FR2091629A5 - - Google Patents
Info
- Publication number
- FR2091629A5 FR2091629A5 FR7117532A FR7117532A FR2091629A5 FR 2091629 A5 FR2091629 A5 FR 2091629A5 FR 7117532 A FR7117532 A FR 7117532A FR 7117532 A FR7117532 A FR 7117532A FR 2091629 A5 FR2091629 A5 FR 2091629A5
- 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.)
- 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
- G03B7/083—Analogue circuits for control of exposure time
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5075570 | 1970-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2091629A5 true FR2091629A5 (enExample) | 1972-01-14 |
Family
ID=12867642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7117532A Expired FR2091629A5 (enExample) | 1970-05-23 | 1971-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3812497A (enExample) |
| DE (1) | DE2125649C2 (enExample) |
| FR (1) | FR2091629A5 (enExample) |
| GB (1) | GB1335249A (enExample) |
-
1971
- 1971-04-19 GB GB2624771*A patent/GB1335249A/en not_active Expired
- 1971-04-21 US US00136105A patent/US3812497A/en not_active Expired - Lifetime
- 1971-05-14 FR FR7117532A patent/FR2091629A5/fr not_active Expired
- 1971-05-24 DE DE2125649A patent/DE2125649C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3812497A (en) | 1974-05-21 |
| DE2125649C2 (de) | 1975-04-10 |
| GB1335249A (en) | 1973-10-24 |
| DE2125649A1 (enExample) | 1972-10-12 |