Portable electrical appliance with object sensing assembly

H - Electricity – 01 – H

Patent

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H01H 47/26 (2006.01)

Patent

CA 2620584

A portable electric appliance includes a housing, an electrically operable element positioned within the housing, a transmitter adapted to transmit a beam of radiation, and a receiver responsive to the beam of radiation. The transmitter is positioned external to the housing, and the receiver is positioned to receive the beam of radiation. The electrically operable element is de-energized in response to the beam of radiation being blocked or interrupted. A method adapted to disable a portable electric appliance includes transmitting a beam of radiation from a transmitter on the portable electric appliance, receiving the beam of radiation by a receiver on the portable electric appliance, and de-energizing an electrically operable element associated with the portable electric appliance in response to the beam of radiation being blocked or interrupted.

L'invention concerne un appareil électrique portatif comprenant un boîtier, un élément à commande électrique disposé à l'intérieur du boîtier, un émetteur conçu pour émettre un faisceau de rayonnement, ainsi qu'un récepteur sensible à ce faisceau de rayonnement. L'émetteur est disposé à l'extérieur du boîtier et le récepteur est disposé de façon à recevoir le faisceau de rayonnement. L'élément à commande électrique est désactivé lorsque le faisceau de rayonnement est bloqué ou interrompu. L'invention concerne également un procédé permettant de désactiver un appareil électrique portatif, consistant à émettre un faisceau de rayonnement à partir d'un émetteur monté sur l'appareil électrique portatif, à recevoir le faisceau de rayonnement à l'aide d'un récepteur monté sur l'appareil électrique portatif, et à désactiver un élément à commande électrique associé à l'appareil électrique portatif lorsque le faisceau de rayonnement est bloqué ou interrompu.

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