Patents by Inventor Arie Geert Cornelius Koppelaar

Arie Geert Cornelius Koppelaar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of secure RF ranging under strong multipath reflections
    Patent number: 9891311
    Abstract: A receiver, including: a tuner receiving an input signal; a signal processor configured to process the input signal; an automatic gain control (AGC) controller configured to: initialize the receiver in a low gain state; determine the presence of a signal; and increase the receiver gain to determine if a weak signal is present prior to a strong signal.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: February 13, 2018
    Assignee: NXP B.V.
    Inventors: Frank Harald Erich Ho Chung Leong, Arie Geert Cornelius Koppelaar, Stefan Drude, Andries Peter Hekstra
  • METHOD OF SECURE RF RANGING UNDER STRONG MULTIPATH REFLECTIONS
    Publication number: 20160033637
    Abstract: A receiver, including: a tuner receiving an input signal; a signal processor configured to process the input signal; an automatic gain control (AGC) controller configured to: initialize the receiver in a low gain state; determine the presence of a signal; and increase the receiver gain to determine if a weak signal is present prior to a strong signal.
    Type: Application
    Filed: July 30, 2014
    Publication date: February 4, 2016
    Inventors: Frank Harald Erich Ho Chung Leong, Arie Geert Cornelius Koppelaar, Stefan Drude, Andries Peter Hekstra