Patents by Inventor Joseph Schulz

Joseph Schulz 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).

  • Patent number: 11955899
    Abstract: Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter are described herein. A buffer circuit coupled in parallel with or across a resonant component (e.g., a transformer) input port avails a buffered primary port signal for use in resonant conversion. The buffered primary port signal is a comprehensive signal including information relating to both input voltage and input power; and it may be used to advantageously enhance switching and power conversion in an inductor-inductor capacitor (LLC) converter. Additionally, the LLC converter uses a sense interface circuit to provide a scaled replica of the buffered primary port signal. In one example the scaled replica can advantageously be used with a secondary side controller to control output power based on the comprehensive information contained within the buffered primary port signal.
    Type: Grant
    Filed: November 3, 2022
    Date of Patent: April 9, 2024
    Assignee: POWER INTEGRATIONS, INC.
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz, Roger Colbeck
  • Publication number: 20240084178
    Abstract: Two part cyanoacrylate/free radical curable adhesive systems are provided.
    Type: Application
    Filed: October 30, 2023
    Publication date: March 14, 2024
    Inventors: Laxmisha M. Sridhar, Chetan Hire, Shabbir T. Attarwala, Joseph Schulz, Roger Grismala
  • Publication number: 20230208306
    Abstract: Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter are described herein. A buffer circuit coupled in parallel with or across a resonant component (e.g., a transformer) input port avails a buffered primary port signal for use in resonant conversion. The buffered primary port signal is a comprehensive signal including information relating to both input voltage and input power; and it may be used to advantageously enhance switching and power conversion in an inductor-inductor capacitor (LLC) converter. Additionally, the LLC converter uses a sense interface circuit to provide a scaled replica of the buffered primary port signal. In one example the scaled replica can advantageously be used with a secondary side controller to control output power based on the comprehensive information contained within the buffered primary port signal.
    Type: Application
    Filed: November 3, 2022
    Publication date: June 29, 2023
    Applicant: Power Integrations, Inc.
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz, Roger Colbeck
  • Patent number: 11522464
    Abstract: Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter are described herein. A buffer circuit coupled in parallel with or across a resonant component (e.g., a transformer) input port avails a buffered primary port signal for use in resonant conversion. The buffered primary port signal is a comprehensive signal including information relating to both input voltage and input power; and it may be used to advantageously enhance switching and power conversion in an inductor-inductor capacitor (LLC) converter. Additionally, the LLC converter uses a sense interface circuit to provide a scaled replica of the buffered primary port signal. In one example the scaled replica can advantageously be used with a secondary side controller to control output power based on the comprehensive information contained within the buffered primary port signal.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: December 6, 2022
    Assignee: POWER INTEGRATIONS, INC.
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz, Roger Colbeck
  • Publication number: 20200336075
    Abstract: Apparatus and methods for sensing resonant circuit signals to enhance control in a resonant converter are described herein. A buffer circuit coupled in parallel with or across a resonant component (e.g., a transformer) input port avails a buffered primary port signal for use in resonant conversion. The buffered primary port signal is a comprehensive signal including information relating to both input voltage and input power; and it may be used to advantageously enhance switching and power conversion in an inductor-inductor capacitor (LLC) converter. Additionally, the LLC converter uses a sense interface circuit to provide a scaled replica of the buffered primary port signal. In one example the scaled replica can advantageously be used with a secondary side controller to control output power based on the comprehensive information contained within the buffered primary port signal.
    Type: Application
    Filed: July 7, 2020
    Publication date: October 22, 2020
    Applicant: POWER INTEGRATIONS, INC.
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz
  • Patent number: 10760214
    Abstract: A method of producing a paper product by forming a paper web on a paper machine, the web including a plurality of sections, analyzing the web, marking the web, winding the web to form a parent roll after the web has been inspected and marked, assigning an action score to each section of the web, at least one action score having an action value, unwinding a web from a parent roll, reading at least one of a plurality of marks with a mark reading unit, obtaining the action score associated with a second one of the marks, calculating a distance between a mark read by the reading unit and the second one of the marks, changing at least one operational parameter of a converting line based upon the action score of the second of the marks when the distance is less than a threshold, and converting the paper web.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: September 1, 2020
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Patent number: 10763756
    Abstract: A resonant converter includes a resonant transformer having a leakage inductance and a magnetizing inductance coupled in series to form a resonant transformer input port. The resonant transformer has an output that is coupled to provide an output power to a load. A primary bridge circuit is coupled to provide an input power to the resonant transformer input port. A buffer circuit is coupled in parallel with the resonant transformer input port. A control module is coupled to receive a buffered primary port signal from the buffer circuit to control the primary bridge circuit to control the output power to the load in response to the buffered primary port signal.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: September 1, 2020
    Assignee: Power Integrations, Inc.
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz, Roger Colbeck
  • Publication number: 20200195160
    Abstract: A resonant converter includes a resonant transformer having a leakage inductance and a magnetizing inductance coupled in series to form a resonant transformer input port. The resonant transformer has an output that is coupled to provide an output power to a load. A primary bridge circuit is coupled to provide an input power to the resonant transformer input port. A buffer circuit is coupled in parallel with the resonant transformer input port. A control module is coupled to receive a buffered primary port signal from the buffer circuit to control the primary bridge circuit to control the output power to the load in response to the buffered primary port signal.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 18, 2020
    Inventors: Robert J. Mayell, Hartley Fred Horwitz, Frank Joseph Schulz
  • Patent number: 10498300
    Abstract: An IC for power conversion includes bias circuitry that generates one or more bias voltages. An adaptive biasing circuit adaptively shifts an input signal having a negative value to a positive value. An operational transconductance amplifier (OTA) receives a supply bias current and the first and second bias voltages. The OTA has first and second input terminals coupled to the input signal and ground, respectively. The OTA has first and second transistors coupled to the first and second input terminals through first and second resistors at first and second internal nodes, respectively. Additional circuitry of the OTA is coupled to the second internal node. The additional circuitry insures that the voltage at the second internal node follows the voltage at the first internal node. The OTA generates an output current signal responsive to a differential input voltage applied across the first and second input terminals.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: December 3, 2019
    Assignee: Power Integrations, Inc.
    Inventor: Frank Joseph Schulz
  • Patent number: 10435840
    Abstract: A method of controlling a converting line that produces a paper product. The method includes unwinding a paper web from a parent roll on a converting line having a plurality of operational parameters. The paper web includes a plurality of sections and a plurality of marks, with at least one mark assigned to each of the plurality of sections and each mark associated with a paper rating. At least one of the plurality of marks is read with a mark reading unit. The paper rating associated with the at least one mark read by the reading unit is obtained. At least one operational parameter of the converting line based upon the obtained paper rating is changed. The paper web is converted into a paper product.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: October 8, 2019
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Patent number: 10435839
    Abstract: A paper web includes a surface having a plurality of sections. At least one section of the plurality of sections has a plurality of positions. The plurality of positions each has an equal length and is obtained by subdividing the at least one section. The paper web also includes ink applied to the surface of the paper web at some of the plurality of positions.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: October 8, 2019
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Patent number: 10214857
    Abstract: A method of controlling a paper product converting line. The method includes unwinding a paper web from a parent roll on a converting line, the converting line having a plurality of operational parameters, the paper web including a plurality of sections in a sequence, and a plurality of marks, each mark being associated with an action score, at least one action score having an action value, reading at least one of the marks, obtaining the action score associated with a second one of the marks, the second of the marks being a next mark with an action value after the one read mark, calculating a distance between the at least one read mark and the second one, changing at least one operational parameter of the converting line based upon the action score, and converting the paper web into a paper product.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: February 26, 2019
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Publication number: 20190024315
    Abstract: A method of producing a paper product by forming a paper web on a paper machine, the web including a plurality of sections, analyzing the web, marking the web, winding the web to form a parent roll after the web has been inspected and marked, assigning an action score to each section of the web, at least one action score having an action value, unwinding a web from a parent roll, reading at least one of a plurality of marks with a mark reading unit, obtaining the action score associated with a second one of the marks, calculating a distance between a mark read by the reading unit and the second one of the marks, changing at least one operational parameter of a converting line based upon the action score of the second of the marks when the distance is less than a threshold, and converting the paper web.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Publication number: 20190020323
    Abstract: An IC for power conversion includes bias circuitry that generates one or more bias voltages. An adaptive biasing circuit adaptively shifts an input signal having a negative value to a positive value. An operational transconductance amplifier (OTA) receives a supply bias current and the first and second bias voltages. The OTA has first and second input terminals coupled to the input signal and ground, respectively. The OTA has first and second transistors coupled to the first and second input terminals through first and second resistors at first and second internal nodes, respectively. Additional circuitry of the OTA is coupled to the second internal node. The additional circuitry insures that the voltage at the second internal node follows the voltage at the first internal node. The OTA generates an output current signal responsive to a differential input voltage applied across the first and second input terminals.
    Type: Application
    Filed: July 17, 2017
    Publication date: January 17, 2019
    Inventor: Frank Joseph Schulz
  • Patent number: 10119225
    Abstract: A system for producing a paper product. The system includes a paper machine, an analysis tool, and a converting line. The paper machine forms a paper web having a plurality of sections, inspects the paper web to identify web properties, and marks the paper web with a plurality of marks. The analysis tool assigns action scores to each section of the paper web based upon the identified properties that section of the paper web. The converting line reads at least one of the plurality of marks on the paper web, obtains the action score associated with a second one of the plurality of marks, calculates a distance between the at least one mark read by the reading unit and the second one of the plurality of marks, and changes at least one operational parameter of the converting line when the calculated distance is less than a threshold.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: November 6, 2018
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Publication number: 20180223477
    Abstract: A method of controlling a paper product converting line. The method includes unwinding a paper web from a parent roll on a converting line, the converting line having a plurality of operational parameters, the paper web including a plurality of sections in a sequence, and a plurality of marks, each mark being associated with an action score, at least one action score having an action value, reading at least one of the marks, obtaining the action score associated with a second one of the marks, the second of the marks being a next mark with an action value after the one read mark, calculating a distance between the at least one read mark and the second one, changing at least one operational parameter of the converting line based upon the action score, and converting the paper web into a paper product.
    Type: Application
    Filed: April 9, 2018
    Publication date: August 9, 2018
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Publication number: 20180187373
    Abstract: A method of controlling a converting line that produces a paper product. The method includes unwinding a paper web from a parent roll on a converting line having a plurality of operational parameters. The paper web includes a plurality of sections and a plurality of marks, with at least one mark assigned to each of the plurality of sections and each mark associated with a paper rating. At least one of the plurality of marks is read with a mark reading unit. The paper rating associated with the at least one mark read by the reading unit is obtained. At least one operational parameter of the converting line based upon the obtained paper rating is changed. The paper web is converted into a paper product.
    Type: Application
    Filed: February 28, 2018
    Publication date: July 5, 2018
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Patent number: 9963827
    Abstract: A converting line for producing a paper product. The converting line includes a paper web being unwound from a parent roll. The paper web has a plurality of sections with at least one mark, associated with an action score, assigned to each of the plurality of sections. The converting line also includes a mark reading unit, which reads one of the plurality of marks on the paper web. The converting line further includes a controller configured to obtain the action score associated with a second one of the plurality of marks; to calculate a distance between the one mark read by the reading unit and the second one of the plurality of marks; and to change at least one operational parameter of the converting line based upon the action score of the second one of the plurality of marks when the calculated distance is less than a threshold.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: May 8, 2018
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Patent number: 9951472
    Abstract: A converting line for producing a paper product. The converting line includes a paper web being unwound from a parent roll. The paper web has a plurality of sections with at least one mark having a paper rating assigned to each of the plurality of sections. The converting line also includes a mark reading unit that reads at least one of the plurality of marks on the paper web and produces a corresponding output. The converting line includes a controller that receives the output from the mark reading unit, and is configured: (i) to obtain the paper rating associated with the at least one mark read by the reading unit, and (ii) to change at least one operational parameter of the converting line based upon the paper rating. The converting line also includes a finisher. The paper web is fed to the finisher and converted into a paper product.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: April 24, 2018
    Assignee: GPCP IP Holdings LLC
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits
  • Publication number: 20180058007
    Abstract: A paper web includes a surface having a plurality of sections. At least one section of the plurality of sections has a plurality of positions. The plurality of positions each has an equal length and is obtained by subdividing the at least one section. The paper web also includes ink applied to the surface of the paper web at some of the plurality of positions.
    Type: Application
    Filed: October 25, 2017
    Publication date: March 1, 2018
    Inventors: Andrew G. Bomstad, Thomas J. Petersen, Joseph A. Schulz, Gregory T. Johnson, Mark F. Gerrits