{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11936209","patent":{"patent_number":"US-11936209","title":"Foreign substance detection method for wireless charging and apparatus therefor","assignee":null,"inventors":[],"filing_date":"2023-03-09T00:00:00.000Z","publication_date":"2024-03-19T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H04B","H04B"],"num_claims":10,"abstract":"A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to communication between the wireless power transmitter and the wireless power receiver; determining a reference frequency for detecting the foreign object based on a reference peak frequency received from the wireless power receiver; and determining that the foreign object is present within the charging area based on the current peak frequency, the communication error count and the reference frequency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Foreign substance detection method for wireless charging and apparatus therefor","description":"A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11936209","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-11936209","citation_suggestion":"Patentable. \"Foreign substance detection method for wireless charging and apparatus therefor\" (US-11936209). https://patentable.app/patents/US-11936209","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11936209","json":"https://patentable.app/api/llm-context/US-11936209","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:32:52.804Z"}