Patents by Inventor Philippe Guillemain

Philippe Guillemain 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).

  • Method for simulation and digital synthesis of an oscillating phenomenon
    Patent number: 7534953
    Abstract: A method for digital simulation of a non-linear interaction between an excitation source and a wave in a resonator, and is particularly applicable, to real-time synthesis of digital signals representing an oscillating phenomenon such as the sound produced by a musical instrument. The invention is characterized in that it consists in calculating the digital signals from equations whereof the solution corresponds to the physical representation of the phenomenon to be simulated which is expressed, each time and in each point of the resonator, by a relationship of impedance or of admittance between two variables representing the effect and the cause of the phenomenon and in directly transcribing the equation of the impedance or of the admittance in the form of a linear filter including delays, so as to produce a non-linear interaction between the two variables of the impedance or admittance relationship.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: May 19, 2009
    Assignee: Centre National de la Recherche Scientifique
    Inventors: Jean Kergomard, Philippe Guillemain, Thierry Voinier
  • Method for simulation and digital synthesis of an oscillating phenomenon
    Publication number: 20060065108
    Abstract: A method for digital simulation of a non-linear interaction between an excitation source and a wave in a resonator, and is particularly applicable, to real-time synthesis of digital signals representing an oscillating phenomenon such as the sound produced by a musical instrument. The invention is characterized in that it consists in calculating the digital signals from equations whereof the solution corresponds to the physical representation of the phenomenon to be simulated which is expressed, each time and in each point of the resonator, by a relationship of impedance or of admittance between two variables representing the effect and the cause of the phenomenon and in directly transcribing the equation of the impedance or of the admittance in the form of a linear filter including delays, so as to produce a non-linear interaction between the two variables of the impedance or admittance relationship.
    Type: Application
    Filed: October 31, 2003
    Publication date: March 30, 2006
    Inventors: Jean Kergomard, Philippe Guillemain, Thierry Voinier