{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9691048","patent":{"patent_number":"US-9691048","title":"Photoconductive multi-resonator chipless RFID","assignee":null,"inventors":[],"filing_date":"2015-12-22T00:00:00.000Z","publication_date":"2017-06-27T00:00:00.000Z","cpc_codes":["G06Q","G06K","G06K"],"num_claims":20,"abstract":"A chipless RFID transponder is disclosed. The transponder comprises an antenna and a plurality of resonant structures that together define a spectral signature of the RFID transponder. Each of the resonant structures comprises conductive portions separated by interstitial regions. A reversible photoconductive material is disposed in the interstitial regions of the resonant structures between the conductive portions. The photoconductive material is positioned so as to shift the spectral signature of the RFID when exposed to radiation."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Photoconductive multi-resonator chipless RFID","description":"A chipless RFID transponder is disclosed. The transponder comprises an antenna and a plurality of resonant structures that together define a spectral signature of the RFID transponder. Each of the res","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9691048","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-9691048","citation_suggestion":"Patentable. \"Photoconductive multi-resonator chipless RFID\" (US-9691048). https://patentable.app/patents/US-9691048","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9691048","json":"https://patentable.app/api/llm-context/US-9691048","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T17:28:49.162Z"}