NL182587C - Diafragmasluiter. - Google Patents
Diafragmasluiter.Info
- Publication number
- NL182587C NL182587C NLAANVRAGE7205182,A NL7205182A NL182587C NL 182587 C NL182587 C NL 182587C NL 7205182 A NL7205182 A NL 7205182A NL 182587 C NL182587 C NL 182587C
- Authority
- NL
- Netherlands
- Prior art keywords
- aperture shutter
- shutter
- aperture
- 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
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Shutters For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13521171A | 1971-04-19 | 1971-04-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7205182A NL7205182A (nl) | 1972-10-23 |
NL182587B NL182587B (nl) | 1987-11-02 |
NL182587C true NL182587C (nl) | 1988-04-05 |
Family
ID=22467043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7205182,A NL182587C (nl) | 1971-04-19 | 1972-04-18 | Diafragmasluiter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3750543A (nl) |
JP (1) | JPS5618933B1 (nl) |
CA (1) | CA997191A (nl) |
DE (1) | DE2219021C3 (nl) |
FR (1) | FR2144217A5 (nl) |
GB (1) | GB1371995A (nl) |
IT (1) | IT952725B (nl) |
NL (1) | NL182587C (nl) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3838433A (en) * | 1969-07-15 | 1974-09-24 | Minolta Camera Kk | Electric shutter for a camera |
JPS5327931B2 (nl) * | 1972-09-16 | 1978-08-11 | ||
DE2352076C3 (de) * | 1973-10-17 | 1978-08-31 | Kodak Ag, 7000 Stuttgart | Photographische Kamera mit mehreren wahlweise verwendbaren Objektiven und einem Blendenverschluß |
US3945025A (en) * | 1973-11-12 | 1976-03-16 | Polaroid Corporation | Exposure control system |
US4065776A (en) * | 1974-04-18 | 1977-12-27 | West Electric Co., Ltd. | Camera with automatic flash exposure system |
US3864700A (en) * | 1974-05-20 | 1975-02-04 | Rollei Werke Franke Heidecke | Diaphragm adjusting mechanism for photographic cameras |
US3942183A (en) * | 1974-07-02 | 1976-03-02 | Polaroid Corporation | Camera with pivoting blades |
JPS5847688B2 (ja) * | 1974-10-18 | 1983-10-24 | ウエストデンキ カブシキガイシヤ | 露出制御装置 |
US3950766A (en) * | 1974-11-22 | 1976-04-13 | Polaroid Corporation | Exposure control system employing blade sensing follow focus arrangement |
US3977014A (en) * | 1975-03-03 | 1976-08-24 | Polaroid Corporation | Follow focus exposure control system with improved uniform trim control |
JPS5293323A (en) * | 1976-01-31 | 1977-08-05 | Fuji Photo Film Co Ltd | Electromagnetic shutter |
US4008481A (en) * | 1975-10-03 | 1977-02-15 | Polaroid Corporation | Exposure control system with separate flash and ambient trigger levels |
US4023187A (en) * | 1975-10-03 | 1977-05-10 | Polaroid Corporation | Exposure control system with fill flash race condition |
US4017873A (en) * | 1975-10-03 | 1977-04-12 | Polaroid Corporation | Exposure control system with braking capability |
US4104653A (en) * | 1977-05-31 | 1978-08-01 | Polaroid Corporation | Scanning shutter blade arrangement with ambient and flash ranges |
US4185144A (en) * | 1978-09-05 | 1980-01-22 | Polaroid Corporation | Electrochemical cell with a cadmium patch electrode |
US4209243A (en) * | 1978-12-01 | 1980-06-24 | Polaroid Corporation | Shutter and trim apparatus |
US4312582A (en) * | 1981-03-03 | 1982-01-26 | Polaroid Corporation | Exposure control and focusing apparatus for use in a photographic camera |
US4338011A (en) * | 1981-03-03 | 1982-07-06 | Polaroid Corporation | Photographic camera apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3326103A (en) * | 1964-12-09 | 1967-06-20 | Polaroid Corp | Auxiliary shutter timing mechanism |
US3605588A (en) * | 1968-06-25 | 1971-09-20 | Eastman Kodak Co | Photographic camera with electronically controlled lens diapharagm |
US3641889A (en) * | 1970-09-02 | 1972-02-15 | Polaroid Corp | Exposure control system |
-
1971
- 1971-04-19 US US00135211A patent/US3750543A/en not_active Expired - Lifetime
-
1972
- 1972-04-12 CA CA139,541A patent/CA997191A/en not_active Expired
- 1972-04-18 GB GB1788572A patent/GB1371995A/en not_active Expired
- 1972-04-18 NL NLAANVRAGE7205182,A patent/NL182587C/nl not_active IP Right Cessation
- 1972-04-19 JP JP3877572A patent/JPS5618933B1/ja active Pending
- 1972-04-19 IT IT49756/72A patent/IT952725B/it active
- 1972-04-19 DE DE2219021A patent/DE2219021C3/de not_active Expired
- 1972-04-19 FR FR7213809A patent/FR2144217A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2144217A5 (nl) | 1973-02-09 |
NL7205182A (nl) | 1972-10-23 |
US3750543A (en) | 1973-08-07 |
CA997191A (en) | 1976-09-21 |
GB1371995A (en) | 1974-10-30 |
DE2219021B2 (de) | 1978-10-19 |
DE2219021A1 (de) | 1972-10-26 |
NL182587B (nl) | 1987-11-02 |
DE2219021C3 (de) | 1980-01-24 |
JPS5618933B1 (nl) | 1981-05-02 |
IT952725B (it) | 1973-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Lapsed because of reaching the maximum lifetime of a patent |