FR2273269B1 - - Google Patents

Info

Publication number
FR2273269B1
FR2273269B1 FR7515813A FR7515813A FR2273269B1 FR 2273269 B1 FR2273269 B1 FR 2273269B1 FR 7515813 A FR7515813 A FR 7515813A FR 7515813 A FR7515813 A FR 7515813A FR 2273269 B1 FR2273269 B1 FR 2273269B1
Authority
FR
France
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
FR7515813A
Other languages
French (fr)
Other versions
FR2273269A1 (en
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.)
Durst Group AG
Original Assignee
Durst AG Fabrik Fototechnischer Apparate
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 Durst AG Fabrik Fototechnischer Apparate filed Critical Durst AG Fabrik Fototechnischer Apparate
Publication of FR2273269A1 publication Critical patent/FR2273269A1/fr
Application granted granted Critical
Publication of FR2273269B1 publication Critical patent/FR2273269B1/fr
Granted 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
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/044—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
FR7515813A 1974-05-31 1975-05-21 Moving screen exposure meter - has screen protecting photocell from incident light until circuit is established Granted FR2273269A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT673474 1974-05-31

Publications (2)

Publication Number Publication Date
FR2273269A1 FR2273269A1 (en) 1975-12-26
FR2273269B1 true FR2273269B1 (enExample) 1979-07-13

Family

ID=11121898

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7515813A Granted FR2273269A1 (en) 1974-05-31 1975-05-21 Moving screen exposure meter - has screen protecting photocell from incident light until circuit is established

Country Status (1)

Country Link
FR (1) FR2273269A1 (enExample)

Also Published As

Publication number Publication date
FR2273269A1 (en) 1975-12-26

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Legal Events

Date Code Title Description
ST Notification of lapse