Patents by Inventor Jonas Per Ludvig Weiland

Jonas Per Ludvig Weiland 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).

  • Power supply with control circuit for controlling a high voltage circuit using a low voltage circuit
    Patent number: 6853047
    Abstract: Disclosed is a power supply with a control circuit comprising a capacitively coupled bridge circuit (10) for using a low-voltage circuit to operate a high-voltage circuit. The invention maintains isolation between the high-and low voltage sections by using a capacitor (20).
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: February 8, 2005
    Assignee: Microsemi Corporation
    Inventors: Alain R. Comeau, Jonas Per Ludvig Weiland
  • Implantable cardiac defibrillation with control circuit for controlling a high voltage circuit using a low voltage circuit
    Patent number: 6800916
    Abstract: Disclosed is an implantable cardiac defibrillator (50) with a circuit comprising a capacitively coupled bridge circuit (10) for using a low-voltage circuit to operate a high-voltage circuit. The invention maintains isolation between the high- and low voltage sections by using a capacitor (20).
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: October 5, 2004
    Assignee: Microsemi Corporation
    Inventors: Alain R. Comeau, Jonas Per Ludvig Weiland
  • Apparatus for controlling a high voltage circuit using a low voltage circuit
    Patent number: 6657274
    Abstract: Disclosed is a capacitively coupled bridge circuit for using a low-voltage circuit to operate a high-voltage circuit. The invention maintains isolation between the high- and low-voltage sections by using a capacitor. Also disclosed is the use of the invention in an inplantable cardiac defibrillator.
    Type: Grant
    Filed: October 11, 2001
    Date of Patent: December 2, 2003
    Assignee: Microsemi Corporation
    Inventors: Alain R. Comeau, Jonas Per Ludvig Weiland
  • Apparatus for controlling a high voltage circuit using a low voltage circuit
    Publication number: 20030071322
    Abstract: Disclosed is a capacitively coupled bridge circuit for using a low-voltage circuit to operate a high-voltage circuit. The invention maintains isolation between the high-and low-voltage sections by using a capacitor. Also disclosed is the use of the invention in an inplantable cardiac defibrillator.
    Type: Application
    Filed: October 11, 2001
    Publication date: April 17, 2003
    Inventors: Alain R. Comeau, Jonas Per Ludvig Weiland