Patent ID: 6334061
Filing Date: 2001-12-25
Classification: B60R,G01S,H04B

Abstract:
In a position enhanced cellular telephone system wherein a cellular telephone device incorporates a position finder facility, a data modem and controller and a car alarm device, the improvement for merging the functionality of said cellular telephone device, position finder facility, data modem, controller, and car alarm, the improvement comprising a function integrating unit, including:a microprocessor and a plurality of data input and output terminals coupled to said microprocessor,means to couple position signals from said position finder facility to an input terminal on said microprocessor,means to couple signals from said car alarm to an input terminal of said microprocessor,a signal conversion circuit for converting cellular RF to baseband and baseband to cellular RF, and switch means controlled by said microprocessor for coupling cellular RF signals to and from said cellular telephone device to said signal conversion circuit,a digital signal processor (DSP) coupled to said microprocessor and controlled thereby,a microphone and a speaker connected to said DSP, and means coupling said DSP to said signal conversion circuit.