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公开(公告)号:US10009069B2
公开(公告)日:2018-06-26
申请号:US14569024
申请日:2014-12-12
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gommë , Steven Thoen , Johan Van Ginderdeuren
IPC: H04B5/00 , H02J5/00 , G08C17/04 , H04B5/02 , H04B13/00 , G08C17/02 , H02J50/12 , H02J7/02 , A61B5/00
CPC classification number: H04B5/0037 , A61B5/002 , G08C17/02 , G08C17/04 , H02J5/005 , H02J7/025 , H02J50/12 , H04B5/0012 , H04B5/0081 , H04B5/0093 , H04B5/02 , H04B13/005
Abstract: An electromagnetic induction wireless transceiver system including: a magnetic antenna; an electric antenna including first and second plates, the first plate being connectable to a body; and a power driver configured to produce a modulating signal used to drive the magnetic antenna and the electric antenna to produce electromagnetic induction fields, wherein the transceiver when connected to a body in a first location is configured to transmit power to a second electromagnetic induction wireless transceiver connected to a second location a distance from the first location, wherein the first and second locations are connected through magnetic and electric near-field coupling.
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公开(公告)号:US09941937B1
公开(公告)日:2018-04-10
申请号:US15482895
申请日:2017-04-10
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gommé
IPC: H04B5/00 , H04B1/3827
CPC classification number: H04B5/0081 , H01Q1/273 , H01Q7/08 , H04B1/385 , H04B5/0031
Abstract: Example near-field electromagnetic induction (NFEMI) antenna, including: an electric antenna having a first surface and a second surface; a magnetic antenna having a first, second and third coils; a first feeding connection coupled to one end of the first coil and the first surface; a second feeding connection coupled to another end of the first coil and coupled to one end of the second coil; wherein another end of the second coil is coupled to one end of the third coil; wherein another end of the third coil is coupled to the second surface; wherein the first, second and third coils are configured to carry a time varying current from the first and second feeding connections in a same direction; wherein the first and second coils are configured to have a first coupling coefficient; and wherein the first and third coils are configured to have a second coupling coefficient.
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公开(公告)号:US09819097B2
公开(公告)日:2017-11-14
申请号:US14836681
申请日:2015-08-26
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gomme
CPC classification number: H01Q21/0006 , H01Q1/273 , H01Q7/08 , H01Q9/285 , H04B5/0031 , H04B5/0087
Abstract: A near-field electromagnetic induction antenna including: an electric antenna including a plate; a first feeding connection and a second feeding connection; and a magnetic antenna including a first coil and a second coil, wherein the first coil and the second coil are mutually coupled, wherein a first connection of the first coil is connected to the first feeding connection, wherein a second connection of the first coil and a first connection of the second coil is connected to the second feeding connection, and wherein a second connection of the second coil is connected to the plate.
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公开(公告)号:US20170288731A1
公开(公告)日:2017-10-05
申请号:US15090933
申请日:2016-04-05
Applicant: NXP B.V.
Inventor: Anthony Kerselaers
CPC classification number: H04B5/0031 , H01Q1/273 , H04B5/0081 , H04B13/00 , H04B13/005 , H04H40/45
Abstract: One example discloses a communications device, including: a bio-antenna conducting surface configured to receive a set of bio-antenna modulated broadcast signals; wherein the conducting surface is configured to receive the set of bio-antenna modulated broadcast signals through a capacitively coupling; a broadcast receiver coupled to the conducting surface; and wherein the conducting surface is configured to pass the broadcast signals to the broadcast receiver.
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公开(公告)号:US09570810B2
公开(公告)日:2017-02-14
申请号:US14266470
申请日:2014-04-30
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gomme
CPC classification number: H01Q13/106 , H01Q1/3275 , H01Q1/38 , H01Q9/32 , H01Q25/00
Abstract: The invention provides an antenna which has two feed ports and two conductor areas. Where the two areas face each other, there is a set of interdigitated arms and slots. These define a shape with two open slots (one on each side) extending from the two feed points, and a central closed slot.
Abstract translation: 本发明提供一种具有两个馈电端口和两个导体区域的天线。 两个地区相互面对的地方,有一套交叉的手臂和插槽。 这些形状具有从两个进给点延伸的两个开放槽(每侧一个)和中央封闭槽的形状。
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公开(公告)号:US20150365779A1
公开(公告)日:2015-12-17
申请号:US14302791
申请日:2014-06-12
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gommé
CPC classification number: H04W4/80 , H01Q9/0442 , H04W4/00
Abstract: A electromagnetic induction wireless communication system including: a magnetic antenna; an electric antenna; a tuning capacitor coupled to the magnetic antenna configured to tune the magnetic antenna; a controller configured to control the operation of the communication system; a signal source coupled to the controller configured to produce a communication signal used to drive the magnetic antenna and the electric antenna; a voltage control unit coupled to the signal source configured to produce one of an amplitude difference, phase difference, and an amplitude and a phase difference between the communication signal used to drive the magnetic antenna and electric antenna.
Abstract translation: 一种电磁感应无线通信系统,包括:磁性天线; 电天线; 耦合到配置成调谐磁性天线的磁性天线的调谐电容器; 控制器,被配置为控制所述通信系统的操作; 耦合到所述控制器的信号源,被配置为产生用于驱动所述磁性天线和所述电天线的通信信号; 耦合到信号源的电压控制单元,被配置为产生振幅差,相位差以及用于驱动磁性天线的通信信号和电天线之间的幅度和相位差之一。
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公开(公告)号:US20130257676A1
公开(公告)日:2013-10-03
申请号:US13758257
申请日:2013-02-04
Applicant: NXP B.V.
Inventor: Anthony Kerselaers , Liesbeth Gommé
IPC: H01Q1/50
Abstract: Presented is radio frequency antenna circuit for portable and/or compact electronic devices. Embodiments comprise an antenna connected to an unbalanced current feeding arrangement. The unbalanced feeding arrangement may generate common mode currents which increase the overall radiation resistance and efficiency of the antenna circuit.
Abstract translation: 提出了用于便携式和/或紧凑型电子设备的射频天线电路。 实施例包括连接到不平衡电流馈送装置的天线。 不平衡馈电装置可以产生共模电流,这增加了天线电路的整体辐射电阻和效率。
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公开(公告)号:US20220393722A1
公开(公告)日:2022-12-08
申请号:US17339022
申请日:2021-06-04
Applicant: NXP B.V.
Inventor: Liesbeth Gommé , Anthony Kerselaers
IPC: H04B5/00 , H04W76/14 , H04L27/32 , H04B17/318
Abstract: One example discloses a first near-field device, including: a controller configured to establish a near-field communications link with a second near-field device; wherein the controller is configured to monitor a characteristic of the near-field communications link; wherein the controller is configured to select a first modulation encoding for transmitting a near-field signal if the characteristic is greater than a first characteristic threshold; and wherein the controller is configured to select a second modulation encoding for transmitting the near-field signal if the characteristic is less than the first characteristic threshold but greater than a second characteristic threshold.
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公开(公告)号:US11502728B2
公开(公告)日:2022-11-15
申请号:US16545207
申请日:2019-08-20
Applicant: NXP B.V.
Inventor: Liesbeth Gommé , Anthony Kerselaers
IPC: H04B5/00 , G01D5/20 , H04B17/318
Abstract: One example discloses a wireless device, including: a first near-field device, including a near-field transmitter or receiver and a controller, configured to be coupled to a first conductive surface; wherein the near-field receiver includes a set of tuning values configured to either set a near-field resonance frequency or an operational bandwidth of the first near-field device; wherein the controller is configured to change at least one of the tuning values in response to a change in a distance between the first surface and a second conductive surface; and wherein the controller is configured to calculate the distance, between the first conductive surface and the second conductive surface, based on the at least one of the tuning values.
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公开(公告)号:US11368193B2
公开(公告)日:2022-06-21
申请号:US16781050
申请日:2020-02-04
Applicant: NXP B.V.
Inventor: Liesbeth Gommé , Anthony Kerselaers
Abstract: One example discloses a device including a near-field electromagnetic induction (NFEMI) antenna, including: a first inductive coil having a first end coupled to a first feed connection and a second end coupled to a second feed connection; a second inductive coil, having a first end coupled to either end of the first inductive coil or either one of the feed connections; wherein a second end of the second inductive coil is electrically open-ended; wherein the first inductive coil is configured to receive or transmit near-field magnetic signals; and wherein the second inductive coil is configured to receive or transmit near-field electric signals.
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