Patent ID: 6636157
Filing Date: 2003-10-21
Classification: G08C,H04B

Abstract:
A remote control system comprising:a remote commander for wirelessly transmitting a first command signal in accordance with a user operation, the first command signal having a first carrier frequency; control means including a receiving unit for receiving said first command signal as transmitted directly from said remote commander; and a transmitting unit, connected to said control means, for wirelessly transmitting a second command signal having a second carrier frequency, different than said first carrier frequency, directly to a selected appliance, said second command signal controlling operation of said selected appliance in response to said user operation; wherein said first and second command signals do not interfere with each other even though wirelessly transmitted through an operational range of common space in the vicinity of said selected appliance, a selecting apparatus having a receiving unit for receiving the second command signal, said selecting apparatus being connected among a plurality of appliances, each of which output at least one of an audio or video signal, and a speaker and a video monitor, said selecting apparatus selectively supplying a signal or signals from one of said plurality of appliances to said speaker or video monitor in response to said second command signal.