Patents by Inventor Jaswinder Jandu

Jaswinder Jandu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Waveform shaping circuit for a multiplexed information bus transmitter
    Patent number: 5812595
    Abstract: A waveform shaping circuit (120) provides a shaped variable pulse width modulation signal (VPWM) for an SAE (Society of Automotive Engineers) J1850 compliant bus. The J1850 specification defines a single wire multiplexed bus protocol for an automotive application. A counter logic circuit (440) receives a variable pulse width modulation signal (VPWM) signal having unshaped rising and falling edges and a clock having a period smaller than a desired rise or fall time. The counter logic circuit (440) shapes the rising and falling edges of the VPWM signal by sequentially switching each of a variable weighted resistor string (410) to produce an unfiltered shaped VPWM signal. The unfiltered shaped VPWM signal is smoothed by a low pass filter (430) to produce a smoothed shaped VPWM signal.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: September 22, 1998
    Assignee: Motorola, Inc.
    Inventor: Jaswinder Jandu