JPS52110032A - Detector for focusing - Google Patents

Detector for focusing

Info

Publication number
JPS52110032A
JPS52110032A JP2757976A JP2757976A JPS52110032A JP S52110032 A JPS52110032 A JP S52110032A JP 2757976 A JP2757976 A JP 2757976A JP 2757976 A JP2757976 A JP 2757976A JP S52110032 A JPS52110032 A JP S52110032A
Authority
JP
Japan
Prior art keywords
focusing
detector
amplifiers
rendering
simplify
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
JP2757976A
Other languages
Japanese (ja)
Inventor
Mitsuya Hosoe
Seiichi Matsumoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2757976A priority Critical patent/JPS52110032A/en
Publication of JPS52110032A publication Critical patent/JPS52110032A/en
Pending legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)

Abstract

PURPOSE: To simplify the usable electric source in order to apply it for the small camera by constituting comparation circuit with two sets of amplifiers, and rendering one of positive and negative polarities as an output.
COPYRIGHT: (C)1977,JPO&Japio
JP2757976A 1976-03-12 1976-03-12 Detector for focusing Pending JPS52110032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2757976A JPS52110032A (en) 1976-03-12 1976-03-12 Detector for focusing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2757976A JPS52110032A (en) 1976-03-12 1976-03-12 Detector for focusing

Publications (1)

Publication Number Publication Date
JPS52110032A true JPS52110032A (en) 1977-09-14

Family

ID=12224878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2757976A Pending JPS52110032A (en) 1976-03-12 1976-03-12 Detector for focusing

Country Status (1)

Country Link
JP (1) JPS52110032A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153029A (en) * 1978-05-18 1979-12-01 Siemens Ag Method of and device for automatically or semiiautomatically focusing
JPS59210407A (en) * 1983-05-14 1984-11-29 Asahi Optical Co Ltd Automatic focus detector of camera
JPS62120717U (en) * 1986-12-04 1987-07-31

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54153029A (en) * 1978-05-18 1979-12-01 Siemens Ag Method of and device for automatically or semiiautomatically focusing
JPS59210407A (en) * 1983-05-14 1984-11-29 Asahi Optical Co Ltd Automatic focus detector of camera
JPS62120717U (en) * 1986-12-04 1987-07-31

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