Patents by Inventor Tetsuya Miyagawa
Tetsuya Miyagawa 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: 20240039169Abstract: A slot array antenna includes a waveguide and a horn. The waveguide has a first surface including multiple slots arranged along a longitudinal direction of the first surface to radiate radio waves. The width of the first surface in the lateral direction is greater than half of a wavelength of the radio waves. The horn, fixedly attached to the waveguide, enlarges towards a radiation direction of the radio waves. The horn has upper and lower portions bent inwards twice with respect to a lateral direction of the first surface to form first and second narrow openings. An opening width of the first narrow opening is less than the width of the first surface. An opening width of the second narrow opening is less than or equal to two fifth of the wavelength. Thus, a side lobe generated due to horizontal polarization of the radio waves is suppressed.Type: ApplicationFiled: October 20, 2022Publication date: February 1, 2024Applicant: Furuno Electric Co., Ltd.Inventor: Tetsuya MIYAGAWA
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Publication number: 20230324536Abstract: A radar signal processing device includes: a shielding length calculating unit (61) which calculates, based on a reception signal received by an antenna that transmits and receives radio waves, a shielding length (L2), which is the horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object (13) above a reference plane; and a vertical height calculating unit (62) which calculates, based on the shielding length and the positional relationship between the shielding object and the antenna, the height (H2) of the shielding object from the reference plane.Type: ApplicationFiled: June 1, 2023Publication date: October 12, 2023Applicant: FURUNO ELECTRIC CO., LTD.Inventors: Tetsuya MIYAGAWA, Yoshifumi OHNISHI
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Patent number: 11504971Abstract: A liquid ejecting apparatus includes a carriage unit including a liquid ejecting head and reciprocating in a scanning direction; a liquid container; and a tube supplying liquid sent from the liquid container to the carriage unit. When the carriage unit moves, in a case in which one direction is referred to as a first direction and another direction is referred to as a second direction, the tube extends from the liquid container in the second direction, forms a curved portion curving toward upstream in a transport direction of a medium, is folded back in the first direction, and is coupled to the carriage unit. The carriage unit includes a space that expands in the transport direction upstream of an area in which a portion extending from a coupling start point of the tube toward the curved portion is displaced in accordance with movement of the carriage unit.Type: GrantFiled: January 24, 2020Date of Patent: November 22, 2022Assignee: Seiko Epson CorporationInventors: Shota Mizuno, Tetsuya Miyagawa
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Publication number: 20220271436Abstract: The present disclosure improves an antenna characteristic related to high-frequency radio waves. An antenna device includes a first line antenna which includes a straight first feeder line, and a plurality of first antenna elements, each connected at an end to the first feeder line and extending perpendicularly from the first feeder line, and a second line antenna which includes a second feeder line and a plurality of second antenna elements that are line symmetry from the first line antenna with respect to an imaginary line parallel to the first feeder line as an axis of symmetry.Type: ApplicationFiled: May 11, 2022Publication date: August 25, 2022Applicant: FURUNO ELECTRIC CO., LTD.Inventor: Tetsuya MIYAGAWA
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Patent number: 11279156Abstract: A liquid ejecting apparatus includes a transport mechanism which transports a medium in a transport direction, a carriage configured to reciprocally move in scanning directions which intersect the transport direction, a liquid ejecting head which is installed on the carriage, and a tube through which the liquid supplied from a liquid storage container to the liquid ejecting head passes. The liquid ejecting apparatus further includes a holding section which holds a waste liquid storage body configured to store a waste liquid. The tube includes a movable portion which forms a curved portion which curves toward downstream in the transport direction and which causes a formation position of the curved portion to move and a fixed portion which is not movable. The holding section is disposed between the fixed portion and a scanning region of the carriage in the transport direction.Type: GrantFiled: March 11, 2020Date of Patent: March 22, 2022Assignee: Seiko Epson CorporationInventors: Tetsuya Miyagawa, Shintaro Komuro
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Publication number: 20220024212Abstract: When one of directions in which a carriage moves is a first scanning direction, and the other one of the directions is a second scanning direction, a tube extends in the first scanning direction, is bent in the second scanning direction with a curved portion, and is coupled to the carriage. The tube has a first portion, which is an immovable portion that does not move as the carriage reciprocates, and a second portion, which is a movable portion that moves as the carriage reciprocates. The first portion is fixed to a mounting plate, which is an example of a fixing section, the tube and a supporting member are held together by a holding member, and the mounting plate has a stepped portion, which is an example of a contact preventing portion configured to prevent contact with the holding member holding the movable portion of the tube.Type: ApplicationFiled: October 6, 2021Publication date: January 27, 2022Inventors: Tetsuya MIYAGAWA, Shota MIZUNO
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Patent number: 11167555Abstract: When one of directions in which a carriage moves is a first scanning direction, and the other one of the directions is a second scanning direction, a tube extends in the first scanning direction, is bent in the second scanning direction with a curved portion, and is coupled to the carriage. The tube has a first portion, which is an immovable portion that does not move as the carriage reciprocates, and a second portion, which is a movable portion that moves as the carriage reciprocates. The first portion is fixed to a mounting plate, which is an example of a fixing section, the tube and a supporting member are held together by a holding member, and the mounting plate has a stepped portion, which is an example of a contact preventing portion configured to prevent contact with the holding member holding the movable portion of the tube.Type: GrantFiled: February 3, 2020Date of Patent: November 9, 2021Assignee: Seiko Epson CorporationInventors: Tetsuya Miyagawa, Shota Mizuno
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Publication number: 20200290380Abstract: A liquid ejecting apparatus includes a transport mechanism which transports a medium in a transport direction, a carriage configured to reciprocally move in scanning directions which intersect the transport direction, a liquid ejecting head which is installed on the carriage, and a tube through which the liquid supplied from a liquid storage container to the liquid ejecting head passes. The liquid ejecting apparatus further includes a holding section which holds a waste liquid storage body configured to store a waste liquid. The tube includes a movable portion which forms a curved portion which curves toward downstream in the transport direction and which causes a formation position of the curved portion to move and a fixed portion which is not movable. The holding section is disposed between the fixed portion and a scanning region of the carriage in the transport direction.Type: ApplicationFiled: March 11, 2020Publication date: September 17, 2020Inventors: Tetsuya MIYAGAWA, Shintaro KOMURO
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Patent number: 10777889Abstract: Provided is an array antenna capable of reducing side lobes while efficiently arranging antenna elements. The array antenna includes a substrate, a plurality of antenna elements, a primary feeder line, a plurality of secondary feeder lines, and a phase-inverter. The antenna elements is arrayed on the substrate in longitudinal directions thereof. The secondary feeder lines are connected to the respective antenna elements from one of the longitudinal directions of the substrate, and at least connected to the antenna elements that are disposed at both end portions of the substrate from a center side of the substrate. The phase-inverter is positioned where the connected direction of the secondary feeder line to the antenna element changes, disposed at least between the antenna elements adjacent to each other on a first end portion side of the longitudinal center of the substrate, and inverted the phase of a radio wave to be transmitted.Type: GrantFiled: February 20, 2018Date of Patent: September 15, 2020Assignee: FURUNO ELECTRIC CO., LTD.Inventor: Tetsuya Miyagawa
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Publication number: 20200247157Abstract: When one of directions in which a carriage moves is a first scanning direction, and the other one of the directions is a second scanning direction, a tube extends in the first scanning direction, is bent in the second scanning direction with a curved portion, and is coupled to the carriage. The tube has a first portion, which is an immovable portion that does not move as the carriage reciprocates, and a second portion, which is a movable portion that moves as the carriage reciprocates. The first portion is fixed to a mounting plate, which is an example of a fixing section, the tube and a supporting member are held together by a holding member, and the mounting plate has a stepped portion, which is an example of a contact preventing portion configured to prevent contact with the holding member holding the movable portion of the tube.Type: ApplicationFiled: February 3, 2020Publication date: August 6, 2020Inventors: Tetsuya MIYAGAWA, Shota MIZUNO
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Publication number: 20200238710Abstract: A liquid ejecting apparatus includes a carriage unit including a liquid ejecting head and reciprocating in a scanning direction; a liquid container; and a tube supplying liquid sent from the liquid container to the carriage unit. When the carriage unit moves, in a case in which one direction is referred to as a first direction and another direction is referred to as a second direction, the tube extends from the liquid container in the second direction, forms a curved portion curving toward upstream in a transport direction of a medium, is folded back in the first direction, and is coupled to the carriage unit. The carriage unit includes a space that expands in the transport direction upstream of an area in which a portion extending from a coupling start point of the tube toward the curved portion is displaced in accordance with movement of the carriage unit.Type: ApplicationFiled: January 24, 2020Publication date: July 30, 2020Inventors: Shota MIZUNO, Tetsuya MIYAGAWA
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Patent number: 10717617Abstract: A medium processing apparatus includes a processing section performing a process on a sheet-like medium; a transport roller pair including a driving roller and a driven roller, and transporting the medium in a transport path including a region in which the processing section performs a process; a first casing accommodating the processing section and the transport roller pair; a second casing configured to close and open with respect to the first casing; and a displacement mechanism displacing the transport roller pair to a separation position and a contact position. The displacement mechanism displaces the transport roller pair from the contact position to the separation position in conjunction with an operation of opening the second casing.Type: GrantFiled: June 26, 2019Date of Patent: July 21, 2020Assignee: Seiko Epson CorporationInventors: Tetsuya Miyagawa, Shingo Waki, Shota Mizuno
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Publication number: 20190389680Abstract: A medium processing apparatus includes a processing section performing a process on a sheet-like medium; a transport roller pair including a driving roller and a driven roller, and transporting the medium in a transport path including a region in which the processing section performs a process; a first casing accommodating the processing section and the transport roller pair; a second casing configured to close and open with respect to the first casing; and a displacement mechanism displacing the transport roller pair to a separation position and a contact position. The displacement mechanism displaces the transport roller pair from the contact position to the separation position in conjunction with an operation of opening the second casing.Type: ApplicationFiled: June 26, 2019Publication date: December 26, 2019Inventors: Tetsuya MIYAGAWA, Shingo Waki, Shota Mizuno
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Patent number: 10347980Abstract: An antenna device is provided. The antenna device includes an antenna part, a motor and a case. The antenna part has a transmission antenna configured to transmit a radio wave and a reception antenna disposed on one of an upper side and a lower side of the transmission antenna and configured to receive a radio wave. The motor rotates the antenna part. The case covers the antenna part. The case has a side wall. The side wall has two inclined portions inclined at different inclination angles with respect to a rotational axis of the antenna part. A boundary between the two inclined portions is located higher than half of a height of the case.Type: GrantFiled: December 9, 2016Date of Patent: July 9, 2019Assignee: Furuno Electric Co., Ltd.Inventor: Tetsuya Miyagawa
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Patent number: 10207526Abstract: A recording apparatus has a carriage in which a head unit including a recording head is disposed. By turning the head unit within the carriage about a pivot that extends in a direction intersecting a head surface, the angle of the recording head is adjusted while maintaining good contact between a data storage unit included in an ink cartridge and a contact terminal included in the carriage.Type: GrantFiled: July 19, 2017Date of Patent: February 19, 2019Assignee: Seiko Epson CorporationInventors: Kazutoshi Matsuzaki, Tetsuya Miyagawa, Shota Mizuno
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Patent number: 10118425Abstract: A recording apparatus for which it is easy to release a lock of a carriage and perform maintenance.Type: GrantFiled: June 8, 2017Date of Patent: November 6, 2018Assignee: Seiko Epson CorporationInventors: Kazutoshi Matsuzaki, Tetsuya Miyagawa, Shota Mizuno
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Publication number: 20180175502Abstract: Provided is an array antenna capable of reducing side lobes while efficiently arranging antenna elements. The array antenna includes a substrate, a plurality of antenna elements, a primary feeder line, a plurality of secondary feeder lines, and a phase-inverter. The antenna elements is arrayed on the substrate in longitudinal directions thereof. The secondary feeder lines are connected to the respective antenna elements from one of the longitudinal directions of the substrate, and at least connected to the antenna elements that are disposed at both end portions of the substrate from a center side of the substrate. The phase-inverter is positioned where the connected direction of the secondary feeder line to the antenna element changes, disposed at least between the antenna elements adjacent to each other on a first end portion side of the longitudinal center of the substrate, and inverted the phase of a radio wave to be transmitted.Type: ApplicationFiled: February 20, 2018Publication date: June 21, 2018Applicant: FURUNO ELECTRIC CO., LTD.Inventor: Tetsuya MIYAGAWA
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Patent number: 9910147Abstract: A radar antenna is provided. The radar antenna includes a radar case having a front side and a rear side, a signal processor provided inside the radar case and configured to perform signal processing on a reception signal that is received by an EM radiator configured to transceive an electromagnetic wave, and a wireless LAN antenna fixed inside the radar case, having a horizontal directivity, and configured to transmit the reception signal processed by the signal processor to an external terminal device, the wireless LAN antenna being oriented such that a direction of the horizontal directivity of the wireless LAN antenna is in parallel to the front-and-rear directions of the radar case.Type: GrantFiled: February 4, 2015Date of Patent: March 6, 2018Assignee: Furuno Electric Co., Ltd.Inventors: Koji Atsumi, Dai Takemoto, Tetsuya Miyagawa
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Publication number: 20180029392Abstract: A recording apparatus has a carriage in which a head unit including a recording head is disposed. By turning the head unit within the carriage about a pivot that extends in a direction intersecting a head surface, the angle of the recording head is adjusted while maintaining good contact between a data storage unit included in an ink cartridge and a contact terminal included in the carriage.Type: ApplicationFiled: July 19, 2017Publication date: February 1, 2018Inventors: Kazutoshi MATSUZAKI, Tetsuya MIYAGAWA, Shota MIZUNO
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Publication number: 20180001680Abstract: A recording apparatus for which it is easy to release a lock of a carriage and perform maintenance.Type: ApplicationFiled: June 8, 2017Publication date: January 4, 2018Inventors: Kazutoshi MATSUZAKI, Tetsuya MIYAGAWA, Shota MIZUNO