JPS59138026U - 焦点制御範囲識別回路 - Google Patents

焦点制御範囲識別回路

Info

Publication number
JPS59138026U
JPS59138026U JP3136483U JP3136483U JPS59138026U JP S59138026 U JPS59138026 U JP S59138026U JP 3136483 U JP3136483 U JP 3136483U JP 3136483 U JP3136483 U JP 3136483U JP S59138026 U JPS59138026 U JP S59138026U
Authority
JP
Japan
Prior art keywords
focus control
output
objective lens
waveform shaping
control range
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.)
Granted
Application number
JP3136483U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6346902Y2 (enrdf_load_stackoverflow
Inventor
外山 建夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP3136483U priority Critical patent/JPS59138026U/ja
Publication of JPS59138026U publication Critical patent/JPS59138026U/ja
Application granted granted Critical
Publication of JPS6346902Y2 publication Critical patent/JPS6346902Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP3136483U 1983-03-03 1983-03-03 焦点制御範囲識別回路 Granted JPS59138026U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3136483U JPS59138026U (ja) 1983-03-03 1983-03-03 焦点制御範囲識別回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3136483U JPS59138026U (ja) 1983-03-03 1983-03-03 焦点制御範囲識別回路

Publications (2)

Publication Number Publication Date
JPS59138026U true JPS59138026U (ja) 1984-09-14
JPS6346902Y2 JPS6346902Y2 (enrdf_load_stackoverflow) 1988-12-05

Family

ID=30162213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3136483U Granted JPS59138026U (ja) 1983-03-03 1983-03-03 焦点制御範囲識別回路

Country Status (1)

Country Link
JP (1) JPS59138026U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6346902Y2 (enrdf_load_stackoverflow) 1988-12-05

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