JPH0733210Y2 - 自動焦点調節装置 - Google Patents

自動焦点調節装置

Info

Publication number
JPH0733210Y2
JPH0733210Y2 JP1988032840U JP3284088U JPH0733210Y2 JP H0733210 Y2 JPH0733210 Y2 JP H0733210Y2 JP 1988032840 U JP1988032840 U JP 1988032840U JP 3284088 U JP3284088 U JP 3284088U JP H0733210 Y2 JPH0733210 Y2 JP H0733210Y2
Authority
JP
Japan
Prior art keywords
reference voltage
light
light receiving
terminal
voltage
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 - Lifetime
Application number
JP1988032840U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01135411U (enExample
Inventor
益男 川口
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.)
Noritsu Koki Co Ltd
Original Assignee
Noritsu Koki 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 Noritsu Koki Co Ltd filed Critical Noritsu Koki Co Ltd
Priority to JP1988032840U priority Critical patent/JPH0733210Y2/ja
Publication of JPH01135411U publication Critical patent/JPH01135411U/ja
Application granted granted Critical
Publication of JPH0733210Y2 publication Critical patent/JPH0733210Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Variable Magnification In Projection-Type Copying Machines (AREA)
JP1988032840U 1988-03-10 1988-03-10 自動焦点調節装置 Expired - Lifetime JPH0733210Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988032840U JPH0733210Y2 (ja) 1988-03-10 1988-03-10 自動焦点調節装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988032840U JPH0733210Y2 (ja) 1988-03-10 1988-03-10 自動焦点調節装置

Publications (2)

Publication Number Publication Date
JPH01135411U JPH01135411U (enExample) 1989-09-18
JPH0733210Y2 true JPH0733210Y2 (ja) 1995-07-31

Family

ID=31259436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988032840U Expired - Lifetime JPH0733210Y2 (ja) 1988-03-10 1988-03-10 自動焦点調節装置

Country Status (1)

Country Link
JP (1) JPH0733210Y2 (enExample)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415244A (en) * 1982-03-22 1983-11-15 Telex Communications, Inc. Automatic focusing system

Also Published As

Publication number Publication date
JPH01135411U (enExample) 1989-09-18

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