Patents by Inventor Theis Christiansen

Theis Christiansen 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).

  • Loudspeaker protection against excessive excursion
    Patent number: 9967663
    Abstract: Systems and methods for loudspeaker protection against excessive excursion are described. In an illustrative, non limiting embodiment, a method may include splitting an input signal into two or more signals, each of the two or more signals within a given frequency band; independently selecting between a power attenuation or an excursion attenuation for each of the two or more signals; independently applying the selected power attenuation or excursion attenuation to each of the two or more signals; combining the attenuated two or more signals into an output signal; and providing the output signal to a loudspeaker.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: May 8, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Anker Bjoern-Josefsen, Lars Risbo, Theis Christiansen
  • LOUDSPEAKER PROTECTION AGAINST EXCESSIVE EXCURSION
    Publication number: 20160192070
    Abstract: Systems and methods for loudspeaker protection against excessive excursion are described. In an illustrative, non limiting embodiment, a method may include splitting an input signal into two or more signals, each of the two or more signals within a given frequency band; independently selecting between a power attenuation or an excursion attenuation for each of the two or more signals; independently applying the selected power attenuation or excursion attenuation to each of the two or more signals; combining the attenuated two or more signals into an output signal; and providing the output signal to a loudspeaker.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 30, 2016
    Applicant: Texas Instruments Incorporated
    Inventors: Anker Bjoern-Josefsen, Lars Risbo, Theis Christiansen