JPS5732428A - Photometric device for photography using auxiliary light - Google Patents

Photometric device for photography using auxiliary light

Info

Publication number
JPS5732428A
JPS5732428A JP10750880A JP10750880A JPS5732428A JP S5732428 A JPS5732428 A JP S5732428A JP 10750880 A JP10750880 A JP 10750880A JP 10750880 A JP10750880 A JP 10750880A JP S5732428 A JPS5732428 A JP S5732428A
Authority
JP
Japan
Prior art keywords
contrast
parts
photodetecting elements
auxiliary light
photography
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
JP10750880A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0560048B2 (enrdf_load_stackoverflow
Inventor
Nobuyuki Taniguchi
Yoshio Yuasa
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP10750880A priority Critical patent/JPS5732428A/ja
Priority to US06/289,384 priority patent/US4373793A/en
Priority to DE19813130880 priority patent/DE3130880A1/de
Publication of JPS5732428A publication Critical patent/JPS5732428A/ja
Priority to US06/701,780 priority patent/USRE32437E/en
Publication of JPH0560048B2 publication Critical patent/JPH0560048B2/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
    • G03B7/08—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
    • G03B7/091—Digital circuits
    • G03B7/093—Digital circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
JP10750880A 1980-08-04 1980-08-05 Photometric device for photography using auxiliary light Granted JPS5732428A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP10750880A JPS5732428A (en) 1980-08-05 1980-08-05 Photometric device for photography using auxiliary light
US06/289,384 US4373793A (en) 1980-08-04 1981-08-03 Light measuring device for flash photography
DE19813130880 DE3130880A1 (de) 1980-08-04 1981-08-04 Lichtmesseinrichtung fuer die blitzlichtphotographie
US06/701,780 USRE32437E (en) 1980-08-04 1985-02-13 Light measuring device for flash photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10750880A JPS5732428A (en) 1980-08-05 1980-08-05 Photometric device for photography using auxiliary light

Publications (2)

Publication Number Publication Date
JPS5732428A true JPS5732428A (en) 1982-02-22
JPH0560048B2 JPH0560048B2 (enrdf_load_stackoverflow) 1993-09-01

Family

ID=14460976

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10750880A Granted JPS5732428A (en) 1980-08-04 1980-08-05 Photometric device for photography using auxiliary light

Country Status (1)

Country Link
JP (1) JPS5732428A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0413934U (enrdf_load_stackoverflow) * 1990-05-28 1992-02-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0413934U (enrdf_load_stackoverflow) * 1990-05-28 1992-02-04

Also Published As

Publication number Publication date
JPH0560048B2 (enrdf_load_stackoverflow) 1993-09-01

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