Patents Assigned to Photocomm, Inc.
  • Solar irrigation D.C. to A.C. power system supplying A.C. voltage at a precise power frequency
    Patent number: 4980574
    Abstract: A solar power system supplying A.C. voltages at 60 Hz as required for irrigation control with frequency precision and voltage levels in accordance with specifications for off-the-shelf irrigation timers and controls.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: December 25, 1990
    Assignee: Photocomm, Inc.
    Inventor: William J. Cirrito