Illumination – Sound equipment illuminator – Telephone
Patent
1984-11-06
1986-09-23
Lechert, Jr., Stephen J.
Illumination
Sound equipment illuminator
Telephone
179185, 220 87, 4221863, 422187, H04M 122
Patent
active
046139281
ABSTRACT:
Telephone sterilizer consisting of a bacteria destroying light source. Light source installed under a protection shield mounted against instrument base of telephone in such a fashion that when hand set is put on cradle the mouthpiece of hand set matches the light source under protection shield which is activated for several seconds by a time relay which is synchronized with the mechanism of the cradle by means of a contact switch.
REFERENCES:
patent: 4486628 (1984-12-01), Thompson
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