Improvements relating to radiation thermometers

Details Improvements relating to radiation thermometers Improvements relating to radiation thermometers

1995-06-02

1997-03-25

Bennett, G. Bradley

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

374121, 356 43, G01J 508

Patent

active

056137770

ABSTRACT:
A radiation thermometer comprises an optical objective through which radiation to be detected passes. A beam splitter has a central region through which a central portion of the radiation which has passed through the objective passes undeflected and an outer region which reflects radiation surrounding the central portion. An eye piece receives radiation passing through the beam splitter; and a radiation detector receives radiation reflected by the beam splitter.

REFERENCES:
patent: 2199082 (1940-04-01), Peters
patent: 2761072 (1956-08-01), Wormser
patent: 3081632 (1966-03-01), Howell
patent: 3745347 (1973-07-01), DeBrey et al.
patent: 4375333 (1983-03-01), Clark et al.
patent: 4770528 (1988-09-01), Imura et al.
patent: 5172978 (1992-12-01), Nomura et al.
Two sheets of drawings (Drawing Nos. 3872082 and 3872816-818), Impac Electronic GmbH ISQ4 ratio pyrometer (1987).

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