JPS4866439A - - Google Patents
Info
- Publication number
- JPS4866439A JPS4866439A JP47123293A JP12329372A JPS4866439A JP S4866439 A JPS4866439 A JP S4866439A JP 47123293 A JP47123293 A JP 47123293A JP 12329372 A JP12329372 A JP 12329372A JP S4866439 A JPS4866439 A JP S4866439A
- 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.)
- Granted
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)
- Exposure Control For Cameras (AREA)
- Projection-Type Copiers In General (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Blocking Light For Cameras (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1061771A AT312417B (de) | 1971-12-09 | 1971-12-09 | Kamera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4866439A true JPS4866439A (https=) | 1973-09-12 |
| JPS5625653B2 JPS5625653B2 (https=) | 1981-06-13 |
Family
ID=3623565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12329372A Expired JPS5625653B2 (https=) | 1971-12-09 | 1972-12-08 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3783761A (https=) |
| JP (1) | JPS5625653B2 (https=) |
| AT (1) | AT312417B (https=) |
| DE (1) | DE2255280A1 (https=) |
| GB (1) | GB1384810A (https=) |
| IT (1) | IT970621B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1000547A (en) * | 1972-10-11 | 1976-11-30 | Israel Nesson | Photographic exposure control mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1291193B (de) * | 1965-05-11 | 1969-03-20 | Agfa Ag | Kinematografische oder fotografische Kamera mit einer mittels einer Belichtungsmesseinrichtung gesteuerten Blende |
| US3625125A (en) * | 1968-08-08 | 1971-12-07 | Nippon Kogaku Kk | Camera having an automatic indicator of lighting source |
| US3589258A (en) * | 1968-11-29 | 1971-06-29 | Bell & Howell Co | Light control means in a camera |
-
1971
- 1971-12-09 AT AT1061771A patent/AT312417B/de not_active IP Right Cessation
-
1972
- 1972-11-11 DE DE2255280A patent/DE2255280A1/de not_active Ceased
- 1972-12-06 IT IT9781/72A patent/IT970621B/it active
- 1972-12-08 JP JP12329372A patent/JPS5625653B2/ja not_active Expired
- 1972-12-11 GB GB5709172A patent/GB1384810A/en not_active Expired
- 1972-12-11 US US00313696A patent/US3783761A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3783761A (en) | 1974-01-08 |
| AT312417B (de) | 1973-12-27 |
| GB1384810A (https=) | 1975-02-19 |
| IT970621B (it) | 1974-04-20 |
| JPS5625653B2 (https=) | 1981-06-13 |
| DE2255280A1 (de) | 1973-06-20 |