Patents by Inventor Patrick J. Garfield

Patrick J. Garfield 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).

  • Identifying a lead related condition based on motion-based lead impedance fluctuations
    Patent number: 8374692
    Abstract: Techniques for determining whether a lead related condition exists based on a correlation between a parameter indicative of impedance of a lead and a parameter indicative of motion of the lead. In some examples, the techniques include generating an electrical signal that is indicative of impedance of the lead, generating an electrical signal that is indicative of motion of the lead, and monitoring the frequency, amplitude, and phase of the electrical signals in order to identify a correlation. In some examples, if a lead related condition is identified, an alert is provided or a sensing or therapy modification is suggested.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: February 12, 2013
    Assignee: Medtronic, Inc.
    Inventors: Jean M. Bobgan, Timothy R. Brown, Patrick J. Garfield
  • IDENTIFYING A LEAD RELATED CONDITION BASED ON MOTION-BASED LEAD IMPEDANCE FLUCTUATIONS
    Publication number: 20120004699
    Abstract: Techniques for determining whether a lead related condition exists based on a correlation between a parameter indicative of impedance of a lead and a parameter indicative of motion of the lead. In some examples, the techniques include generating an electrical signal that is indicative of impedance of the lead, generating an electrical signal that is indicative of motion of the lead, and monitoring the frequency, amplitude, and phase of the electrical signals in order to identify a correlation. In some examples, if a lead related condition is identified, an alert is provided or a sensing or therapy modification is suggested.
    Type: Application
    Filed: June 30, 2010
    Publication date: January 5, 2012
    Applicant: Medtronic, Inc.
    Inventors: Jean M. Bobgan, Timothy R. Brown, Patrick J. Garfield
  • Optical alignment system
    Patent number: 6590658
    Abstract: An optical alignment system is provided for aligning an optical module of the type which is suitable for use in an optical device. The system includes a reference base having a registration feature that aligns with a registration feature of the optical module. An optical sensor senses an optical characteristic of the optical element and optical element manipulator moves the optical element relative to the registration features of the optical module. A controller operates the optical element manipulator.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: July 8, 2003
    Assignee: CyberOptics Corporation
    Inventors: Steven K. Case, Gregory S. Mowry, Timothy A. Skunes, Patrick J. Garfield, John T. McElreath
  • Optical circuit pick and place machine
    Publication number: 20020168147
    Abstract: A method and apparatus for automatically assembling an optical device is provided. Prealigned optical modules are mounted by a pick and place machine onto a fixed reference.
    Type: Application
    Filed: March 15, 2002
    Publication date: November 14, 2002
    Inventors: Steven K. Case, Gregory S. Mowry, Timothy A. Skunes, John T. McElreath, Patrick J. Garfield, Craig D. Knighton
  • Optical alignment system
    Publication number: 20020113969
    Abstract: An optical alignment system is provided for aligning an optical module of the type which is suitable for use in an optical device. The system includes a reference base having a registration feature that aligns with a registration feature of the optical module. An optical sensor senses an optical characteristic of the optical element and optical element manipulator moves the optical element relative to the registration features of the optical module. A controller operates the optical element manipulator.
    Type: Application
    Filed: February 20, 2001
    Publication date: August 22, 2002
    Inventors: Steven K. Case, Gregory S. Mowry, Timothy A. Skunes, Patrick J. Garfield, John T. McElreath