Patents by Inventor Ephraim Bergida

Ephraim Bergida 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).

  • Current detector
    Patent number: 4326104
    Abstract: According to the present invention there is provided a current detector useful in interconnection of an automatic telephone exchange with a central office via TIP and RING leads and comprising; rectifying apparatus coupled to the TIP lead for rectifying at least a portion of the current flowing therealong of either polarity; and detector apparatus receiving the rectified output of the rectifying means and providing a DC output signal indicating current passage along the TIP lead.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: April 20, 1982
    Assignee: Tadiran Israel Electronics Industries Ltd.
    Inventor: Ephraim Bergida