FR2077604A1 - - Google Patents
Info
- Publication number
- FR2077604A1 FR2077604A1 FR7101336A FR7101336A FR2077604A1 FR 2077604 A1 FR2077604 A1 FR 2077604A1 FR 7101336 A FR7101336 A FR 7101336A FR 7101336 A FR7101336 A FR 7101336A FR 2077604 A1 FR2077604 A1 FR 2077604A1
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Shutters For Cameras (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP470370 | 1970-01-16 | ||
| JP1970013174U JPS5225146Y1 (OSRAM) | 1970-02-10 | 1970-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2077604A1 true FR2077604A1 (OSRAM) | 1971-10-29 |
| FR2077604B1 FR2077604B1 (OSRAM) | 1973-06-08 |
Family
ID=26338518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7101336A Expired FR2077604B1 (OSRAM) | 1970-01-16 | 1971-01-15 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2101616C3 (OSRAM) |
| FR (1) | FR2077604B1 (OSRAM) |
| GB (1) | GB1333298A (OSRAM) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1164794A (fr) * | 1957-01-17 | 1958-10-14 | Montage sélecteur à transistors, pour la commande de servo-mécanismes | |
| FR1470699A (fr) * | 1966-03-04 | 1967-02-24 | Agfa Gevaert Ag | Procédé pour réglage de la durée d'exposition dans les machines à copier |
| US3324779A (en) * | 1964-05-26 | 1967-06-13 | Asahi Optical Co Ltd | Photoelectric time control shutter circuit for photographic camera |
| GB1148059A (en) * | 1965-07-21 | 1969-04-10 | Honeywell Inc | Improvements in or relating to automatic exposure control apparatus for cameras |
-
1971
- 1971-01-14 DE DE19712101616 patent/DE2101616C3/de not_active Expired
- 1971-01-15 FR FR7101336A patent/FR2077604B1/fr not_active Expired
- 1971-01-18 GB GB234471A patent/GB1333298A/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1164794A (fr) * | 1957-01-17 | 1958-10-14 | Montage sélecteur à transistors, pour la commande de servo-mécanismes | |
| US3324779A (en) * | 1964-05-26 | 1967-06-13 | Asahi Optical Co Ltd | Photoelectric time control shutter circuit for photographic camera |
| GB1148059A (en) * | 1965-07-21 | 1969-04-10 | Honeywell Inc | Improvements in or relating to automatic exposure control apparatus for cameras |
| FR1470699A (fr) * | 1966-03-04 | 1967-02-24 | Agfa Gevaert Ag | Procédé pour réglage de la durée d'exposition dans les machines à copier |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1333298A (en) | 1973-10-10 |
| DE2101616A1 (de) | 1972-07-20 |
| DE2101616B2 (de) | 1973-11-22 |
| FR2077604B1 (OSRAM) | 1973-06-08 |
| DE2101616C3 (de) | 1974-06-20 |