Ranging and angle of arrival antenna system for a mobile robot

  • US 10,459,063 B2
  • Filed: 02/16/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 02/16/2016
  • Status: Active Grant
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First Claim
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1. A mobile robot comprising:

  • a chassis;

    a shell moveably mounted on the chassis;

    a cutting assembly mounted to the chassis; and

    a communication system comprising;

    an antenna module disposed on a rear portion of the mobile robot, the antenna module comprising;

    a base assembly; and

    an antenna assembly mounted to the base assembly by a spring, the antenna assembly comprising;

    a ranging antenna; and

    at least three angle antennas arranged axisymmetrically about the ranging antenna, such that the ranging antenna and the at least three angle antennas define a tetrahedral geometry for determining an angle of arrival for one or more incident signals.

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