Patent ID: 6745392
Filing Date: 2004-06-01
Classification: H04N

Abstract:
A telecommunication system for providing telecommunication services, including video, telephony and computer network services, to a group of end user sites connected to a loop-through cable distribution system, comprising:a headend system which provides said telecommunication services in the form of telecommunication signals, said telecommunication signals comprising a video signal; a service module in communication with said headend system and adapted to receive said telecommunication signals from said headend system and provide said telecommunication signals from said headend system to said group of end user sites, said service module comprising: processing means for processing telecommunication service requests from said end user sites; splitting means for receiving said video signal from said headend system and splitting said video signal into a plurality of video signals, one for each of said end user sites; channel formatting means for each of said end user sites, said channel formatting means for receiving one of said plurality of video signals, extracting a video channel from said one of said plurality of video signals, said video channel being requested by one of said end user sites, demodulating said video channel from its modulated frequency to baseband, and creating an output video channel for said one of said end user sites by remodulating said video channel from baseband to a predetermined frequency, said predetermined frequency being different for each of said end user sites summing means for summing said output video channel from each of said channel formatting means into a composite video signal comprising each of said output video channels modulated to different frequencies; a loop-through cable communication connection which communicates said composite video signal from said summing means to each of said end user sites; coupling means for coupling said communication connection to an end user site; filter means for filtering said output video channel for said end user site from said composite video signal, creating an end user video signal; and a customer interface device which receives said end user video signal and transmits said end user video signal to a video signal viewing apparatus; wherein there are N number of end user sites and N number of corresponding channel formatting means, and wherein X represents a particular end user site and channel formatting means and X can vary from 1 to N, such that a particular channel formatting means X creates said output video channel for end user site X at a frequency associated with channel M, wherein M=X+1; and wherein said end user site 1 is furthest from said service module and end user site N is closest to said service module.