JPS4982336A - - Google Patents
Info
- Publication number
- JPS4982336A JPS4982336A JP47123633A JP12363372A JPS4982336A JP S4982336 A JPS4982336 A JP S4982336A JP 47123633 A JP47123633 A JP 47123633A JP 12363372 A JP12363372 A JP 12363372A JP S4982336 A JPS4982336 A JP S4982336A
- 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.)
- Pending
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
- G03B19/00—Cameras
- G03B19/02—Still-picture cameras
- G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror
-
- 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
- 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
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47123633A JPS4982336A (ja) | 1972-12-09 | 1972-12-09 | |
US421540A US3899789A (en) | 1972-12-09 | 1973-12-04 | Exposure control system in a photographic camera |
DE19732361109 DE2361109C3 (de) | 1972-12-09 | 1973-12-07 | Belichtungssteuereinrichtung für eine einäugige Spiegelreflexkamera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47123633A JPS4982336A (ja) | 1972-12-09 | 1972-12-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15837879A Division JPS5577727A (en) | 1979-12-05 | 1979-12-05 | Aperture control mechanism of camera |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4982336A true JPS4982336A (ja) | 1974-08-08 |
Family
ID=14865404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47123633A Pending JPS4982336A (ja) | 1972-12-09 | 1972-12-09 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3899789A (ja) |
JP (1) | JPS4982336A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143135A (ja) * | 1974-10-09 | 1976-04-13 | Asahi Optical Co Ltd | |
JPS5146123A (ja) * | 1974-10-18 | 1976-04-20 | Canon Kk | |
JPS51106432A (en) * | 1975-03-17 | 1976-09-21 | Canon Kk | Kamerano jidoroshutsuseigyosochi |
JPS55146428A (en) * | 1979-05-01 | 1980-11-14 | Konishiroku Photo Ind Co Ltd | Digital control camera |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988748A (en) * | 1973-12-26 | 1976-10-26 | Canon Kabushiki Kaisha | Single lens reflex camera |
US4124855A (en) * | 1974-07-26 | 1978-11-07 | Canon Kabushiki Kaisha | Automatic exposure control apparatus and a camera having the same |
US4011569A (en) * | 1974-10-01 | 1977-03-08 | Canon Kabushiki Kaisha | Exposure control system for a camera |
JPS5141522A (ja) * | 1974-10-04 | 1976-04-07 | Canon Kk | |
US3972055A (en) * | 1975-07-21 | 1976-07-27 | Minolta Camera Kabushiki Kaisha | Multi-exposure control device for cameras |
JPS5250724A (en) * | 1975-10-21 | 1977-04-23 | Canon Inc | Electromagnetic disphragm control system for camera |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2133212A1 (de) * | 1970-07-03 | 1972-01-05 | Nippon Kogaku Kk | Kamera mit automatischer Steuereinrichtung fuer die Belichtung |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1291616B (de) * | 1964-12-28 | 1969-03-27 | Prontor Werk Gauthier Gmbh | Photographische Kamera mit selbsttaetiger, lichtgesteuerter Blenden- und Zeiteinstellung |
US3554104A (en) * | 1967-05-05 | 1971-01-12 | Agfa Gevaert Ag | Exposure control for photographic cameras |
DE1597053C3 (de) * | 1967-05-24 | 1975-07-17 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografische Kamera mit einem Verzögerungschaltkreis und einer Belichtungsvorrichtung |
US3563153A (en) * | 1967-09-21 | 1971-02-16 | Asahi Optical Co Ltd | Camera light measuring system |
AT280772B (de) * | 1968-03-05 | 1970-04-27 | Prontor Werk Gauthier Gmbh | Photographische Kamera mit Belichtungsmesser |
US3695158A (en) * | 1969-07-30 | 1972-10-03 | Compur Werk Gmbh And Co | Photographic camera |
-
1972
- 1972-12-09 JP JP47123633A patent/JPS4982336A/ja active Pending
-
1973
- 1973-12-04 US US421540A patent/US3899789A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2133212A1 (de) * | 1970-07-03 | 1972-01-05 | Nippon Kogaku Kk | Kamera mit automatischer Steuereinrichtung fuer die Belichtung |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143135A (ja) * | 1974-10-09 | 1976-04-13 | Asahi Optical Co Ltd | |
JPS5146123A (ja) * | 1974-10-18 | 1976-04-20 | Canon Kk | |
JPS51106432A (en) * | 1975-03-17 | 1976-09-21 | Canon Kk | Kamerano jidoroshutsuseigyosochi |
JPS55146428A (en) * | 1979-05-01 | 1980-11-14 | Konishiroku Photo Ind Co Ltd | Digital control camera |
Also Published As
Publication number | Publication date |
---|---|
US3899789A (en) | 1975-08-12 |
DE2361109B2 (de) | 1977-04-21 |
DE2361109A1 (de) | 1974-06-12 |