Patents by Inventor Jonathon Jongsma

Jonathon Jongsma 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).

  • Publication number: 20050248477
    Abstract: A circuit includes a multiplexer, an analog-to-digital converter, and a processor that compares a sequence of digital outputs from the analog-to-digital converter to a sequence of normal ranges that correspond with the digital outputs in order to provide an error output when one of the digital outputs is outside its normal range.
    Type: Application
    Filed: April 21, 2004
    Publication date: November 10, 2005
    Applicant: Rosemount Inc.
    Inventors: Jonathon Jongsma, Garrie Huisenga
  • Publication number: 20050231182
    Abstract: A process field device for coupling to a two wire process control loop includes a field device circuitry and a switching regulator to power the circuitry. A series regulator provides a regulated supply voltage to the switching regulator. A noise filter reduces the amount of noise from the switching regulator which enters the two wire process control loop.
    Type: Application
    Filed: April 15, 2004
    Publication date: October 20, 2005
    Inventors: Garrie Huisenga, James Johnson, Jonathon Jongsma