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公开(公告)号：US20220028597A1
公开(公告)日：2022-01-27
申请号：US17495849
申请日：2021-10-07
发明人： Hideaki KOBAYASHI , Kentaro MIKAWA
摘要： A circuit element includes a multilayer body including insulating substrates, a first coil conductor inside the multilayer body, and first and second outer electrodes and a ground electrode on outer surfaces of the multilayer body. The first coil conductor includes a winding axis extending in a stacking direction of the insulating substrates, the first coil conductor is connected to the first outer electrode, the second outer electrode, or the ground electrode, and the second outer electrode extends along a side surface of the multilayer body. An additional capacitance is generated between the second outer electrode and the first coil conductor. The second outer electrode includes first and second portions with different widths in a layer direction of the insulating substrates and the width of the second portion is larger than the width of the first portion.
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公开(公告)号：US20210335533A1
公开(公告)日：2021-10-28
申请号：US17368903
申请日：2021-07-07
发明人： Kentaro MIKAWA , Hideaki KOBAYASHI
摘要： In a coil device, a first coil includes a common terminal side first coil conductor connected to a ground terminal, an intermediate first coil conductor, and an input/output terminal side first coil conductor connected to a first input/output terminal, and a second coil includes a common terminal side second coil conductor connected to the ground terminal, an intermediate second coil conductor, and an input/output terminal side second coil conductor connected to a second input/output terminal. The input/output terminal side first coil conductor is located between the intermediate second coil conductor and the input/output terminal side second coil conductor, and the input/output terminal side second coil conductor is located between the intermediate first coil conductor and the input/output terminal side first coil conductor.
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公开(公告)号：US20200328496A1
公开(公告)日：2020-10-15
申请号：US16912746
申请日：2020-06-26
IPC分类号： H01Q1/22 , H04B1/7075 , H03H7/40
摘要： An antenna apparatus includes an antenna element, a switch with a common terminal that is electrically connected to the antenna element side, a first signal path provided between a first input/output terminal of the switch and a first communication circuit, and a second signal path provided between a second input/output terminal of the switch and a second communication circuit. The first signal path includes a radio-frequency circuit and a phase shifter, and the RF circuit has an impedance that is open or shorted in a second frequency band as seen from the antenna element side. In a state in which the first input/output terminal and the second input/output terminal are both electrically connected to the common terminal, the phase shifter provides a phase shift, and the impedance in the second frequency band of the first signal path as seen from the common terminal is open.
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公开(公告)号：US20170194933A1
公开(公告)日：2017-07-06
申请号：US15465630
申请日：2017-03-22
IPC分类号： H03H9/17
CPC分类号： H03H9/173 , H03H3/02 , H03H9/02228 , H03H9/0547 , H03H9/175
摘要： A piezoelectric module includes a piezoelectric thin film, a fixing layer, and a support substrate. The piezoelectric thin film is supported by the support substrate with the fixing layer in between. Functional conductors are provided on a surface of the piezoelectric thin film. A void is provided in the fixing layer to include a region overlapping with the functional conductors. A conductor pattern defining a circuit element is provided in a region of the void on a surface of the support substrate on the fixing layer side.
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公开(公告)号：US20210351757A1
公开(公告)日：2021-11-11
申请号：US17356572
申请日：2021-06-24
IPC分类号： H03H7/01
摘要： An LC composite component includes a multilayer body including insulating base members that are laminated and include insulating base members on which conductor patterns are provided. Capacitor conductor patterns are provided on insulating base members different from an insulating base member on which a coil conductor pattern is provided, and each include an extending portion overlapping with a line segment connecting a center of a first terminal and a center of a second terminal in a shortest distance as viewed in the lamination direction and projecting portions projecting in directions different from the direction of the line segment, and the projecting portions overlap with linear portions of the coil conductor pattern without overlapping with bent portions thereof as viewed in the lamination direction.
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公开(公告)号：US20180294544A1
公开(公告)日：2018-10-11
申请号：US16006881
申请日：2018-06-13
摘要： An antenna device includes a coil antenna including a coil conductor wound around a coil opening, and a planar conductor including a surface facing a portion of the coil opening and a portion of an area including the coil conductor. A minimum separation distance between the coil opening and the planar conductor in a direction perpendicular or substantially perpendicular to the planar conductor is larger than a minimum separation distance between the coil conductor and the planar conductor in the same direction. The planar conductor includes a first region that overlaps the coil opening and a third region that overlaps an outer edge of the coil conductor in plan view of the coil opening, and the first region includes a recessed portion that is recessed in a direction away from the coil conductor.
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