Patents by Inventor Marco Grassi

Marco Grassi 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: 20230373282
    Abstract: Systems and methods are provided for dual electric motor driveline control. In one example, an assembly comprises: a first electric motor directly coupled to a first output shaft, a second electric motor coaxially aligned with the first electric motor, a planetary gear set having a carrier connected to the first output shaft and the first electric motor, a ring gear connected to ground, and a sun gear connected to a second shaft, a first clutch for selectively coupling the second electric motor to the first electric motor via the carrier, and a second clutch for selectively coupling the second electric motor to the second shaft.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 23, 2023
    Inventors: Piergiorgio TRINCHIERI, Marco GRASSI, Lorenzo SERRAO
  • Patent number: 10516942
    Abstract: An electronic circuit for a microphone and a microphone are disclosed. In an embodiment, the electronic circuit includes a sigma-delta modulator having a configurable resolution and a mode selector, wherein the sigma-delta modulator is selectively operable in at least two operation modes and the mode selector is configured to determine a desired operation mode dependent on an externally provided control signal and to select the resolution of the sigma-delta modulator according to the determined operation mode.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: December 24, 2019
    Assignee: TDK CORPORATION
    Inventors: Gino Rocca, Daifi Haoues Sassene, Fabrizio Conso, Marco De Blasi, Marco Grassi, Piero Malcovati, Andrea Baschirotto
  • Publication number: 20190082258
    Abstract: An electronic circuit for a microphone and a microphone are disclosed. In an embodiment, the electronic circuit includes a sigma-delta modulator having a configurable resolution and a mode selector, wherein the sigma-delta modulator is selectively operable in at least two operation modes and the mode selector is configured to determine a desired operation mode dependent on an externally provided control signal and to select the resolution of the sigma-delta modulator according to the determined operation mode.
    Type: Application
    Filed: October 9, 2015
    Publication date: March 14, 2019
    Inventors: Gino Rocca, Daifi Haoues Sassene, Fabrizio Conso, Marco De Blasi, Marco Grassi, Piero Malcovati, Andrea Baschirotto
  • Patent number: 10126565
    Abstract: An eyeglass including a first prismatic lens (2), a second prismatic lens (3) and a frame (4) configured to house the first and the second prismatic lenses (2; 3). The first and the second prismatic lenses (2; 3) are low base yoked prisms having a dioptric power, measured in prism diopters, the same for the two lenses and less than 0.25. The first and the second prismatic lenses (2; 3) are oriented in the same direction.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: November 13, 2018
    Assignee: Family Vision Center—VTE S.R.L.
    Inventor: Marco Grassi
  • Patent number: 9893632
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: February 13, 2018
    Assignee: Advanced Charging Technologies, LLC
    Inventors: Michael H. Freeman, W. J. “Jim” Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Patent number: 9780674
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: October 3, 2017
    Assignee: Advanced Charging Technologies, LLC
    Inventors: Michael H. Freeman, W. J. “Jim” Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Patent number: 9762132
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a forward converter coupled to the input and output terminals. The forward converter includes a transformer, and a primary side regulation circuit coupled to a primary side of the transformer. The primary side regulation circuit includes a switching device coupled to the primary side, a current sense circuit configured to sense a current level on the primary side, and a controller configured to generate a pulse-width modulated control signal delivered to the switching device as a function of the sensed current level to regulate the transformer to deliver the output power signal at a desired voltage level.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: September 12, 2017
    Assignee: Advanced Charging Technologies, LLC
    Inventors: Michael H. Freeman, W. J. “Jim” Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Patent number: 9748852
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a plurality of voltage reduction circuit cells coupled between the input terminal and the output terminal. Each of the voltage reduction circuit cells includes a pair of flyback capacitors, a switching circuit, and a hold capacitor. The switching device is configured to operate the corresponding voltage reduction circuit cell at a charging phase and at a discharging phase. The plurality of voltage reduction circuit cells are configured to deliver the output power signal having a voltage level that is less than the voltage level of the input power signal.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: August 29, 2017
    Assignee: Advanced Charging Technologies, LLC
    Inventors: Michael H. Freeman, W. J. Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Patent number: 9673717
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a plurality of voltage reduction circuit cells coupled between the input terminal and the output terminal. Each of the voltage reduction circuit cells includes a pair of flyback capacitors, a switching circuit, and a hold capacitor. The switching device is configured to operate the corresponding voltage reduction circuit cell at a charging phase and at a discharging phase. The plurality of voltage reduction circuit cells are configured to deliver the output power signal having a voltage level that is less than the voltage level of the input power signal.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: June 6, 2017
    Assignee: ADVANCED CHARGING TECHNOLOGIES, LLC
    Inventors: Michael H. Freeman, W. J. “Jim” Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Patent number: 9602016
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a forward converter coupled to the input and output terminals. The forward converter includes a transformer, and a primary side regulation circuit coupled to a primary side of the transformer. The primary side regulation circuit includes a switching device coupled to the primary side, a current sense circuit configured to sense a current level on the primary side, and a controller configured to generate a pulse-width modulated control signal delivered to the switching device as a function of the sensed current level to regulate the transformer to deliver the output power signal at a desired voltage level.
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: March 21, 2017
    Assignee: ADVANCED CHARGING TECHNOLOGIES, LLC
    Inventors: Michael H. Freeman, W. J. Weaver, Jr., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160349533
    Abstract: An eyeglass including a first prismatic lens (2), a second prismatic lens (3) and a frame (4) configured to house the first and the second prismatic lenses (2; 3). The first and the second prismatic lenses (2; 3) are low base yoked prisms having a dioptric power, measured in prism diopters, the same for the two lenses and less than 0.25. The first and the second prismatic lenses (2; 3) are oriented in the same direction.
    Type: Application
    Filed: January 26, 2015
    Publication date: December 1, 2016
    Inventor: Marco GRASSI
  • Publication number: 20160134198
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a plurality of voltage reduction circuit cells coupled between the input terminal and the output terminal. Each of the voltage reduction circuit cells includes a pair of flyback capacitors, a switching circuit, and a hold capacitor. The switching device is configured to operate the corresponding voltage reduction circuit cell at a charging phase and at a discharging phase. The plurality of voltage reduction circuit cells are configured to deliver the output power signal having a voltage level that is less than the voltage level of the input power signal.
    Type: Application
    Filed: January 15, 2016
    Publication date: May 12, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160126852
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a forward converter coupled to the input and output terminals. The forward converter includes a transformer, and a primary side regulation circuit coupled to a primary side of the transformer. The primary side regulation circuit includes a switching device coupled to the primary side, a current sense circuit configured to sense a current level on the primary side, and a controller configured to generate a pulse-width modulated control signal delivered to the switching device as a function of the sensed current level to regulate the transformer to deliver the output power signal at a desired voltage level.
    Type: Application
    Filed: January 15, 2016
    Publication date: May 5, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160126851
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level.
    Type: Application
    Filed: January 15, 2016
    Publication date: May 5, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz E. Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160116925
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes a voltage reduction circuit cell that includes a first capacitor, a second capacitor, a switching circuit, and a hold capacitor. The switching circuit includes a plurality of switching devices that are coupled to the first and the second capacitors for delivering power from an input terminal to an output terminal. The plurality of switching devices includes at least two switching devices that are coupled to ground. The voltage reduction circuit cell also includes a controller for operating the switching circuit in a plurality of operational modes to deliver an output power signal at a desired voltage level.
    Type: Application
    Filed: October 28, 2015
    Publication date: April 28, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160118906
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a forward converter coupled to the input and output terminals. The forward converter includes a transformer, and a primary side regulation circuit coupled to a primary side of the transformer. The primary side regulation circuit includes a switching device coupled to the primary side, a current sense circuit configured to sense a current level on the primary side, and a controller configured to generate a pulse-width modulated control signal delivered to the switching device as a function of the sensed current level to regulate the transformer to deliver the output power signal at a desired voltage level.
    Type: Application
    Filed: October 28, 2015
    Publication date: April 28, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman
  • Publication number: 20160118905
    Abstract: An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and telecom circuit boards, is described herein. The electrical circuit includes an input terminal configured to receive an input power signal, an output terminal configured to provide an output power signal, and a plurality of voltage reduction circuit cells coupled between the input terminal and the output terminal. Each of the voltage reduction circuit cells includes a pair of flyback capacitors, a switching circuit, and a hold capacitor. The switching device is configured to operate the corresponding voltage reduction circuit cell at a charging phase and at a discharging phase. The plurality of voltage reduction circuit cells are configured to deliver the output power signal having a voltage level that is less than the voltage level of the input power signal.
    Type: Application
    Filed: October 28, 2015
    Publication date: April 28, 2016
    Inventors: Michael H. Freeman, W.J. "Jim" Weaver, JR., Mitchael C. Freeman, Robert Dieter, Andrea Baschirotto, Piero Malcovati, Marco Grassi, Glenn Noufer, Randall L. Sandusky, Neaz Farooqi, Jim Devoy, Silvia Jaeckel, Madison Hayes Yarbro Freeman