JPS58163926A - Ｔｔｌオ−トストロボ用自動露出制御回路 - Google Patents

Ｔｔｌオ−トストロボ用自動露出制御回路

Info

Publication number
JPS58163926A
JPS58163926A JP57047954A JP4795482A JPS58163926A JP S58163926 A JPS58163926 A JP S58163926A JP 57047954 A JP57047954 A JP 57047954A JP 4795482 A JP4795482 A JP 4795482A JP S58163926 A JPS58163926 A JP S58163926A
Authority
JP
Japan
Prior art keywords
operational amplifier
level
shutter
output
light
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
JP57047954A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0477296B2 (enrdf_load_stackoverflow
Inventor
Kazunori Mizogami
溝上　和紀
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical Co Ltd
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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP57047954A priority Critical patent/JPS58163926A/ja
Priority to US06/442,910 priority patent/US4460262A/en
Priority to DE3311017A priority patent/DE3311017C2/de
Publication of JPS58163926A publication Critical patent/JPS58163926A/ja
Publication of JPH0477296B2 publication Critical patent/JPH0477296B2/ja
Granted 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/16—Control 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
JP57047954A 1982-03-25 1982-03-25 Ｔｔｌオ−トストロボ用自動露出制御回路 Granted JPS58163926A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP57047954A JPS58163926A (ja) 1982-03-25 1982-03-25 Ｔｔｌオ−トストロボ用自動露出制御回路
US06/442,910 US4460262A (en) 1982-03-25 1982-11-19 Automatic exposure control circuit for TTL automatic electronic flash
DE3311017A DE3311017C2 (de) 1982-03-25 1983-03-25 Belichtungssteuerschaltung für eine Kamera mit TTL-Lichtmessung und automatischem TTL-Blitzgerät

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57047954A JPS58163926A (ja) 1982-03-25 1982-03-25 Ｔｔｌオ−トストロボ用自動露出制御回路

Publications (2)

Publication Number Publication Date
JPS58163926A true JPS58163926A (ja) 1983-09-28
JPH0477296B2 JPH0477296B2 (enrdf_load_stackoverflow) 1992-12-08

Family

ID=12789741

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57047954A Granted JPS58163926A (ja) 1982-03-25 1982-03-25 Ｔｔｌオ−トストロボ用自動露出制御回路

Country Status (1)

Country Link
JP (1) JPS58163926A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327612A (en) * 1976-08-26 1978-03-15 Kubota Ltd Method of taking softwood board out of belt conveyor
JPS5383739A (en) * 1976-12-29 1978-07-24 Olympus Optical Co Ltd Strobo flash control system for focal plane shutter camera of electric type

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327612A (en) * 1976-08-26 1978-03-15 Kubota Ltd Method of taking softwood board out of belt conveyor
JPS5383739A (en) * 1976-12-29 1978-07-24 Olympus Optical Co Ltd Strobo flash control system for focal plane shutter camera of electric type

Also Published As

Publication number Publication date
JPH0477296B2 (enrdf_load_stackoverflow) 1992-12-08

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