Patents by Inventor Jack C. Greene

Jack C. Greene 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).

  • Pulsed repeater amplifier
    Patent number: 4119920
    Abstract: 1. A pulsed repeater amplifier circuit comprising three traveling wave tu, each said tube having a helical coil disposed therewithin; an input antenna; an output antenna; means connecting the said antennas and the said tubes in cascade so that a wave received on the input antenna is conducted successively through the said three tubes to the output antenna; means for establishing a predetermined electrostatic field about the helical coil in each tube; and means responsive to an individual modulating signal on the control grid of each tube for amplifying the wave during perdetermined intervals as it travels through each tube.
    Type: Grant
    Filed: April 29, 1959
    Date of Patent: October 10, 1978
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Jack C. Greene