JPS52129428A - Automatic exposure control device of camera capable of performing flas hlight photographing - Google Patents

Automatic exposure control device of camera capable of performing flas hlight photographing

Info

Publication number
JPS52129428A
JPS52129428A JP4578576A JP4578576A JPS52129428A JP S52129428 A JPS52129428 A JP S52129428A JP 4578576 A JP4578576 A JP 4578576A JP 4578576 A JP4578576 A JP 4578576A JP S52129428 A JPS52129428 A JP S52129428A
Authority
JP
Japan
Prior art keywords
photographing
hlight
flas
control device
exposure control
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
JP4578576A
Other languages
Japanese (ja)
Inventor
Zenzo Nakamura
Masanori Uchitoi
Hiroshi Aizawa
Yoshiyuki Takishima
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 JP4578576A priority Critical patent/JPS52129428A/en
Priority to FR7712080A priority patent/FR2349154A1/en
Priority to DE2717763A priority patent/DE2717763C2/en
Publication of JPS52129428A publication Critical patent/JPS52129428A/en
Priority to US05/951,083 priority patent/US4200370A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To detect the voltage drop of the main condenser in flashlight photographing and together with changing over to daylight photographing, fix the filming mode and prevent erroneous operations by detecting the said changeover.
COPYRIGHT: (C)1977,JPO&Japio
JP4578576A 1976-04-22 1976-04-22 Automatic exposure control device of camera capable of performing flas hlight photographing Pending JPS52129428A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4578576A JPS52129428A (en) 1976-04-22 1976-04-22 Automatic exposure control device of camera capable of performing flas hlight photographing
FR7712080A FR2349154A1 (en) 1976-04-22 1977-04-21 Safety interlock for automatic camera - prevents change of daylight or flash exposure during exposure sequence using inhibiting logic circuits
DE2717763A DE2717763C2 (en) 1976-04-22 1977-04-21 Automatic exposure control system and flash unit
US05/951,083 US4200370A (en) 1976-04-22 1978-10-13 Camera for daylight and flash photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4578576A JPS52129428A (en) 1976-04-22 1976-04-22 Automatic exposure control device of camera capable of performing flas hlight photographing

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6976681A Division JPS5726829A (en) 1981-05-09 1981-05-09 Automatic exposure controller of camera

Publications (1)

Publication Number Publication Date
JPS52129428A true JPS52129428A (en) 1977-10-29

Family

ID=12728924

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4578576A Pending JPS52129428A (en) 1976-04-22 1976-04-22 Automatic exposure control device of camera capable of performing flas hlight photographing

Country Status (1)

Country Link
JP (1) JPS52129428A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333621A (en) * 1976-09-09 1978-03-29 Canon Inc Automatic exposure control device for camera capable of flash shooting

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137222A (en) * 1974-09-25 1976-03-29 Canon Kk

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137222A (en) * 1974-09-25 1976-03-29 Canon Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333621A (en) * 1976-09-09 1978-03-29 Canon Inc Automatic exposure control device for camera capable of flash shooting

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