BE798152A - Montage pour appareils de mesure d'exposition - Google Patents

Montage pour appareils de mesure d'exposition

Info

Publication number
BE798152A
BE798152A BE129959A BE129959A BE798152A BE 798152 A BE798152 A BE 798152A BE 129959 A BE129959 A BE 129959A BE 129959 A BE129959 A BE 129959A BE 798152 A BE798152 A BE 798152A
Authority
BE
Belgium
Prior art keywords
mounting
measuring equipment
exposure measuring
exposure
equipment
Prior art date
Application number
BE129959A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BE798152A publication Critical patent/BE798152A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)
BE129959A 1972-04-12 1973-04-12 Montage pour appareils de mesure d'exposition BE798152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2217659A DE2217659C3 (de) 1972-04-12 1972-04-12 Belichtungsmefigerät

Publications (1)

Publication Number Publication Date
BE798152A true BE798152A (fr) 1973-10-12

Family

ID=5841746

Family Applications (1)

Application Number Title Priority Date Filing Date
BE129959A BE798152A (fr) 1972-04-12 1973-04-12 Montage pour appareils de mesure d'exposition

Country Status (5)

Country Link
US (1) US3873827A (fr)
JP (1) JPS5721643B2 (fr)
BE (1) BE798152A (fr)
DE (1) DE2217659C3 (fr)
NL (1) NL7217228A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034384A (en) * 1973-01-24 1977-07-05 Canon Kabushiki Kaisha Exposure meter circuit of camera with matching network for flash device
DE2639199C2 (de) * 1975-09-01 1983-12-01 Nippon Kogaku K.K., Tokyo TTL-Meßvorrichtung für eine einäugige Spiegelreflexkamera
JPS6024410B2 (ja) * 1976-06-28 1985-06-12 日本電気株式会社 光電変換回路
US4636053A (en) * 1978-02-24 1987-01-13 Canon Kabushiki Kaisha Distance detecting device
US5541706A (en) * 1992-10-22 1996-07-30 Nikon Corporation Exposure calculation device for a camera
JP2788020B2 (ja) * 1993-04-06 1998-08-20 綾子 波多野 インゴット折り機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116673A (en) * 1961-07-27 1964-01-07 Bogopolsky Raphael Automatic regulating device for the lighting of a photo-sensitive film during filming
US3424908A (en) * 1966-10-19 1969-01-28 Gen Electric Amplifier for photocell
US3605030A (en) * 1967-06-26 1971-09-14 Beckman Instruments Inc High sensitivity amplifier with peak detector and storage means
DE2006025A1 (de) * 1970-02-11 1971-08-26 Leitz Ernst Gmbh Schaltungsanordnung fur Behchtungs messer
US3670184A (en) * 1970-02-13 1972-06-13 Tokyo Shibaura Electric Co Light sensitive amplifier circuit having improved feedback arrangement
FR2138340B1 (fr) * 1971-05-24 1973-05-25 Trt Telecom Radio Electr
US3723651A (en) * 1971-12-27 1973-03-27 Rca Corp Optically-scanned liquid-crystal projection display

Also Published As

Publication number Publication date
DE2217659C3 (de) 1978-09-21
US3873827A (en) 1975-03-25
JPS5721643B2 (fr) 1982-05-08
DE2217659A1 (de) 1973-10-18
DE2217659B2 (de) 1978-02-02
NL7217228A (fr) 1973-10-16
JPS4918079A (fr) 1974-02-18

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