Combined global positioning system receiver and radio
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 25, 2008
Grant Date -
May 1, 2008
app pub date -
Dec 13, 2007
filing date -
May 7, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A portable GPS/radio unit communicates over a wireless radio network with at least one other unit which is transmitting radio signals over the network indicative of that unit's location. The GPS/radio unit comprises a GPS receiver for receiving satellite signals from a plurality of satellites, a radio receiver for receiving the radio signals transmitted by the other unit, a processor for calculating the unit's location as a function of the received satellite signals and for identifying the location of the other unit based on the received radio signals, and a display for indicating the location of the other unit. The display may indicate the respective locations of multiple units and may also display unique identifiers for each of the units. A system and method for indicating the location of one portable GPS/radio unit on the display of another portable GPS/radio unit involves at least two such units communicating with one another over a wireless radio network.
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