DE3006756A1 - Belichtungsmesser fuer eine einaeugige spiegelreflexkamera - Google Patents

Belichtungsmesser fuer eine einaeugige spiegelreflexkamera

Info

Publication number
DE3006756A1
DE3006756A1 DE19803006756 DE3006756A DE3006756A1 DE 3006756 A1 DE3006756 A1 DE 3006756A1 DE 19803006756 DE19803006756 DE 19803006756 DE 3006756 A DE3006756 A DE 3006756A DE 3006756 A1 DE3006756 A1 DE 3006756A1
Authority
DE
Germany
Prior art keywords
light
mirror
exposure
film surface
receiving system
Prior art date
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.)
Ceased
Application number
DE19803006756
Other languages
German (de)
English (en)
Inventor
Toru Fukuhara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 by Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of DE3006756A1 publication Critical patent/DE3006756A1/de
Ceased 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)
DE19803006756 1979-02-23 1980-02-22 Belichtungsmesser fuer eine einaeugige spiegelreflexkamera Ceased DE3006756A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE3006756A1 true DE3006756A1 (de) 1980-09-04

Family

ID=12067667

Family Applications (1)

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

Country Status (2)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149684A1 (de) * 1980-12-16 1982-06-24 Polaroid Corp., 02139 Cambridge, Mass. Belichtungssteuervorrichtung fuer fotografische apparate
DE3217221A1 (de) * 1981-05-09 1982-11-25 Canon K.K., Tokyo Messvorrichtung fuer eine einaeugige spiegelreflexkamera
FR2519155A1 (fr) * 1981-12-28 1983-07-01 Olympus Optical Co Circuit de commande d'exposition pour un flash electronique automatique

Family Cites Families (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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149684A1 (de) * 1980-12-16 1982-06-24 Polaroid Corp., 02139 Cambridge, Mass. Belichtungssteuervorrichtung fuer fotografische apparate
DE3217221A1 (de) * 1981-05-09 1982-11-25 Canon K.K., Tokyo Messvorrichtung fuer eine einaeugige spiegelreflexkamera
FR2519155A1 (fr) * 1981-12-28 1983-07-01 Olympus Optical Co Circuit de commande d'exposition pour un flash electronique automatique

Also Published As

Publication number Publication date
JPS55123929U (enrdf_load_stackoverflow) 1980-09-03

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Legal Events

Date Code Title Description
OD Request for examination
8131 Rejection