Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Patent
1984-03-09
1986-10-21
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
73150R, 3408701, 34087026, 356 51, G01J 336, G01N 1700
Patent
active
046187766
ABSTRACT:
A light and weather resistance testing apparatus (9) is provided with a sensor (1) located in the plane of the testing samples (14). The sensor (1) uses a transmitter (4) for wireless transmission of signals representing radiation received to an antenna (3) disposed on the wall (8) of the apparatus housing. The sensor (1) has multiple receptor cells (6) for various spectral ranges. The sensor (1) is powered by solar cells (7) located on the sensor housing. A plotter and display unit (13) can be connected to the apparatus for read-out of irradiance and irradiation. The wireless transmission of data from sensors to the display unit permits continuous measurement during rotation of samples and sensor.
REFERENCES:
patent: 3649877 (1972-03-01), Friedman et al.
patent: 3815109 (1974-06-01), Carraway et al.
patent: 4214835 (1980-07-01), Roos
patent: 4391522 (1983-07-01), Schmid et al.
Kapunga et al, "A Sensitive Radiosonde for Refractivity Measurements in a Tropical Environment", J. Phys. E: Instrum., 14 (7), Jul. 1981.
"Ultra-Violet Measuring Instrument for all Weathering Tests", trade brochure, Heraeus GmbH, Fed. Rep. of Germany, 1-83.
Becker Helmut
Eysholdt Ursula
Fritz Werner
Sturm Walter
Witt Jurgen
Fields Carolyn E.
W. C. Heraeus GmbH
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