{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11281957","patent":{"patent_number":"US-11281957","title":"Systems, methods, and media for multi-antenna, directional backscatter tags","assignee":null,"inventors":[],"filing_date":"2021-03-18T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G06K","H04W","G06K","G06K","G06K","H04B","H04B"],"num_claims":10,"abstract":"Backscatter tags, comprising: antennas; single pole, multiple throw switches each switch (S) having pole terminal connected to one of the antennas, and each having first throw terminal (TT) connected to first side (FS) of inductor (I) for S, second TT connected to FS of capacitor (C) for S, third TT connected to fixed voltage level (FVL), fourth TT that is floating, wherein second side (SS) of I and SS of C are connected to the FVL; power combiner (PC) having inputs connected to fifth TT of each of two of the switches; power detector (PD) having an input connected to output of PC; analog to digital converter (ADC) having input connected to output of PD; hardware processor coupled to output of the ADC and coupled to control terminal of each of the switches."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Systems, methods, and media for multi-antenna, directional backscatter tags","description":"Backscatter tags, comprising: antennas; single pole, multiple throw switches each switch (S) having pole terminal connected to one of the antennas, and each having first throw terminal (TT) connected ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11281957","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11281957","citation_suggestion":"Patentable. \"Systems, methods, and media for multi-antenna, directional backscatter tags\" (US-11281957). https://patentable.app/patents/US-11281957","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11281957","json":"https://patentable.app/api/llm-context/US-11281957","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:28:09.763Z"}