Patents by Inventor Stephen Michael Cox

Stephen Michael Cox 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).

  • Publication number: 20090072902
    Abstract: An electronic class-D amplifier having an amplifier input to which an amplifier input signal may be applied, an amplifier output which may produce an amplifier output signal, an output switching stage, a pulse width modulator which includes an oscillator, wherein a first output of the oscillator produces a carrier reference signal, at least one servo-loop amplifier which includes an integrating feed forward transfer function, wherein the amplifier input is connected to an input of the servo-loop amplifier, a sample and hold element which includes a sample input and a control input, such that the sample and hold element samples a signal at the sample input when a sample command signal is applied to the control input, and the sample and hold element holds the value of the last sampled value of the signal at the sample input when the hold command signal is applied to the control input, and this said held value is applied to an output of the sample and hold element, the amplifier input is also connected to the sa
    Type: Application
    Filed: October 26, 2005
    Publication date: March 19, 2009
    Applicant: EXTRAORDINARY TECHNOLOGY PTY LTD
    Inventor: Stephen Michael Cox