Patents by Inventor Dirk Blom

Dirk Blom 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).

  • Amplifier circuit for high frequency signals, particularly for cable distribution systems, comprising at least a first transistor controlled at its base electrode by a signal source, and a difference amplifier
    Patent number: 4099136
    Abstract: An amplifier circuit for high frequency signals, particularly for cable distribution systems, comprising at least a first transistor controlled at its base electrode by a signal source, and a difference amplifier in which the distortion produced across the base-emitter junction of the said transistor is eliminated in a simple manner by means of feerforward control.
    Type: Grant
    Filed: March 10, 1977
    Date of Patent: July 4, 1978
    Assignee: U.S. Philips Corporation
    Inventor: Dirk Blom
  • Amplifier circuit
    Patent number: 3955147
    Abstract: Low-distortion amplifier comprising n transistors (n .gtoreq. 3) connected in series for direct currents, (n - 1) of these transistors being connected in parallel for alternating currents to ensure low dissipation and a low supply voltage.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: May 4, 1976
    Assignee: U.S.
    Inventors: Nicolaas Van Hurck, Dirk Blom