Device for use to prevent human skin from excessive sunburns

Details Device for use to prevent human skin from excessive sunburns Device for use to prevent human skin from excessive sunburns

1989-03-08

1990-10-16

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

340600, G01J 144

Patent

active

049629107

ABSTRACT:
In a device for use to prevent skin from sunburns according to the present invention, critical values concerning sunburns corresponding to a plurality of Sun Protection Factor values are displayed upon inputting of a user's skin-type data. Accumulative ultraviolet-radiation doses as measured over predetermined time intervals are compared with the critical values concerning sunburns corresponding to the above mentioned Sun Protection Factor values. Alarm sounds are activated calling the user's attention to prevent his or her skin from sunburns, every time each of the critical values coincides with the measured radiation doses.

REFERENCES:
patent: 3917948 (1975-11-01), Strutz
patent: 4428050 (1984-01-01), Pellegrino et al.
patent: 4535244 (1985-08-01), Burnham
patent: 4644165 (1987-02-01), Ross et al.
patent: 4704535 (1987-11-01), Leber et al.
patent: 4851686 (1989-07-01), Pearson

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