JPS4941530U - - Google Patents
Info
- Publication number
- JPS4941530U JPS4941530U JP1972082526U JP8252672U JPS4941530U JP S4941530 U JPS4941530 U JP S4941530U JP 1972082526 U JP1972082526 U JP 1972082526U JP 8252672 U JP8252672 U JP 8252672U JP S4941530 U JPS4941530 U JP S4941530U
- 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
- G03B43/00—Testing correct operation of photographic apparatus or parts thereof
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/58—Means for varying duration of "open" period of shutter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutter-Related Mechanisms (AREA)
- Exposure Control For Cameras (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972082526U JPS5123341Y2 (cg-RX-API-DMAC7.html) | 1972-07-14 | 1972-07-14 | |
| GB3182073A GB1382209A (en) | 1972-07-10 | 1973-07-04 | Control circuit for a camera shutter |
| FR7325822A FR2193492A5 (cg-RX-API-DMAC7.html) | 1972-07-14 | 1973-07-13 | |
| DE2335807A DE2335807C3 (de) | 1972-07-14 | 1973-07-13 | Belichtungssteuerschaltung |
| US379777A US3868705A (en) | 1972-07-14 | 1973-07-16 | Control circuit for electronic shutter for electronic shutter having battery-checking circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972082526U JPS5123341Y2 (cg-RX-API-DMAC7.html) | 1972-07-14 | 1972-07-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4941530U true JPS4941530U (cg-RX-API-DMAC7.html) | 1974-04-12 |
| JPS5123341Y2 JPS5123341Y2 (cg-RX-API-DMAC7.html) | 1976-06-15 |
Family
ID=13776952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972082526U Expired JPS5123341Y2 (cg-RX-API-DMAC7.html) | 1972-07-10 | 1972-07-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3868705A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5123341Y2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2335807C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2193492A5 (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5093146U (cg-RX-API-DMAC7.html) * | 1973-12-27 | 1975-08-05 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1472701A1 (de) * | 1965-07-09 | 1969-03-27 | Rollei Werke Franke Heidecke | Photographische Kamera mit photoelektrischer Belichtungszeit-Regelung |
| DE1299217B (de) * | 1965-10-23 | 1969-07-10 | Prontor Werk Gauthier Gmbh | Photographische Kamera mit elektronisch gesteuerter Belichtungszeitbildung |
| DE1772019C3 (de) * | 1968-03-21 | 1976-01-02 | Kodak Ag, 7000 Stuttgart | Photographische Kamera mit einer Einrichtung zur elektronischen VerschluBzeitsteuerung auf Integrierbasis |
| US3631777A (en) * | 1968-07-30 | 1972-01-04 | Asahi Optical Co Ltd | Automatic camera shutter |
| US3646859A (en) * | 1970-01-27 | 1972-03-07 | Asahi Optical Co Ltd | Camera provided with automatic exposure and battery-checking circuits |
-
1972
- 1972-07-14 JP JP1972082526U patent/JPS5123341Y2/ja not_active Expired
-
1973
- 1973-07-13 DE DE2335807A patent/DE2335807C3/de not_active Expired
- 1973-07-13 FR FR7325822A patent/FR2193492A5/fr not_active Expired
- 1973-07-16 US US379777A patent/US3868705A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5123341Y2 (cg-RX-API-DMAC7.html) | 1976-06-15 |
| DE2335807B2 (de) | 1981-07-30 |
| US3868705A (en) | 1975-02-25 |
| FR2193492A5 (cg-RX-API-DMAC7.html) | 1974-02-15 |
| DE2335807A1 (de) | 1974-01-24 |
| DE2335807C3 (de) | 1982-04-01 |