DD125543A1 - - Google Patents
Info
- Publication number
- DD125543A1 DD125543A1 DD191078A DD19107876A DD125543A1 DD 125543 A1 DD125543 A1 DD 125543A1 DD 191078 A DD191078 A DD 191078A DD 19107876 A DD19107876 A DD 19107876A DD 125543 A1 DD125543 A1 DD 125543A1
- Authority
- DD
- German Democratic Republic
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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
-
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cameras In General (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD191078A DD125543A1 (forum.php) | 1976-02-04 | 1976-02-04 | |
| DE19767640153U DE7640153U1 (de) | 1976-02-04 | 1976-12-22 | Belichtungsinnenmessung bei photographischen kameras |
| DE2658071A DE2658071C3 (de) | 1976-02-04 | 1976-12-22 | Belichtungsinnenmessung bei photographischen Kameras |
| GB4262/77A GB1531683A (en) | 1976-02-04 | 1977-02-02 | Photographic camera including exposure measuring apparatu |
| US05/871,570 US4172643A (en) | 1976-02-04 | 1978-01-23 | Exposure measuring apparatus for photographic cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD191078A DD125543A1 (forum.php) | 1976-02-04 | 1976-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD125543A1 true DD125543A1 (forum.php) | 1977-05-04 |
Family
ID=5503439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD191078A DD125543A1 (forum.php) | 1976-02-04 | 1976-02-04 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD125543A1 (forum.php) |
| DE (2) | DE7640153U1 (forum.php) |
| GB (1) | GB1531683A (forum.php) |
-
1976
- 1976-02-04 DD DD191078A patent/DD125543A1/xx unknown
- 1976-12-22 DE DE19767640153U patent/DE7640153U1/de not_active Expired
- 1976-12-22 DE DE2658071A patent/DE2658071C3/de not_active Expired
-
1977
- 1977-02-02 GB GB4262/77A patent/GB1531683A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1531683A (en) | 1978-11-08 |
| DE2658071A1 (de) | 1977-08-11 |
| DE2658071B2 (de) | 1980-03-06 |
| DE7640153U1 (de) | 1977-04-28 |
| DE2658071C3 (de) | 1980-11-13 |