JPS55123929U - - Google Patents

Info

Publication number
JPS55123929U
JPS55123929U JP1979021889U JP2188979U JPS55123929U JP S55123929 U JPS55123929 U JP S55123929U JP 1979021889 U JP1979021889 U JP 1979021889U JP 2188979 U JP2188979 U JP 2188979U JP S55123929 U JPS55123929 U JP S55123929U
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
Application number
JP1979021889U
Other languages
Japanese (ja)
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 JP1979021889U priority Critical patent/JPS55123929U/ja
Priority to DE19803006756 priority patent/DE3006756A1/de
Publication of JPS55123929U publication Critical patent/JPS55123929U/ja
Pending 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
    • 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
    • G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting 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
    • G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
JP1979021889U 1979-02-23 1979-02-23 Pending JPS55123929U (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1979021889U JPS55123929U (fr) 1979-02-23 1979-02-23
DE19803006756 DE3006756A1 (de) 1979-02-23 1980-02-22 Belichtungsmesser fuer eine einaeugige spiegelreflexkamera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979021889U JPS55123929U (fr) 1979-02-23 1979-02-23

Publications (1)

Publication Number Publication Date
JPS55123929U true JPS55123929U (fr) 1980-09-03

Family

ID=12067667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979021889U Pending JPS55123929U (fr) 1979-02-23 1979-02-23

Country Status (2)

Country Link
JP (1) JPS55123929U (fr)
DE (1) DE3006756A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325614A (en) * 1980-12-16 1982-04-20 Polaroid Corporation Exposure control system with shutter operation controlled by a microcomputer
JPS57185021A (en) * 1981-05-09 1982-11-15 Canon Inc Photometric device of single-lense reflex camera
JPS58114023A (ja) * 1981-12-28 1983-07-07 Olympus Optical Co Ltd Ｔｔｌオ−トストロボ用絞り制御回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5269620A (en) * 1975-12-09 1977-06-09 Asahi Optical Co Ltd Singleelens reflex camera photometric device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5269620A (en) * 1975-12-09 1977-06-09 Asahi Optical Co Ltd Singleelens reflex camera photometric device

Also Published As

Publication number Publication date
DE3006756A1 (de) 1980-09-04

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