MY130087A - Brightness measuring device for a camera and related control method - Google Patents

Brightness measuring device for a camera and related control method

Info

Publication number
MY130087A
MY130087A MYPI9401709A MY130087A MY 130087 A MY130087 A MY 130087A MY PI9401709 A MYPI9401709 A MY PI9401709A MY 130087 A MY130087 A MY 130087A
Authority
MY
Malaysia
Prior art keywords
measuring device
brightness measuring
brightness
camera
control method
Prior art date
Application number
Inventor
Soon-Gil Seo
Original Assignee
Samsung Aerospace Ind
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
Priority claimed from KR1019930012304A external-priority patent/KR970011118B1/en
Priority claimed from KR1019940010656A external-priority patent/KR100236641B1/en
Application filed by Samsung Aerospace Ind filed Critical Samsung Aerospace Ind
Publication of MY130087A publication Critical patent/MY130087A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)

Abstract

A BRIGHTNESS MEASURING DEVICE FOR A CAMERA INCLUDING A DEVICE FOR ACTIVATING THE BRIGHTNESS MEASURING DEVICE. THE BRIGH MEASURING DEVICE INCLUDES A DEVICE FOR ACCUMULATING ELECTRICAL ENERGY REPRESENTING THE LEVEL OF A DETECTED AMBIENT BRIGHTNESS OF AN OBJECT, A DEVICE FOR MEASURING TIME BETWEEN WHEN THE ACTIVATING DEVICE ACTIVATES THE BRIGHTNESS MEASURING DEVICE AND WHEN THE ACCUMULATING DEVICE ACCUMULATES ELECTRICAL ENERGY TO AREFERENCE LEVEL, AND A DEVICE FOR DETERMINING A PROPER EXPOSURE VALUE BASED ON MEASURED TIME.(FIG 1)
MYPI9401709 1993-07-01 1994-06-30 Brightness measuring device for a camera and related control method MY130087A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019930012304A KR970011118B1 (en) 1993-07-01 1993-07-01 Brightness measurement device and method for a camera
KR1019940010656A KR100236641B1 (en) 1994-05-16 1994-05-16 Continuous illuminent measuring apparatus and control method of a camera

Publications (1)

Publication Number Publication Date
MY130087A true MY130087A (en) 2007-05-31

Family

ID=26629762

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI9401709 MY130087A (en) 1993-07-01 1994-06-30 Brightness measuring device for a camera and related control method

Country Status (5)

Country Link
CN (1) CN1103721A (en)
CA (1) CA2127076A1 (en)
DE (1) DE4423000A1 (en)
GB (1) GB2280028B (en)
MY (1) MY130087A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100236641B1 (en) * 1994-05-16 2000-01-15 유무성 Continuous illuminent measuring apparatus and control method of a camera
JP4916268B2 (en) * 2006-09-29 2012-04-11 キヤノン株式会社 Imaging apparatus and control method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836262A (en) * 1971-07-07 1974-09-17 Minolta Camera Kk Indicator circuit
JPS5434552B2 (en) * 1973-06-18 1979-10-27
JPS5925165B2 (en) * 1975-11-14 1984-06-15 アサヒコウガクコウギヨウ カブシキガイシヤ Rosyutsukei Niokeru Digital Hyyouji Warmer
JPS5714726A (en) * 1980-07-01 1982-01-26 Minolta Camera Co Ltd Measuring device for quantity of light
JPH077082B2 (en) * 1988-01-27 1995-01-30 富士電機株式会社 Sensor output measurement method
JPH04181128A (en) * 1990-11-14 1992-06-29 Olympus Optical Co Ltd Measuring device for light
GB9213737D0 (en) * 1992-06-29 1992-08-12 Nycomed Pharma As Light measurement

Also Published As

Publication number Publication date
CN1103721A (en) 1995-06-14
DE4423000A1 (en) 1995-01-12
CA2127076A1 (en) 1995-01-02
GB9413174D0 (en) 1994-08-24
GB2280028A (en) 1995-01-18
GB2280028B (en) 1997-01-29

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