Patents by Inventor Alexander W. Vogt

Alexander W. Vogt 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).

  • Digital to analogue convertors
    Patent number: 5105193
    Abstract: A high-speed digital to analogue convertor includes a matrix of cells each including a current source, in which there are provided local decode circuitry within each cell to bring into operation simultaneously all those current sources required to decode any one value.
    Type: Grant
    Filed: February 1, 1989
    Date of Patent: April 14, 1992
    Assignee: Marconi Electronic Devices limited
    Inventors: Alexander W. Vogt, Ian J. Dedic
  • Delta sigma modulator arrangements compensated by chopper stabilization
    Patent number: 4994805
    Abstract: A delta sigma modulator arrangement in which non-ideal characteristics such as noise or offsets in amplifiers or other circuits of the circuits of the arrangement are compensated by chopper stabilisation.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: February 19, 1991
    Assignee: The General Electric Company, p.l.c.
    Inventors: Ian J. Dedic, Alexander W. Vogt