Patents by Inventor Timothy L. Farnsworth

Timothy L. Farnsworth 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: 7786780
    Abstract: Apparatus for producing a signal, comprising a capacitor; a first current source for one of charging and discharging the capacitor over a first time period; a second current source for one of discharging and charging the capacitor over a first portion of a second time period; a detector for detecting when the voltage across the capacitor is substantially a first voltage and controlling the second current source for a second portion of the second time period to substantially maintain the voltage across the capacitor; and an apparatus output for indicating when the voltage across the capacitor is one of above and below the first voltage.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: August 31, 2010
    Assignee: Jennic Limited
    Inventor: Timothy L. Farnsworth
  • Publication number: 20090015300
    Abstract: Apparatus for producing a signal, comprising a capacitor; a first current source for one of charging and discharging the capacitor over a first time period; a second current source for one of discharging and charging the capacitor over a first portion of a second time period; a detector for detecting when the voltage across the capacitor is substantially a first voltage and controlling the second current source for a second portion of the second time period to substantially maintain the voltage across the capacitor; and an apparatus output for indicating when the voltage across the capacitor is one of above and below the first voltage.
    Type: Application
    Filed: July 10, 2007
    Publication date: January 15, 2009
    Applicant: Jennic Limited
    Inventor: Timothy L. Farnsworth