
US Patent No: 6,140,956
Number of patents in Portfolio can not be more than 2000
Vehicle tracking and security system incorporating simultaneous voice and data communication
Stats
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Oct 31, 2000
Issued date -
Jun 25, 1997
filing date -
08/882,188
serial no -
Expired
status
Importance
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Abstract
A system which tracks and monitors a vehicle by utilizing cellular communication componentry and global positioning system componentry is disclosed. The system provides for simultaneous and continuous transmission of a voice signal and location data to a monitoring center. The monitoring center comprises componentry to communicate with the vehicle and determine the vehicle's location on a digitized map using a computer.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
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| 5,333,175 Method and apparatus for dynamic power control in TDMA portable radio systems | 155 | 1993 | |
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| 5,389,934 Portable locating system | 208 | 1993 | |
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| 5,410,541 System for simultaneous analog and digital communications over an analog channel | 201 | 1992 | |
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| 5,572,204 Vehicular emergency message system | 166 | 1995 | |
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| 4,754,255 User identifying vehicle control and security device | 271 | 1987 | |
| 5,515,043 Cellular/GPS system for vehicle tracking | 176 | 1994 | |
| 5,576,716 Owner oriented system for locating lost or stolen property | 85 | 1994 | |