Patents Represented by Attorney John H. Sherman

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  • Radio frequency identification transponder with a quadrupler or N-tupler circuit for efficient RF to DC conversion
    Patent number: 7158091
    Abstract: A multistage voltage multiplying circuit for single chip passive RF tags is provided, wherein the parasitic capacitance of the diodes of each stage of the voltage multiplying circuit is much less than the parasitic capacitance of the diodes of the preceding stage.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: January 2, 2007
    Assignee: Intermec IP Corp.
    Inventors: Vijay Pillai, Harley Kent Heinrich, Rene D. Martinez