Patents by Inventor Machiel Boer

Machiel Boer 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).

  • Impedance-switching connector
    Patent number: 4139817
    Abstract: An electrical signal transmission line connector having a switch-selectable termination resistor within the connector body. Use of the connector at the output of a signal acquisition probe allows it to be used with electrical instruments, such as oscilloscopes, having different input impedances.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: February 13, 1979
    Assignee: Tektronix, Inc.
    Inventors: Machiel Boer, James E. Dikeman