JPS5075034A - - Google Patents
Info
- Publication number
- JPS5075034A JPS5075034A JP11857374A JP11857374A JPS5075034A JP S5075034 A JPS5075034 A JP S5075034A JP 11857374 A JP11857374 A JP 11857374A JP 11857374 A JP11857374 A JP 11857374A JP S5075034 A JPS5075034 A JP S5075034A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- 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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732353703 DE2353703C3 (en) | 1973-10-26 | 1973-10-26 | Photographic or cinematographic camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5075034A true JPS5075034A (en) | 1975-06-20 |
Family
ID=5896507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11857374A Pending JPS5075034A (en) | 1973-10-26 | 1974-10-15 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5075034A (en) |
| AT (1) | AT339139B (en) |
| CH (1) | CH569300A5 (en) |
| DE (1) | DE2353703C3 (en) |
| FR (1) | FR2249358A1 (en) |
| GB (1) | GB1491496A (en) |
| HK (1) | HK42778A (en) |
| IT (1) | IT1023085B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465248A1 (en) * | 1979-09-06 | 1981-03-20 | Reygnier Robert | Filter analyser for colour film processing - uses test strip of film exposed progressively by blanking disc segment |
| JPS5643629A (en) * | 1979-09-18 | 1981-04-22 | Olympus Optical Co Ltd | Diaphragm control unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1918712A1 (en) * | 1969-04-12 | 1971-01-21 | Prontor Werk Gauthier Gmbh | Automatic aperture control, especially for photographic and cinematographic apparatus |
-
1973
- 1973-10-26 DE DE19732353703 patent/DE2353703C3/en not_active Expired
-
1974
- 1974-07-12 AT AT578774A patent/AT339139B/en not_active IP Right Cessation
- 1974-10-07 FR FR7433644A patent/FR2249358A1/fr not_active Withdrawn
- 1974-10-10 CH CH1361974A patent/CH569300A5/xx not_active IP Right Cessation
- 1974-10-15 JP JP11857374A patent/JPS5075034A/ja active Pending
- 1974-10-24 IT IT5370574A patent/IT1023085B/en active
- 1974-10-28 GB GB4652374A patent/GB1491496A/en not_active Expired
-
1978
- 1978-08-03 HK HK42778A patent/HK42778A/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1918712A1 (en) * | 1969-04-12 | 1971-01-21 | Prontor Werk Gauthier Gmbh | Automatic aperture control, especially for photographic and cinematographic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1023085B (en) | 1978-05-10 |
| FR2249358A1 (en) | 1975-05-23 |
| CH569300A5 (en) | 1975-11-14 |
| ATA578774A (en) | 1977-01-15 |
| HK42778A (en) | 1978-08-11 |
| DE2353703C3 (en) | 1981-06-11 |
| GB1491496A (en) | 1977-11-09 |
| DE2353703A1 (en) | 1975-05-07 |
| AT339139B (en) | 1977-10-10 |
| DE2353703B2 (en) | 1975-11-20 |