Personal Locator Beacon
First Claim
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1. A tracking and locating system, comprising:
- a user unit;
a central unit; and
a range finder;
wherein the user unit includes a beacon that transmits an information signal;
wherein the central unit receives the information signal from the beacon, interprets content of the information signal, and reports the content; and
wherein the range finder receives the information signal from the beacon, interprets a range field of the information signal to determine a range, and reports the range.
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Abstract
A tracking and locating system includes a user unit, a central unit, and a range finder. The user unit includes a beacon that transmits an information signal. The central unit receives the information signal from the beacon, interprets content of the information signal, and reports the content. The range finder receives the information signal from the beacon, interprets a header of the information signal to determine a range, and reports the range.
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Citations
37 Claims
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1. A tracking and locating system, comprising:
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a user unit; a central unit; and a range finder; wherein the user unit includes a beacon that transmits an information signal; wherein the central unit receives the information signal from the beacon, interprets content of the information signal, and reports the content; and wherein the range finder receives the information signal from the beacon, interprets a range field of the information signal to determine a range, and reports the range. - 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, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification