Patents by Inventor Natalie Butz

Natalie Butz 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).

  • Charge balancing circuit, stimulator circuit and method for charge balancing
    Patent number: 11235147
    Abstract: A charge balancing circuit is adapted to be connected to an electrode and to a stimulation source. The charge balancing circuit has an electrode terminal for receiving an electrode voltage, an amplifier coupled to the electrode terminal and adapted to amplify and invert the electrode voltage for generating an intermediate voltage and a compensation stage. The compensation stage is adapted to generate an output current if the electrode voltage lies outside a specified safety range and to generate the output current depending on the intermediate voltage. The compensation stage is further adapted to supply the output current to the electrode terminal for driving the electrode voltage towards and/or into the safety range.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: February 1, 2022
    Assignee: ALBERT-LUDWIGS-UNIVERSITÄT FREIBURG
    Inventors: Natalie Butz, Matthias Kuhl, Yiannos Manoli
  • Charge Balancing Circuit, Stimulator Circuit and Method for Charge Balancing
    Publication number: 20190111249
    Abstract: A charge balancing circuit is adapted to be connected to an electrode and to a stimulation source. The charge balancing circuit has an electrode terminal for receiving an electrode voltage, an amplifier coupled to the electrode terminal and adapted to amplify and invert the electrode voltage for generating an intermediate voltage and a compensation stage. The compensation stage is adapted to generate an output current if the electrode voltage lies outside a specified safety range and to generate the output current depending on the intermediate voltage. The compensation stage is further adapted to supply the output current to the electrode terminal for driving the electrode voltage towards and/or into the safety range.
    Type: Application
    Filed: December 12, 2018
    Publication date: April 18, 2019
    Inventors: Natalie Butz, Matthias Kuhl, Yiannos Manoli
  • Charge balancing circuit, stimulator circuit and method for charge balancing
    Patent number: 10166399
    Abstract: A charge balancing circuit is adapted to be connected to an electrode and to a stimulation source. The charge balancing circuit has an electrode terminal for receiving an electrode voltage, an amplifier coupled to the electrode terminal and adapted to amplify and invert the electrode voltage for generating an intermediate voltage and a compensation stage. The compensation stage is adapted to generate an output current if the electrode voltage lies outside a specified safety range and to generate the output current depending on the intermediate voltage. The compensation stage is further adapted to supply the output current to the electrode terminal for driving the electrode voltage towards and/or into the safety range.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: January 1, 2019
    Assignee: Albert-Ludwigs-Universität Freiburg
    Inventors: Natalie Butz, Matthias Kuhl, Yiannos Manoli
  • Charge Balancing Circuit, Stimulator Circuit and Method for Charge Balancing
    Publication number: 20160354612
    Abstract: A charge balancing circuit is adapted to be connected to an electrode and to a stimulation source. The charge balancing circuit has an electrode terminal for receiving an electrode voltage, an amplifier coupled to the electrode terminal and adapted to amplify and invert the electrode voltage for generating an intermediate voltage and a compensation stage. The compensation stage is adapted to generate an output current if the electrode voltage lies outside a specified safety range and to generate the output current depending on the intermediate voltage. The compensation stage is further adapted to supply the output current to the electrode terminal for driving the electrode voltage towards and/or into the safety range.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 8, 2016
    Inventors: Natalie Butz, Matthias Kuhl, Yiannos Manoli