Patents by Inventor Yehudah Z. Eckhaus

Yehudah Z. Eckhaus 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).

  • Burglar alarm fault detector
    Patent number: 4823089
    Abstract: A burglar alarm fault detector for aiding in the detection of faults including intermittent faults within a burglar alarm circuit. The circuit includes low and high end adjustments for setting the values of the measured resistance above and below the actual resistance of the burglar alarm circuit. At each of these set values an alarm will sound. The alarm sounded from the high adjustment can be distinguished from that of the low adjustment.
    Type: Grant
    Filed: May 8, 1987
    Date of Patent: April 18, 1989
    Inventors: Yehudah Z. Eckhaus, Ira Eckhaus