-C00315.png) 1985-10-31 1985-10-31

Publications (2)

Publication Number Publication Date
JPS6276608U JPS6276608U (US06262066-20010717-C00315.png) 1987-05-16
JPH0338646Y2 true JPH0338646Y2 (US06262066-20010717-C00315.png) 1991-08-15

Family

ID=31100717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16812885U Expired JPH0338646Y2 (US06262066-20010717-C00315.png) 1985-10-31 1985-10-31

Country Status (1)

Country Link
JP (1) JPH0338646Y2 (US06262066-20010717-C00315.png)

Also Published As

Publication number Publication date
JPS6276608U (US06262066-20010717-C00315.png) 1987-05-16

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