System, method and apparatus for communicating position data
First Claim
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1. A method on a computer unit for calculating and transmitting position data, comprising:
- monitoring motion of the unit;
if motion of the unit is detected,initiating a start sequence of the unit, comprising;
initiating a cold start sequence of the unit if an amount of time that has passed since a previous step of calculating position data is greater than a first threshold value;
initiating a warm start sequence of the unit if the amount of time is less than the first threshold value but greater than a second threshold value;
initiating a hot start sequence of the unit if the amount of time is less than a the second threshold value;
calculating current position data of the unit using the Global Positioning System (GPS);
calculating a difference between the current position data of the unit and a previous position data of the unit; and
transmitting the current position data of the unit if the difference is greater than a threshold value.
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Abstract
A method on a computer unit for calculating and transmitting position data is disclosed. The method includes monitoring motion of the unit. If motion of the unit is detected, the method further includes initiating a start sequence of the unit, calculating current position data of the unit using the Global Positioning System (GPS), calculating a difference between the current position data of the unit and a previous position data of the unit and transmitting the current position data of the unit if the difference is greater than a threshold value.
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Citations
10 Claims
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1. A method on a computer unit for calculating and transmitting position data, comprising:
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monitoring motion of the unit; if motion of the unit is detected, initiating a start sequence of the unit, comprising; initiating a cold start sequence of the unit if an amount of time that has passed since a previous step of calculating position data is greater than a first threshold value; initiating a warm start sequence of the unit if the amount of time is less than the first threshold value but greater than a second threshold value; initiating a hot start sequence of the unit if the amount of time is less than a the second threshold value; calculating current position data of the unit using the Global Positioning System (GPS); calculating a difference between the current position data of the unit and a previous position data of the unit; and transmitting the current position data of the unit if the difference is greater than a threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification