H - Electricity
02
H
348/36
H02H 3/027 (2006.01) H02H 11/00 (2006.01)
Patent
CA 1197600
SAFETY DEVICE ABSTRACT A safety device for use with an electric appliance to prevent the appliance from inadvertently being started if the appliance is plugged into an outlet when the on/off switch of the appliance is in its on state. A low level sensing current is applied to the appliance before full operating power is applied to the appliance. Detection of the low level sensing current prevents application of full operating power. If no sensing current is detected, full power is applied and the detector is disabled.
425582
Barthel Richard C.
Roy Richard D.
Gowling Lafleur Henderson Llp
Singer Company (the)
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