CH370312A - Photographic camera with automatic exposure control device - Google Patents
Photographic camera with automatic exposure control deviceInfo
- Publication number
- CH370312A CH370312A CH7283859A CH7283859A CH370312A CH 370312 A CH370312 A CH 370312A CH 7283859 A CH7283859 A CH 7283859A CH 7283859 A CH7283859 A CH 7283859A CH 370312 A CH370312 A CH 370312A
- Authority
- CH
- Switzerland
- Prior art keywords
- control device
- exposure control
- automatic exposure
- photographic camera
- photographic
- Prior art date
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
- G03B7/003—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly setting of both shutter and diaphragm
-
- 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
- G03B7/14—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 setting of both shutter and diaphragm aperture being effected so as to give the optimum compromise between depth of field and shortness of exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA29389A DE1175981B (en) | 1958-05-02 | 1958-05-02 | Camera with exposure control device |
Publications (1)
Publication Number | Publication Date |
---|---|
CH370312A true CH370312A (en) | 1963-06-30 |
Family
ID=6926911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH7283859A CH370312A (en) | 1958-05-02 | 1959-05-02 | Photographic camera with automatic exposure control device |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH370312A (en) |
DE (1) | DE1175981B (en) |
GB (1) | GB911824A (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058531A (en) * | 1934-02-08 | 1936-10-27 | Eastman Kodak Co | Camera diaphragm control |
DE641856C (en) * | 1934-08-04 | 1937-02-15 | Walter Benedikt | Device for obtaining equally exposed photographic negatives |
US2509385A (en) * | 1948-06-01 | 1950-05-30 | Jr Theodore Ziaylek | Camera shutter and diaphragm control mechanism |
DE894047C (en) * | 1951-09-29 | 1953-10-22 | Gossen & Co G M B H P | Exposure regulator with preselection of an aperture base |
DE1027062B (en) * | 1954-06-24 | 1958-03-27 | Walter Herterich | Exposure control device |
GB775704A (en) * | 1955-01-05 | 1957-05-29 | Kodak Ltd | Improvements in or relating to photographic exposure controlling means |
-
1958
- 1958-05-02 DE DEA29389A patent/DE1175981B/en active Pending
-
1959
- 1959-05-01 GB GB15035/59A patent/GB911824A/en not_active Expired
- 1959-05-02 CH CH7283859A patent/CH370312A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE1175981B (en) | 1964-08-13 |
GB911824A (en) | 1962-11-28 |
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