JPS63139608U - - Google Patents

Info

Publication number
JPS63139608U
JPS63139608U JP2946987U JP2946987U JPS63139608U JP S63139608 U JPS63139608 U JP S63139608U JP 2946987 U JP2946987 U JP 2946987U JP 2946987 U JP2946987 U JP 2946987U JP S63139608 U JPS63139608 U JP S63139608U
Authority
JP
Japan
Prior art keywords
position detection
disc
grooves
main
sub
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
JP2946987U
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 JP2946987U priority Critical patent/JPS63139608U/ja
Publication of JPS63139608U publication Critical patent/JPS63139608U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Position Or Direction (AREA)
JP2946987U 1987-02-28 1987-02-28 Pending JPS63139608U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2946987U JPS63139608U (enrdf_load_stackoverflow) 1987-02-28 1987-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2946987U JPS63139608U (enrdf_load_stackoverflow) 1987-02-28 1987-02-28

Publications (1)

Publication Number Publication Date
JPS63139608U true JPS63139608U (enrdf_load_stackoverflow) 1988-09-14

Family

ID=30833379

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2946987U Pending JPS63139608U (enrdf_load_stackoverflow) 1987-02-28 1987-02-28

Country Status (1)

Country Link
JP (1) JPS63139608U (enrdf_load_stackoverflow)

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