Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1993-04-22
1998-08-11
Groody, James J.
Communications: electrical
Condition responsive indicating system
Specific condition
128632, G08B 2800, A61B 500
Patent
active
057932921
ABSTRACT:
A system for inhibiting use of a hand-operated machine by an impaired individual through detection of toxins in the individual has affixed to a portion of the machine which the operator regularly engages with his or her hands a porous membrane (5) impregnated with a substance (2) which reacts with a toxin by-product of an impairing substances such as alcohol, and another substance which causes the combined toxin and toxin-reacting substance to exhibit a color change. The system further contains a means (26) for detecting the color change in the membrane (5) and then causing a signal (14) to be displayed to the operator. Upon detection of the toxin-producing substance the system may also interrupt operation of the machine.
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Drew Michael
Groody James J.
Miller John W.
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