GB1422285A - Exposure control mechanism - Google Patents
Exposure control mechanismInfo
- Publication number
- GB1422285A GB1422285A GB1721373A GB1721373A GB1422285A GB 1422285 A GB1422285 A GB 1422285A GB 1721373 A GB1721373 A GB 1721373A GB 1721373 A GB1721373 A GB 1721373A GB 1422285 A GB1422285 A GB 1422285A
- Authority
- GB
- United Kingdom
- Prior art keywords
- belt
- spring
- bias
- light
- actuator
- Prior art date
- 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.)
- Expired
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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/36—Sliding rigid plate
- G03B9/40—Double plate
- G03B9/42—Double plate with adjustable slot; with mechanism controlling relative movement of plates to form slot
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Shutters For Cameras (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24580272A | 1972-04-21 | 1972-04-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1422285A true GB1422285A (en) | 1976-01-21 |
Family
ID=22928137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1721373A Expired GB1422285A (en) | 1972-04-21 | 1973-04-10 | Exposure control mechanism |
Country Status (6)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50139729A (US20080094685A1-20080424-C00004.png) * | 1974-04-24 | 1975-11-08 | ||
JPS5931046B2 (ja) * | 1975-03-19 | 1984-07-31 | 富士写真フイルム株式会社 | 光学機械用羽根 |
JPS5242117A (en) * | 1975-09-29 | 1977-04-01 | Fuji Photo Film Co Ltd | Electromagnetic shutter |
JPS5466542U (US20080094685A1-20080424-C00004.png) * | 1977-10-19 | 1979-05-11 | ||
USRE31034E (en) * | 1978-04-21 | 1982-09-21 | Polaroid Corporation | Range synchronized flash photographic apparatus and method for achieving optimum flash exposure |
US4188103A (en) * | 1978-04-21 | 1980-02-12 | Polaroid Corporation | Range synchronized flash photographic apparatus and method for achieving optimum flash exposure |
US4452521A (en) * | 1981-06-02 | 1984-06-05 | Canon Kabushiki Kaisha | Camera having an electromagnetically driven shutter |
JPS5852623A (ja) * | 1981-09-24 | 1983-03-28 | Canon Inc | カメラの電磁駆動装置 |
SG94857A1 (en) * | 2001-07-31 | 2003-03-18 | Inst Of Molecular & Cell Biolo | Shutter assembly |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3511145A (en) * | 1967-05-30 | 1970-05-12 | Eastman Kodak Co | Photographic camera with an exposure control device |
US3662659A (en) * | 1970-06-22 | 1972-05-16 | Eastman Kodak Co | Camera apparatus for controlling diaphragm and shutter speed |
US3664245A (en) * | 1970-06-22 | 1972-05-23 | Eastman Kodak Co | Camera apparatus for controlling diaphragm and shutter speed |
US3672267A (en) * | 1970-10-01 | 1972-06-27 | Eastman Kodak Co | Sequential control for camera diaphragm and shutter |
US3665826A (en) * | 1971-01-19 | 1972-05-30 | Keystone Division Berkey Photo | Solenoid-actuated mask for automatic exposure control for cameras |
-
1972
- 1972-04-21 US US00245802A patent/US3762299A/en not_active Expired - Lifetime
-
1973
- 1973-03-02 CA CA165,136A patent/CA990566A/en not_active Expired
- 1973-04-10 GB GB1721373A patent/GB1422285A/en not_active Expired
- 1973-04-17 FR FR737313917A patent/FR2186668B2/fr not_active Expired
- 1973-04-18 DE DE2319744A patent/DE2319744C2/de not_active Expired
- 1973-04-19 JP JP4462773A patent/JPS5442251B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2319744A1 (de) | 1973-10-31 |
FR2186668B2 (US20080094685A1-20080424-C00004.png) | 1974-07-05 |
DE2319744C2 (de) | 1983-05-11 |
FR2186668A2 (US20080094685A1-20080424-C00004.png) | 1974-01-11 |
JPS5442251B2 (US20080094685A1-20080424-C00004.png) | 1979-12-13 |
US3762299A (en) | 1973-10-02 |
CA990566A (en) | 1976-06-08 |
JPS4922121A (US20080094685A1-20080424-C00004.png) | 1974-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] |