Electro-optic apparatus

Optics: measuring and testing – Optical pyrometers

Patent

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Details

2502086, 250349, G01J 524

Patent

active

051755920

ABSTRACT:
A radiation pyrometer has four rectangular photodiodes mounted in an orthogonal array. Radiation from a hot body is focussed as a circular image centrally of the array. The outputs of diagonally opposite photodiodes are connected together to form two identical output channels.

REFERENCES:
patent: 4627041 (1986-12-01), Uemura

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