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

專利號(hào)
US11177554B2
公開日期
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
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

At act 1722, the system performing process 1700 may determine the distance between the receive-only interrogator and the target device using the second mixed RF signal obtained at act 1716. This may be done in any suitable way including in any of the ways described above with reference to act 1720.

Finally, at act 1724, the system performing process 1700 may determine a location of the target device using the distance between the master interrogator and the target device determined at act 1720 and the distance between the receive-only interrogator and the target device determined at act 1722. This may be done in any suitable way and, for example, using least-squares techniques. The processing of act 1724 may be performed by the master interrogator (in embodiments where the master interrogator contains a processor), by an external processor external to the master interrogator, or any suitable combination thereof.

權(quán)利要求

1
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