BE645276A - - Google Patents

Info

Publication number
BE645276A
BE645276A BE645276A BE645276A BE645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A
Authority
BE
Belgium
Application number
BE645276A
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 filed Critical
Publication of BE645276A publication Critical patent/BE645276A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
    • 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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
BE645276A 1963-03-15 1964-03-16 BE645276A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1963B0071157 DE1239117B (de) 1963-03-15 1963-03-15 Belichtungsmesser

Publications (1)

Publication Number Publication Date
BE645276A true BE645276A (fr) 1964-07-16

Family

ID=6976925

Family Applications (1)

Application Number Title Priority Date Filing Date
BE645276A BE645276A (fr) 1963-03-15 1964-03-16

Country Status (5)

Country Link
BE (1) BE645276A (fr)
CH (1) CH409451A (fr)
DE (1) DE1239117B (fr)
GB (1) GB1043604A (fr)
NL (1) NL6402789A (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE699956C (de) * 1936-08-26 1940-12-10 Klangfilm G M B H Messgeraet fuer Wechselspannungen mit Gleichrichter und Gleichstromanzeigegeraet
DE750797C (de) * 1942-08-11 1945-01-29 Photo- oder kinematographisches Aufnahmegeraet mit vorzugsweise selbsttaetiger Einregelung von Kameraeinstellorganen durch einen photoelektrischen Belichtungsmesser
DE1027902B (de) * 1954-05-12 1958-04-10 Gossen & Co Gmbh P Fotoelektrischer Belichtungsmesser
FR1235184A (fr) * 1958-09-22 1960-07-01 Agfa Ag Posemètre photo-électrique
FR1274147A (fr) * 1959-11-25 1961-10-20 Agfa Ag Dispositif photo-électrique de mesure de la lumière et procédé de fabrication d'un récepteur de lumière
DE1144107B (de) * 1960-09-22 1963-02-21 Agfa Ag Fotografische oder kinematografische Kamera mit elektrischem Messwerk
GB1224637A (en) * 1967-07-06 1971-03-10 Kartridg Pak Co Fastener forming and applying machine

Also Published As

Publication number Publication date
NL6402789A (fr) 1964-09-16
GB1043604A (en) 1966-09-21
CH409451A (de) 1966-03-15
DE1239117B (de) 1967-04-20

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