Patent ID: 8536490

Claim:
An electric kettle, comprising a kettle body adapted for storing a predetermined amount of liquid, a base, a heating element and a wireless signal transmission device, wherein said kettle body comprises an upper connector, wherein said base comprises a lower connector for detachably connecting said kettle body with said base, wherein said wireless signal transmission device comprises a controller circuitry, a first wireless transceiver, a second wireless transceiver, and a light reflection arrangement, wherein said controller circuitry comprises a first controlling circuitry provided on said kettle body, and a second controlling circuitry provided on said base, wherein said first wireless transceiver is electrically connected to said first controlling circuit, while said second wireless transceiver is electrically connected to said second controlling circuit, wherein said light reflection arrangement comprises a first reflective mechanism provided on said kettle body, and a second reflective mechanism provided on said base, wherein when said kettle body is rotatably and detachably coupled with said base through said lower and said upper connector, and one of said first and said second wireless transceiver is activated to generate a wireless signal toward another of said wireless transceiver, said wireless signal is subject to multiple reflections by said first and said second reflective mechanism until said wireless signal reaches said corresponding first and said second wireless transceiver for commanding an operation of said heating element for heating and terminating heating of said liquid stored in said kettle body.