Method and apparatus using low voltage level actuator to control operation of electrical appliance
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United States of America Patent
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Jan 18, 2000
Grant Date -
N/A
app pub date -
Sep 3, 1997
filing date -
Sep 3, 1997
priority date (Note) -
Expired
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Abstract
A method and apparatus utilizing a low voltage level actuator and a signal processing device such as a microprocessor to selectively electrically couple an electrical appliance with a switch circuit associated with a power source of relatively high voltage. The microprocessor is responsive to low level electrical signals from the actuator to control operation of the switch circuit and the appliance without posing a shock hazard to the user. One form of actuator includes a piezoelectric element.
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