Patents Assigned to Florida Computer Graphics
  • Method and apparatus for balancing flux in a power transformer circuit
    Patent number: 4404623
    Abstract: Method and apparatus are disclosed for use with switching power transformer circuits for balancing and compensating for core flux caused by unswitched D.C. current flowing in the transformer. A method and apparatus for adjusting the duty cycle of the switching portion of the power transformer circuit serves to balance the flux present in the transformer core during each half cycle of the operation of the circuit.
    Type: Grant
    Filed: April 23, 1982
    Date of Patent: September 13, 1983
    Assignee: Florida Computer Graphics
    Inventor: Charles S. Jourdan
  • Keyboard housing
    Patent number: D275755
    Type: Grant
    Filed: April 15, 1982
    Date of Patent: October 2, 1984
    Assignee: Florida Computer Graphics
    Inventors: John B. Cottrill, Charles L. Mauro, James H. Bleck, Robert M. Ronningen
  • Video display unit
    Patent number: D279678
    Type: Grant
    Filed: April 15, 1982
    Date of Patent: July 16, 1985
    Assignee: Florida Computer Graphics, Inc.
    Inventors: John B. Cottrill, Charles L. Mauro, James H. Bleck, Robert M. Ronningen