Patents Represented by Attorney James P. Townsend and Towsend and Crew LLP Cleary

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  • Digital pulse width modulator
    Patent number: 6044113
    Abstract: A digital pulse width modulation circuit and method includes a first pulse width clock signal modulated by a second pulse width clock signal that represents a converted analog voltage input. The first and second pulse width signals are provided to a counter that counts to a predetermined gate count, wherein an output pulse width signal is provided that is in proportion to the analog voltage input.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: March 28, 2000
    Assignee: VISX, Inc.
    Inventor: Ioan T. Oltean