DE2660092C2 - - Google Patents
Info
- Publication number
- DE2660092C2 DE2660092C2 DE2660092A DE2660092A DE2660092C2 DE 2660092 C2 DE2660092 C2 DE 2660092C2 DE 2660092 A DE2660092 A DE 2660092A DE 2660092 A DE2660092 A DE 2660092A DE 2660092 C2 DE2660092 C2 DE 2660092C2
- Authority
- DE
- Germany
- 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
- G03B7/091—Digital circuits
- G03B7/093—Digital circuits for control of exposure time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (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 |
|---|---|---|---|
| JP50064945A JPS51140725A (en) | 1975-05-30 | 1975-05-30 | Exposure time control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2660092B1 DE2660092B1 (de) | 1979-07-19 |
| DE2660092C2 true DE2660092C2 (enExample) | 1980-04-03 |
Family
ID=13272675
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2660092A Granted DE2660092B1 (de) | 1975-05-30 | 1976-05-28 | Digitale Belichtungssteuerschaltung fuer eine Kamera |
| DE762624077A Expired DE2624077C3 (de) | 1975-05-30 | 1976-05-28 | Belichtungssteuerung für einen Fotoapparat |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE762624077A Expired DE2624077C3 (de) | 1975-05-30 | 1976-05-28 | Belichtungssteuerung für einen Fotoapparat |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4255027A (enExample) |
| JP (1) | JPS51140725A (enExample) |
| DE (2) | DE2660092B1 (enExample) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331803Y2 (enExample) * | 1972-07-10 | 1978-08-08 | ||
| JPS532567B2 (enExample) * | 1972-09-20 | 1978-01-30 | ||
| JPS5610609B2 (enExample) * | 1972-12-29 | 1981-03-09 | ||
| US3995284A (en) * | 1972-12-29 | 1976-11-30 | Minolta Camera Kabushiki Kaisha | Automatic exposure time control circuit |
| DE2410959C3 (de) * | 1973-03-07 | 1978-03-30 | Canon Kk | Belichtungssteuerschaltung für eine Kamera |
| JPS5433151B2 (enExample) * | 1973-04-12 | 1979-10-18 | ||
| DE2319167C3 (de) * | 1973-04-16 | 1986-05-28 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Belichtungssteuervorrichtung für fotografische Kameras |
| JPS5127589B2 (enExample) * | 1973-04-25 | 1976-08-13 | ||
| JPS5017882A (enExample) * | 1973-06-15 | 1975-02-25 | ||
| JPS5051321A (enExample) * | 1973-09-05 | 1975-05-08 | ||
| DE2408908A1 (de) * | 1974-02-25 | 1975-09-04 | Leitz Ernst Gmbh | Digitaler zeitbildner fuer den verschluss einer fotografischen kamera |
-
1975
- 1975-05-30 JP JP50064945A patent/JPS51140725A/ja active Pending
-
1976
- 1976-05-28 DE DE2660092A patent/DE2660092B1/de active Granted
- 1976-05-28 DE DE762624077A patent/DE2624077C3/de not_active Expired
-
1979
- 1979-04-26 US US06/033,499 patent/US4255027A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2624077A1 (de) | 1976-12-30 |
| US4255027A (en) | 1981-03-10 |
| DE2660092B1 (de) | 1979-07-19 |
| JPS51140725A (en) | 1976-12-03 |
| DE2624077B2 (de) | 1978-07-20 |
| DE2624077C3 (de) | 1979-03-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| OD | Request for examination | ||
| 8339 | Ceased/non-payment of the annual fee |