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Personal electronic device providing enhanced user environmental awareness

  • US 8,884,809 B2
  • Filed: 07/29/2011
  • Issued: 11/11/2014
  • Est. Priority Date: 04/29/2011
  • Status: Expired due to Fees
First Claim
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1. A device, comprising:

  • a personal electronic device including a logic circuit and a user interface; and

    at least one micro-impulse radar operatively coupled to the logic circuit and configured to probe one or more regions near the personal electronic device by emitting a pulse in the probed one or more regions;

    wherein the logic circuit is configured to,receive micro-impulse radar data including information about at least one of spatial location of an object, shape of an object, direction of movement of an object, velocity of movement of an object, or density of an object in the one or more regions,process the transmitted return signal to generate micro-impulse radar data including information about at least one of spatial location of an object, shape of an object, direction of movement of an object, velocity of movement of an object, or density of an object in the probed one or more regions,analyze the micro-impulse radar data to determine if a hazard condition exists for a user based on at least one of a presence of a person other than the user within the one or more regions, a proximity and velocity of movement of an object relative to the user, a void in the one or more regions, or an uneven terrain in the one or more regions, andin cooperation with the user interface, at least conditionally provide information about the one or more regions to the user.

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