CH451691A - Automatic exposure control device for photographic apparatus - Google Patents
Automatic exposure control device for photographic apparatusInfo
- Publication number
- CH451691A CH451691A CH399964A CH399964A CH451691A CH 451691 A CH451691 A CH 451691A CH 399964 A CH399964 A CH 399964A CH 399964 A CH399964 A CH 399964A CH 451691 A CH451691 A CH 451691A
- Authority
- CH
- Switzerland
- Prior art keywords
- control device
- exposure control
- automatic exposure
- photographic apparatus
- photographic
- 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
- G03B7/081—Analogue circuits
- G03B7/083—Analogue circuits for control of exposure time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US268881A US3205803A (en) | 1963-03-29 | 1963-03-29 | Shutter timing apparatus |
US269000A US3200723A (en) | 1963-03-29 | 1963-03-29 | Shutter timing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
CH451691A true CH451691A (en) | 1968-05-15 |
Family
ID=26953382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH399964A CH451691A (en) | 1963-03-29 | 1964-03-26 | Automatic exposure control device for photographic apparatus |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH451691A (en) |
DE (1) | DE1299218B (en) |
NL (1) | NL140987B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2347700A1 (en) * | 1976-04-08 | 1977-11-04 | Polaroid Corp | PHOTOGRAPHIC SHOOTING EQUIPMENT INCLUDING AN ELECTRONIC FLASH WITH FIXED DELAY EXTINGUISHING |
-
1964
- 1964-03-25 DE DE1964I0025540 patent/DE1299218B/en active Pending
- 1964-03-26 CH CH399964A patent/CH451691A/en unknown
- 1964-03-26 NL NL6403303A patent/NL140987B/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2347700A1 (en) * | 1976-04-08 | 1977-11-04 | Polaroid Corp | PHOTOGRAPHIC SHOOTING EQUIPMENT INCLUDING AN ELECTRONIC FLASH WITH FIXED DELAY EXTINGUISHING |
Also Published As
Publication number | Publication date |
---|---|
NL140987B (en) | 1974-01-15 |
DE1299218B (en) | 1969-07-10 |
NL6403303A (en) | 1964-09-30 |
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