Patents by Inventor Brandon Beckham

Brandon Beckham 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).

  • Haptic actuator controller
    Patent number: 9274602
    Abstract: An apparatus and method for controlling a haptic actuator. A haptic actuator controller can includes driver input amplifier, an actuator feedback amplifier, an actuator driver, and a gain controller. The actuator driver is configured to drive a haptic actuator based on a difference of output of the input amplifier and output of the actuator feedback amplifier. The gain controller is configured to determine a boost interval for initiating motion of the haptic actuator, the boost interval based on a boost threshold back-electromotive-force (BEMF) voltage value exceeding a BEMF voltage generated by the haptic actuator. The gain controller is also configured to apply boost gains in the input amplifier and the feedback amplifier during the boost interval. The boost gains are higher than gains applied subsequent to the boost interval to maintain motion of the haptic actuator.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: March 1, 2016
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mayank Garg, David Hernandez, Brandon Beckham
  • HAPTIC ACTUATOR CONTROLLER
    Publication number: 20140118126
    Abstract: An apparatus and method for controlling a haptic actuator. A haptic actuator controller can includes driver input amplifier, an actuator feedback amplifier, an actuator driver, and a gain controller. The actuator driver is configured to drive a haptic actuator based on a difference of output of the input amplifier and output of the actuator feedback amplifier. The gain controller is configured to determine a boost interval for initiating motion of the haptic actuator, the boost interval based on a boost threshold back-electromotive-force (BEMF) voltage value exceeding a BEMF voltage generated by the haptic actuator. The gain controller is also configured to apply boost gains in the input amplifier and the feedback amplifier during the boost interval. The boost gains are higher than gains applied subsequent to the boost interval to maintain motion of the haptic actuator.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 1, 2014
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Mayank Garg, David Hernandez, Brandon Beckham