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
Application number
JP47039753A
Other languages
Japanese (ja)
Other versions
JPS5327930B2 (US06811534-20041102-M00003.png
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP3975372A priority Critical patent/JPS5327930B2/ja
Priority to US00350195A priority patent/US3842424A/en
Priority to DE19732320086 priority patent/DE2320086C3/de
Publication of JPS492531A publication Critical patent/JPS492531A/ja
Publication of JPS5327930B2 publication Critical patent/JPS5327930B2/ja
Expired legal-status Critical Current

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)
JP3975372A 1972-04-20 1972-04-20 Expired JPS5327930B2 (US06811534-20041102-M00003.png)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP3975372A JPS5327930B2 (US06811534-20041102-M00003.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 (US06811534-20041102-M00003.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 (US06811534-20041102-M00003.png) 1974-01-10
JPS5327930B2 JPS5327930B2 (US06811534-20041102-M00003.png) 1978-08-11

Family

ID=12561697

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3975372A Expired JPS5327930B2 (US06811534-20041102-M00003.png) 1972-04-20 1972-04-20

Country Status (2)

Country Link
US (1) US3842424A (US06811534-20041102-M00003.png)
JP (1) JPS5327930B2 (US06811534-20041102-M00003.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284833U (US06811534-20041102-M00003.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
JPS5756828A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS5756826A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS57187437U (US06811534-20041102-M00003.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)

* Cited by examiner, † Cited by third party
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 (US06811534-20041102-M00003.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)

* Cited by examiner, † Cited by third party
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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5284833U (US06811534-20041102-M00003.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
JPS5756828A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS5756826A (en) * 1980-09-22 1982-04-05 Olympus Optical Co Ltd Automatic exposure control camera
JPS57187437U (US06811534-20041102-M00003.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
DE2320086A1 (de) 1973-10-25
JPS5327930B2 (US06811534-20041102-M00003.png) 1978-08-11
DE2320086B2 (de) 1977-01-13

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