JPS52110036A - Electric source switch for detection circuit for focusing state - Google Patents

Electric source switch for detection circuit for focusing state

Info

Publication number
JPS52110036A
JPS52110036A JP2758376A JP2758376A JPS52110036A JP S52110036 A JPS52110036 A JP S52110036A JP 2758376 A JP2758376 A JP 2758376A JP 2758376 A JP2758376 A JP 2758376A JP S52110036 A JPS52110036 A JP S52110036A
Authority
JP
Japan
Prior art keywords
electric source
source switch
detection circuit
focusing state
focusing
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
JP2758376A
Other languages
Japanese (ja)
Inventor
Seiichi Matsumoto
Hideo Yokota
Mutsuhide Matsuda
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 JP2758376A priority Critical patent/JPS52110036A/en
Priority to US05/774,116 priority patent/US4142788A/en
Priority to DE2710774A priority patent/DE2710774C2/en
Publication of JPS52110036A publication Critical patent/JPS52110036A/en
Priority to US05/936,590 priority patent/US4288151A/en
Pending legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To prevent the oblivion of operation of electric source switch in the camera having the auto focus function by providing the electric source switch for the focus detection circuit at a special position.
COPYRIGHT: (C)1977,JPO&Japio
JP2758376A 1976-03-12 1976-03-12 Electric source switch for detection circuit for focusing state Pending JPS52110036A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2758376A JPS52110036A (en) 1976-03-12 1976-03-12 Electric source switch for detection circuit for focusing state
US05/774,116 US4142788A (en) 1976-03-12 1977-03-03 Power source switch for use in a camera circuit to detect a focused condition
DE2710774A DE2710774C2 (en) 1976-03-12 1977-03-11 camera
US05/936,590 US4288151A (en) 1976-03-12 1978-08-23 Power source switch for use in camera circuit to detect a focused condition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2758376A JPS52110036A (en) 1976-03-12 1976-03-12 Electric source switch for detection circuit for focusing state

Publications (1)

Publication Number Publication Date
JPS52110036A true JPS52110036A (en) 1977-09-14

Family

ID=12224974

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2758376A Pending JPS52110036A (en) 1976-03-12 1976-03-12 Electric source switch for detection circuit for focusing state

Country Status (1)

Country Link
JP (1) JPS52110036A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106423A (en) * 1979-02-09 1980-08-15 Ricoh Co Ltd Power source switch of distance measuring circuit
JPS5749927A (en) * 1980-09-10 1982-03-24 Asahi Optical Co Ltd Interchangeable lens type autofocus camera
JPS58118423U (en) * 1982-02-04 1983-08-12 旭光学工業株式会社 Autofocus camera locking device
JPS59159137A (en) * 1983-02-28 1984-09-08 Olympus Optical Co Ltd Automatic focusing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55106423A (en) * 1979-02-09 1980-08-15 Ricoh Co Ltd Power source switch of distance measuring circuit
JPS6217209B2 (en) * 1979-02-09 1987-04-16 Ricoh Kk
JPS5749927A (en) * 1980-09-10 1982-03-24 Asahi Optical Co Ltd Interchangeable lens type autofocus camera
JPS58118423U (en) * 1982-02-04 1983-08-12 旭光学工業株式会社 Autofocus camera locking device
JPS59159137A (en) * 1983-02-28 1984-09-08 Olympus Optical Co Ltd Automatic focusing device

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