GB898329A - Photographic camera with built in exposure meter - Google Patents
Photographic camera with built in exposure meterInfo
- Publication number
- GB898329A GB898329A GB3135458A GB3135458A GB898329A GB 898329 A GB898329 A GB 898329A GB 3135458 A GB3135458 A GB 3135458A GB 3135458 A GB3135458 A GB 3135458A GB 898329 A GB898329 A GB 898329A
- Authority
- GB
- United Kingdom
- Prior art keywords
- follower
- exposure meter
- transmission
- camera
- pin
- 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
- G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
- G03B7/06—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark by a follow-up movement of an associated reference mark to the pointer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
Abstract
898,329. Photographic cameras. AGFA A.G. Oct. 1, 1958 [Oct. 4, 1957], No. 31354/58. Class 98(1). In a photographic camera, in which the setting of the diaphragm aperture and shutter speed adjusts a follower mechanism of an exposure meter, resilient means control a lost-motion connection in the transmission from the adjustment means to the follower mechanism. As shown, shaft 8 is connected to diaphragm aperture and shutter speed adjusting rings on the lens mount of a camera and is rotated when they are adjusted to alter the exposure value. The rotation is transmitted to lever 12 by spring 14 which is turned by pin 11 on lever 10, the bush 9 of which is rotationally fast with shaft 8. Pin 15 actuates rack 19 to turn pinion 20 and therewith edge cam 28. Sliding cam follower 29 may adjust the follower pointer of an exposure meter (not shown), bring the exposure meter pointer to an index mark on its scale, or rotate the whole galvanometer. A pivoted cam follower may alternatively replace sliding cam follower 29. When re-wind knob 23 is withdrawn to expose an index mark on sleeve 24, the transmission may be adjusted for different film sensitivities marked on disc 26. This is effected by lifting disc 26 against compression spring 30 and re-engaging pin 27 in the appropriate hole 25. Spring 14 allows lost-motion between levers 10 and 12 if a strain is accidentally placed on the transmission by mishandling the camera controls.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0010647 | 1957-10-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB898329A true GB898329A (en) | 1962-06-06 |
Family
ID=6922079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3135458A Expired GB898329A (en) | 1957-10-04 | 1958-10-01 | Photographic camera with built in exposure meter |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB898329A (en) |
-
1958
- 1958-10-01 GB GB3135458A patent/GB898329A/en not_active Expired
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