Photoelectric device

Details Photoelectric device Photoelectric device

1983-03-25

1987-04-14

McGraw, Vincent P.

Optics: measuring and testing

Optical pyrometers

374121, 374133, G01J 562

Patent

active

046573844

ABSTRACT:
A photoelectric device for use as a radiation thermometer capable of measuring the temperature of a target without being in contact therewith is provided. The photoelectric device can include a photovoltaic cell of germanium that is suitable for a radiation thermometer capable of measuring the temperature of a target between 200 degrees C. to 800 degrees C. The electrical output of the photovoltaic cell corresponding to the intensity of radiation is made independent of any change of the characteristic of the cell resulting from temperature.

REFERENCES:
patent: 2798961 (1957-07-01), Wormser
patent: 2816232 (1957-12-01), Burstein
patent: 3145568 (1964-08-01), Yellott
patent: 3293915 (1966-12-01), Banca et al.
patent: 3387134 (1968-06-01), Treharne
patent: 3448283 (1969-06-01), Higley et al.
patent: 3636552 (1972-01-01), Orima
patent: 3768059 (1973-10-01), Day
patent: 4322129 (1982-03-01), Takahashi et al.

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