Electrical appliance having user proximity sensor

Details Electrical appliance having user proximity sensor Electrical appliance having user proximity sensor

1998-12-07

2000-08-15

Paschall, Mark

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219253, 219518, 219508, 219501, 340572, H05B 102

Patent

active

061040096

ABSTRACT:
An electric clothes iron with circuitry for automatically disabling power to the iron when the iron is left unattended for a certain period of time. The circuitry includes a circuit for controlling two timing periods, one for controlling the shut off when the iron is in the horizontal position, and one for controlling the shut off when the iron is in the vertical position. When the user grasps the handle of the iron, the timing circuits are disabled. However, once the user removes his hand from the iron, one of the two timer periods starts to expire. If the timer reaches its prescribed limit before the handle is again grasped, the iron will automatically shut off. If the user grasps the iron during the timing process, the timer will be disabled, and will start the counting from zero the next time the hand is removed from the handled.

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