Patent ID: 6347215
Filing Date: 2002-02-12
Classification: H04H,H04L

Abstract:
An information distribution system for distributing information to a plurality of processing units each located in a separate remote site, each of said processing units being connected to a display device, said system comprising:a central database containing a first set of digital data, means for retrieving portions of said first set of digital data in response to requests from said processing units, and a plurality of telephone connections for receiving said requests and for sending said portions of said first set of digital data to said processing units; a transmitter transmitting wireless signals encoded with a second set of digital data, said second set of digital data comprises a first set of displayable data, a second set of displayable data, a first set of non-displayable data indicating a presence of said second set of displayable data; and a non-displayable linkage reference associated with said second set of displayable data; and each of said processing units comprising: a receiver for receiving said wireless signals; a data interface for retrieving said second set of digital data from said received wireless signals; means for displaying said first set of displayable data on said display device; means for displaying said second set of displayable data on said display device in a way that calls attention to said second set of displayable data to a user; a user interface for allowing said user to select at least a portion of said second set of displayable data; and a telephone connection for sending said retrieved linkage reference to said remote database and for receiving a portion of said first set of digital data, said retrieved linkage reference being used by said database as one of said requests.