Power plug with programmable functionality
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United States of America Patent
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Aug 19, 2008
Grant Date -
Feb 1, 2007
app pub date -
Aug 1, 2005
filing date -
Aug 1, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a power plug for insertion into a cigarette lighter socket for powering an electronic device. The invention includes a housing and electrical contacts and a two-conductor cable coupled to the housing for supplying power to the electronic device. An electronic circuit inside the housing controls power to the electronic device, and a switch coupled to the housing controls one or more programmable functions of the electronic device. The particular function controlled by the switch depends on the length of time the switch is depressed (e.g., greater or less then 0.5 second).
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