Portable position determining device
First Claim
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1. A position determining device, comprising:
- a satellite navigation receiver for automatically providing position information from an output of said satellite navigation receiver for transmission to a host paging receiver when said provided position information indicates said device has changed its position relative to a predetermined location; and
a two-way communication device configured to transmit to said host paging receiver and having a transmitting input coupled to said output of said satellite navigation receiver wherein said provided position information is transmitted to said host paging receiver responsive to receiving said provided position information at said transmitting input for readout of said provided position information at said host paging receiver;
wherein said position determining device is configurable as a portable unit.
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Abstract
A position determining device is disclosed comprising a satellite navigation receiver for automatically providing computed position information, when the device has changed its position relative to a predetermined location, to a paging transmitter for transmission to a paging receiver for readout of the computed position information. The readout may be in the form of coordinates and may be accompanied by a message or alarm. The device may be configured as a portable unit of small size and economical manufacture.
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Citations
25 Claims
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1. A position determining device, comprising:
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a satellite navigation receiver for automatically providing position information from an output of said satellite navigation receiver for transmission to a host paging receiver when said provided position information indicates said device has changed its position relative to a predetermined location; and a two-way communication device configured to transmit to said host paging receiver and having a transmitting input coupled to said output of said satellite navigation receiver wherein said provided position information is transmitted to said host paging receiver responsive to receiving said provided position information at said transmitting input for readout of said provided position information at said host paging receiver;
wherein said position determining device is configurable as a portable unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification