JPS5886529A - Shutter speed selecting circuit of camera - Google Patents

Shutter speed selecting circuit of camera

Info

Publication number
JPS5886529A
JPS5886529A JP57194505A JP19450582A JPS5886529A JP S5886529 A JPS5886529 A JP S5886529A JP 57194505 A JP57194505 A JP 57194505A JP 19450582 A JP19450582 A JP 19450582A JP S5886529 A JPS5886529 A JP S5886529A
Authority
JP
Japan
Prior art keywords
shutter speed
signal
automatic mode
strobe
mode
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.)
Granted
Application number
JP57194505A
Other languages
Japanese (ja)
Other versions
JPS6258488B2 (en
Inventor
Nobuhiko Shinoda
Nobuaki Sakurada
Masaharu Kawamura
Tadashi Ito
Fumio Ito
Hiroyasu Murakami
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 JP57194505A priority Critical patent/JPS6258488B2/ja
Publication of JPS5886529A publication Critical patent/JPS5886529A/en
Publication of JPS6258488B2 publication Critical patent/JPS6258488B2/ja
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05Combinations of cameras with electronic flash apparatus; Electronic flash units

Abstract

PURPOSE:To perform invariably adequate flash photographing by generating a shutter control signal according to a mode signal from a strobe device. CONSTITUTION:A strobe unit 342 controlled by a photographic film speed setting dial 106, aperture setting dial 108, etc., applies a charging completion signal to a current circuit 346 according to the charging of a main capacitor. Then, the circuit 346 is driven by a changeover switch 146 changing in state according to a mode signal for indicating whether a strobe device is in full-automatic mode or semi-automatic mode to generate a signal CS which controls a shutter speed to 1/60 second only when either a 1/60sec shutter speed in full-automatic mode of a >=1/60sec shutter speed in semi-automatic mode is selected. Therefore, invariably adequate flash photographing is performed without any deficiency in exposure due to rear light at a window even when flash duration is short.
JP57194505A 1982-11-08 1982-11-08 Expired JPS6258488B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57194505A JPS6258488B2 (en) 1982-11-08 1982-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57194505A JPS6258488B2 (en) 1982-11-08 1982-11-08

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP50134391A Division JPS5258529A (en) 1975-11-08 1975-11-08 Camera system

Publications (2)

Publication Number Publication Date
JPS5886529A true JPS5886529A (en) 1983-05-24
JPS6258488B2 JPS6258488B2 (en) 1987-12-07

Family

ID=16325631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57194505A Expired JPS6258488B2 (en) 1982-11-08 1982-11-08

Country Status (1)

Country Link
JP (1) JPS6258488B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326641A (en) * 1986-07-20 1988-02-04 Nikon Corp Slit shutter camera capable of using flash device
WO2014169263A3 (en) * 2013-04-11 2014-12-04 Van De Roer Carlo System and method for producing virtual light source movement in motion pictures and other media

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4885226A (en) * 1972-02-16 1973-11-12
JPS4917727A (en) * 1972-06-07 1974-02-16
JPS49135628A (en) * 1973-04-26 1974-12-27

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4885226A (en) * 1972-02-16 1973-11-12
JPS4917727A (en) * 1972-06-07 1974-02-16
JPS49135628A (en) * 1973-04-26 1974-12-27

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326641A (en) * 1986-07-20 1988-02-04 Nikon Corp Slit shutter camera capable of using flash device
WO2014169263A3 (en) * 2013-04-11 2014-12-04 Van De Roer Carlo System and method for producing virtual light source movement in motion pictures and other media

Also Published As

Publication number Publication date
JPS6258488B2 (en) 1987-12-07

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