Patents by Inventor Benedict Choy

Benedict Choy 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).

  • Capacitive parametric zero crossing detector device, circuit and method
    Patent number: 9577623
    Abstract: A capacitive parametric zero crossing detection circuit has a nonlinear voltage controlled capacitive device coupled to an input voltage to convert a zero crossing current pulse into zero crossing voltage signal.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: February 21, 2017
    Assignee: Microchip Technology Inc.
    Inventors: Ching Chu, Benedict Choy, Andy Tu
  • Ultrasound capacitive T/R switch device, circuit
    Patent number: 9568597
    Abstract: An ultrasound image system has a plurality of channels. At least one of the plurality of channels has a capacitive T/R switch.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: February 14, 2017
    Assignee: Microchip Technology Inc.
    Inventors: Benedict Choy, Ching Chu, Andy Tu
  • SEQUENTIAL LINEAR LED DRIVER UTILIZING HEADROOM CONTROL
    Publication number: 20150382409
    Abstract: A sequential linear light emitting diode (LED) driver utilizing a headroom control technique is disclosed.
    Type: Application
    Filed: June 23, 2015
    Publication date: December 31, 2015
    Inventors: Scott Lynch, Benedict Choy