FR2719916B1 - Brightness measurement device for a camera and associated control method. - Google Patents
Brightness measurement device for a camera and associated control method.Info
- Publication number
- FR2719916B1 FR2719916B1 FR9505772A FR9505772A FR2719916B1 FR 2719916 B1 FR2719916 B1 FR 2719916B1 FR 9505772 A FR9505772 A FR 9505772A FR 9505772 A FR9505772 A FR 9505772A FR 2719916 B1 FR2719916 B1 FR 2719916B1
- Authority
- FR
- France
- Prior art keywords
- camera
- control method
- measurement device
- associated control
- brightness measurement
- 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
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
-
- 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)
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
- Studio Devices (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940010656A KR100236641B1 (en) | 1994-05-16 | 1994-05-16 | Continuous illuminent measuring apparatus and control method of a camera |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2719916A1 FR2719916A1 (en) | 1995-11-17 |
FR2719916B1 true FR2719916B1 (en) | 1998-01-30 |
Family
ID=19383152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9505772A Expired - Fee Related FR2719916B1 (en) | 1994-05-16 | 1995-05-16 | Brightness measurement device for a camera and associated control method. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPH0850314A (en) |
KR (1) | KR100236641B1 (en) |
CN (1) | CN1144914A (en) |
DE (1) | DE19517747A1 (en) |
FR (1) | FR2719916B1 (en) |
GB (1) | GB2289545B (en) |
RU (1) | RU2134896C1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4916268B2 (en) * | 2006-09-29 | 2012-04-11 | キヤノン株式会社 | Imaging apparatus and control method thereof |
JP5478213B2 (en) * | 2009-11-20 | 2014-04-23 | オリンパスイメージング株式会社 | camera |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5087645A (en) * | 1973-12-05 | 1975-07-14 | ||
JPS5468628A (en) * | 1977-11-11 | 1979-06-01 | Nippon Chemical Ind | Camera motor drive unit controller |
JPS56167130A (en) * | 1980-05-27 | 1981-12-22 | Konishiroku Photo Ind Co Ltd | Automatic focusing camera |
GB2169089B (en) * | 1984-11-21 | 1989-10-11 | Canon Kk | Camera |
US4792820A (en) * | 1985-09-13 | 1988-12-20 | Minolta Camera Kabushiki Kaisha | Camera with automatic focus and exposure control means |
US5191384A (en) * | 1988-01-30 | 1993-03-02 | Minolta Camera Kabushiki Kaisha | Distance measuring system |
CA2127076A1 (en) * | 1993-07-01 | 1995-01-02 | Soon-Gil Seo | Brightness measuring device for a camera and related control method |
-
1994
- 1994-05-16 KR KR1019940010656A patent/KR100236641B1/en not_active IP Right Cessation
-
1995
- 1995-05-15 DE DE1995117747 patent/DE19517747A1/en not_active Withdrawn
- 1995-05-16 JP JP11672595A patent/JPH0850314A/en active Pending
- 1995-05-16 GB GB9509868A patent/GB2289545B/en not_active Expired - Fee Related
- 1995-05-16 RU RU95107896A patent/RU2134896C1/en active
- 1995-05-16 FR FR9505772A patent/FR2719916B1/en not_active Expired - Fee Related
- 1995-05-16 CN CN95107106A patent/CN1144914A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB9509868D0 (en) | 1995-07-12 |
JPH0850314A (en) | 1996-02-20 |
RU95107896A (en) | 1997-05-10 |
RU2134896C1 (en) | 1999-08-20 |
DE19517747A1 (en) | 1995-11-23 |
KR950033632A (en) | 1995-12-26 |
GB2289545B (en) | 1997-12-10 |
FR2719916A1 (en) | 1995-11-17 |
KR100236641B1 (en) | 2000-01-15 |
GB2289545A (en) | 1995-11-22 |
CN1144914A (en) | 1997-03-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |