Remote hub television and security systems

Claim 1

In a data communication system in which data, including television signals, are transmitted from a central station to a plurality of remote user stations at different levels of service, and data including security information are transmitted from the remote user stations to the central station, the combination comprising: (a) a remote hub processing station in communication with and located remote from the central station and the plurality of user stations, having: (1) first splitter means for splitting the television signals transmitted by the central station into a plurality of television signals, one for each level of service provided to the remote user stations, (2) a plurality of second splitter means in communication with said first splitter means, each second splitter means receiving a portion of one of said plurality of television signals and splitting said one signal into a plurality of user television signals for said remote user stations, (3) a plurality of filter means, each filter means receiving one of said plurality of television signals and transmitting to one of said second splitter means said portion of one of the television signals representative of one level of service provided to the plurality of user stations, (4) a plurality of data communication links, each extending from one of said second splitter means to one of the remote user stations, (5) security data separator means connected to each of said plurality of data communication links for receiving security signals from said remote user stations and transmitting the security signals on a common security bus, (6) security logic means in communication with said security bus for generating security data representative of the security signals from the remote user stations, and (7) transmitter means in communication with said security logic means for transmitting the security data to the central station, and (b) a plurality of adapter means in communication with said remote hub processing station, each adapter means being located at one of said remote user stations, and having: (1) frequency separator means in communication with one of said data communication links for receiving the user television signals from one of said second splitter means and for transmitting the security signals to said security data separator means, (2) a plurality of security monitoring devices, each having an alarm means for selectively generating an alarm signal representative of the status of the security monitoring device, (3) security arming means connected to each of said security monitoring devices for receiving said alarm signals and generating the security signals representative of the status of the security monitoring devices to the frequency separator means.