Patents Assigned to Ultra Optec, Inc.
  • Welding control unit power supply
    Patent number: 5436427
    Abstract: A welding control unit power supply for providing a substantially constant and powerful DC supply voltage to the internal electronic components of the welding control unit. The DC supply voltage is derived from the high current welding power supply. The DC supply voltage is maintained substantially constant by means of the switching control circuit even upon occurrence of significant voltage variations in the welding power supply. The welding control unit circuit includes a permanently operating failure detection circuit.
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: July 25, 1995
    Assignee: Ultra Optec, Inc.
    Inventor: Denis Bourque