DD109088A5 - - Google Patents
Info
- Publication number
- DD109088A5 DD109088A5 DD174752A DD17475273A DD109088A5 DD 109088 A5 DD109088 A5 DD 109088A5 DD 174752 A DD174752 A DD 174752A DD 17475273 A DD17475273 A DD 17475273A DD 109088 A5 DD109088 A5 DD 109088A5
- Authority
- DD
- German Democratic Republic
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
-
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Exposure Control For Cameras (AREA)
- Microscoopes, Condenser (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1021872A AT335198B (de) | 1972-12-01 | 1972-12-01 | Einrichtung zur bestimmung der belichtungszeit fur ein photographisches aufnahmegerat |
Publications (1)
Publication Number | Publication Date |
---|---|
DD109088A5 true DD109088A5 (fr) | 1974-10-12 |
Family
ID=3620748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD174752A DD109088A5 (fr) | 1972-12-01 | 1973-11-20 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3896455A (fr) |
JP (1) | JPS4989529A (fr) |
AT (1) | AT335198B (fr) |
DD (1) | DD109088A5 (fr) |
FR (1) | FR2225734B1 (fr) |
GB (1) | GB1446186A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4192586A (en) * | 1975-07-21 | 1980-03-11 | Vivitar Corporation | Electronic system for photographic devices |
US4040067A (en) * | 1975-09-17 | 1977-08-02 | Toshihiro Kondo | Photographic camera with automatically controlled filter |
US3974512A (en) * | 1975-10-14 | 1976-08-10 | Compur-Werk Gesellschaft Mit Beschrankter Haftung & Co. | Electronic control device for photographic exposure factors |
FR2478834A1 (fr) * | 1980-03-21 | 1981-09-25 | Aaton Sa | Dispositif de mesure photometrique pour le reglage automatique de la quantite de lumiere penetrant dans un appareil de prise de vues |
JPS5782318U (fr) * | 1980-08-29 | 1982-05-21 | ||
US6624641B1 (en) * | 2000-09-26 | 2003-09-23 | Spx Corporation | Air bag simulator and method of simulating an air bag |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5025336B1 (fr) * | 1967-11-28 | 1975-08-22 | ||
FR2011263A1 (fr) * | 1968-06-20 | 1970-02-27 | Asahi Optical Co Ltd | |
US3690230A (en) * | 1969-12-25 | 1972-09-12 | Asahi Optical Co Ltd | Electronic circuits for automatic camera controls |
JPS5211223B1 (fr) * | 1970-04-06 | 1977-03-29 | ||
US3757654A (en) * | 1971-04-19 | 1973-09-11 | Asahi Optical Co Ltd | Camera having automatic exposure and automatic flash controls |
JPS4853720A (fr) * | 1971-11-02 | 1973-07-28 |
-
1972
- 1972-12-01 AT AT1021872A patent/AT335198B/de not_active IP Right Cessation
-
1973
- 1973-11-20 DD DD174752A patent/DD109088A5/xx unknown
- 1973-11-29 FR FR7343535A patent/FR2225734B1/fr not_active Expired
- 1973-11-29 US US420355A patent/US3896455A/en not_active Expired - Lifetime
- 1973-11-30 JP JP48133643A patent/JPS4989529A/ja active Pending
- 1973-12-03 GB GB5587773A patent/GB1446186A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2225734A1 (fr) | 1974-11-08 |
DE2336491B2 (de) | 1975-12-11 |
GB1446186A (en) | 1976-08-18 |
JPS4989529A (fr) | 1974-08-27 |
AT335198B (de) | 1977-02-25 |
DE2336491A1 (de) | 1974-06-12 |
ATA1021872A (de) | 1976-06-15 |
FR2225734B1 (fr) | 1977-09-30 |
US3896455A (en) | 1975-07-22 |