JPS492531A - - Google Patents
Info
- Publication number
- JPS492531A JPS492531A JP47039753A JP3975372A JPS492531A JP S492531 A JPS492531 A JP S492531A JP 47039753 A JP47039753 A JP 47039753A JP 3975372 A JP3975372 A JP 3975372A JP S492531 A JPS492531 A JP S492531A
- 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
- 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
- G03B7/083—Analogue circuits for control of exposure time
-
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
-
- 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
- G03B7/099—Arrangement of photoelectric elements in or on the camera
- G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
- G03B7/0997—Through the lens [TTL] measuring
- G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
- G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Endoscopes (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3975372A JPS5327930B2 (US20050192411A1-20050901-C00001.png) | 1972-04-20 | 1972-04-20 | |
US00350195A US3842424A (en) | 1972-04-20 | 1973-04-11 | Exposure control device in single-lens reflex camera |
DE19732320086 DE2320086C3 (de) | 1972-04-20 | 1973-04-19 | Vorrichtung zur automatischen Belichtungszeitsteuerung bei Kameras |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3975372A JPS5327930B2 (US20050192411A1-20050901-C00001.png) | 1972-04-20 | 1972-04-20 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51023960A Division JPS51132827A (en) | 1976-03-05 | 1976-03-05 | Exposure value display device for the single lens reflex camera |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS492531A true JPS492531A (US20050192411A1-20050901-C00001.png) | 1974-01-10 |
JPS5327930B2 JPS5327930B2 (US20050192411A1-20050901-C00001.png) | 1978-08-11 |
Family
ID=12561697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3975372A Expired JPS5327930B2 (US20050192411A1-20050901-C00001.png) | 1972-04-20 | 1972-04-20 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3842424A (US20050192411A1-20050901-C00001.png) |
JP (1) | JPS5327930B2 (US20050192411A1-20050901-C00001.png) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5284833U (US20050192411A1-20050901-C00001.png) * | 1975-12-17 | 1977-06-24 | ||
JPS5525024A (en) * | 1978-08-09 | 1980-02-22 | Minolta Camera Co Ltd | Exposure control unit of single-lens reflex camera |
JPS5756826A (en) * | 1980-09-22 | 1982-04-05 | Olympus Optical Co Ltd | Automatic exposure control camera |
JPS5756828A (en) * | 1980-09-22 | 1982-04-05 | Olympus Optical Co Ltd | Automatic exposure control camera |
JPS57187437U (US20050192411A1-20050901-C00001.png) * | 1981-05-25 | 1982-11-27 | ||
JP2007020125A (ja) * | 2005-07-11 | 2007-01-25 | Canon Inc | 撮像装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4064517A (en) * | 1974-07-02 | 1977-12-20 | Olympus Optical Co., Ltd. | Photometric apparatus for single lens reflex camera |
JPS5332022Y2 (US20050192411A1-20050901-C00001.png) * | 1974-07-31 | 1978-08-09 | ||
JPS5177228A (en) * | 1974-12-27 | 1976-07-05 | Nippon Kogaku Kk | Ichiganrefukamerano roshutsukeinojukosochi |
JPS5219525A (en) * | 1975-08-06 | 1977-02-14 | Minolta Camera Co Ltd | Ttl light measure circuit for the camera |
JPS5926934B2 (ja) * | 1975-09-26 | 1984-07-02 | ミノルタ株式会社 | Ttl測光式露出制御カメラ |
JPS5269620A (en) * | 1975-12-09 | 1977-06-09 | Asahi Optical Co Ltd | Singleelens reflex camera photometric device |
US4093379A (en) * | 1976-09-14 | 1978-06-06 | Ehrenreich Photo-Optical Industries, Inc. | Method and apparatus for making photographic copies |
US4174893A (en) * | 1977-12-14 | 1979-11-20 | Polaroid Corporation | Exposure control system for use in photographic camera apparatus |
US4325615A (en) * | 1978-08-09 | 1982-04-20 | Minolta Camera Kabushiki Kaisha | Exposure control system for single lens reflex cameras |
DE2952207A1 (de) * | 1979-12-22 | 1981-06-25 | Novoflex Fotogerätebau Karl Müller, 8940 Memmingen | Prismensucher fuer spiegelreflexkameras mit belichtungsmesser |
JPH0229723A (ja) * | 1988-07-20 | 1990-01-31 | Minolta Camera Co Ltd | カメラの実像式フアインダー |
JPH04371935A (ja) * | 1991-06-20 | 1992-12-24 | Nikon Corp | カメラの自動調光装置 |
JP3477382B2 (ja) * | 1998-11-20 | 2003-12-10 | ペンタックス株式会社 | 一眼レフカメラ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1272703B (de) * | 1965-07-24 | 1968-07-11 | Zeiss Ikon Ag | Spiegelreflexkamera mit Fotoelement |
US3710699A (en) * | 1967-04-21 | 1973-01-16 | Canon Kk | Single lens reflex camera with an interchangeable focus screen |
US3612703A (en) * | 1967-05-29 | 1971-10-12 | Mamiya Camera | Combined spot and average photometric system |
-
1972
- 1972-04-20 JP JP3975372A patent/JPS5327930B2/ja not_active Expired
-
1973
- 1973-04-11 US US00350195A patent/US3842424A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5284833U (US20050192411A1-20050901-C00001.png) * | 1975-12-17 | 1977-06-24 | ||
JPS5525024A (en) * | 1978-08-09 | 1980-02-22 | Minolta Camera Co Ltd | Exposure control unit of single-lens reflex camera |
JPS5756826A (en) * | 1980-09-22 | 1982-04-05 | Olympus Optical Co Ltd | Automatic exposure control camera |
JPS5756828A (en) * | 1980-09-22 | 1982-04-05 | Olympus Optical Co Ltd | Automatic exposure control camera |
JPS57187437U (US20050192411A1-20050901-C00001.png) * | 1981-05-25 | 1982-11-27 | ||
JP2007020125A (ja) * | 2005-07-11 | 2007-01-25 | Canon Inc | 撮像装置 |
Also Published As
Publication number | Publication date |
---|---|
US3842424A (en) | 1974-10-15 |
JPS5327930B2 (US20050192411A1-20050901-C00001.png) | 1978-08-11 |
DE2320086B2 (de) | 1977-01-13 |
DE2320086A1 (de) | 1973-10-25 |