GB854204A - Improvements in or relating to temperature-indicating instruments - Google Patents

Improvements in or relating to temperature-indicating instruments

Info

Publication number
GB854204A
GB854204A GB23662/57A GB2366257A GB854204A GB 854204 A GB854204 A GB 854204A GB 23662/57 A GB23662/57 A GB 23662/57A GB 2366257 A GB2366257 A GB 2366257A GB 854204 A GB854204 A GB 854204A
Authority
GB
United Kingdom
Prior art keywords
semi
conductor
detectors
july
temperature
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
GB23662/57A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB854204A publication Critical patent/GB854204A/en
Expired 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
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/60—Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radiation Pyrometers (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

854,204. Measuring colour temperatures. SIEMENS & HALSKE A. G. July 25, 1957 [July 25, 1956], No. 23662/57. Class 40(3). [Also in Group XX] In an instrument 2 for measuring the colour temperature of a body 1, in which the rays are divided according to their wavelength to fall on two detectors 10, 12, the division is effected by an inclined plate 7 made of an electrical semi-conductor such as germanium which reflects and transmits different wavelengths. A second different semi-conductor plate 11 may be added and either the transmitted or reflected rays detected. In a modification the inclined plate 7 is a semi-transparent mirror and a semi-conductor plate is inserted in one or both ray paths. The detectors may be thermo-couples or photocells. Reference has been directed by the Comptroller to Specification 803,347.
GB23662/57A 1956-07-25 1957-07-25 Improvements in or relating to temperature-indicating instruments Expired GB854204A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE854204X 1956-07-25

Publications (1)

Publication Number Publication Date
GB854204A true GB854204A (en) 1960-11-16

Family

ID=6788792

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23662/57A Expired GB854204A (en) 1956-07-25 1957-07-25 Improvements in or relating to temperature-indicating instruments

Country Status (1)

Country Link
GB (1) GB854204A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183029A (en) * 1985-11-14 1987-05-28 United Technologies Corp Dual spectra pyrometer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2183029A (en) * 1985-11-14 1987-05-28 United Technologies Corp Dual spectra pyrometer
GB2183029B (en) * 1985-11-14 1989-11-29 United Technologies Corp A high optical efficiency dual spectra pyrometer

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