DE2217659C3 - Belichtungsmefigerät - Google Patents

Belichtungsmefigerät

Info

Publication number
DE2217659C3
DE2217659C3 DE2217659A DE2217659A DE2217659C3 DE 2217659 C3 DE2217659 C3 DE 2217659C3 DE 2217659 A DE2217659 A DE 2217659A DE 2217659 A DE2217659 A DE 2217659A DE 2217659 C3 DE2217659 C3 DE 2217659C3
Authority
DE
Germany
Prior art keywords
meter according
light
exposure
value
exposure meter
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.)
Expired
Application number
DE2217659A
Other languages
German (de)
English (en)
Other versions
DE2217659B2 (de
DE2217659A1 (de
Inventor
Gerhard 8200 Rosenheim Krause
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE2217659A priority Critical patent/DE2217659C3/de
Priority to NL7217228A priority patent/NL7217228A/xx
Priority to US337768A priority patent/US3873827A/en
Priority to BE129959A priority patent/BE798152A/xx
Priority to JP4095373A priority patent/JPS5721643B2/ja
Publication of DE2217659A1 publication Critical patent/DE2217659A1/de
Publication of DE2217659B2 publication Critical patent/DE2217659B2/de
Application granted granted Critical
Publication of DE2217659C3 publication Critical patent/DE2217659C3/de
Expired legal-status Critical Current

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)
DE2217659A 1972-04-12 1972-04-12 Belichtungsmefigerät Expired DE2217659C3 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE2217659A DE2217659C3 (de) 1972-04-12 1972-04-12 Belichtungsmefigerät
NL7217228A NL7217228A (enExample) 1972-04-12 1972-12-18
US337768A US3873827A (en) 1972-04-12 1973-03-02 Circuit arrangement for exposure measuring devices
BE129959A BE798152A (fr) 1972-04-12 1973-04-12 Montage pour appareils de mesure d'exposition
JP4095373A JPS5721643B2 (enExample) 1972-04-12 1973-04-12

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2217659A1 DE2217659A1 (de) 1973-10-18
DE2217659B2 DE2217659B2 (de) 1978-02-02
DE2217659C3 true DE2217659C3 (de) 1978-09-21

Family

ID=5841746

Family Applications (1)

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

Country Status (5)

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

Families Citing this family (5)

* 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

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 (enExample) * 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
BE798152A (fr) 1973-10-12
DE2217659B2 (de) 1978-02-02
NL7217228A (enExample) 1973-10-16
JPS5721643B2 (enExample) 1982-05-08
DE2217659A1 (de) 1973-10-18
JPS4918079A (enExample) 1974-02-18
US3873827A (en) 1975-03-25

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Legal Events

Date Code Title Description
BGA New person/name/address of the applicant
C3 Grant after two publication steps (3rd publication)
EGA New person/name/address of the applicant
8339 Ceased/non-payment of the annual fee