Apparatus for determining an optium sunscreen factor at any give

Details Apparatus for determining an optium sunscreen factor at any give Apparatus for determining an optium sunscreen factor at any give

1986-02-25

1988-06-07

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250372, G01J 100, G01J 142

Patent

active

047498650

ABSTRACT:
An apparatus for determining an optimum sunscreen factor at any given time for the purpose of selecting a sunscreen suitable for protecting the skin, located in a housing is an indicator for the sunscreen factor, an energy source, preferably a battery, an on-off switch, as well as a sensor responsive to the tanness of the skin and provided with a pick-up which is connected via an electronic evaluation circuit with the indicator.

REFERENCES:
patent: 3967124 (1976-06-01), Strutz
patent: 4428050 (1984-01-01), Pellegrino et al.

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