Patent ID: 6122620
Filing Date: 2000-09-19
Classification: G06Q,H04R

Abstract:
A digital signal conversion system for storing, retrieving, and converting real time digital signals to audio signals allowing for subsequent transmission and audio reception, said system comprising:at least one airline computerized reservation system serving as digital source computer;at least one flight information file server communicably attached to the digital source computer;at least one flight information database communicably attached to the flight information file server;at least one data output means in communication with the digital source computer;at least one local airport local area network communicably attached to the flight information file server;at least one signal conversion computer communicably attached to the local airport local area network;at least one signal conversion computer database communicably attached to the signal conversion computer;an audio production capability in communication with the signal conversion computer;a city code differentiation means in communication with the signal conversion computer;an announcement generation means resident within the signal conversion computer;at least one telephone circuit communicably attached to the signal conversion computer;at least one airport location radio transmission local area network in communication with the telephone circuit;at least one equalizer communicably attached to airport location radio transmission local area network;at least one airport location radio transmitter communicably attached to the equalizer;at least one airport location radio antennae communicably attached to the airport location radio transmitter.