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公开(公告)号：US12301276B2
公开(公告)日：2025-05-13
申请号：US17554922
申请日：2021-12-17
Applicant: Texas Instruments Incorporated
Inventor： Tomas Motos , Thomas Almholt
Abstract: A method is provided. In some examples, the method includes generating, by processing circuitry, a spread of chips representing an input bit. In addition, the method includes converting, by the processing circuitry, the spread of chips to a plurality of symbols comprising a pair of symbols. The method also includes mapping, by the processing circuitry, the pair of symbols to a single carrier signal and generating, by the processing circuitry, a radio-frequency (RF) signal based on the single carrier signal. The method further includes transmitting, by the processing circuitry via an antenna, the RF signal.
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公开(公告)号：US11082042B2
公开(公告)日：2021-08-03
申请号：US16855040
申请日：2020-04-22
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Thomas Almholt
IPC: H03K17/955 , H03K17/95 , G06F3/044 , G06F3/046
Abstract: A material-discerning sensing device includes an antenna, a capacitive proximity sensor, and a control circuit. The antenna includes multiple conductive loops and is configured to radiate a wireless signal. The antenna defines an interior region devoid of the conductive loops and an exterior region outside the conductive loops. The capacitive proximity sensor includes a conductive pattern provided within the interior region or within a projection of the interior region, as well as a conductive bar. The control circuit is configured to detect a change in a characteristic of an electrical signal from the capacitive sensor. The conductive pattern includes a longitudinal portion, a first plurality of parallel conductors extending away from the longitudinal portion in a first direction and orthogonal to the longitudinal portion, and a second plurality of parallel conductors extending away from the longitudinal portion in a second direction opposite the first direction.
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公开(公告)号：US20220255580A1
公开(公告)日：2022-08-11
申请号：US17554922
申请日：2021-12-17
Applicant: Texas Instruments Incorporated
Inventor： Tomas Motos , Thomas Almholt
Abstract: A method is provided. In some examples, the method includes generating, by processing circuitry, a spread of chips representing an input bit. In addition, the method includes converting, by the processing circuitry, the spread of chips to a plurality of symbols comprising a pair of symbols. The method also includes mapping, by the processing circuitry, the pair of symbols to a single carrier signal and generating, by the processing circuitry, a radio-frequency (RF) signal based on the single carrier signal. The method further includes transmitting, by the processing circuitry via an antenna, the RF signal.
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