Near-field communications device
    2.
    发明授权

    公开(公告)号:US11677151B2

    公开(公告)日:2023-06-13

    申请号:US17017731

    申请日:2020-09-11

    Applicant: NXP B.V.

    CPC classification number: H01Q7/005 H01Q7/08 H04B5/0031 H04B5/0037

    Abstract: One example discloses a near-field device, including: a near-field magnetic antenna, including a coil, configured to receive or transmit near-field magnetic signals; a near-field electric antenna configured to receive or transmit near-field electric signals; and a set of electrical components, electrically coupled to the near-field magnetic antenna and the near-field electric antenna; wherein at least one of: the coil of the near-field magnetic antenna, or a conductive surface of the near-field electric antenna, forms a boundary around the set of electrical components.

    Variable ratio near field wireless device

    公开(公告)号:US11418235B2

    公开(公告)日:2022-08-16

    申请号:US17093858

    申请日:2020-11-10

    Applicant: NXP B.V.

    Abstract: One example discloses a near-field wireless device, including: a controller configured to be coupled to a near-field antenna; wherein the near-field antenna includes, a near-field electric antenna configured to transmit and/or receive near-field electric (E) signals; and a near-field magnetic antenna configured to transmit and/or receive near-field magnetic (H) signals; a conductivity monitor configured to determine a conductivity of a medium proximate to the near-field device; wherein the controller is configured to modulate an E/H ratio of fields generated by and/or received from the near-field electric (E) antenna and the near-field magnetic (H) antenna based on the conductivity of the medium.

    NEAR-FIELD COMMUNICATIONS DEVICE
    4.
    发明申请

    公开(公告)号:US20220085504A1

    公开(公告)日:2022-03-17

    申请号:US17017731

    申请日:2020-09-11

    Applicant: NXP B.V.

    Abstract: One example discloses a near-field device, including: a near-field magnetic antenna, including a coil, configured to receive or transmit near-field magnetic signals; a near-field electric antenna configured to receive or transmit near-field electric signals; and a set of electrical components, electrically coupled to the near-field magnetic antenna and the near-field electric antenna; wherein at least one of: the coil of the near-field magnetic antenna, or a conductive surface of the near-field electric antenna, forms a boundary around the set of electrical components.

    NEAR-FIELD ELECTROMAGNETIC INDUCTION (NFEMI) ANTENNA

    公开(公告)号:US20210242908A1

    公开(公告)日:2021-08-05

    申请号:US16781050

    申请日:2020-02-04

    Applicant: NXP B.V.

    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.

    Vehicle radio interference sensor

    公开(公告)号:US11038605B1

    公开(公告)日:2021-06-15

    申请号:US16775203

    申请日:2020-01-28

    Applicant: NXP B.V.

    Abstract: An interference sensor device is disclosed. The interference sensor device includes a first conductive plate and a second conductive plate aligned parallel to the first conductive plate. A non-conductive matter is included between the first conductive plate and the second conductive plate. A band pass filter is coupled with the first conductive plate and the second conductive plate. The band pass filter includes a sensor coil. A current transformer having a primary side and a secondary side is included. The primary side is coupled with the band pass filter, and the secondary side is configured to be coupled with a cable. The current transformer having a high capacitive isolation.

    Near-field device including multiple conductive plates

    公开(公告)号:US10812126B1

    公开(公告)日:2020-10-20

    申请号:US16577101

    申请日:2019-09-20

    Applicant: NXP B.V.

    Abstract: One example discloses a near-field device, including: an electric (E-Field) antenna including a first conductive plate and a second conductive plate responsive to non-propagating quasi-static electric near-field signals; wherein the electric antenna is configured to be coupled to a transceiver circuit; a substrate configured to be worn by a user; wherein the first conductive plate is located on a first side of the substrate configured to face away from the user; and wherein the second conductive plate is located on a second side of the substrate configured to face toward the user.

    Near-field electromagnetic induction device

    公开(公告)号:US10763921B1

    公开(公告)日:2020-09-01

    申请号:US16567242

    申请日:2019-09-11

    Applicant: NXP B.V.

    Abstract: One example discloses a near-field electromagnetic induction (NFEMI) device, including: a near-field magnetic antenna having an inductive coil responsive to near-field magnetic signals; wherein the near-field magnetic antenna is configured to be coupled to a tuning circuit having a variable capacitance adjusting a resonance frequency of the NFEMI device and variable resistance adjusting a bandwidth of the NFEMI device; and a near-field electric antenna having a set of conductive surfaces; wherein the near-field electric antenna is configured to be directly connected to a receiver circuit.

    MULTI-BAND, SHARK FIN ANTENNA FOR V2X COMMUNICATIONS

    公开(公告)号:US20200028248A1

    公开(公告)日:2020-01-23

    申请号:US16039277

    申请日:2018-07-18

    Abstract: A multi-band antenna suitable for use by vehicles has ports for Wi-Fi and DSRC signals, cellular signals, and GPS signals. A base substrate forms a ground plane, and a shark-fin shaped radiating substrate is transversely aligned with the base substrate. On a first side of the radiating substrate there is a first conductive feed strip with a vertical extending portion that is galvanically connected to the first port, and a second conductive feed strip that is galvanically connected to the second port. On a second side of the radiating substrate there is a first wide-slot that is capacitively coupled to the first and second feed strips, is galvanically connected to the base conductor, and overlaps with at least the extending-portion of the first feed strip. There also is a second wide-slot on the second side that extends from a back edge to a location between the first and second ports.

    NEAR-FIELD ELECTROMAGNETIC INDUCTION (NFEMI) ANTENNA

    公开(公告)号:US20200006851A1

    公开(公告)日:2020-01-02

    申请号:US16023916

    申请日:2018-06-29

    Applicant: NXP B.V.

    Abstract: One example discloses a near-field electromagnetic induction (NFEMI) antenna device, having: a coil, having first and second coupling points, configured to generate and/or receive a magnetic (H-field) near-field signal; a conductive structure having first and second coupling points separated by a distance; first and second feed points configured to carry a current from a transmitter and/or to a receiver circuit; wherein the first coupling point of the conductive structure is coupled to the first feed point and wherein the second coupling point of the conductive structure is coupled to the first coupling point of the coil; wherein the second coupling point of the coil is coupled to the second feed point; and wherein the conductive structure is configured to generate an electric (E-field) near-field in response to the current flowing over the distance between the first and second coupling points of the conductive structure.

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