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1. 发明授权

US10267921B2 Electronic device 有权
公开(公告)号：US10267921B2
公开(公告)日：2019-04-23
申请号：US15389953
申请日：2016-12-23
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa
IPC分类号： G01S19/14 , H01L23/64 , H01L23/66 , G01S19/36
摘要： An electronic device includes an antenna including an antenna electrode, a circuit substrate, and a short-circuit portion short-circuiting the antenna electrode and the circuit substrate, a display unit, a case accommodating the antenna and the display unit, and a band connected to the case. In the short-circuit portion, a width in a direction intersecting a line segment binding a position of the short-circuit portion connected to the antenna electrode and a position of the short-circuit portion connected to the circuit substrate is narrower than a maximum width of the antenna electrode and a maximum width of the circuit substrate in a direction oriented along the intersection direction.

2. 发明授权

US10128565B2 Antenna and electronic apparatus 有权
公开(公告)号：US10128565B2
公开(公告)日：2018-11-13
申请号：US15073917
申请日：2016-03-18
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa
IPC分类号： H01Q1/24 , H01Q1/27 , H01Q1/48 , G04R60/12 , G04R20/04 , G04R60/10 , H01Q9/42
摘要： An antenna includes a first radiation element, a ground plate having a grounding point to which the first radiation element is grounded, and a second radiation element grounded to the ground plate and in a position where the grounding point is electrically shared with the first radiation element, and the second radiation element is disposed along the direction of current produced by the first radiation element and flowing in the ground plate.

3. 发明申请

US20150091758A1 ANTENNA AND ELECTRONIC APPARATUS 审中-公开
标题翻译：天线和电子设备
公开(公告)号：US20150091758A1
公开(公告)日：2015-04-02
申请号：US14500827
申请日：2014-09-29
申请人： Seiko Epson Corporation
发明人： Masayuki Ikeda , Tadashi Aizawa
IPC分类号： H01Q7/00 , G01S5/02
CPC分类号： H01Q7/00 , G01S5/02 , H01Q1/273 , H01Q9/16 , H01Q9/30
摘要： An antenna includes a magnetic current element which is an element to constitute a loop and generates a magnetic current vector having a component perpendicular to a loop plane, and an electric current element to generate an electric current vector having a component parallel to the magnetic current vector.
摘要翻译：天线包括作为构成环路的元件的磁电流元件，并且产生具有垂直于环路平面的分量的磁电流矢量，以及电流元件以产生具有与磁电流矢量平行的分量的电流矢量。

4. 发明申请

US20130322217A1 Electronic Device 有权
公开(公告)号：US20130322217A1
公开(公告)日：2013-12-05
申请号：US13901318
申请日：2013-05-23
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa , Masayuki Ikeda
IPC分类号： G04B47/00
CPC分类号： G04B47/00 , G04R60/10
摘要： A small electronic device enables improving transmission and reception performance with stable operation. An example of the electronic device is an electronic wristwatch having a display; a circuit board disposed on one side of the display; an antenna is disposed on the opposite side of the circuit board as the display, and includes a dielectric layer, a ground conductor disposed on one side of the dielectric layer, and a radiating conductor disposed on the other side of the dielectric layer. The ground conductor is disposed on the surface of the dielectric layer on the side near the circuit board, and is connected to the ground potential of the circuit board. The radiating conductor is disposed on the surface of the dielectric layer on the side far from the circuit board, and is connected to the signal potential of the circuit board.

5. 发明授权

US11145950B2 Electronic timepiece 有权
公开(公告)号：US11145950B2
公开(公告)日：2021-10-12
申请号：US16537669
申请日：2019-08-12
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa
IPC分类号： H01Q1/22 , H01Q1/42 , G04G17/06 , G04G17/04 , G04G21/04
摘要： Provided is technology improving antenna sensitivity. An electronic timepiece has: an antenna having a planar first electrode, a planar second electrode disposed to a position superimposed with the first electrode in plan view when seen from a first direction perpendicular to the first electrode, and a shorting member that shorts the first electrode and second electrode; and a planar conductor disposed in plan view to a position superimposed with the first electrode. The second electrode is disposed between the first electrode and the conductor in a side view from a second direction perpendicular to the first direction, and a connector electrically connects the second electrode and conductor.

6. 发明授权

US10424833B2 Electronic apparatus 有权
公开(公告)号：US10424833B2
公开(公告)日：2019-09-24
申请号：US16248586
申请日：2019-01-15
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa , Masayuki Ikeda
IPC分类号： H01Q1/27 , H01Q1/24 , H01Q7/00 , G04G21/04 , G04R60/10
摘要： An electronic apparatus includes a display; and an antenna including a first element without power feeding that is a structural component made of metal and is disposed on the display or above a display surface of the display in a display direction, a second element which is disposed below the first element and is connected to a power supply, and a GND plate that is disposed below the second element, wherein the first element and the second element are electromagnetically coupled.

7. 发明授权

US10673143B2 Antenna structure, portable electronic device, and frequency adjustment method of antenna structure 审中-公开
公开(公告)号：US10673143B2
公开(公告)日：2020-06-02
申请号：US15875426
申请日：2018-01-19
申请人： SEIKO EPSON CORPORATION
发明人： Seiji Osawa , Tadashi Aizawa
IPC分类号： H01Q9/42 , H01Q9/04 , H01Q1/24 , H01Q1/27 , G04R60/10 , H01Q1/38
摘要： An antenna structure (GPS antenna) includes a plate-shaped conductor element (antenna electrode), a plate-shaped element (circuit board) including a ground conductor portion disposed so as to overlap the conductor element in plan view, and a skeletal resin frame for frequency adjustment disposed between the conductor element and the ground conductor portion.

8. 发明申请

US20180069304A1 ELECTRONIC APPARATUS 审中-公开
公开(公告)号：US20180069304A1
公开(公告)日：2018-03-08
申请号：US15799742
申请日：2017-10-31
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa , Masayuki Ikeda
IPC分类号： H01Q1/27 , H01Q7/00 , G04R60/10 , H01Q1/24 , G04G21/04
CPC分类号： H01Q1/273 , G04G21/04 , G04R60/10 , H01Q1/241 , H01Q7/00
摘要： An electronic apparatus includes a display; and an antenna including a first element without power feeding that is a structural component made of metal and is disposed on the display or above a display surface of the display in a display direction, a second element which is disposed below the first element and is connected to a power supply, and a GND plate that is disposed below the second element, wherein the first element and the second element are electromagnetically coupled.

9. 发明申请

US20150338831A1 Electronic Device 审中-公开
标题翻译：电子设备
公开(公告)号：US20150338831A1
公开(公告)日：2015-11-26
申请号：US14819134
申请日：2015-08-05
申请人： Seiko Epson Corporation
发明人： Tadashi Aizawa , Masayuki Ikeda
IPC分类号： G04R60/10
CPC分类号： G04B47/00 , G04R60/10
摘要： A small electronic device enables improving transmission and reception performance with stable operation. An example of the electronic device is an electronic wristwatch having a display; a circuit board disposed on one side of the display; an antenna is disposed on the opposite side of the circuit board as the display, and includes a dielectric layer, a ground conductor disposed on one side of the dielectric layer, and a radiating conductor disposed on the other side of the dielectric layer. The ground conductor is disposed on the surface of the dielectric layer on the side near the circuit board, and is connected to the ground potential of the circuit board. The radiating conductor is disposed on the surface of the dielectric layer on the side far from the circuit board, and is connected to the signal potential of the circuit board.
摘要翻译：小型电子装置可以稳定运行，提高发射和接收性能。电子设备的示例是具有显示器的电子手表; 布置在显示器一侧的电路板; 天线设置在电路板的与显示器相反的一侧上，并且包括介质层，布置在电介质层一侧的接地导体和布置在电介质层另一侧的辐射导体。接地导体设置在电路板附近一侧的电介质层的表面上，并连接到电路板的接地电位。辐射导体设置在电介质层的远离电路板的一侧的表面上，并与电路板的信号电位相连。

10. 发明授权

US11351806B2 Electromagnetic wave generator, ink dryer, and ink jet printer 有权
公开(公告)号：US11351806B2
公开(公告)日：2022-06-07
申请号：US16913542
申请日：2020-06-26
申请人： SEIKO EPSON CORPORATION
发明人： Tadashi Aizawa
IPC分类号： B41M7/00 , B41J11/00 , B41F31/02 , F26B3/347
摘要： Provided is an electromagnetic wave generator including: an electromagnetic wave generation section that generates an electromagnetic wave; a high-frequency voltage generation section that generates a voltage applied to the electromagnetic wave generation section; and a transmission line that electrically couples the electromagnetic wave generation section and the high-frequency voltage generation section to each other, in which the electromagnetic wave generation section includes a first electrode, a second electrode, a first conductor that electrically couples the first electrode and the transmission line to each other, and a second conductor that electrically couples the second electrode and the transmission line to each other, one of the first electrode or the second electrode is a reference potential electrode to which a reference potential is applied and the other is a high-frequency electrode to which a high-frequency voltage is applied, a minimum separation distance between the first electrode and the second electrode is 1/10 or less of a wavelength of an output electromagnetic wave, a minimum separation distance between the first conductor and the second conductor is 1/10 or less of a wavelength of an output electromagnetic wave, and the first conductor further includes a coil, and the coil is closer to the first electrode than the transmission line.

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