Patents by Inventor Keith M. Hanf

Keith M. Hanf 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).

  • Adaptive weighting of multiple sources in a magnetic or hybrid tracking system
    Patent number: 11543529
    Abstract: An apparatus and method for implementing a technique for adaptively assigning weighting factors to position and orientation determinations in an electromagnetic or hybrid tracking system having multiple transmitters or multiple receivers. The apparatus may reduce the impact of eddy current distortion to the position and orientation determinations.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: January 3, 2023
    Assignee: ALKEN Inc.
    Inventors: Robert F. Higgins, Keith M. Hanf, Allan G. Rodgers, Jr., Allan G. Rodgers
  • Reversible connector orientation detection in an electromagnetic tracking system
    Patent number: 11050197
    Abstract: An apparatus and method for implementing a reversible connector for receiving coil-based sensor signals in an electromagnetic or hybrid tracking system. The apparatus is designed to reduce the number of connector pins assigned to the coil-based sensor signals while maintaining signal quality.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: June 29, 2021
    Assignee: ALKEN Inc.
    Inventors: Robert F. Higgins, Henry E. Himberg, Keith M. Hanf