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NL6504697A - - Google Patents

Info

Publication number
NL6504697A
NL6504697A NL6504697A NL6504697A NL6504697A NL 6504697 A NL6504697 A NL 6504697A NL 6504697 A NL6504697 A NL 6504697A NL 6504697 A NL6504697 A NL 6504697A NL 6504697 A NL6504697 A NL 6504697A
Authority
NL
Netherlands
Application number
NL6504697A
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
Priority claimed from US359109A external-priority patent/US3416866A/en
Priority claimed from US359113A external-priority patent/US3368447A/en
Priority claimed from US359116A external-priority patent/US3323431A/en
Priority claimed from US359115A external-priority patent/US3323430A/en
Application filed filed Critical
Publication of NL6504697A publication Critical patent/NL6504697A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/10Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
    • G01J1/122Visual exposure meters for determining the exposure time in photographical recording or reproducing
    • G01J1/124Visual exposure meters for determining the exposure time in photographical recording or reproducing based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/10Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Stroboscope Apparatuses (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
NL6504697A 1964-04-13 1965-04-13 NL6504697A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US359109A US3416866A (en) 1964-04-13 1964-04-13 Comparison photometer using lenticular screen
US359113A US3368447A (en) 1964-04-13 1964-04-13 Comparison photometer using reflective pattern
US359116A US3323431A (en) 1964-04-13 1964-04-13 Comparison photometer
US359115A US3323430A (en) 1964-04-13 1964-04-13 Nonuniformly illuminated comparison photometer

Publications (1)

Publication Number Publication Date
NL6504697A true NL6504697A (de) 1965-10-14

Family

ID=27502921

Family Applications (4)

Application Number Title Priority Date Filing Date
NL6504696A NL6504696A (de) 1964-04-13 1965-04-13
NL6504656A NL6504656A (de) 1964-04-13 1965-04-13
NL6504697A NL6504697A (de) 1964-04-13 1965-04-13
NL6504698A NL6504698A (de) 1964-04-13 1965-04-13

Family Applications Before (2)

Application Number Title Priority Date Filing Date
NL6504696A NL6504696A (de) 1964-04-13 1965-04-13
NL6504656A NL6504656A (de) 1964-04-13 1965-04-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL6504698A NL6504698A (de) 1964-04-13 1965-04-13

Country Status (7)

Country Link
AT (5) AT314863B (de)
BE (4) BE662399A (de)
CH (4) CH497692A (de)
DE (4) DE1273854B (de)
GB (1) GB1100260A (de)
NL (4) NL6504696A (de)
SE (4) SE315137B (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE722965C (de) * 1937-11-06 1942-07-24 Dr Hans E J Neugebauer Verfahren zum Vergleichen von Helligkeiten
DE1104726B (de) * 1957-02-23 1961-04-13 Leitz Ernst Gmbh Belichtungsmesser fuer photographische oder kinematographische Zwecke
DE1166500B (de) * 1959-08-01 1964-03-26 Zeiss Ikon Ag Photoelektrischer Belichtungsmesser mit Lichtstrahlenbegrenzer
FR1268730A (fr) * 1960-09-14 1961-08-04 Reichert Optische Werke Ag Procédé photométrique visuel pour la photométrie hétérochrome et appareil pour la mise en oeuvre de ce procédé

Also Published As

Publication number Publication date
NL6504696A (de) 1965-10-14
DE1297887B (de) 1969-06-19
AT294453B (de) 1971-11-25
NL6504656A (de) 1965-10-14
DE1260179B (de) 1968-02-01
AT287342B (de) 1971-01-25
AT294452B (de) 1971-11-25
BE662444A (de) 1965-10-13
SE330782B (de) 1970-11-30
AT314863B (de) 1974-04-25
BE662442A (de) 1965-10-13
GB1100260A (en) 1968-01-24
CH469247A (de) 1969-02-28
CH522212A (de) 1972-06-15
BE662399A (de) 1965-10-12
CH497692A (de) 1970-10-15
NL6504698A (de) 1965-10-14
BE662443A (de) 1965-10-13
CH497693A (de) 1970-10-15
SE330783B (de) 1970-11-30
AT314864B (de) 1974-04-25
SE315137B (de) 1969-09-22
SE330096B (de) 1970-11-02
DE1291914B (de) 1969-04-03
DE1273854B (de) 1968-07-25

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