JPS59172630A - 自動露出制御装置 - Google Patents

自動露出制御装置

Info

Publication number
JPS59172630A
JPS59172630A JP58047536A JP4753683A JPS59172630A JP S59172630 A JPS59172630 A JP S59172630A JP 58047536 A JP58047536 A JP 58047536A JP 4753683 A JP4753683 A JP 4753683A JP S59172630 A JPS59172630 A JP S59172630A
Authority
JP
Japan
Prior art keywords
exposure
light
signal
ratio
light emission
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
JP58047536A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0516011B2 (enrdf_load_stackoverflow
Inventor
Hiroyuki Yashima
八嶋　弘幸
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 JP58047536A priority Critical patent/JPS59172630A/ja
Publication of JPS59172630A publication Critical patent/JPS59172630A/ja
Publication of JPH0516011B2 publication Critical patent/JPH0516011B2/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
    • 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
    • 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
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
  • Endoscopes (AREA)
JP58047536A 1983-03-22 1983-03-22 自動露出制御装置 Granted JPS59172630A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58047536A JPS59172630A (ja) 1983-03-22 1983-03-22 自動露出制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58047536A JPS59172630A (ja) 1983-03-22 1983-03-22 自動露出制御装置

Publications (2)

Publication Number Publication Date
JPS59172630A true JPS59172630A (ja) 1984-09-29
JPH0516011B2 JPH0516011B2 (enrdf_load_stackoverflow) 1993-03-03

Family

ID=12777847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58047536A Granted JPS59172630A (ja) 1983-03-22 1983-03-22 自動露出制御装置

Country Status (1)

Country Link
JP (1) JPS59172630A (enrdf_load_stackoverflow)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145527A (en) * 1978-05-04 1979-11-13 Fuji Photo Optical Co Ltd Exposure correcting method in close-up photography of camera
JPS56151920A (en) * 1980-04-25 1981-11-25 Minolta Camera Co Ltd Control device for photographic flash discharge tube
JPS5794733A (en) * 1980-12-03 1982-06-12 Olympus Optical Co Ltd Stroboscopic lamp light emission control device of t.t.l. direct photometric camera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145527A (en) * 1978-05-04 1979-11-13 Fuji Photo Optical Co Ltd Exposure correcting method in close-up photography of camera
JPS56151920A (en) * 1980-04-25 1981-11-25 Minolta Camera Co Ltd Control device for photographic flash discharge tube
JPS5794733A (en) * 1980-12-03 1982-06-12 Olympus Optical Co Ltd Stroboscopic lamp light emission control device of t.t.l. direct photometric camera

Also Published As

Publication number Publication date
JPH0516011B2 (enrdf_load_stackoverflow) 1993-03-03

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