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GB1043604A - Photographic exposure meter - Google Patents

Photographic exposure meter

Info

Publication number
GB1043604A
GB1043604A GB1110864A GB1110864A GB1043604A GB 1043604 A GB1043604 A GB 1043604A GB 1110864 A GB1110864 A GB 1110864A GB 1110864 A GB1110864 A GB 1110864A GB 1043604 A GB1043604 A GB 1043604A
Authority
GB
United Kingdom
Prior art keywords
exposure meter
photographic exposure
photographic
meter
exposure
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
GB1110864A
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.)
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
Publication of GB1043604A publication Critical patent/GB1043604A/en
Expired legal-status Critical Current

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)
GB1110864A 1963-03-15 1964-03-16 Photographic exposure meter Expired GB1043604A (en)

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
GB1043604A true GB1043604A (en) 1966-09-21

Family

ID=6976925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1110864A Expired GB1043604A (en) 1963-03-15 1964-03-16 Photographic exposure meter

Country Status (5)

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

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
BE645276A (cs) 1964-07-16
CH409451A (de) 1966-03-15
NL6402789A (cs) 1964-09-16
DE1239117B (de) 1967-04-20

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