Patent ID: 6154204
Filing Date: 2000-11-28
Classification: H04H,H04N

Abstract:
In combination, one of a wireless remote control device or a wireless information presentation device and a tap antenna unit including signal splitting means, coupled to a coaxial cable which is servicing a consumer electronic device for splitting off a non-telephone, low frequency band signal from the coaxial cable; a filter coupled to an output of said signal splitting means for selecting a low-level sharp frequency band in the energy spectrum of the coaxial cable; means for demodulating a digital data signal carried by said low-level frequency band to a demodulated digital output signal; means for modulating the digital output signal onto a carrier in an unlicensed frequency band; and an output antenna which is coupled to said modulating means for transmitting the output modulated signal over a limited transmitting-receiving area to a display device of one of said remote control device or said information presentation device without the use of a routing terminator.