Digital tanning monitor

Details Digital tanning monitor Digital tanning monitor

1992-11-13

1994-12-20

Anderson, Bruce C.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

2504941, G01J 142, G01J 100

Patent

active

053748255

ABSTRACT:
An apparatus and method are provided for measuring and controlling the amount of UV light exposure for tanning purposes. The UV light is measured using a photo diode to produce an analog signal with a strength corresponding to the intensity of the UV light emitted. A microprocessor converts the signal to a digital quantity and integrates the digital quantity over time to determine the accumulated amount of UV light emitted. The quantity of instantaneous or accumulated UV light emitted can be displayed. The accumulated UV light exposure can also be used to control the operation of the UV light bulbs.

REFERENCES:
patent: 4279254 (1981-07-01), Boschetti et al.
patent: 5107123 (1992-04-01), Shi

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