JPS4830928A - - Google Patents
Info
- Publication number
- JPS4830928A JPS4830928A JP46065426A JP6542671A JPS4830928A JP S4830928 A JPS4830928 A JP S4830928A JP 46065426 A JP46065426 A JP 46065426A JP 6542671 A JP6542671 A JP 6542671A JP S4830928 A JPS4830928 A JP S4830928A
- Authority
- JP
- Japan
- 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)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6542671A JPS5629252B2 (ja) | 1971-08-26 | 1971-08-26 | |
| US00284604A US3798661A (en) | 1971-08-26 | 1972-08-29 | Automatic diaphragm control device for a camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6542671A JPS5629252B2 (ja) | 1971-08-26 | 1971-08-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4830928A true JPS4830928A (ja) | 1973-04-23 |
| JPS5629252B2 JPS5629252B2 (ja) | 1981-07-07 |
Family
ID=13286723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6542671A Expired JPS5629252B2 (ja) | 1971-08-26 | 1971-08-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3798661A (ja) |
| JP (1) | JPS5629252B2 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150729A (en) * | 1974-10-29 | 1976-05-04 | Asahi Optical Co Ltd | Kamerano jidoroshutsuseigyosochi |
| JPS5183525A (ja) * | 1975-01-20 | 1976-07-22 | Canon Kk | |
| JPS5386208A (en) * | 1976-12-24 | 1978-07-29 | Konishiroku Photo Ind Co Ltd | Photograph aperture control method |
| JPS5386209A (en) * | 1976-12-24 | 1978-07-29 | Konishiroku Photo Ind Co Ltd | Photograph diaphragm value detecting method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH446878A (de) * | 1965-12-01 | 1967-11-15 | Compur Werk Gmbh & Co | Lichtbildaufnahmegerät mit elektronischer Einrichtung zur Belichtungsfaktor-Einstellung |
| US3482497A (en) * | 1967-03-15 | 1969-12-09 | Eastman Kodak Co | Automatic exposure control for cameras |
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1971
- 1971-08-26 JP JP6542671A patent/JPS5629252B2/ja not_active Expired
-
1972
- 1972-08-29 US US00284604A patent/US3798661A/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5150729A (en) * | 1974-10-29 | 1976-05-04 | Asahi Optical Co Ltd | Kamerano jidoroshutsuseigyosochi |
| JPS5183525A (ja) * | 1975-01-20 | 1976-07-22 | Canon Kk | |
| JPS5386208A (en) * | 1976-12-24 | 1978-07-29 | Konishiroku Photo Ind Co Ltd | Photograph aperture control method |
| JPS5386209A (en) * | 1976-12-24 | 1978-07-29 | Konishiroku Photo Ind Co Ltd | Photograph diaphragm value detecting method |
| JPS6260686B2 (ja) * | 1976-12-24 | 1987-12-17 | Konishiroku Photo Ind |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5629252B2 (ja) | 1981-07-07 |
| US3798661A (en) | 1974-03-19 |