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

專利號
US11177554B2
公開日期
2021-11-16
申請人
Humatics Corporation（US MA Waltham）
發(fā)明人
Gregory L. Charvat; David A. Mindell
IPC分類
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.

說明書

In some embodiments, the circuitry shown within block 1452 may be implemented as integrated circuitry integrated with a semiconductor die. However, in other embodiments, one or more components within block 1452 may be implemented not on a semi-conductor die (e.g., as a discrete component on a PCB) and/or one or more components not within block 1452 may be implemented as integrated circuitry on a semiconductor die (e.g., loop filter 1332).

It should be appreciated that the receive-only interrogator 1404 does not include either transmit circuitry or a transmit antenna. As discussed above, this may reduce the cost of manufacturing, the size, and the power consumption of the receive-only interrogator relative to an interrogator device that performs both transmit and receive functions.

FIG. 14B is a block diagram of an illustrative localization system 1430 comprising multiple synchronized (e.g., phase coherent) interrogators including master interrogator 1432 and three receive-only interrogators 1434, 1436, 1438. Although there are three receive-only interrogators shown in the illustrative embodiment of FIG. 14B, in other embodiments, a localization system may include any suitable number (e.g., one, two, four, five, six, seven, eight, nine, ten, etc.) of receive-only interrogators synchronized with master interrogator 1432. In addition, although in the illustrated embodiment of FIG. 14B each of the interrogators 1434, 1436, and 1438 is a receive-only interrogator, in other embodiments, any of the interrogators 1434, 1436, and 1438 may be capable of transmitting and receiving RF signals, but may be configured to operate in a receive-only mode.

權(quán)利要求

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