FR2226075A5 - - Google Patents
Info
- Publication number
- FR2226075A5 FR2226075A5 FR7314655A FR7314655A FR2226075A5 FR 2226075 A5 FR2226075 A5 FR 2226075A5 FR 7314655 A FR7314655 A FR 7314655A FR 7314655 A FR7314655 A FR 7314655A FR 2226075 A5 FR2226075 A5 FR 2226075A5
- 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0452—Electrical ignition means connected to the shutter
-
- 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
-
- 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
- G03B7/091—Digital circuits
-
- 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
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
-
- 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)
- Shutters For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24689172A | 1972-04-24 | 1972-04-24 | |
US00333331A US3820128A (en) | 1972-04-24 | 1973-02-16 | Flash photographic control system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2226075A5 true FR2226075A5 (ko) | 1974-11-08 |
Family
ID=26938305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7314655A Expired FR2226075A5 (ko) | 1972-04-24 | 1973-04-20 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3820128A (ko) |
FR (1) | FR2226075A5 (ko) |
GB (1) | GB1391293A (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326720A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2326719A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2326721A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2338507A1 (fr) * | 1976-01-13 | 1977-08-12 | Polaroid Corp | Appareil de prise de vues muni d'un verrouillage d'obturateur perfectionne |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4005449A (en) * | 1973-12-13 | 1977-01-25 | Polaroid Corporation | Flash photographic system with camera inhibit feature |
US3896459A (en) * | 1974-05-29 | 1975-07-22 | Honeywell Inc | Control circuit for an automatic photographic camera |
US4017876A (en) * | 1976-01-13 | 1977-04-12 | Polaroid Corporation | Shutter latch system with automatic release for shock damping member |
US4182561A (en) * | 1978-08-03 | 1980-01-08 | Polaroid Corporation | Fast charging electronic flash device |
US4185144A (en) * | 1978-09-05 | 1980-01-22 | Polaroid Corporation | Electrochemical cell with a cadmium patch electrode |
US4184756A (en) * | 1978-10-13 | 1980-01-22 | Polaroid Corporation | Strobe without primary storage capacitor |
US4291964A (en) * | 1980-01-28 | 1981-09-29 | Polaroid Corporation | Strobe switch with camera control feature |
-
1973
- 1973-02-16 US US00333331A patent/US3820128A/en not_active Expired - Lifetime
- 1973-04-13 GB GB1796673A patent/GB1391293A/en not_active Expired
- 1973-04-20 FR FR7314655A patent/FR2226075A5/fr not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2326720A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2326719A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2326721A1 (fr) * | 1975-10-03 | 1977-04-29 | Polaroid Corp | Appareil de prise de vues photographiques comportant un systeme de commande d'exposition perfectionne |
FR2338507A1 (fr) * | 1976-01-13 | 1977-08-12 | Polaroid Corp | Appareil de prise de vues muni d'un verrouillage d'obturateur perfectionne |
Also Published As
Publication number | Publication date |
---|---|
US3820128A (en) | 1974-06-25 |
GB1391293A (en) | 1975-04-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |