Patents by Inventor Roland Karle

Roland Karle 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: 11515870
    Abstract: A system includes an output terminal and a linear switch circuit coupled to the output terminal. The linear switch circuit includes a first power field-effect transistor (FET) having: a first channel width; a control terminal; a first current terminal; and a second current terminal, wherein the second current terminal is coupled to the output terminal. The linear switch circuit also includes a second power FET having: a second channel width smaller than the first channel width; a control terminal; a first current terminal coupled to the first current terminal of the first power FET; and a second current terminal coupled to the output terminal. The system also comprises a control circuit coupled to the control terminal of the first power FET and to the control terminal of the second power FET. The control circuit detects a drain-to-source voltage (VDS) saturation condition and controls the first and second power FETs accordingly.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: November 29, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Roland Karl Son, Craig Bennett Greenberg, Indumini Ramuthu
  • Publication number: 20210242866
    Abstract: A system includes an output terminal and a linear switch circuit coupled to the output terminal. The linear switch circuit includes a first power field-effect transistor (FET) having: a first channel width; a control terminal; a first current terminal; and a second current terminal, wherein the second current terminal is coupled to the output terminal. The linear switch circuit also includes a second power FET having: a second channel width smaller than the first channel width; a control terminal; a first current terminal coupled to the first current terminal of the first power FET; and a second current terminal coupled to the output terminal. The system also comprises a control circuit coupled to the control terminal of the first power FET and to the control terminal of the second power FET. The control circuit detects a drain-to-source voltage (VDS) saturation condition and controls the first and second power FETs accordingly.
    Type: Application
    Filed: April 19, 2021
    Publication date: August 5, 2021
    Inventors: Roland Karl Son, Craig Bennett Greenberg, Indumini Ramuthu
  • Patent number: 11018663
    Abstract: A system includes an output terminal and a linear switch circuit coupled to the output terminal. The linear switch circuit includes a first power field-effect transistor (FET) having: a first channel width; a control terminal; a first current terminal; and a second current terminal, wherein the second current terminal is coupled to the output terminal. The linear switch circuit also includes a second power FET having: a second channel width smaller than the first channel width; a control terminal; a first current terminal coupled to the first current terminal of the first power FET; and a second current terminal coupled to the output terminal. The system also comprises a control circuit coupled to the control terminal of the first power FET and to the control terminal of the second power FET. The control circuit detects a drain-to-source voltage (VDS) saturation condition and controls the first and second power FETs accordingly.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: May 25, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Roland Karl Son, Craig Bennett Greenberg, Indumini Ranmuthu
  • Patent number: 10979037
    Abstract: In described examples, a power interface subsystem includes power transistors, each having: a conduction path coupled between a battery terminal and an accessory terminal; and a control terminal. A differential amplifier has: a first input coupled to the battery terminal; a second input coupled to the accessory terminal; and an output node. An offset voltage source is coupled to cause an offset of a selected polarity at one of the inputs to the differential amplifier. The offset has a first polarity in a first operating mode and a second polarity in a second operating mode. Gate control circuitry is coupled to apply a control level at the control terminal(s) of selected one(s) of the power transistors responsive to a voltage at the output node, and to apply an off-state control level to the control terminal(s) of unselected one(s) of the power transistors.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: April 13, 2021
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Sujan Kundapur Manohar, Roland Karl Son, Juergen Luebbe, Eddie W. Yu
  • Publication number: 20210091764
    Abstract: A system includes an output terminal and a linear switch circuit coupled to the output terminal. The linear switch circuit includes a first power field-effect transistor (FET) having: a first channel width; a control terminal; a first current terminal; and a second current terminal, wherein the second current terminal is coupled to the output terminal. The linear switch circuit also includes a second power FET having: a second channel width smaller than the first channel width; a control terminal; a first current terminal coupled to the first current terminal of the first power FET; and a second current terminal coupled to the output terminal. The system also comprises a control circuit coupled to the control terminal of the first power FET and to the control terminal of the second power FET. The control circuit detects a drain-to-source voltage (VDS) saturation condition and controls the first and second power FETs accordingly.
    Type: Application
    Filed: August 3, 2020
    Publication date: March 25, 2021
    Inventors: Roland Karl SON, Craig Bennett GREENBERG, Indumini RANMUTHU
  • Patent number: 10227777
    Abstract: The present invention relates to a method of producing a concrete component (15), to a prefabricated structural element (3), which serves as a semi-finished product for the production of the concrete component (15) made in this way, and to a corresponding concrete component (15). The method claimed involves the following steps: producing a prefabricated structural element (3) comprising first reinforcement structures (18), which feature textile reinforcement structures, and first thermal insulation elements (6), pouring concrete into a shell mold (13) to form a first concrete layer (11), lowering the prefabricated structural element (3) onto the first concrete layer (11).
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: March 12, 2019
    Assignee: Groz-Beckert KG
    Inventors: Roland Karle, Hans Kromer, Johann Pfaff
  • Publication number: 20190058463
    Abstract: In described examples, a power interface subsystem includes power transistors, each having: a conduction path coupled between a battery terminal and an accessory terminal; and a control terminal. A differential amplifier has: a first input coupled to the battery terminal; a second input coupled to the accessory terminal; and an output node. An offset voltage source is coupled to cause an offset of a selected polarity at one of the inputs to the differential amplifier. The offset has a first polarity in a first operating mode and a second polarity in a second operating mode. Gate control circuitry is coupled to apply a control level at the control terminal(s) of selected one(s) of the power transistors responsive to a voltage at the output node, and to apply an off-state control level to the control terminal(s) of unselected one(s) of the power transistors.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Sujan Kundapur Manohar, Roland Karl Son, Juergen Luebbe, Eddie W. Yu
  • Patent number: 10116291
    Abstract: In described examples, a power interface subsystem includes power transistors, each having: a conduction path coupled between a battery terminal and an accessory terminal; and a control terminal. A differential amplifier has: a first input coupled to the battery terminal; a second input coupled to the accessory terminal; and an output node. An offset voltage source is coupled to cause an offset of a selected polarity at one of the inputs to the differential amplifier. The offset has a first polarity in a first operating mode and a second polarity in a second operating mode. Gate control circuitry is coupled to apply a control level at the control terminal(s) of selected one(s) of the power transistors responsive to a voltage at the output node, and to apply an off-state control level to the control terminal(s) of unselected one(s) of the power transistors.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: October 30, 2018
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Sujan Kundapur Manohar, Roland Karl Son, Juergen Luebbe, Eddie W. Yu
  • Patent number: 9831852
    Abstract: In described examples, a transistor has: a source and a drain coupled between a supply voltage and an output terminal; and a gate terminal. A charge pump has: an output node coupled to the gate terminal; and a clock input. An oscillator is coupled to generate a clock signal. A clock enable circuit is coupled to: receive the clock signal; and selectively output the clock signal to the clock input, responsive to an enable signal. A comparator is coupled to output the enable signal in response to a comparison between a reference current and a current through a series resistor. The series resistor is coupled to the gate terminal.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: November 28, 2017
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Emmanuel Osei Boakye, Roland Karl Son, Juergen Luebbe
  • Publication number: 20170334162
    Abstract: A prefabricated concrete element (10) having a textile reinforcement (17) comprising fastening elements (12, 13, 14, 15), which are connected directly to the reinforcement (17). The fastening elements (12 to 15) can have a bent form and pass through a flat side of the prefabricated concrete element (10). The fastening elements can also have a straight or elongated form and emerge on narrow sides of a plate-shaped prefabricated concrete element (I 0). Because of the direct connection between the fastening element (12 to 15) and the reinforcement (17), the prefabricated concrete element can have an especially extensive and thin form and thus can be used as a façade panel.
    Type: Application
    Filed: May 1, 2017
    Publication date: November 23, 2017
    Inventors: Roland Karle, Johann Pfaff, Hans Kromer
  • Patent number: 9663950
    Abstract: A concrete component includes a fiber reinforcement structure (12), formed by a grid arrangement (15). At least some of the rods extending in the X or Y direction are preferably designed as double rods having a joined cross-section or having sub-cross-sections separated from each other by a gap (20). Such double rods can be arranged in a grid structure both at right angles to each other and at other angles to provide a triangular structure, a hexagonal structure, or the like as a grid. Fiber reinforcement structures (12) made of a plastic-impregnated fiber material, such as epoxy-resin-bonded glass fibers having long fibers (endless fibers), in the particular rod longitudinal direction and without bonding among each other (ravings) can construct an adequately load-bearing composite with the concrete body (II). The steel rods can act as reinforcement, wherein harmful effects on the concrete, in particular wedge and gap effects, do not occur.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: May 30, 2017
    Assignee: GROZ-BECKERT KG
    Inventors: Roland Karle, Hans Kromer, Johann Pfaff
  • Patent number: 9636886
    Abstract: A prefabricated concrete element (10) having a textile reinforcement (17) comprising fastening elements (12, 13, 14, 15), which are connected directly to the reinforcement (17). The fastening elements (12 to 15) can have a bent form and pass through a flat side of the prefabricated concrete element (10). The fastening elements can also have a straight or elongated form and emerge on narrow sides of a plate-shaped prefabricated concrete element (I 0). Because of the direct connection between the fastening element (12 to 15) and the reinforcement (17), the prefabricated concrete element can have an especially extensive and thin form and thus can be used as a façade panel.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: May 2, 2017
    Assignee: GROZ-BECKERT KG
    Inventors: Roland Karle, Johann Pfaff, Hans Kromer
  • Publication number: 20170063369
    Abstract: In described examples, a transistor has: a source and a drain coupled between a supply voltage and an output terminal; and a gate terminal. A charge pump has: an output node coupled to the gate terminal; and a clock input. An oscillator is coupled to generate a clock signal. A clock enable circuit is coupled to: receive the clock signal; and selectively output the clock signal to the clock input, responsive to an enable signal. A comparator is coupled to output the enable signal in response to a comparison between a reference current and a current through a series resistor. The series resistor is coupled to the gate terminal.
    Type: Application
    Filed: August 23, 2016
    Publication date: March 2, 2017
    Inventors: Emmanuel Osei Boakye, Roland Karl Son, Juergen Luebbe
  • Publication number: 20170047731
    Abstract: In described examples, a power interface subsystem includes power transistors, each having: a conduction path coupled between a battery terminal and an accessory terminal; and a control terminal. A differential amplifier has: a first input coupled to the battery terminal; a second input coupled to the accessory terminal; and an output node. An offset voltage source is coupled to cause an offset of a selected polarity at one of the inputs to the differential amplifier. The offset has a first polarity in a first operating mode and a second polarity in a second operating mode. Gate control circuitry is coupled to apply a control level at the control terminal(s) of selected one(s) of the power transistors responsive to a voltage at the output node, and to apply an off-state control level to the control terminal(s) of unselected one(s) of the power transistors.
    Type: Application
    Filed: August 9, 2016
    Publication date: February 16, 2017
    Inventors: Sujan Kundapur Manohar, Roland Karl Son, Juergen Luebbe, Eddie W. Yu
  • Patent number: 9388577
    Abstract: A structural element (10) for use as a ceiling element or wall element. The structural element (10) has a facing shell (11) and a relatively thicker supporting shell (12). The facing shell (11) has a first concrete layer (14) with a textile reinforcement (15) arranged therein. The supporting shell (12) has a second concrete layer (16) and a supporting shell reinforcement (17) in the form of a box-grid structure from interconnected structural steel elements (18, 19, 20). The facing shell (11) is connected to the supporting shell (12) by a plurality of metal-free connecting bodies (24) in the form of a three-dimensional a textile grid structure (25). The textile grid structure can be produced as a woven fabric, a plait, a nonwoven fabric or a knit from carbon fibers and/or glass fiber threads that have a coating to produce the three-dimensional structure. Each connecting body (24) extends in at least two spatial planes.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 12, 2016
    Assignee: Groz-Beckert KG
    Inventors: Hans Kromer, Roland Karle, Hans Pfaff
  • Publication number: 20160130812
    Abstract: The present invention relates to a method of producing a concrete component (15), to a prefabricated structural element (3), which serves as a semi-finished product for the production of the concrete component (15) made in this way, and to a corresponding concrete component (15). The method claimed involves the following steps: producing a prefabricated structural element (3) comprising first reinforcement structures (18), which feature textile reinforcement structures, and first thermal insulation elements (6), pouring concrete into a shell mould (13) to form a first concrete layer (11), lowering the prefabricated structural element (3) onto the first concrete layer (11).
    Type: Application
    Filed: June 25, 2014
    Publication date: May 12, 2016
    Inventors: Roland Karle, Hans Kromer, Johann Pfaff
  • Publication number: 20150345140
    Abstract: A prefabricated concrete element (10) having a textile reinforcement (17) comprising fastening elements (12, 13, 14, 15), which are connected directly to the reinforcement (17). The fastening elements (12 to 15) can have a bent form and pass through a flat side of the prefabricated concrete element (10). The fastening elements can also have a straight or elongated form and emerge on narrow sides of a plate-shaped prefabricated concrete element (I 0). Because of the direct connection between the fastening element (12 to 15) and the reinforcement (17), the prefabricated concrete element can have an especially extensive and thin form and thus can be used as a façade panel.
    Type: Application
    Filed: January 2, 2014
    Publication date: December 3, 2015
    Inventors: Roland Karle, Johann Pfaff, Hans Kromer
  • Publication number: 20150132533
    Abstract: A concrete component includes a fiber reinforcement structure (12), formed by a grid arrangement (15). At least some of the rods extending in the X or Y direction are preferably designed as double rods having a joined cross-section or having sub-cross-sections separated from each other by a gap (20). Such double rods can be arranged in a grid structure both at right angles to each other and at other angles to provide a triangular structure, a hexagonal structure, or the like as a grid. Fiber reinforcement structures (12) made of a plastic-impregnated fiber material, such as epoxy-resin-bonded glass fibers having long fibers (endless fibers), in the particular rod longitudinal direction and without bonding among each other (ravings) can construct an adequately load-bearing composite with the concrete body (II). The steel rods can act as reinforcement, wherein harmful effects on the concrete, in particular wedge and gap effects, do not occur.
    Type: Application
    Filed: May 7, 2013
    Publication date: May 14, 2015
    Inventors: Roland Karle, Hans Kromer, Johann Pfaff
  • Publication number: 20150033655
    Abstract: A structural element (10) for use as a ceiling element or wall element. The structural element (10) has a facing shell (11) and a relatively thicker supporting shell (12). The facing shell (11) has a first concrete layer (14) with a textile reinforcement (15) arranged therein. The supporting shell (12) has a second concrete layer (16) and a supporting shell reinforcement (17) in the form of a box-grid structure from interconnected structural steel elements (18, 19, 20). The facing shell (11) is connected to the supporting shell (12) by a plurality of metal-free connecting bodies (24)in the form of a three-dimensional a textile grid structure (25). The textile grid structure can be produced as a woven fabric, a plait, a nonwoven fabric or a knit from carbon fibres and/or glass fibre threads that have a coating to produce the three-dimensional structure. Each connecting body (24) extends in at least two spatial planes.
    Type: Application
    Filed: December 12, 2012
    Publication date: February 5, 2015
    Inventors: Hans Kromer, Roland Karle, Hans Pfaff
  • Patent number: 3935065
    Abstract: Apparatus and process are provided for the conservation of living organs by using a cooled perfusing means enriched with a respiratory gas in a thermally insulated receptacle with a pumping device driven by a gas and which regulates the perfusing medium according the flow-resistance in the organ.
    Type: Grant
    Filed: August 29, 1973
    Date of Patent: January 27, 1976
    Inventor: Roland Karl Doerig