NL140987B - Belichtingsregelinrichting. - Google Patents
Belichtingsregelinrichting.Info
- Publication number
- NL140987B NL140987B NL6403303A NL6403303A NL140987B NL 140987 B NL140987 B NL 140987B NL 6403303 A NL6403303 A NL 6403303A NL 6403303 A NL6403303 A NL 6403303A NL 140987 B NL140987 B NL 140987B
- Authority
- NL
- Netherlands
- Prior art keywords
- control device
- exposure control
- exposure
- control
- 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 |
---|---|---|---|
US269000A US3200723A (en) | 1963-03-29 | 1963-03-29 | Shutter timing apparatus |
US268881A US3205803A (en) | 1963-03-29 | 1963-03-29 | Shutter timing apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6403303A NL6403303A (nl) | 1964-09-30 |
NL140987B true NL140987B (nl) | 1974-01-15 |
Family
ID=26953382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6403303A NL140987B (nl) | 1963-03-29 | 1964-03-26 | Belichtingsregelinrichting. |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH451691A (nl) |
DE (1) | DE1299218B (nl) |
NL (1) | NL140987B (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577757A (en) * | 1976-04-08 | 1980-10-29 | Polaroid Corp | Photographic camera with artificial illumination control |
-
1964
- 1964-03-25 DE DE1964I0025540 patent/DE1299218B/de active Pending
- 1964-03-26 CH CH399964A patent/CH451691A/de unknown
- 1964-03-26 NL NL6403303A patent/NL140987B/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE1299218B (de) | 1969-07-10 |
NL6403303A (nl) | 1964-09-30 |
CH451691A (de) | 1968-05-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: POLAROID |
|
V4 | Lapsed because of reaching the maxim lifetime of a patent |