Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Patent
1982-02-19
1984-11-27
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
G01J 518
Patent
active
044853068
ABSTRACT:
There is provided a device for indicating the level of solar radiation intensity, and especially that region of the spectrum in the ultraviolet region which causes sunburn. The device may be provided with an output subdivided into a plurality of discrete levels of intensity indicated as numerals and figures. It may be provided with means of adjustment to the physiology of the user.
REFERENCES:
patent: 3765006 (1973-10-01), Takahashi et al.
patent: 4065672 (1977-12-01), Harpster
patent: 4229733 (1980-10-01), Tulenko et al.
patent: 4251769 (1981-02-01), Ewert et al.
patent: 4279254 (1981-07-01), Boschetti et al.
patent: 4348664 (1982-09-01), Boschetti et al.
Braunstein Arie
Levite Theodore
Sohar Ezra
Hannaher Constantine
Howell Janice A.
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