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Chip-scale radio-frequency localization devices and associated systems and methods

專(zhuān)利號(hào)
US11177554B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
Humatics Corporation(US MA Waltham)
發(fā)明人
Gregory L. Charvat; David A. Mindell
IPC分類(lèi)
H01Q1/22; G01S13/87; H01Q1/52; H01Q3/36; H01Q9/04; H01Q9/27; G01S5/14; H01Q1/38; H01Q9/26; H04B5/00; H04W4/02; H04W56/00; H01Q1/24; H01Q5/10; G01S5/02; H04W64/00; G01S11/02
技術(shù)領(lǐng)域
rf,antenna,frequency,target,signals,transmit,receive,signal,may,circuitry
地域: MA MA Waltham

摘要

A device comprising: a substrate; a semiconductor die mounted on the substrate; a transmit antenna fabricated on the substrate and configured to transmit radio-frequency (RF) signals at least at a first center frequency; a receive antenna fabricated on the substrate and configured to receive RF signals at least at a second center frequency different than the first center frequency; and circuitry integrated with the semiconductor die and configured to provide RF signals to the transmit antenna and to receive RF signals from the receive antenna.

說(shuō)明書(shū)

FIG. 14C is a block diagram of a receive-only interrogator device part of the illustrative localization system of FIG. 14A, in accordance with some embodiments of the technology described herein.

FIG. 14D is a block diagram of a receive-only interrogator device part of the illustrative localization system of FIG. 14B, in accordance with some embodiments of the technology described herein.

FIG. 15 is a flowchart of an illustrative process for determining the location of a target device using measurements made by at least two interrogator devices, in accordance with some embodiments of the technology described herein.

FIG. 16 is a flowchart of an illustrative process for making distance measurements using an interrogator device configured to transmit RF signals circularly polarized in one rotational direction and receive RF signals circularly polarized in another rotational direction, in accordance with some embodiments of the technology described herein.

FIG. 17 is a flowchart of an illustrative process for determining the location of a target device using multiple synchronized interrogator devices including at least one master interrogator device and a receive-only interrogator device, in accordance with some embodiments of the technology described herein.

DETAILED DESCRIPTION

權(quán)利要求

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