Patents by Inventor Ronald J. Bakken

Ronald J. Bakken 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).

  • Meter and amplifier circuit for measuring AC and DC signals
    Patent number: 4024471
    Abstract: The bases of a first pair of opposite conductivity transistors are connected to one input terminal of the amplifier circuit. A conventional meter is connected in the collector-emitter path of a second pair of transistors. Four arrangements are disclosed for coupling the first pair of transistors to the second pair; two of the embodiments enable DC signals to be measured and the other two AC signals.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: May 17, 1977
    Inventor: Ronald J. Bakken