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JPS5522787A - Flashing device - Google Patents

Flashing device

Info

Publication number
JPS5522787A
JPS5522787A JP7652779A JP7652779A JPS5522787A JP S5522787 A JPS5522787 A JP S5522787A JP 7652779 A JP7652779 A JP 7652779A JP 7652779 A JP7652779 A JP 7652779A JP S5522787 A JPS5522787 A JP S5522787A
Authority
JP
Japan
Prior art keywords
time
shutter
flash photography
flash
state
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
JP7652779A
Other languages
Japanese (ja)
Inventor
Takashi Uchiyama
Yukio Mashita
Zenzo Nakamura
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 JP7652779A priority Critical patent/JPS5522787A/en
Publication of JPS5522787A publication Critical patent/JPS5522787A/en
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To prevent hand blur and make possible correct flash photography by setting shutter second time to the flash photography mode after the flash emittable state.
CONSTITUTION: A trigger circuit L is put in a trigger preparation state when a flash emittable state is reached upon completion of charging of the main capacitor Cm of a flashing device F and the shutter second changeover signal is transmitted to the camera C when the triggerable state is reached upon completion of trigger preparation by the trigger circuit L, so that the shutter second time is changed over to the second time for flash photography. As a resulot, the shutter second time is prevented from becoming hand blur second time by being affected by luminance, etc. at the time of flash photography and correct flash photography may be performed.
COPYRIGHT: (C)1980,JPO&Japio
JP7652779A 1979-06-18 1979-06-18 Flashing device Pending JPS5522787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7652779A JPS5522787A (en) 1979-06-18 1979-06-18 Flashing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7652779A JPS5522787A (en) 1979-06-18 1979-06-18 Flashing device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3764574A Division JPS5610610B2 (en) 1974-04-03 1974-04-03

Publications (1)

Publication Number Publication Date
JPS5522787A true JPS5522787A (en) 1980-02-18

Family

ID=13607748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7652779A Pending JPS5522787A (en) 1979-06-18 1979-06-18 Flashing device

Country Status (1)

Country Link
JP (1) JPS5522787A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988088A (en) * 1988-11-04 1991-01-29 Sharp Kabushiki Kaisha Sheet turning device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3638543A (en) * 1970-07-17 1972-02-01 Olympus Optical Co Automatic exposure system for photographic camera
US3643564A (en) * 1968-10-28 1972-02-22 Canon Kk Indicator for flashlight photography
JPS4915430A (en) * 1972-05-19 1974-02-09

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643564A (en) * 1968-10-28 1972-02-22 Canon Kk Indicator for flashlight photography
US3638543A (en) * 1970-07-17 1972-02-01 Olympus Optical Co Automatic exposure system for photographic camera
JPS4915430A (en) * 1972-05-19 1974-02-09

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988088A (en) * 1988-11-04 1991-01-29 Sharp Kabushiki Kaisha Sheet turning device

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