CH607594A5 - - Google Patents
Info
- Publication number
- CH607594A5 CH607594A5 CH516276A CH516276A CH607594A5 CH 607594 A5 CH607594 A5 CH 607594A5 CH 516276 A CH516276 A CH 516276A CH 516276 A CH516276 A CH 516276A CH 607594 A5 CH607594 A5 CH 607594A5
- Authority
- CH
- Switzerland
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
- G03B7/095—Digital circuits for control of aperture
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
- Control Of Stepping Motors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752518675 DE2518675B2 (de) | 1975-04-26 | 1975-04-26 | Belichtungsregler fuer filmkameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH607594A5 true CH607594A5 (de) | 1978-09-15 |
Family
ID=5945092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH516276A CH607594A5 (de) | 1975-04-26 | 1976-04-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4084893A (de) |
| AT (1) | AT349894B (de) |
| CH (1) | CH607594A5 (de) |
| DE (1) | DE2518675B2 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734309A1 (de) * | 1977-07-29 | 1979-02-08 | Agfa Gevaert Ag | Kinematografische kamera mit einer blendenregelvorrichtung |
| JPS5538583A (en) * | 1978-09-13 | 1980-03-18 | Sankyo Seiki Mfg Co Ltd | Exposure control mechanism in cine camera |
| FR2465248A1 (fr) * | 1979-09-06 | 1981-03-20 | Reygnier Robert | Analyseur de filtrage pour tirage photographique couleur |
| JPS5643629A (en) * | 1979-09-18 | 1981-04-22 | Olympus Optical Co Ltd | Diaphragm control unit |
| US4458992A (en) * | 1982-09-29 | 1984-07-10 | Preston Howard J | Automatic exposure correction system |
| JP2520491B2 (ja) * | 1989-12-12 | 1996-07-31 | キヤノン電子株式会社 | 光学機器 |
| CA2710383C (en) | 2009-08-31 | 2017-11-14 | Henry Company | Coating composition exhibiting reduced block, rapid dry rate and related method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH472685A (de) * | 1967-03-22 | 1969-05-15 | Fuji Photo Film Co Ltd | Schaltungsanordnung für eine Filmkamera |
| US3972607A (en) * | 1974-12-30 | 1976-08-03 | Agfa-Gevaert, A.G. | Analog/digital control arrangement for photographic apparatus |
-
1975
- 1975-04-26 DE DE19752518675 patent/DE2518675B2/de not_active Withdrawn
-
1976
- 1976-04-22 US US05/679,238 patent/US4084893A/en not_active Expired - Lifetime
- 1976-04-23 CH CH516276A patent/CH607594A5/xx not_active IP Right Cessation
- 1976-04-26 AT AT301976A patent/AT349894B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2518675A1 (de) | 1976-11-04 |
| US4084893A (en) | 1978-04-18 |
| DE2518675B2 (de) | 1977-07-28 |
| ATA301976A (de) | 1978-09-15 |
| AT349894B (de) | 1979-04-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |