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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

After the fourth RF signal is received by the interrogator, the fourth RF signal may be processed in any suitable way in furtherance of determining a distance between the interrogator and the target device. For example, the fourth RF signal may be processed by the circuitry in the interrogator in accordance with any of the ways described herein including with reference to FIGS. 8A-8D and 11A-11B. In some embodiments, for example, the fourth RF signal may be mixed with a frequency-multiplied version of first RF signal to produce a mixed RF signal, which mixed RF signal may be used to determine the distance between the interrogator and the target device. It should be appreciated, however, that the fourth RF signal is not limited to being used solely for determining the distance between the interrogator and the target device and may be used for any other suitable purpose, as aspects of the technology described herein are not limited in this respect.

As discussed above, the inventors recognized the benefits of developing relatively low cost, small footprint micro-localization components afforded by chip-scale technologies. Unlike conventional designs that are typically too complex for chip-scale production, the designs developed by the inventors facilitate the ability to manufacture components of a micro-localization system using semiconductor fabrication processes. According to some embodiments, interrogator devices and target devices are manufactured as chip-scale products, some examples of which are described in further detail below.

權(quán)利要求

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