Patents by Inventor Andrey Kozyrev
Andrey Kozyrev 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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Patent number: 9269496Abstract: An embodiment of the present invention provides a method, comprising reducing the losses due to electro-mechanical coupling and improving Q in a multilayered capacitor by placing a first capacitor layer adjacent at least one additional capacitor layer and sharing a common electrode in between the two such that the acoustic vibration of the first layer is coupled to an anti-phase acoustic vibration of the at least one additional layer.Type: GrantFiled: October 8, 2014Date of Patent: February 23, 2016Assignee: BLACKBERRY LIMITEDInventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Patent number: 9142355Abstract: An embodiment of the present invention provides a method, comprising reducing the losses due to electro-mechanical coupling and improving Q in a multilayered capacitor by placing a first capacitor layer adjacent at least one additional capacitor layer and sharing a common electrode in between the two such that the acoustic vibration of the first layer is coupled to an anti-phase acoustic vibration of the at least one additional layer.Type: GrantFiled: May 16, 2013Date of Patent: September 22, 2015Assignee: BLACKBERRY LIMITEDInventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Patent number: 8953299Abstract: An embodiment of a tunable capacitor can include a plurality of capacitors connected in series where at least two capacitors of the plurality of capacitors share a common electrode where the at least two capacitors are in lateral proximity and a bias that is capable of being applied to the at least two capacitors whereby the at least two capacitors vibrate in opposite phase to each other when the bias and an RF signal is applied to the at least two capacitors.Type: GrantFiled: January 29, 2013Date of Patent: February 10, 2015Assignee: BlackBerry LimitedInventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Publication number: 20130279068Abstract: An embodiment of the present invention provides a method, comprising reducing the losses due to electro-mechanical coupling and improving Q in a multilayered capacitor by placing a first capacitor layer adjacent at least one additional capacitor layer and sharing a common electrode in between the two such that the acoustic vibration of the first layer is coupled to an anti-phase acoustic vibration of the at least one additional layer.Type: ApplicationFiled: May 16, 2013Publication date: October 24, 2013Inventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Patent number: 8467169Abstract: An embodiment of the present disclosure provides a method to reduce acoustic vibration in a multilayered capacitor stimulated by a radio frequency signal by placing a first capacitor layer adjacent to second capacitor layer sharing a common electrode such that the acoustic vibration is reduced by applying one or more anti-acoustic vibration bias voltages to the multilayered capacitor. Other embodiments are disclosed.Type: GrantFiled: August 8, 2007Date of Patent: June 18, 2013Assignee: Research In Motion RF, Inc.Inventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Publication number: 20110170226Abstract: An embodiment of a tunable capacitor can include a plurality of capacitors connected in series where at least two capacitors of the plurality of capacitors share a common electrode where the at least two capacitors are in lateral proximity and a bias that is capable of being applied to the at least two capacitors whereby the at least two capacitors vibrate in opposite phase to each other when the bias and an RF signal is applied to the at least two capacitors.Type: ApplicationFiled: March 23, 2011Publication date: July 14, 2011Applicant: PARATEK MICROWAVE, INC.Inventors: James Oakes, James Martin, Andrey Kozyrev, A. Prudan
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Patent number: 7936553Abstract: An embodiment of the present invention provides a device, comprising a multilayered tunable dielectric capacitor, wherein said multilayers of tunable dielectric are adapted to be DC biased to reduce the dielectric constant; and wherein the DC bias is arranged so that the number of layers of tunable dielectric biased positively is equal to the number of layers of tunable dielectric biased negatively.Type: GrantFiled: March 22, 2007Date of Patent: May 3, 2011Assignee: Paratek Microwave, Inc.Inventors: James Oakes, James Martin, Andrey Kozyrev, Alexandr Prudan
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Publication number: 20080232023Abstract: An embodiment of the present invention provides a device, comprising a multilayered tunable dielectric capacitor, wherein said multilayers of tunable dielectric are adapted to be DC biased to reduce the dielectric constant; and wherein the DC bias is arranged so that the number of layers of tunable dielectric biased positively is equal to the number of layers of tunable dielectric biased negatively.Type: ApplicationFiled: March 22, 2007Publication date: September 25, 2008Inventors: James Oakes, James Martin, Andrey Kozyrev, A. Prudan
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Patent number: 7154357Abstract: A phase shifter includes a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.03 at K and Ka bands positioned on a surface of the substrate, a coplanar waveguide positioned on a surface of the tunable dielectric film opposite the substrate, an input for coupling a radio frequency signal to the coplanar waveguide, an output for receiving the radio frequency signal from the coplanar waveguide, and a connection for applying a control voltage to the tunable dielectric film. A reflective termination coplanar waveguide phase shifter including a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.Type: GrantFiled: December 9, 2004Date of Patent: December 26, 2006Assignee: Paratek Microwave, Inc.Inventors: Andrey Kozyrev, Louise C. Sengupta, Yongfei Zhu
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Patent number: 7042316Abstract: A tunable filter which may include at least one resonator. The at least one resonator may comprise a ring resonator made on a dielectric substrate placed in a waveguide, wherein the waveguide may contain a cut-off portion which houses and shields at least one resonator containing at least one tunable capacitor therein. A DC Bias circuit may be connected to the at least one resonator and may be capable of providing DC bias to the at least one tunable capacitor.Type: GrantFiled: April 30, 2004Date of Patent: May 9, 2006Assignee: Paratek Microwave, Inc.Inventors: Khosro Shamsaifar, Vladimir Keis, Andrey Kozyrev
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Patent number: 6985050Abstract: A tunable phase shifter includes a waveguide, a finline substrate positioned within the waveguide, a tunable dielectric layer positioned on the finline substrate, a first conductor positioned on the tunable dielectric layer, and a second conductor positioned on the tunable dielectric layer, with the first and second conductors being separated to form a gap. By controlling a voltage applied to the tunable dielectric material, the phase of a signal passing through the waveguide can be controlled.Type: GrantFiled: April 19, 2001Date of Patent: January 10, 2006Assignee: Paratek Microwave, Inc.Inventors: Louise C. Sengupta, Andrey Kozyrev
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Publication number: 20050242902Abstract: A phase shifter includes a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.03 at K and Ka bands positioned on a surface of the substrate, a coplanar waveguide positioned on a surface of the tunable dielectric film opposite the substrate, an input for coupling a radio frequency signal to the coplanar waveguide, an output for receiving the radio frequency signal from the coplanar waveguide, and a connection for applying a control voltage to the tunable dielectric film. A reflective termination coplanar waveguide phase shifter including a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.Type: ApplicationFiled: December 9, 2004Publication date: November 3, 2005Inventors: Andrey Kozyrev, Louise Sengupta, Yongfei Zhu
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Patent number: 6954118Abstract: A phase shifter includes a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.03 at K and Ka bands positioned on a surface of the substrate, a coplanar waveguide positioned on a surface of the tunable dielectric film opposite the substrate, an input for coupling a radio frequency signal to the coplanar waveguide, an output for receiving the radio frequency signal from the coplanar waveguide, and a connection for applying a control voltage to the tunable dielectric film. A reflective termination coplanar waveguide phase shifter including a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.Type: GrantFiled: August 22, 2003Date of Patent: October 11, 2005Assignee: Paratek Microwave, Inc.Inventors: Andrey Kozyrev, Louise Sengupta, Youngfei Zhu
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Patent number: 6864840Abstract: A phased array antenna includes a plurality of radiating elements, a feed line assembly, a ground plane positioned between the plurality of radiating elements and the feed line assembly, with the ground plane having a plurality of openings positioned between the plurality of radiating elements and the feed line assembly, and a plurality of voltage tunable dielectric phase shifters coupled to the feed line assembly.Type: GrantFiled: January 30, 2002Date of Patent: March 8, 2005Assignee: Paratek Microwave, Inc.Inventors: Yongfei Zhu, Louise C. Sengupta, Andrey Kozyrev, Xubai Zhang
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Publication number: 20050030132Abstract: A tunable filter which may include at least one resonator. The at least one resonator may comprise a ring resonator made on a dielectric substrate placed in a waveguide, wherein the waveguide may contain a cut-off portion which houses and shields at least one resonator containing at least one tunable capacitor therein. A DC Bias circuit may be connected to the at least one resonator and may be capable of providing DC bias to the at least one tunable capacitor.Type: ApplicationFiled: April 30, 2004Publication date: February 10, 2005Inventors: Khosro Shamsaifar, Vladimir Keis, Andrey Kozyrev
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Patent number: 6794960Abstract: A tunable dielectric structure includes a first layer of dielectric material, a second layer of dielectric material positioned adjacent to the first layer of dielectric material, with the second layer of dielectric material having a dielectric constant that is less than the dielectric constant of the first layer of dielectric material, and electrodes for applying a controllable voltage across the first dielectric material, thereby controlling a dielectric constant of the first dielectric material, wherein at least one of the electrodes is positioned between the first and second layers of dielectric material. The dielectric materials can be formed in various shapes and assembled in various orientations with respect to each other. The tunable dielectric structure is used in various devices including coaxial cables, cavity antennas, microstrip lines, coplanar lines, and waveguides.Type: GrantFiled: February 6, 2002Date of Patent: September 21, 2004Assignee: Paratek Microwave, Inc.Inventors: Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven C. Stowell, Andrey Kozyrev, Somnath Sengupta, Louise Sengupta
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Publication number: 20040036553Abstract: A phase shifter includes a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.03 at K and Ka bands positioned on a surface of the substrate, a coplanar waveguide positioned on a surface of the tunable dielectric film opposite the substrate, an input for coupling a radio frequency signal to the coplanar waveguide, an output for receiving the radio frequency signal from the coplanar waveguide, and a connection for applying a control voltage to the tunable dielectric film. A reflective termination coplanar waveguide phase shifter including a substrate, a tunable dielectric film having a dielectric constant between 70 to 600, a tuning range of 20 to 60%, and a loss tangent between 0.008 to 0.Type: ApplicationFiled: August 22, 2003Publication date: February 26, 2004Inventors: Andrey Kozyrev, Louise Sengupta, Youngfei Zhu
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Patent number: 6686814Abstract: A voltage tunable dielectric varactor includes a substrate having a low dielectric constant and having generally planar surface, a tunable ferroelectric layer positioned on the generally planar surface of the substrate, and first and second electrodes positioned on a surface of the tunable ferroelectric layer opposite the generally planar surface of the substrate. The first and second electrodes are separated to form a gap therebetween. The varactor includes an input for receiving a radio frequency signal and an output for delivering the radio frequency signal. A bias voltage applied to the electrodes changes the capacitance of the varactor between the input and output thereof. Phase shifters and filters that include the varactor are also described.Type: GrantFiled: August 19, 2002Date of Patent: February 3, 2004Assignee: Paratek Microwave, Inc.Inventors: Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven C. Stowell, Andrey Kozyrev, Somnath Sengupta, Louise Sengupta
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Patent number: 6683517Abstract: A tunable dielectric structure includes a first layer of dielectric material, a second layer of dielectric material positioned adjacent to the first layer of dielectric material, with the second layer of dielectric material having a dielectric constant that is less than the dielectric constant of the first layer of dielectric material, and electrodes for applying a controllable voltage across the first dielectric material, thereby controlling a dielectric constant of the first dielectric material, wherein at least one of the electrodes is positioned between the first and second layers of dielectric material. The dielectric materials can be formed in various shapes and assembled in various orientations with respect to each other. The tunable dielectric structure is used in various devices including coaxial cables, cavity antennas, microstrip lines, coplanar lines, and waveguides.Type: GrantFiled: February 6, 2002Date of Patent: January 27, 2004Assignee: Paratek Microwave, Inc.Inventors: Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven C. Stowell, Andrey Kozyrev, Somnath Sengupta, Louise Sengupta
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Patent number: 6683516Abstract: A tunable dielectric structure includes a first layer of dielectric material, a second layer of dielectric material positioned adjacent to the first layer of dielectric material, with the second layer of dielectric material having a dielectric constant that is less than the dielectric constant of the first layer of dielectric material, and electrodes for applying a controllable voltage across the first dielectric material, thereby controlling a dielectric constant of the first dielectric material, wherein at least one of the electrodes is positioned between the first and second layers of dielectric material. The dielectric materials can be formed in various shapes and assembled in various orientations with respect to each other. The tunable dielectric structure is used in various devices including coaxial cables, cavity antennas, microstrip lines, coplanar lines, and waveguides.Type: GrantFiled: February 6, 2002Date of Patent: January 27, 2004Assignee: Paratek Microwave, Inc.Inventors: Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven C. Stowell, Andrey Kozyrev, Somnath Sengupta, Louise Sengupta