Vehicle tracking and security system incorporating simultaneous voice and data communication

Claim 2

A vehicle tracking and security system having simultaneous voice and data communication with a remote monitoring center comprising: a microphone within said vehicle producing a voice signal, a global positioning system (GPS) receiver within said vehicle producing location data corresponding to the location of said vehicle, a filter coupled to said microphone for deleting a narrow band of voice frequencies, a first signal processor coupled to said filter and to said GPS receiver for combining said location data with said voice signal within said narrow band of deleted voice frequencies, a cellular radio transmitter coupled to said combined voice and data signal for transmitting simultaneously said voice and data signals from said vehicle through a conventional cellular and telephone network to said remote monitoring center, a second signal processor at said remote monitoring center for separating said voice and said location data signals, a telephone coupled to said second signal processor to provide voice communication between said remote monitoring center and said vehicle, and a computer and display coupled to said second signal processor to provide a map display of the position of said vehicle derived from said location data signals.

Claim 3

The vehicle tracking and security system of claim 1, wherein said cellular radio transmits and receives data.

Claim 4

The vehicle tracking and security system of claim 1, wherein said first signal processor and second signal processor comprise digital signal processors.

Claim 5

The vehicle tracking and security system of claim 3, wherein said digital signal processor comprises a TMS320C25 digital signal processor.

Claim 8

The system of claim 5, wherein said combined signal comprises said voice signal having a small portion of said voice signal replaced by said global positioning system data.

Claim 9

The system of claim 5, wherein said mobile signal processor and said cellular communication device process and transmit said combined signal payload first followed by synchronization information.

Claim 10

A vehicle tracking and security system having simultaneous voice and data communication with a remote monitoring center comprising: a microphone within said vehicle producing a voice signal, a global positioning system (GPS) receiver within said vehicle obtaining location data corresponding to the location of said vehicle, a first signal processor coupled to said microphone and said GPS receiver, said signal processors deleting a narrow band of voice frequencies from said voice signal and combining said location data with said voice signal where said narrow band of voice frequency was deleted, a microprocessor coupled to said GPS receiver and said first signal processor which places the system in sleep mode to conserve power and at determinable times energizes said GPS receiver and said first signal processor, a cellular radio transmitter coupled to said combined voice and location data signal for transmitting simultaneously said combined voice and location data signals from said vehicle through a conventional cellular and telephone network to said remote monitoring center, a second signal processor at said remote monitoring center for separating said voice and said location data signals, a telephone coupled to said second signal processor to provide voice communication between said remote monitoring center and said vehicle, and a computer and display coupled to said second signal processor to provide a map display of the position of said vehicle derived from said location data signals.

Claim 11

A vehicle tracking and security system having simultaneous voice and data communication with a remote monitoring center comprising: a microphone within said vehicle producing a voice signal, a global positioning system (GPS) receiver within said vehicle obtaining location data corresponding to the location of said vehicle, a first signal processor coupled to said microphone and said GPS receiver, said signal processors deleting a narrow band of voice frequencies from said voice signal and combining said location data with said voice signal where said narrow band of voice frequency was deleted, a microprocessor coupled to said GPS receiver and said first signal processor which places the system in sleep mode to conserve power and at determinable times energizes said GPS receiver and said first signal processor, a cellular radio transmitter coupled to said combined voice and location data signal for transmitting simultaneously said combined voice and location data signals from said vehicle through a conventional cellular and telephone network to said remote monitoring center, a second signal processor at said remote monitoring center for separating said voice and said location data signals, a telephone coupled to said second signal processor to provide voice communication between said remote monitoring center and said vehicle, and a computer and display coupled to said second signal processor to provide a map display of the position of said vehicle derived from said location data signals.

Claim 12

The vehicle tracking and security system of claim 8, wherein said sleep mode comprises a state of low power usage wherein said GPS receiver, said first signal processor and said cellular radio transmitter do not consume power.

Claim 13

The vehicle tracking and security system of claim 8, wherein said microprocessor which places the system in sleep mode to conserve power comprises a PIC microprocessor.

Claim 14

A vehicle tracking and security system having simultaneous voice and data communication with a remote monitoring center comprising: a microphone within said vehicle producing a voice signal, a global positioning system (GPS) receiver within said vehicle producing location data corresponding to the location of said vehicle, a filter coupled to said microphone for deleting a narrow band of voice frequencies, a first signal processor coupled to said filter and to said GPS receiver for combining said location data with said voice signal within said narrow band of deleted voice frequencies, a cellular radio transmitter coupled to said combined voice and data signal for transmitting simultaneously said voice and data signals from said vehicle through a conventional cellular and telephone network to said remote monitoring center, a silent assistance request sensor linked to said cellular radio transmitter to automatically call said remote monitoring center when actuated, a second signal processor at said remote monitoring center for separating said voice and said location data signals, a telephone coupled to said second signal processor to provide voice communication between said remote monitoring center and said vehicle, and a computer and display coupled to said second signal processor to provide a map display of the position of said vehicle derived from said location data signals.

Claim 15

A vehicle tracking and security system having simultaneous voice and data communication with a remote monitoring center comprising: a microphone within said vehicle producing a voice signal, a global positioning system (GPS) receiver within said vehicle producing location data corresponding to the location of said vehicle, a filter coupled to said microphone for deleting a narrow band of voice frequencies, a first signal processor coupled to said filter and to said GPS receiver for combining said location data with said voice signal within said narrow band of deleted voice frequencies, a cellular radio transmitter coupled to said combined voice and data signal for transmitting simultaneously said voice and data signals from said vehicle through a conventional cellular and telephone network to said remote monitoring center, a silent assistance request sensor linked to said cellular radio transmitter to automatically call said remote monitoring center when actuated, a second signal processor at said remote monitoring center for separating said voice and said location data signals, a telephone coupled to said second signal processor to provide voice communication between said remote monitoring center and said vehicle, and a computer and display coupled to said second signal processor to provide a map display of the position of said vehicle derived from said location data signals.

Claim 16

The vehicle tracking and security system of claim 11, wherein said silent assistance request sensor comprises an activatable signaling device which causes said cellular radio transmitter to establish a communication link between said vehicle and said monitoring center.

Claim 17

The vehicle tracking and security system of claim 11, wherein said silent assistance request sensor comprises an under the carpet button.

Claim 18

A voice and data communication system comprising: a mobile unit having: a receiver which obtains location data signals; a microphone for receiving a voice signal; a signal processor receiving and processing said location data signals and said voice signal; a communication device connected to said signal processor, said communication device configured to transmit said processed location data signals and said voice signal without interrupting or substantially degrading said voice signal; and a monitoring center located remote from said mobile unit, said monitoring center receiving and separating said processed location data signals from said voice signal.

Claim 19

A voice and data communication system comprising: a mobile unit having: a receiver which obtains location data signals; a microphone for receiving a voice signal; a signal processor receiving and processing said location data signals and said voice signal; a communication device connected to said signal processor, said communication device configured to transmit said processed location data signals and said voice signal without interrupting or substantially degrading said voice signal; and a monitoring center located remote from said mobile unit, said monitoring center receiving and separating said processed location data signals from said voice signal.

Claim 20

The communication and location determining system of claim 14, wherein said mobile unit is portable.

Claim 21

The communication and location determining system of claim 14, wherein said mobile unit is handheld.