Patents by Inventor Gunnar Armbrecht
Gunnar Armbrecht 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).
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Publication number: 20170330651Abstract: A cable, such as a USB cable, having at least two pairs of strands, each of which is designed to transmit a differential data signal; in the longitudinal direction (L) of the cable, the at least two pairs of strands extend helically about a common braiding center.Type: ApplicationFiled: November 26, 2015Publication date: November 16, 2017Inventors: Stephan Kunz, Gunnar Armbrecht, Thomas Lödding
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Patent number: 9617966Abstract: A high frequency plasma ignition device for the ignition of a fuel/air mixture in a combustion chamber of an internal combustion engine, having a series resonant circuit of an electric inductor and an electric capacitor connected in series, and a high frequency generator with a first electrical terminal and a second electrical terminal for the resonant excitation of the series resonant circuit, a first electrical contact point being provided in which one end of the capacitor and one end of the inductor are connected to one another electrically. An electrical connecting device connects the high-frequency generator to the inductor and to the capacitor such that an output signal of the high-frequency generator is applied to the series resonant circuit. An electric voltage is applied across the capacitor for igniting a plasma between free ends of a first and second electrode. An electric voltage is further applied to maintain the plasma after ignition.Type: GrantFiled: April 23, 2013Date of Patent: April 11, 2017Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventors: Gunnar Armbrecht, Michael Wollitzer, Thomas Schmid
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Publication number: 20170040087Abstract: An arrangement of at least two adjacently extending cables, of which a first cable and a second cable which each have at least one stranding group that has two or more conductors stranded to each other and which each have a common cable sheath surrounding the stranding group, a spacer being provided outside on at least one of the cable sheaths for increasing a minimum distance (A) between the stranding groups of the two cables.Type: ApplicationFiled: April 9, 2015Publication date: February 9, 2017Inventors: Gunnar Armbrecht, Thomas Müller, Stephan Kunz
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Publication number: 20160336095Abstract: A cable arrangement of at least two cables which extend adjacently in a substantially parallel manner, a first cable and a second cable of which each having at least one stranding group which has two or more conductors that are twisted together. The length of lay of each of the stranding groups varies in the longitudinal direction of the individual cables. In addition, the length of lay of a stranding group winding of the stranding group of the first cable is smaller than the length of lay of a most directly adjacent stranding group winding of the stranding group of the second cable.Type: ApplicationFiled: December 16, 2014Publication date: November 17, 2016Inventors: Gunnar Armbrecht, Thomas Müller, Stephan Kunz
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Publication number: 20160292126Abstract: A method for transmitting three data signals from a USB signal in which the first data signal is transmitted differentially via a first conductor pair and the second data signal is transmitted differentially via a second conductor pair. A signal portion of the third data signal is transmitted as a common mode component via the first conductor pair and a reference portion of the third data signal is transmitted as a common mode component via the second conductor pair. A USB transmission system for carrying out this method and an adapter for a USB transmission system are presented.Type: ApplicationFiled: November 20, 2014Publication date: October 6, 2016Inventors: Stephan Kunz, Thomas Müller, Gunnar Armbrecht
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Patent number: 9443646Abstract: A data cable with at least two conductors for a differential transmission of data signals as well as a casing which surrounds the conductors. Each of the conductors has a conductor shield. The data cable uses asymmetrical data signals transmitted together with differential data signals via at least one of the at least two conductors.Type: GrantFiled: January 21, 2013Date of Patent: September 13, 2016Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventors: Gunnar Armbrecht, Thomas Müller, Michael Wollitzer
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Patent number: 9279845Abstract: A method for determining at least one characteristic of an antenna requiring: a) positioning an antenna in a space surrounded by a waveguide; b) feeding an electric excitation signal (utx(t)) into a feed connection of the waveguide; c) receiving the electric response signal (urx(t)) emitted by the antenna resulting from the excitation signal (utx(t)); d) determining at least one characteristic of the antenna from a portion of the response signal (urx(t)) and a corresponding portion of the excitation signal (utx(t)), where the portion of the response signal (urx(t)) is evaluated in the time domain and satisfies the following conditions: (i) only one or more waves of the electromagnetic field caused by the excitation signal (utx(t)) and running from the feed connection towards the antenna exist at the location of the antenna; and (ii) the electromagnetic field at the location of the antenna is a TEM field.Type: GrantFiled: August 10, 2010Date of Patent: March 8, 2016Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventors: Gunnar Armbrecht, Holger Thye, Sebastian Sczyslo, Sven Dortmund
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Patent number: 9257215Abstract: A star-quad cable for transmitting electrical signals with at least two pairs of electrical conductors, wherein each conductor has an electrically conductive core and a conductor sheath of an electrically insulating material which surrounds the core radially, the conductors being arranged at the corners of a square in a cross section of the star-quad cable, wherein the conductors of a pair are arranged at diagonally opposite corners of the square, and in each case the four conductors are twisted with one another in accordance with a star-quad arrangement with a predetermined stranding factor, wherein an electrically conducive shield surrounds the two pairs of conductors radially on the outside. An additional insulator sheath (of an electrically insulating material is arranged between the conductors and the shield.Type: GrantFiled: March 5, 2012Date of Patent: February 9, 2016Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventors: Michael Wollitzer, Gunnar Armbrecht, Helmut Reiter
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Patent number: 9214262Abstract: A star-quad cable for transmitting electrical signals, having at least two pairs of conductors, each conductor having one wire made of an electrically conductive material and a conductor sheath radially enclosing the wire and made of an electrically insulating material, the conductors being arranged on the corners of a square in a cross-section, with the conductors of a pair arranged on diagonally opposite corners of the square, wherein four conductors are twisted at a predetermined stranding factor; and a shield made of an electrically conductive material and enclosing the two pairs of conductors is arranged radially on the outside, constructed from a weave of individual shield wires. At least one shield wire or at least one shield wire bundle is stranded radially enclosing the conductors such that they run in the axial direction substantially parallel to a wire of a conductor.Type: GrantFiled: February 6, 2012Date of Patent: December 15, 2015Assignee: Rosenberger Hochfrequenztechnik GmbH & Co. KGInventors: Gunnar Armbrecht, Helmut Reiter
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Publication number: 20150096517Abstract: A high frequency plasma ignition device for the ignition of a fuel/air mixture in a combustion chamber of an internal combustion engine, having a series resonant circuit of an electric inductor and an electric capacitor connected in series, and a high frequency generator with a first electrical terminal and a second electrical terminal for the resonant excitation of the series resonant circuit, a first electrical contact point being provided in which one end of the capacitor and one end of the inductor are connected to one another electrically. An electrical connecting device connects the high-frequency generator to the inductor and to the capacitor such that an output signal of the high-frequency generator is applied to the series resonant circuit. An electric voltage is applied across the capacitor for igniting a plasma between free ends of a first and second electrode. An electric voltage is further applied to maintain the plasma after ignition.Type: ApplicationFiled: April 23, 2013Publication date: April 9, 2015Inventors: Gunnar Armbrecht, Michael Wollitzer, Thomas Schmid
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Publication number: 20150066408Abstract: A method for determining electric voltage u(t) and/or electric current i(t) of an RF signal in the time domain in a calibration plane, wherein by at least one directional coupler having two outputs and one signal input a first component of a first RF signal that runs from the signal input in the direction of the calibration plane, and a second component of a second RF signal that runs from the calibration plane in the direction of the signal input is decoupled. For a two-port error of the directional coupler, the error terms e00, e01, e10 and e11, are determined as a function of a frequency f and the signal values v1(t) and v2(t) are transformed into the frequency domain as wave quantities V1(f) and V2(f), and absolute wave quantities a1 and b1 in the frequency domain in the calibration plane are calculated from the wave quantities V1(f) and V2(f) by the error terms e00, e01, e10 and e11.Type: ApplicationFiled: March 7, 2013Publication date: March 5, 2015Inventors: Gunnar Armbrecht, Christian Zietz
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Publication number: 20150034358Abstract: A data cable with at least two conductors for a differential transmission of data signals as well as a casing which surrounds the conductors. Each of the conductors has a conductor shield. The invention further relates to a use of such a data cable, wherein asymmetrical data signals are also transmitted together with differential data signals via at least one of the at least two conductors.Type: ApplicationFiled: January 21, 2013Publication date: February 5, 2015Applicant: ROSENBERGER HOCHFREQUENZTECHNIK GMBH & CO. KGInventors: Gunnar Armbrecht, Thomas Müller, Michael Wollitzer
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Publication number: 20140014393Abstract: A star-quad cable for transmitting electrical signals with at least two pairs of electrical conductors, wherein each conductor has an electrically conductive core and a conductor sheath of an electrically insulating material which surrounds the core radially, the conductors being arranged at the corners of a square in a cross section of the star-quad cable, wherein the conductors of a pair are arranged at diagonally opposite corners of the square, and in each case the four conductors are twisted with one another in accordance with a star-quad arrangement with a predetermined stranding factor, wherein an electrically conducive shield surrounds the two pairs of conductors radially on the outside. An additional insulator sheath (of an electrically insulating material is arranged between the conductors and the shield.Type: ApplicationFiled: March 5, 2012Publication date: January 16, 2014Applicant: ROSENBERGER HOCHFREQUENZTECHNIK GMBH & CO. KGInventors: Michael Wollitzer, Gunnar Armbrecht, Helmut Reiter
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Publication number: 20140014392Abstract: A star-quad cable for transmitting electrical signals, having at least two pairs of conductors, each conductor having one wire made of an electrically conductive material and a conductor sheath radially enclosing the wire and made of an electrically insulating material, the conductors being arranged on the corners of a square in a cross-section, with the conductors of a pair arranged on diagonally opposite corners of the square, wherein four conductors are twisted at a predetermined stranding factor; and a shield made of an electrically conductive material and enclosing the two pairs of conductors is arranged radially on the outside, constructed from a weave of individual shield wires. At least one shield wire or at least one shield wire bundle is stranded radially enclosing the conductors such that they run in the axial direction substantially parallel to a wire of a conductor.Type: ApplicationFiled: February 6, 2012Publication date: January 16, 2014Applicant: ROSENBERGER HOCHFREQUENZTECHNIK GMBH & CO. KGInventors: Gunnar Armbrecht, Helmut Reiter
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Patent number: 8354970Abstract: Described and shown is a dielectric antenna (1) having a dielectric feeding section (2), a first transition section (3) comprising a dielectric rod, a dielectric emitting section (5) and, a further, second transition section (4) forming a dielectric horn, wherein the feeding section (2) can be struck with electromagnetic radiation (6), electromagnetic radiation (6) can be guided with the first transition section (3) and the second transition section (4) and the electromagnetic radiation can be emitted from the emitting section (5) as airborne waves. The object of the present invention is to provide a dielectric antenna, which is adaptable as low-loss as possible to different mounting situations, which additionally is as low-reflection as possible and, at the same time is highly bundling. The object of the above-mentioned dielectric antenna is met in that the emitting section (5) is designed as dielectric tube connecting to the second transition section (4).Type: GrantFiled: May 25, 2010Date of Patent: January 15, 2013Assignee: KROHNE Messtechnik GmbHInventors: Gunnar Armbrecht, Christian Zietz, Eckhard Denicke
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Publication number: 20120146861Abstract: A method for determining at least one characteristic of an antenna requiring: a) positioning an antenna in a space surrounded by a waveguide; b) feeding an electric excitation signal (utx(t)) into a feed connection of the waveguide; c) receiving the electric response signal (urx(t)) emitted by the antenna resulting from the excitation signal (utx(t)); d) determining at least one characteristic of the antenna from a portion of the response signal (urx(t)) and a corresponding portion of the excitation signal (utx(t)), where the portion of the response signal (urx(t)) is evaluated in the time domain and satisfies the following conditions: (i) only one or more waves of the electromagnetic field caused by the excitation signal (utx(t)) and running from the feed connection towards the antenna exist at the location of the antenna; and (ii) the electromagnetic field at the location of the antenna is a TEM field.Type: ApplicationFiled: August 10, 2010Publication date: June 14, 2012Applicant: ROSENBERGER HOCHFREQUENZTECHNIK GMBH & CO. KGInventors: Gunnar Armbrecht, Holger Thye, Sebastian Sczyslo, Sven Dortmund
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Publication number: 20100295745Abstract: Described and shown is a dielectric antenna (1) having a dielectric feeding section (2), a first transition section (3) comprising a dielectric rod, a dielectric emitting section (5) and, a further, second transition section (4) forming a dielectric horn, wherein the feeding section (2) can be struck with electromagnetic radiation (6), electromagnetic radiation (6) can be guided with the first transition section (3) and the second transition section (4) and the electromagnetic radiation can be emitted from the emitting section (5) as airborne waves. The object of the present invention is to provide a dielectric antenna, which is adaptable as low-loss as possible to different mounting situations, which additionally is as low-reflection as possible and, at the same time is highly bundling. The object of the above-mentioned dielectric antenna is met in that the emitting section (5) is designed as dielectric tube connecting to the second transition section (4).Type: ApplicationFiled: May 25, 2010Publication date: November 25, 2010Applicant: KROHNE MESSTECHNIK GMBHInventors: Gunnar ARMBRECHT, Christian ZIETZ, Eckhard DENICKE