AT294453B - Vergleichsphotometer - Google Patents

Vergleichsphotometer

Info

Publication number
AT294453B
AT294453B AT336965A AT336965A AT294453B AT 294453 B AT294453 B AT 294453B AT 336965 A AT336965 A AT 336965A AT 336965 A AT336965 A AT 336965A AT 294453 B AT294453 B AT 294453B
Authority
AT
Austria
Prior art keywords
comparison photometer
photometer
comparison
Prior art date
Application number
AT336965A
Other languages
English (en)
Original Assignee
Polaroid Corp
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 US359116A external-priority patent/US3323431A/en
Priority claimed from US359115A external-priority patent/US3323430A/en
Priority claimed from US359109A external-priority patent/US3416866A/en
Priority claimed from US359113A external-priority patent/US3368447A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Application granted granted Critical
Publication of AT294453B publication Critical patent/AT294453B/de

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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
    • G01J1/122—Visual exposure meters for determining the exposure time in photographical recording or reproducing
    • G01J1/124—Visual 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
    • 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
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/12—Photometry, 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)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Overhead Projectors And Projection Screens (AREA)
AT336965A 1964-04-13 1965-04-12 Vergleichsphotometer AT294453B (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US359116A US3323431A (en) 1964-04-13 1964-04-13 Comparison photometer
US359115A US3323430A (en) 1964-04-13 1964-04-13 Nonuniformly illuminated comparison photometer
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

Publications (1)

Publication Number Publication Date
AT294453B true AT294453B (de) 1971-11-25

Family

ID=27502921

Family Applications (5)

Application Number Title Priority Date Filing Date
AT336865A AT314863B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT336765A AT294452B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT336665A AT287342B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT336965A AT294453B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT1019865A AT314864B (de) 1964-04-13 1965-11-11 Vergleichsphotometer

Family Applications Before (3)

Application Number Title Priority Date Filing Date
AT336865A AT314863B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT336765A AT294452B (de) 1964-04-13 1965-04-12 Vergleichsphotometer
AT336665A AT287342B (de) 1964-04-13 1965-04-12 Vergleichsphotometer

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT1019865A AT314864B (de) 1964-04-13 1965-11-11 Vergleichsphotometer

Country Status (7)

Country Link
AT (5) AT314863B (de)
BE (4) BE662399A (de)
CH (4) CH522212A (de)
DE (4) DE1273854B (de)
GB (1) GB1100260A (de)
NL (4) NL6504697A (de)
SE (4) SE330096B (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
BE662442A (de) 1965-10-13
BE662444A (de) 1965-10-13
SE315137B (de) 1969-09-22
DE1297887B (de) 1969-06-19
AT314864B (de) 1974-04-25
SE330783B (de) 1970-11-30
CH469247A (de) 1969-02-28
CH497692A (de) 1970-10-15
AT314863B (de) 1974-04-25
AT287342B (de) 1971-01-25
NL6504656A (de) 1965-10-14
NL6504697A (de) 1965-10-14
BE662443A (de) 1965-10-13
DE1260179B (de) 1968-02-01
CH522212A (de) 1972-06-15
CH497693A (de) 1970-10-15
SE330782B (de) 1970-11-30
GB1100260A (en) 1968-01-24
NL6504698A (de) 1965-10-14
NL6504696A (de) 1965-10-14
SE330096B (de) 1970-11-02
DE1273854B (de) 1968-07-25
BE662399A (de) 1965-10-12
DE1291914B (de) 1969-04-03
AT294452B (de) 1971-11-25

Similar Documents

Publication Publication Date Title
AT259362B (de) Bereitschaftstasche
CH428619A (de) Korselett
CH415257A (de) Kesselpauke
BR6786870D0 (pt) Imidazois
CH430310A (fr) Baumschüttler
NL138865B (nl) Vergelijkingsfotometer.
AT260598B (de) Heuwerbegerät
BE789491Q (fr) Ellipsographe
AT287342B (de) Vergleichsphotometer
AT289179B (de) Leitblankenbahn
FI36997A (fi) Vätskespridare
CH435586A (it) Tenda-branda
BR6574623D0 (pt) Mitosenos acilados
FI36031A (fi) Samlingspärm
ES103695Y (es) Polvera-pitillera
ES109025Y (es) Estuche-escribanía
ES109601Y (es) Llavero-carterilla
ES104850Y (es) Interruptor-conmutador
FR1386177A (fr) Lissette
FI43883C (fi) Tryckhammarmekanism
ES105039Y (es) Envase-vela
ES105237Y (es) Saco-manta
ES103500Y (es) Pernio
ES106109Y (es) Plataforma-carretilla
ES106295Y (es) Tapón-cuchara

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee