JPH0437294Y2 - - Google Patents

Info

Publication number
JPH0437294Y2
JPH0437294Y2 JP9313987U JP9313987U JPH0437294Y2 JP H0437294 Y2 JPH0437294 Y2 JP H0437294Y2 JP 9313987 U JP9313987 U JP 9313987U JP 9313987 U JP9313987 U JP 9313987U JP H0437294 Y2 JPH0437294 Y2 JP H0437294Y2
Authority
JP
Japan
Prior art keywords
diffracted light
light
detectors
developing device
distance
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
JP9313987U
Other languages
English (en)
Japanese (ja)
Other versions
JPS64821U (en]
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 JP9313987U priority Critical patent/JPH0437294Y2/ja
Publication of JPS64821U publication Critical patent/JPS64821U/ja
Application granted granted Critical
Publication of JPH0437294Y2 publication Critical patent/JPH0437294Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP9313987U 1987-06-17 1987-06-17 Expired JPH0437294Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9313987U JPH0437294Y2 (en]) 1987-06-17 1987-06-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9313987U JPH0437294Y2 (en]) 1987-06-17 1987-06-17

Publications (2)

Publication Number Publication Date
JPS64821U JPS64821U (en]) 1989-01-05
JPH0437294Y2 true JPH0437294Y2 (en]) 1992-09-02

Family

ID=30955461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9313987U Expired JPH0437294Y2 (en]) 1987-06-17 1987-06-17

Country Status (1)

Country Link
JP (1) JPH0437294Y2 (en])

Also Published As

Publication number Publication date
JPS64821U (en]) 1989-01-05

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