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GB2347210B - Infrared gauge - Google Patents

Infrared gauge

Info

Publication number
GB2347210B
GB2347210B GB9904520A GB9904520A GB2347210B GB 2347210 B GB2347210 B GB 2347210B GB 9904520 A GB9904520 A GB 9904520A GB 9904520 A GB9904520 A GB 9904520A GB 2347210 B GB2347210 B GB 2347210B
Authority
GB
United Kingdom
Prior art keywords
infrared gauge
gauge
infrared
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 - Lifetime
Application number
GB9904520A
Other versions
GB2347210A (en
GB9904520D0 (en
Inventor
Colin David John Skelton
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.)
NDC Technologies Ltd
Original Assignee
Infrared Engineering Ltd
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 Infrared Engineering Ltd filed Critical Infrared Engineering Ltd
Priority to GB9904520A priority Critical patent/GB2347210B/en
Publication of GB9904520D0 publication Critical patent/GB9904520D0/en
Publication of GB2347210A publication Critical patent/GB2347210A/en
Application granted granted Critical
Publication of GB2347210B publication Critical patent/GB2347210B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9904520A 1999-02-26 1999-02-26 Infrared gauge Expired - Lifetime GB2347210B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9904520A GB2347210B (en) 1999-02-26 1999-02-26 Infrared gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9904520A GB2347210B (en) 1999-02-26 1999-02-26 Infrared gauge

Publications (3)

Publication Number Publication Date
GB9904520D0 GB9904520D0 (en) 1999-04-21
GB2347210A GB2347210A (en) 2000-08-30
GB2347210B true GB2347210B (en) 2003-08-06

Family

ID=10848619

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9904520A Expired - Lifetime GB2347210B (en) 1999-02-26 1999-02-26 Infrared gauge

Country Status (1)

Country Link
GB (1) GB2347210B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60042564D1 (en) * 2000-03-02 2009-08-27 Ndc Infrared Egineering Ltd DEVICE FOR ELECTROMAGNETIC DETECTION

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB378972A (en) * 1931-05-22 1932-08-22 Stone J & Co Ltd Improvements in and connected with light-sensitive detector or relay devices comprising sensitive means such as photo-electric or other cells
GB1281599A (en) * 1968-10-09 1972-07-12 Corning Glass Works Feedback controlled photosensitive object detecting system
GB1401699A (en) * 1971-11-04 1975-07-30 Dryczynski K Method and apparatus for measuring a measurable quantity using electro-magnetic radiation
GB2079010A (en) * 1980-06-27 1982-01-13 Laurel Bank Machine Co Optical detection device
EP0067574A2 (en) * 1981-06-01 1982-12-22 E.I. Du Pont De Nemours And Company Spectrophotometer
US5132527A (en) * 1991-05-30 1992-07-21 Gec-Marconi Electronic Systems Corp. Compensation arrangement for opto-electronic reference generator
EP0558854A1 (en) * 1991-12-09 1993-09-08 Hughes Aircraft Company Polychromatic source calibration by one or more spectrally filtered photodetector currents

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB378972A (en) * 1931-05-22 1932-08-22 Stone J & Co Ltd Improvements in and connected with light-sensitive detector or relay devices comprising sensitive means such as photo-electric or other cells
GB1281599A (en) * 1968-10-09 1972-07-12 Corning Glass Works Feedback controlled photosensitive object detecting system
GB1401699A (en) * 1971-11-04 1975-07-30 Dryczynski K Method and apparatus for measuring a measurable quantity using electro-magnetic radiation
GB2079010A (en) * 1980-06-27 1982-01-13 Laurel Bank Machine Co Optical detection device
EP0067574A2 (en) * 1981-06-01 1982-12-22 E.I. Du Pont De Nemours And Company Spectrophotometer
US5132527A (en) * 1991-05-30 1992-07-21 Gec-Marconi Electronic Systems Corp. Compensation arrangement for opto-electronic reference generator
EP0558854A1 (en) * 1991-12-09 1993-09-08 Hughes Aircraft Company Polychromatic source calibration by one or more spectrally filtered photodetector currents

Also Published As

Publication number Publication date
GB2347210A (en) 2000-08-30
GB9904520D0 (en) 1999-04-21

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190225