Patents by Inventor Jeremy Malaize

Jeremy Malaize 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).

  • Apparatus and method for estimation of initial phase of a brushless motor
    Patent number: 7376525
    Abstract: An apparatus comprises a brushless motor, driver, incremental displacement sensor, and processor. The motor has a rotor, stator, and electrical terminals accepting a drive signal. The initial phase of the rotor is unknown. The driver is connected to the electrical terminals and produces the drive signal. The displacement sensor is configured to measure a displacement of the rotor and to produce an output signal. The processor has an input receiving the output signal and an output connected to the driver. The processor causes the driver to produce the drive signal according to a predetermined function of time, observes the output signal from the displacement sensor resulting from the drive signal, and performs mathematical computations on the basis of the observed output signal and a model of dynamic behavior of the motor to estimate the initial phase of the rotor.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: May 20, 2008
    Assignee: Newport Corporation
    Inventors: Roger Desailly, Jeremy Malaize, Jean Levine, Daniel Gvero, Franck Duquenoy
  • Apparatus and method for estimation of intial phase of a brushless motor
    Publication number: 20070032970
    Abstract: An apparatus comprises a brushless motor, driver, incremental displacement sensor, and processor. The motor has a rotor, stator, and electrical terminals accepting a drive signal. The initial phase of the rotor is unknown. The driver is connected to the electrical terminals and produces the drive signal. The displacement sensor is configured to measure a displacement of the rotor and to produce an output signal. The processor has an input receiving the output signal and an output connected to the driver. The processor causes the driver to produce the drive signal according to a predetermined function of time, observes the output signal from the displacement sensor resulting from the drive signal, and performs mathematical computations on the basis of the observed output signal and a model of dynamic behavior of the motor to estimate the initial phase of the rotor.
    Type: Application
    Filed: May 9, 2006
    Publication date: February 8, 2007
    Applicant: Newport Corporation
    Inventors: Roger Desailly, Jeremy Malaize, Jean Levine, Daniel Gvero, Franck Duquenoy