GB2280028B - 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
GB2280028B
GB2280028B GB9413174A GB9413174A GB2280028B GB 2280028 B GB2280028 B GB 2280028B GB 9413174 A GB9413174 A GB 9413174A GB 9413174 A GB9413174 A GB 9413174A GB 2280028 B GB2280028 B GB 2280028B
Authority
GB
United Kingdom
Prior art keywords
camera
control method
measuring device
related control
brightness measuring
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.)
Expired - Fee Related
Application number
GB9413174A
Other versions
GB2280028A (en
GB9413174D0 (en
Inventor
Soon-Gil Seo
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.)
Hanwha Aerospace Co Ltd
Original Assignee
Samsung Aerospace Industries 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
Priority claimed from KR1019930012304A external-priority patent/KR970011118B1/en
Priority claimed from KR1019940010656A external-priority patent/KR100236641B1/en
Application filed by Samsung Aerospace Industries Ltd filed Critical Samsung Aerospace Industries Ltd
Publication of GB9413174D0 publication Critical patent/GB9413174D0/en
Publication of GB2280028A publication Critical patent/GB2280028A/en
Application granted granted Critical
Publication of GB2280028B publication Critical patent/GB2280028B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
GB9413174A 1993-07-01 1994-06-30 Brightness measuring device for a camera and related control method Expired - Fee Related GB2280028B (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 (3)

Publication Number Publication Date
GB9413174D0 GB9413174D0 (en) 1994-08-24
GB2280028A GB2280028A (en) 1995-01-18
GB2280028B true GB2280028B (en) 1997-01-29

Family

ID=26629762

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9413174A Expired - Fee Related GB2280028B (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
CA2127076A1 (en) 1995-01-02
CN1103721A (en) 1995-06-14
MY130087A (en) 2007-05-31
GB2280028A (en) 1995-01-18
GB9413174D0 (en) 1994-08-24
DE4423000A1 (en) 1995-01-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990630