FR2046757B1 - - Google Patents
Info
- Publication number
- FR2046757B1 FR2046757B1 FR707021723A FR7021723A FR2046757B1 FR 2046757 B1 FR2046757 B1 FR 2046757B1 FR 707021723 A FR707021723 A FR 707021723A FR 7021723 A FR7021723 A FR 7021723A FR 2046757 B1 FR2046757 B1 FR 2046757B1
- 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
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
-
- 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)
- Transforming Light Signals Into Electric Signals (AREA)
- Exposure Control For Cameras (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4655569 | 1969-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2046757A1 FR2046757A1 (de) | 1971-03-12 |
| FR2046757B1 true FR2046757B1 (de) | 1973-01-12 |
Family
ID=12750553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR707021723A Expired FR2046757B1 (de) | 1969-06-13 | 1970-06-12 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2029064C3 (de) |
| FR (1) | FR2046757B1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842415B2 (ja) * | 1974-03-08 | 1983-09-20 | ミノルタ株式会社 | カメラノロシユツジヨウホウエンザンカイロ |
| JPS54102024U (de) * | 1979-01-18 | 1979-07-18 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3641890A (en) * | 1967-10-31 | 1972-02-15 | Nippon Kogaku Kk | Exposure-measuring device for cameras provided with electronic shutter |
| JPS5025336B1 (de) * | 1967-11-28 | 1975-08-22 |
-
1970
- 1970-06-12 FR FR707021723A patent/FR2046757B1/fr not_active Expired
- 1970-06-12 DE DE2029064A patent/DE2029064C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2029064C3 (de) | 1975-03-06 |
| DE2029064A1 (de) | 1971-02-18 |
| DE2029064B2 (de) | 1974-07-18 |
| FR2046757A1 (de) | 1971-03-12 |