Patent ID: 6453473
Filing Date: 2002-09-17
Classification: H04L,H04N

Abstract:
An access device for managing television and data signals from a cable television network signal, said access device comprising:an upstream frequency translator for translating a subscriber service request signal to a first predetermined frequency; a communications modem for sending said translated subscriber request signal to a data source, receiving a cable television network signal from said data source, receiving an authorization to utilize a transmit signal frequency and a receive signal frequency, and sending a subscriber termination signal to indicate a termination of service; a television band pass filter for filtering a television signal from said cable television network signal; a non-television band pass filter for filtering a data signal to and from said cable television network signal; a downstream frequency translator for translating said data signal from said cable television network signal to a second predetermined frequency; and a microprocessor for allocating frequency slots for said subscriber, setting said upstream frequency translator to translate said subscriber service request signal to said first predetermined frequency, and setting said downstream frequency translator to translate said data signal to said second predetermined frequency; wherein said access device accepts a service request signal from said subscriber, translates said service request signal to a first predetermined frequency, sends said service request signal through said communications modem, accepts a cable television network signal, filters a television signal from said cable television network signal, filters a data signal from said cable television network signal, translates said data signal to a second predetermined frequency, and sends said translated data signal to said subscriber.