Patents Represented by Law Firm Wolf, Greenfield & Seaks, P.C.
  • Method and programmable device for generating variable width pulse trains
    Patent number: 5870593
    Abstract: The present invention relates to a method for generating pulse trains by means of a microprocessor, consisting of generating an envelope signal by means of a timer which is programmable by a CPU, the width of a square wave of the envelope signal corresponding to the width of the pulse trains, generating a carrier signal having a predetermined frequency, and modulating the envelope signal with the carrier.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: February 9, 1999
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Jacques Prunier, Laurent Lusinchi