Patents Represented by Attorney Wibert Hawk, Jr.

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  • Programmable ultraviolet lamp control system
    Patent number: 4873470
    Abstract: A variable intensity, ultraviolet lamp is used in a drying process. The ultraviolet lamp provides a low level intensity for use during a low intensity portion of the drying or curing cycle and provides a high level intensty for use during an increased or a maximum intensity portion of the cycle. Capacitors are switched into and out of a circuit which also includes a ballast transformer of the lamp for enabling variable intensity levels for use in the drying of printing ink on business forms or like media.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: October 10, 1989
    Assignee: NCR Corporation
    Inventor: Robert A. Myers