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JPS5294128A - Exposure control systemfor flash shooting - Google Patents

Exposure control systemfor flash shooting

Info

Publication number
JPS5294128A
JPS5294128A JP1100076A JP1100076A JPS5294128A JP S5294128 A JPS5294128 A JP S5294128A JP 1100076 A JP1100076 A JP 1100076A JP 1100076 A JP1100076 A JP 1100076A JP S5294128 A JPS5294128 A JP S5294128A
Authority
JP
Japan
Prior art keywords
exposure control
flash shooting
control systemfor
systemfor
reference voltage
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
JP1100076A
Other languages
Japanese (ja)
Inventor
Zenzo Nakamura
Masanori Uchitoi
Yukio Mashita
Tokuichi Tsunekawa
Takashi Uchiyama
Hiroshi Aizawa
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 JP1100076A priority Critical patent/JPS5294128A/en
Priority to FR7703051A priority patent/FR2340561A1/en
Publication of JPS5294128A publication Critical patent/JPS5294128A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

PURPOSE: To reduce the fluctuation of reference voltage and form a precise diaphragn control signal by energizing the reference voltage from the electric source to the flash means.
COPYRIGHT: (C)1977,JPO&Japio
JP1100076A 1976-02-04 1976-02-04 Exposure control systemfor flash shooting Pending JPS5294128A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1100076A JPS5294128A (en) 1976-02-04 1976-02-04 Exposure control systemfor flash shooting
FR7703051A FR2340561A1 (en) 1976-02-04 1977-02-03 Photographic flash exposure control system - controls exposure in response to signal received from photodetector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1100076A JPS5294128A (en) 1976-02-04 1976-02-04 Exposure control systemfor flash shooting

Publications (1)

Publication Number Publication Date
JPS5294128A true JPS5294128A (en) 1977-08-08

Family

ID=11765849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1100076A Pending JPS5294128A (en) 1976-02-04 1976-02-04 Exposure control systemfor flash shooting

Country Status (2)

Country Link
JP (1) JPS5294128A (en)
FR (1) FR2340561A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552202A (en) * 1978-06-19 1980-01-09 Konishiroku Photo Ind Co Ltd Exposure control method of camera using automatic light dimming type strobe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140825A (en) * 1979-04-20 1980-11-04 Olympus Optical Co Ltd Exposure control unit for single-lens reflex camera having strobe control function
JPS5632128A (en) * 1979-08-22 1981-04-01 Olympus Optical Co Ltd Aperture control circuit of strobe synchronized camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552202A (en) * 1978-06-19 1980-01-09 Konishiroku Photo Ind Co Ltd Exposure control method of camera using automatic light dimming type strobe

Also Published As

Publication number Publication date
FR2340561A1 (en) 1977-09-02
FR2340561B1 (en) 1982-08-13

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