Patents by Inventor Gustaaf E. Arnolds

Gustaaf E. Arnolds 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).

  • Temperature stabilized crystal oscillator
    Patent number: 5424601
    Abstract: An electronic circuit including a frequency-selective part including a piezoelectric crystal and an inductance; The crystal is shaped relative to its crystal axes in such a way that its temperature coefficient and the temperature coefficient of the inductance have opposite signs in order to reduce the influence temperature on the pulling range of the frequency-selective part of the circuit.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: June 13, 1995
    Assignee: U.S. Philips Corporation
    Inventors: Gustaaf E. Arnolds, Jan W. Ooijman