FR1161492A - Diaphragme pour appareils de mesure photoélectriques - Google Patents

Diaphragme pour appareils de mesure photoélectriques

Info

Publication number
FR1161492A
FR1161492A FR1161492DA FR1161492A FR 1161492 A FR1161492 A FR 1161492A FR 1161492D A FR1161492D A FR 1161492DA FR 1161492 A FR1161492 A FR 1161492A
Authority
FR
France
Prior art keywords
diaphragm
measuring devices
photoelectric measuring
photoelectric
devices
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
Other languages
English (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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Franke and Heydrich GmbH
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
Franke and Heydrich GmbH
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 Rollei Werke Franke und Heidecke GmbH and Co KG, Franke and Heydrich GmbH filed Critical Rollei Werke Franke und Heidecke GmbH and Co KG
Application granted granted Critical
Publication of FR1161492A publication Critical patent/FR1161492A/fr
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
    • G01J1/4209—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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/005—Diaphragms
    • 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/06—Bodies with exposure meters or other indicators built into body but not connected to other camera members

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Camera Bodies And Camera Details Or Accessories (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR1161492D 1956-05-11 1956-09-26 Diaphragme pour appareils de mesure photoélectriques Expired FR1161492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF20269A DE1141093B (de) 1956-05-11 1956-05-11 Photoelektrischer Belichtungsmesser

Publications (1)

Publication Number Publication Date
FR1161492A true FR1161492A (fr) 1958-09-01

Family

ID=7089618

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1161492D Expired FR1161492A (fr) 1956-05-11 1956-09-26 Diaphragme pour appareils de mesure photoélectriques

Country Status (4)

Country Link
US (2) US2926562A (fr)
DE (1) DE1141093B (fr)
FR (1) FR1161492A (fr)
GB (1) GB843391A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125938A (en) * 1964-03-24 Camera apparatus for exposing and processing photographic
US3073213A (en) * 1958-03-28 1963-01-15 Garrigus Means for measuring properties of light
US3057276A (en) * 1959-07-23 1962-10-09 Leitz Ernst Gmbh Multi-scale light meter
NL133957C (fr) * 1961-09-28
US3304435A (en) * 1963-07-18 1967-02-14 Donald W Norwood Photometric device having greater response to a preferential central portion of a scene
US4351593A (en) * 1979-12-31 1982-09-28 Polaroid Corporation Method and apparatus for selective positioning of spectral filter during exposure control
US4474441A (en) * 1980-03-04 1984-10-02 Polaroid Corporation Method and apparatus for controlling exposure by selective use of blocking visible filter
US4542973A (en) * 1980-10-06 1985-09-24 Polaroid Corporation Dynamically controlled scene radiation leakage for exposure control
JPH01105932U (fr) * 1988-01-08 1989-07-17
US9802476B1 (en) 2012-05-25 2017-10-31 Robertson Fuel Systems, Llc Method and system for forming a self-sealing volume using a breather system
US9597848B1 (en) 2012-05-25 2017-03-21 Robertson Fuel Systems Llc Method and system for forming a self-sealing volume
US10471676B1 (en) 2013-03-12 2019-11-12 Robertson Fuel Systems, L.L.C. Method and system for forming a self-sealing volume with an aqueous polyurethane dispersion layer

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE731152C (de) * 1936-12-09 1943-02-03 Metrawatt Ag Lichtelektrischer Belichtungsmesser
DE666777C (de) * 1931-08-05 1938-10-28 I G Farbenindustrie Akt Ges Vorrichtung zum Messen der Lichtstaerke und der Lichtzusammensetzung bei photographischen Aufnahmen
GB439224A (en) * 1934-04-28 1935-12-02 Zeiss Ikon Ag Improvements in or relating to photo-electric exposure meters and attachments therefor
DE683539C (de) * 1934-06-02 1939-11-08 Metrawatt Akt Ges Lichtelektrischer Belichtungsmesser
US2043901A (en) * 1934-08-18 1936-06-09 Eastman Kodak Co Photographic apparatus
DE675843C (de) * 1935-03-03 1939-05-19 Metrawatt Akt Ges Fabrik Elek Lichtelektrischer Belichtungsmesser mit mehreren Messbereichen
FR802457A (fr) * 1935-03-30 1936-09-05 Ig Farbenindustrie Ag Posomètre électrique
US2080055A (en) * 1935-07-06 1937-05-11 Eastman Kodak Co Photometric apparatus
US2227166A (en) * 1936-10-12 1940-12-31 Tonnies Hans Ferdinand Photoelectric exposure meter
DE691440C (fr) * 1937-10-07 1940-05-27 Metrawatt Akt Ges
FR862770A (fr) * 1939-01-14 1941-03-14 Weston Electrical Instr Corp Photomètre
US2241020A (en) * 1939-11-15 1941-05-06 Zeiss Ikon Ag Photographic camera
US2249833A (en) * 1940-02-26 1941-07-22 Jur Amsco Corp De Optical system for exposure meters
US2268105A (en) * 1940-07-24 1941-12-30 Joseph M Bing Photometric device
US2373391A (en) * 1942-10-10 1945-04-10 Eastman Kodak Co Photographic camera
US2387466A (en) * 1943-09-16 1945-10-23 Rath Karl Photoelectric exposure control
US2667809A (en) * 1951-12-20 1954-02-02 Weston Electrical Instr Corp Exposure meter
US2744200A (en) * 1952-03-07 1956-05-01 Gen Electric Multiple masked photocell structure

Also Published As

Publication number Publication date
US2987977A (en) 1961-06-13
US2926562A (en) 1960-03-01
GB843391A (en) 1960-08-04
DE1141093B (de) 1962-12-13

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