FR88418E - Camera with automatic device for adjusting the lumination - Google Patents
Camera with automatic device for adjusting the luminationInfo
- Publication number
- FR88418E FR88418E FR21952A FR21952A FR88418E FR 88418 E FR88418 E FR 88418E FR 21952 A FR21952 A FR 21952A FR 21952 A FR21952 A FR 21952A FR 88418 E FR88418 E FR 88418E
- Authority
- FR
- France
- Prior art keywords
- lumination
- camera
- adjusting
- automatic device
- automatic
- 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
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
- G03B7/12—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 a hand-actuated member moved from one position to another providing the energy to move the setting member, e.g. depression of shutter release button causes a stepped feeler to co-operate with the pointer of the light-sensitive device to set the diaphragm and thereafter release the shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA34129A DE1177920B (en) | 1960-03-04 | 1960-03-04 | Camera with an automatic exposure control device |
DEA46442A DE1232462B (en) | 1964-06-27 | 1964-06-27 | Camera with an automatic exposure control device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR88418E true FR88418E (en) | 1967-02-03 |
Family
ID=6928415
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR854401A Expired FR1283462A (en) | 1960-03-04 | 1961-03-02 | Camera with automatic device for adjusting the lumination |
FR21952A Expired FR88418E (en) | 1960-03-04 | 1965-06-23 | Camera with automatic device for adjusting the lumination |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR854401A Expired FR1283462A (en) | 1960-03-04 | 1961-03-02 | Camera with automatic device for adjusting the lumination |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH389395A (en) |
DE (1) | DE1177920B (en) |
FR (2) | FR1283462A (en) |
GB (1) | GB968098A (en) |
-
1960
- 1960-03-04 DE DEA34129A patent/DE1177920B/en active Pending
-
1961
- 1961-03-01 CH CH245961A patent/CH389395A/en unknown
- 1961-03-01 GB GB754161A patent/GB968098A/en not_active Expired
- 1961-03-02 FR FR854401A patent/FR1283462A/en not_active Expired
-
1965
- 1965-06-23 FR FR21952A patent/FR88418E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH389395A (en) | 1965-03-15 |
DE1177920B (en) | 1964-09-10 |
FR1283462A (en) | 1962-02-02 |
GB968098A (en) | 1964-08-26 |
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