Patents by Inventor Tatsuhiro Shimura
Tatsuhiro Shimura 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: 11862846Abstract: An antenna module to be provided to a vehicle includes: an array antenna configured to form a beam directed from an aperture provided in an exterior body panel of the vehicle, toward a vehicle outside; and a housing holding the array antenna in a vehicle inside.Type: GrantFiled: July 8, 2019Date of Patent: January 2, 2024Assignee: Sumitomo Electric Industries, Ltd.Inventors: Tatsuhiro Shimura, Isao Katsura, Masahiko Onishi
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Patent number: 11605884Abstract: A planar antenna includes: a radiating element; a flexible dielectric film portion; a power feeder line provided for the dielectric film portion, and configured to feed power to the radiating element; a first ground conductor facing against the radiating element; and an antenna base having a dielectric layer disposed between the radiating element and the first ground conductor. The dielectric film portion extends from a side surface of the antenna base. The dielectric layer is thicker than the dielectric film portion.Type: GrantFiled: July 8, 2021Date of Patent: March 14, 2023Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsuhiro Shimura, Isao Katsura
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Patent number: 11456525Abstract: An antenna module 4 includes one antenna base 25 having a radiation surface 25a inclined relative to an opening plane 23 at which a radome 22 is attached, and another antenna base 25 having a radiation surface 25a inclined in a direction different from the one antenna base 25.Type: GrantFiled: October 18, 2018Date of Patent: September 27, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Isao Katsura, Tatsuhiro Shimura
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Patent number: 11296745Abstract: A mobile station includes: a baseband processor; and an RF front-end module connected to the baseband processor and including a plurality of antenna modules and a controller. The plurality of antenna modules each include an antenna element and a variable phase shifter connected to the antenna element. The baseband processor is configured to output a beam control signal indicating a direction of an antenna beam formed by the plurality of antenna elements. The controller is configured to receive the beam control signal from the baseband processor, determine a phase control amount for each variable phase shifter on the basis of the beam control signal, and control each variable phase shifter on the basis of the determined phase control amount.Type: GrantFiled: October 20, 2017Date of Patent: April 5, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsuhiro Shimura
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Publication number: 20220006178Abstract: An antenna module to be provided to a vehicle includes: an array antenna configured to form a beam directed from an aperture provided in an exterior body panel of the vehicle, toward a vehicle outside; and a housing holding the array antenna in a vehicle inside.Type: ApplicationFiled: July 8, 2019Publication date: January 6, 2022Applicant: Sumitomo Electric Industries, Ltd.Inventors: Tatsuhiro SHIMURA, Isao KATSURA, Masahiko ONISHI
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Publication number: 20210336330Abstract: A planar antenna includes: a radiating element; a flexible dielectric film portion; a power feeder line provided for the dielectric film portion, and configured to feed power to the radiating element; a first ground conductor facing against the radiating element; and an antenna base having a dielectric layer disposed between the radiating element and the first ground conductor. The dielectric film portion extends from a side surface of the antenna base. The dielectric layer is thicker than the dielectric film portion.Type: ApplicationFiled: July 8, 2021Publication date: October 28, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsuhiro SHIMURA, Isao KATSURA
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Patent number: 11095022Abstract: A planar antenna includes: a radiating element; a flexible dielectric film portion; a power feeder line provided for the dielectric film portion, and configured to feed power to the radiating element; a first ground conductor facing against the radiating element; and an antenna base having a dielectric layer disposed between the radiating element and the first ground conductor. The dielectric film portion extends from a side surface of the antenna base. The dielectric layer is thicker than the dielectric film portion.Type: GrantFiled: February 21, 2018Date of Patent: August 17, 2021Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsuhiro Shimura, Isao Katsura
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Publication number: 20210057806Abstract: An antenna module 4 includes one antenna base 25 having a radiation surface 25a inclined relative to an opening plane 23 at which a radome 22 is attached, and another antenna base 25 having a radiation surface 25a inclined in a direction different from the one antenna base 25.Type: ApplicationFiled: October 18, 2018Publication date: February 25, 2021Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Isao KATSURA, Tatsuhiro SHIMURA
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Publication number: 20200028251Abstract: A planar antenna includes: a radiating element; a flexible dielectric film portion; a power feeder line provided for the dielectric film portion, and configured to feed power to the radiating element; a first ground conductor facing against the radiating element; and an antenna base having a dielectric layer disposed between the radiating element and the first ground conductor. The dielectric film portion extends from a side surface of the antenna base. The dielectric layer is thicker than the dielectric film portion.Type: ApplicationFiled: February 21, 2018Publication date: January 23, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Tatsuhiro SHIMURA, Isao KATSURA
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Publication number: 20190319663Abstract: A mobile station includes: a baseband processor; and an RF front-end module connected to the baseband processor and including a plurality of antenna modules and a controller. The plurality of antenna modules each include an antenna element and a variable phase shifter connected to the antenna element. The baseband processor is configured to output a beam control signal indicating a direction of an antenna beam formed by the plurality of antenna elements. The controller is configured to receive the beam control signal from the baseband processor, determine a phase control amount for each variable phase shifter on the basis of the beam control signal, and control each variable phase shifter on the basis of the determined phase control amount.Type: ApplicationFiled: October 20, 2017Publication date: October 17, 2019Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsuhiro SHIMURA
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Patent number: 9083290Abstract: There is provided an amplifier apparatus and a signal processing apparatus that reduce a delay or distortion of a power supply voltage used for drain modulation. An amplifier apparatus is an amplifier apparatus that performs drain modulation, and includes a printed circuit board having a first surface and a second surface; an amplifier circuit disposed on the first surface; and a modulation power supply circuit that supplies a variable power supply voltage for performing drain modulation, to the amplifier circuit The modulation power supply circuit has an output portion that outputs the power supply voltage. The amplifier circuit has an input portion to which the power supply voltage is supplied. The output portion is located on the side of the second principal surface of the printed circuit board and is connected to the input portion through a conductor penetrating through the printed circuit board.Type: GrantFiled: February 22, 2011Date of Patent: July 14, 2015Assignee: Sumitomo Electric Industries, Ltd.Inventors: Yorinao Kurokawa, Tatsuhiro Shimura
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Patent number: 8587271Abstract: An envelope tracking power supply circuit is a power supply circuit for generating an output voltage according to the envelope of a high frequency signal and includes a voltage follower circuit for receiving an envelope signal and outputting a voltage according to the envelope signal; two parallel resistors connected in parallel between the output of the voltage follower circuit and an output terminal; hysteresis comparators for detecting respective voltage drops in the parallel resistors and generating voltages according to the voltage drops; and switching converters for performing switching according to the respective voltages outputted from the hysteresis comparators and outputting a voltage to the output terminal.Type: GrantFiled: February 3, 2009Date of Patent: November 19, 2013Assignee: Sumitomo Electric Industries, Ltd.Inventors: Akihiro Kanbe, Masato Kaneta, Haruo Kobayashi, Hitoshi Hirata, Tatsuhiro Shimura
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Publication number: 20120294201Abstract: There is provided an amplifier apparatus and a signal processing apparatus that reduce a delay or distortion of a power supply voltage used for drain modulation. An amplifier apparatus is an amplifier apparatus that performs drain modulation, and includes a printed circuit board having a first surface and a second surface; an amplifier circuit disposed on the first surface; and a modulation power supply circuit that supplies a variable power supply voltage for performing drain modulation, to the amplifier circuit. The modulation power supply circuit has an output portion that outputs the power supply voltage. The amplifier circuit has an input portion to which the power supply voltage is supplied. The output portion is located on the side of the second principal surface of the printed circuit board and is connected to the input portion through a conductor penetrating through the printed circuit board.Type: ApplicationFiled: February 22, 2011Publication date: November 22, 2012Applicant: Sumitomo Electric Industries, Ltd.Inventors: Yorinao Kurokawa, Tatsuhiro Shimura
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Publication number: 20110031953Abstract: The invention aims to maintain a high efficiency even for a high-frequency signal having a wideband envelope. The envelope tracking power supply circuit 5 is a power supply circuit for generating an output voltage according to the envelope of a high frequency signal and comprises a voltage follower circuit 7 for receiving an envelope signal and outputting a voltage according to the envelope signal SE; two parallel resistors Rsense connected in parallel between the output of the voltage follower circuit 7 and an output terminal PO; hysteresis comparators 9a, 9b for detecting respective voltage drops in the parallel resistors Rsense and generating voltages according to the voltage drops; and switching converters 11a, 11b for performing switching according to the respective voltages outputted from the hysteresis comparators 9a, 9b and outputting a voltage to the output terminal PO.Type: ApplicationFiled: February 3, 2009Publication date: February 10, 2011Inventors: Akihiro Kanbe, Masato Kaneta, Haruo Kobayashi, Hitoshi Hirata, Tatsuhiro Shimura