FR2227550A1 - - Google Patents
Info
- Publication number
- FR2227550A1 FR2227550A1 FR7414607A FR7414607A FR2227550A1 FR 2227550 A1 FR2227550 A1 FR 2227550A1 FR 7414607 A FR7414607 A FR 7414607A FR 7414607 A FR7414607 A FR 7414607A FR 2227550 A1 FR2227550 A1 FR 2227550A1
- 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
- G03B7/085—Analogue circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48048673A JPS50835A (en) | 1973-04-28 | 1973-04-28 | |
JP48073200A JPS5023226A (en) | 1973-06-28 | 1973-06-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2227550A1 true FR2227550A1 (en) | 1974-11-22 |
FR2227550B1 FR2227550B1 (en) | 1977-03-04 |
Family
ID=26388977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7414607A Expired FR2227550B1 (en) | 1973-04-28 | 1974-04-26 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2420429A1 (en) |
FR (1) | FR2227550B1 (en) |
-
1974
- 1974-04-26 FR FR7414607A patent/FR2227550B1/fr not_active Expired
- 1974-04-26 DE DE19742420429 patent/DE2420429A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2420429A1 (en) | 1974-11-14 |
FR2227550B1 (en) | 1977-03-04 |