Patents by Inventor Joseph A. Dalpee

Joseph A. Dalpee 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).

  • Programmer for magnetic latching relays
    Patent number: 4040119
    Abstract: The output of a first monostable multivibrator controls output-driving dees to provide an operating current and voltage to latch each magnetic latching relay in a first position. The first multivibrator then triggers a second monostable multivibrator whose output in conjunction with logic means controls output-driving devices to provide an operating current and voltage to latch selected relays in a second position.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: August 2, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Joseph A. Dalpee, Fred W. Bernard, Richard G. Reynolds
  • Electronic latching relay control
    Patent number: 3931550
    Abstract: A circuit for latching and unlatching of a relay by use of only one control ine and a unipolar pulse. The circuit causes an associated relay to alternately latch and unlatch upon receipt of each unipolar pulse.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: January 6, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Joseph A. Dalpee