Patents by Inventor Jan C. Hoigaard

Jan C. Hoigaard 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).

  • Patent number: 5083117
    Abstract: The apparatus for monitoring and controlling electrostatic discharge control systems provides an automated sequence of electrostatic discharge control and soldering iron performance measurements that can be used to verify the continued integrity of the electrostatic discharge control systems. This is accomplished by a microprocessor controlled central data acquisition and control unit that controls a plurality of test units. Each work station in the manufacturing environment is equipped with a test unit that performs a number of measurements and tests of various electrostatic discharge control systems and soldering iron performance. The central data acquisition and control unit sequentially and automatically polls each individual test unit to perform or prompt the operator to participate in the designated measurements. The data obtained by each test unit is transferred to the central data acquisition and control unit where the data is analyzed and recorded.
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: January 21, 1992
    Inventor: Jan C. Hoigaard
  • Patent number: 4859992
    Abstract: An electrostatic system monitor and method for monitoring the operation of static control equipment such as conductive workbench and floor mats, conductive wrist straps, and the integrity of ground connections and soldering irons and to activate indicators and alarms when the static control equipment deteriorates or malfunctions by having resistances outside of predetermined values and ranges of resistance. The electrostatic system monitor also provides for the detection of unsafe voltage potentials on soldering irons, and for a surface resistance probe for measuring the surface conductivity of conductive surfaces of the static control equipment.
    Type: Grant
    Filed: December 11, 1986
    Date of Patent: August 22, 1989
    Inventor: Jan C. Hoigaard
  • Patent number: 4649374
    Abstract: An electrostatic system monitor and method for monitoring the operation of static control equipment such as conductive workbench and floor mats, conductive wrist straps, and the integrity of ground connections and soldering irons and to activate indicators and alarms when the static control equipment deteriorates or malfunctions by having resistances outside of predetermined values and ranges of resistance. The electrostatic system monitor also provides for the detection of unsafe voltage potentials on soldering irons, and for a surface resistance probe for measuring the surface conductivity of conductive surfaces of the static control equipment.
    Type: Grant
    Filed: January 6, 1984
    Date of Patent: March 10, 1987
    Assignee: Spectrascan, Inc.
    Inventor: Jan C. Hoigaard