FR2149334A2 - - Google Patents
Info
- Publication number
- FR2149334A2 FR2149334A2 FR7210094A FR7210094A FR2149334A2 FR 2149334 A2 FR2149334 A2 FR 2149334A2 FR 7210094 A FR7210094 A FR 7210094A FR 7210094 A FR7210094 A FR 7210094A FR 2149334 A2 FR2149334 A2 FR 2149334A2
- Authority
- FR
- France
- 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.)
- Granted
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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
-
- 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
- G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15713371 | 1971-08-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2149334A2 true FR2149334A2 (cs) | 1973-03-30 |
| FR2149334B2 FR2149334B2 (cs) | 1977-03-18 |
Family
ID=5484199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7210094A Expired FR2149334B2 (cs) | 1971-08-16 | 1972-03-22 |
Country Status (3)
| Country | Link |
|---|---|
| AT (1) | AT318388B (cs) |
| DE (2) | DE2161276C3 (cs) |
| FR (1) | FR2149334B2 (cs) |
-
1971
- 1971-12-10 DE DE2161276A patent/DE2161276C3/de not_active Expired
-
1972
- 1972-02-17 DE DE19727205873U patent/DE7205873U/de not_active Expired
- 1972-03-22 FR FR7210094A patent/FR2149334B2/fr not_active Expired
- 1972-06-21 AT AT533172A patent/AT318388B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2161276A1 (de) | 1973-02-22 |
| DE7205873U (de) | 1972-05-04 |
| AT318388B (de) | 1974-10-10 |
| FR2149334B2 (cs) | 1977-03-18 |
| DE2161276C3 (de) | 1975-03-20 |
| DE2161276B2 (de) | 1974-07-25 |