Wireless transmitter and doorbell system

Details Wireless transmitter and doorbell system Wireless transmitter and doorbell system

H - Electricity

04

B

H04B 1/02 (2006.01) G08B 1/08 (2006.01) G08B 3/10 (2006.01) G08C 17/02 (2006.01) H01Q 1/36 (2006.01) H01Q 1/42 (2006.01)

Patent

CA 2382818

A wireless doorbell system which employs a radio frequency ("RF") transmitter and a RF receiver. The doorbell transmitter has its RF source and antenna enclosed within a metal case which is designed so that the effective operating range of the transmission of the RF signals is not reduced to unacceptable levels and whose finish, such as polished brass, presents an attractive appearance which can be made to match the decorative trim at the entranceway to a building, such as a residence.

Système de sonnerie de porte sans fil qui comporte un émetteur et un récepteur de radiofréquences (RF). L'émetteur de la sonnette comprend une source de RF et une antenne logées dans un boîtier en métal conçu pour que la capacité de transmission des signaux RF ne soit pas réduite à des niveaux inacceptables et dont la finition, par exemple en laiton poli, présente un aspect attrayant et peut être assortie à la garniture décorative de l'entrée d'un bâtiment, par exemple une résidence.

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