If you remember, the system used by Denzel Washington's character in The Bone Collector had a feature that if he blew in the tube 3 times rapidly in a row it activated some sort of "emergency mode" in his chair.
Requiring some sort of pattern would prevent it from being activated accidentally. My guess is it could be accomplished with some inexpensive pressure switches and some simple electronics.
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If you remember, the system used by Denzel Washington's character in The Bone Collector had a feature that if he blew in the tube 3 times rapidly in a row it activated some sort of "emergency mode" in his chair. Requiring some sort of pattern would prevent it from being activated accidentally. My guess is it could be accomplished with some inexpensive pressure switches and some simple electronics.
At least KFC and movie theatres can save some money since their chicken and popcorn buckets can now double as cups for soda.
What about Cable TV? I pay for the service but still have to sit through commercials on most of the channels.