Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Patent
1975-08-26
1976-06-29
Dixon, Harold A.
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
250365, G01J 142
Patent
active
039671240
ABSTRACT:
An apparatus for enabling the tolerance of the skin of individual persons to ultra-violet radiation to be determined, including a source of UV radiation and a mask having apertures for allowing UV radiation of different intensities to be applied to the skin of a person being tested.
REFERENCES:
patent: 3917948 (1975-11-01), Strutz
Measurement of Erythemal Energy by Hoyt S. Scott, A.I.E.E. Technical Paper 49-186, May 1949.
Biviator S.A.
Dixon Harold A.
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