AT349894B - Belichtungsregler fuer filmkameras - Google Patents
Belichtungsregler fuer filmkamerasInfo
- Publication number
- AT349894B AT349894B AT301976A AT301976A AT349894B AT 349894 B AT349894 B AT 349894B AT 301976 A AT301976 A AT 301976A AT 301976 A AT301976 A AT 301976A AT 349894 B AT349894 B AT 349894B
- Authority
- AT
- Austria
- Prior art keywords
- exposure controller
- film cameras
- cameras
- film
- exposure
- Prior art date
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)
- Shutters For Cameras (AREA)
- Exposure Control 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 (2)
Publication Number | Publication Date |
---|---|
ATA301976A ATA301976A (de) | 1978-09-15 |
AT349894B true AT349894B (de) | 1979-04-25 |
Family
ID=5945092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT301976A AT349894B (de) | 1975-04-26 | 1976-04-26 | Belichtungsregler fuer filmkameras |
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 |
---|---|
ATA301976A (de) | 1978-09-15 |
US4084893A (en) | 1978-04-18 |
DE2518675A1 (de) | 1976-11-04 |
CH607594A5 (de) | 1978-09-15 |
DE2518675B2 (de) | 1977-07-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee | ||
ELJ | Ceased due to non-payment of the annual fee |