LOCATION DETECTION METHODS AND SYSTEMS
First Claim
1. A passive target detection system, comprising:
- antenna to receive stray radio frequency radiation, the antenna being designed for a frequency range and being removeable when a different frequency range is needed; and
circuitry coupled to the antenna, circuitry to process the received stray radio frequency radiation and to automatically identify a possible target and vehicle.
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Abstract
This document discusses, among other things, target, e.g., a vehicle, detection methods and systems that can identify, track, and positionally locate the vehicle using passive sensing of stray signals emitted by a target. The detector can be handheld, in an example, with computing devices, interchangeable antenna units, and a display. The antenna can offer desired gain at specific frequencies of interest. The computing devices can determine the location of the target, e.g., vehicle, aircraft, to within one degree of accuracy. The display can provide this data to a user. In an example, the detector can be a standalone device. In an example, the detector is part of a system that includes a server that can receive data from a plurality of detectors and transmit instructions to the detectors.
73 Citations
34 Claims
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1. A passive target detection system, comprising:
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antenna to receive stray radio frequency radiation, the antenna being designed for a frequency range and being removeable when a different frequency range is needed; and circuitry coupled to the antenna, circuitry to process the received stray radio frequency radiation and to automatically identify a possible target and vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 31, 32, 33, 34)
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15. A mobile, passive target detection system, comprising:
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a handhold; antenna releasably coupled to the handhold and configured to receive stray radio frequency radiation from a vehicle; and circuitry module releasably coupled to at least one of the handhold and the antenna, the circuitry module electrically coupled to the antenna, circuitry module to process the received stray radio frequency radiation and to automatically identify a possible target and target position. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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Specification