FR2864641B1 - Systeme d'appareil photographique - Google Patents
Systeme d'appareil photographiqueInfo
- Publication number
- FR2864641B1 FR2864641B1 FR0413841A FR0413841A FR2864641B1 FR 2864641 B1 FR2864641 B1 FR 2864641B1 FR 0413841 A FR0413841 A FR 0413841A FR 0413841 A FR0413841 A FR 0413841A FR 2864641 B1 FR2864641 B1 FR 2864641B1
- Authority
- FR
- France
- Prior art keywords
- photographic system
- photographic
- 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
- 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
- G03B7/085—Analogue circuits for control of aperture
-
- 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
- G03B7/097—Digital circuits for control of both exposure time and aperture
-
- 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
- G03B7/20—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with change of lens
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003432148A JP2005189602A (ja) | 2003-12-26 | 2003-12-26 | カメラシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2864641A1 FR2864641A1 (fr) | 2005-07-01 |
FR2864641B1 true FR2864641B1 (fr) | 2007-08-10 |
Family
ID=34132076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0413841A Expired - Fee Related FR2864641B1 (fr) | 2003-12-26 | 2004-12-23 | Systeme d'appareil photographique |
Country Status (4)
Country | Link |
---|---|
US (1) | US7313323B2 (fr) |
JP (1) | JP2005189602A (fr) |
FR (1) | FR2864641B1 (fr) |
GB (1) | GB2409532B (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101151163B1 (ko) * | 2005-12-06 | 2012-06-04 | 파나소닉 주식회사 | 디지털 카메라 |
JP5013792B2 (ja) * | 2006-09-13 | 2012-08-29 | ペンタックスリコーイメージング株式会社 | 撮像装置 |
JP5570258B2 (ja) * | 2010-03-17 | 2014-08-13 | キヤノン株式会社 | 交換レンズおよびカメラレンズシステム |
JP5709806B2 (ja) * | 2012-07-10 | 2015-04-30 | キヤノン株式会社 | レンズユニットおよび撮像装置 |
US10139654B2 (en) * | 2015-09-25 | 2018-11-27 | Canon Kabushiki Kaisha | Optical apparatus that reduces driving noised by adjusting light transmissivity and camera system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3785266A (en) * | 1970-11-05 | 1974-01-15 | Canon Kk | A single lens reflex camera capable of open aperture photometry and aperture stop photometry |
JPS5623130B2 (fr) * | 1972-12-04 | 1981-05-29 | ||
JPS5323487Y2 (fr) * | 1973-10-19 | 1978-06-17 | ||
US3982257A (en) * | 1974-08-19 | 1976-09-21 | Fuji Photo Optical Co., Ltd. | Means for enabling stopped-down measurement in exposure control camera employing full-aperture measuring system |
JPS6214129A (ja) * | 1985-07-10 | 1987-01-22 | Minolta Camera Co Ltd | 一眼レフレツクスカメラのプレビユ−装置 |
JP3199806B2 (ja) | 1991-04-15 | 2001-08-20 | 旭光学工業株式会社 | カメラの露出制御装置 |
CA2066014C (fr) * | 1991-04-15 | 2001-04-03 | Osamu Sato | Dispositif de commande d'exposition pour appareil photo |
JP3153482B2 (ja) | 1996-11-19 | 2001-04-09 | 旭光学工業株式会社 | 一眼レフカメラのプレビュー装置 |
JP2001109032A (ja) | 1999-10-07 | 2001-04-20 | Asahi Optical Co Ltd | カメラの露出制御装置 |
-
2003
- 2003-12-26 JP JP2003432148A patent/JP2005189602A/ja not_active Withdrawn
-
2004
- 2004-12-22 US US11/017,789 patent/US7313323B2/en not_active Expired - Fee Related
- 2004-12-23 GB GB0428329A patent/GB2409532B/en not_active Expired - Fee Related
- 2004-12-23 FR FR0413841A patent/FR2864641B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2864641A1 (fr) | 2005-07-01 |
US7313323B2 (en) | 2007-12-25 |
GB2409532B (en) | 2006-10-11 |
JP2005189602A (ja) | 2005-07-14 |
GB0428329D0 (en) | 2005-02-02 |
US20050141890A1 (en) | 2005-06-30 |
GB2409532A (en) | 2005-06-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20110831 |