Patents by Inventor Jay N. Teixeira

Jay N. Teixeira 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).

  • Audio system with synthesized positive impedance
    Patent number: 9049501
    Abstract: An electrical apparatus to sense current through a load includes a first input terminal having a first input voltage relative to a reference, a second input terminal having a second input voltage relative to the reference, a first load terminal of the load having a first load voltage relative to the reference, a second load terminal of the load having a second load voltage relative to the reference, a first current sensing element connected between the first input terminal and the first load terminal and a second current sensing element connected between the second input terminal and the second load terminal. A first sense voltage is determined by a relationship between the first input voltage and the second load voltage and a second sense voltage is determined by a relationship between the second input voltage and the first load voltage.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: June 2, 2015
    Assignee: Bose Corporation
    Inventors: Kenneth B. Delpapa, Michael B. Nussbaum, Jay N. Teixeira, George Nichols, Thomas A. Froeschle
  • AUDIO SYSTEM WITH SYNTHESIZED POSITIVE IMPEDANCE
    Publication number: 20130182859
    Abstract: An electrical apparatus to sense current through a load includes a first input terminal having a first input voltage relative to a reference, a second input terminal having a second input voltage relative to the reference, a first load terminal of the load having a first load voltage relative to the reference, a second load terminal of the load having a second load voltage relative to the reference, a first current sensing element connected between the first input terminal and the first load terminal and a second current sensing element connected between the second input terminal and the second load terminal. A first sense voltage is determined by a relationship between the first input voltage and the second load voltage and a second sense voltage is determined by a relationship between the second input voltage and the first load voltage.
    Type: Application
    Filed: July 17, 2012
    Publication date: July 18, 2013
    Inventors: Kenneth B. DelPapa, Michael Nussbaum, Jay N. Teixeira, George Nichols, Thomas A. Froeschle
  • Audio system with synthesized positive impedance
    Patent number: 8224009
    Abstract: An audio system including an audio power amplifier, a transducer electrically connected to the audio power amplifier, an enclosure coupled to the transducer, and a secondary resonant element coupled to the enclosure. An electrical feedback signal representative of the transducer current is negatively fed back to the audio power amplifier to synthesize a positive output impedance.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: July 17, 2012
    Assignee: Bose Corporation
    Inventors: Kenneth B. Delpapa, Michael B. Nussbaum, Jay N. Teixeira, George Nichols, Thomas A. Froeschle
  • AUDIO SYSTEM WITH SYNTHESIZED POSITIVE IMPEDANCE
    Publication number: 20080212818
    Abstract: An audio system including an audio power amplifier, a transducer electrically connected to the audio power amplifier, an enclosure coupled to the transducer, and a secondary resonant element coupled to the enclosure. An electrical feedback signal representative of the transducer current is negatively fed back to the audio power amplifier to synthesize a positive output impedance.
    Type: Application
    Filed: March 2, 2007
    Publication date: September 4, 2008
    Inventors: Kenneth B. DelPapa, Michael B. Nussbaum, Jay N. Teixeira, George Nichols, Thomas A. Froeschle