AU4506393A - Light measurement - Google Patents

Light measurement

Info

Publication number
AU4506393A
AU4506393A AU45063/93A AU4506393A AU4506393A AU 4506393 A AU4506393 A AU 4506393A AU 45063/93 A AU45063/93 A AU 45063/93A AU 4506393 A AU4506393 A AU 4506393A AU 4506393 A AU4506393 A AU 4506393A
Authority
AU
Australia
Prior art keywords
light measurement
measurement
light
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.)
Abandoned
Application number
AU45063/93A
Inventor
Torstein Seim
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.)
Takeda AS
Original Assignee
Nycomed Pharma AS
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 Nycomed Pharma AS filed Critical Nycomed Pharma AS
Publication of AU4506393A publication Critical patent/AU4506393A/en
Abandoned 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
    • G01J1/44—Electric circuits
    • G01J1/46—Electric circuits using a capacitor
    • 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
    • G01J2001/4446—Type of detector
    • G01J2001/446—Photodiode
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
AU45063/93A 1992-06-29 1993-06-29 Light measurement Abandoned AU4506393A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9213737 1992-06-29
GB929213737A GB9213737D0 (en) 1992-06-29 1992-06-29 Light measurement
PCT/GB1993/001356 WO1994000742A1 (en) 1992-06-29 1993-06-29 Light measurement

Publications (1)

Publication Number Publication Date
AU4506393A true AU4506393A (en) 1994-01-24

Family

ID=10717876

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45063/93A Abandoned AU4506393A (en) 1992-06-29 1993-06-29 Light measurement

Country Status (3)

Country Link
AU (1) AU4506393A (en)
GB (1) GB9213737D0 (en)
WO (1) WO1994000742A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2127076A1 (en) * 1993-07-01 1995-01-02 Soon-Gil Seo Brightness measuring device for a camera and related control method
EP0676626A1 (en) * 1994-04-11 1995-10-11 GRETAG Aktiengesellschaft Device for measuring small currents and current differences
US7116354B2 (en) 2001-06-20 2006-10-03 Xenogen Corporation Absolute intensity determination for a light source in low level light imaging systems
US7649185B2 (en) 2002-02-06 2010-01-19 Xenogen Corporation Fluorescent phantom device
US7629573B2 (en) 2002-02-06 2009-12-08 Xenogen Corporation Tissue phantom calibration device for low level light imaging systems
EP1506696A1 (en) * 2002-05-16 2005-02-16 Koninklijke Philips Electronics N.V. Led capacitance discharge with limited current
EP2612200A4 (en) 2010-09-01 2015-11-25 Spectral Instr Imaging Llc Excitation light source assembly
EP2612134B1 (en) 2010-09-01 2019-10-23 Spectral Instruments Imaging, LLC Methods and systems for producing visible light and x-ray image data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5312599Y2 (en) * 1972-09-22 1978-04-05
US4249169A (en) * 1979-05-18 1981-02-03 Malinowski William J Optical smoke detector
DE3131546A1 (en) * 1981-08-08 1983-03-17 Fichtel & Sachs Ag, 8720 Schweinfurt Fouling indicator for electrostatic filters

Also Published As

Publication number Publication date
GB9213737D0 (en) 1992-08-12
WO1994000742A1 (en) 1994-01-06

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