{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11527920","patent":{"patent_number":"US-11527920","title":"Enhanced foreign object detection with coil current sensing in wireless power transfer systems","assignee":null,"inventors":[],"filing_date":"2019-05-03T00:00:00.000Z","publication_date":"2022-12-13T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J"],"num_claims":19,"abstract":"Embodiments described herein provide foreign object detection based on coil current sensing. The transmitter power loss is computed directly based on the coil current, in conjunction with, or in place of the conventional computation based on transmitter input current. The enhanced precision of the computer power loss can be used to more accurately detect a foreign object near the transmitter coil during a wireless power transfer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Enhanced foreign object detection with coil current sensing in wireless power transfer systems","description":"Embodiments described herein provide foreign object detection based on coil current sensing. The transmitter power loss is computed directly based on the coil current, in conjunction with, or in place","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11527920","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-11527920","citation_suggestion":"Patentable. \"Enhanced foreign object detection with coil current sensing in wireless power transfer systems\" (US-11527920). https://patentable.app/patents/US-11527920","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11527920","json":"https://patentable.app/api/llm-context/US-11527920","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:22:31.686Z"}