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1. (WO2017172626) SYSTEM AND METHODS FOR DETECTING A POSITION USING DIFFERENTIAL ATTENUATION

Pub. No.:    WO/2017/172626    International Application No.:    PCT/US2017/024329
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Tue Mar 28 01:59:59 CEST 2017
IPC: G01S 5/00
G01S 5/02
G01S 19/38
G01S 19/42
G01S 19/48
H04B 17/00
Applicants: HOWARD, Michael L.
Inventors: HOWARD, Michael L.
Title: SYSTEM AND METHODS FOR DETECTING A POSITION USING DIFFERENTIAL ATTENUATION
Abstract:
An apparatus for indicating a direction of a radio transmission is described. The apparatus includes at least one vector detection device including two or more antennas and an attenuating material between at least one of the antennas and a source of a radio transmission. The attenuating material is arranged to vary an amount of attenuation with an angle of the source with respect to at least one of the antennas. The apparatus is configured to generate a signal indicating a direction of the radio transmission by comparing received signal strengths from the two or more antennas.