{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9704643","patent":{"patent_number":"US-9704643","title":"Contactless power transmission device, and power feeder and power receiver for use in the same","assignee":null,"inventors":[],"filing_date":"2014-03-06T00:00:00.000Z","publication_date":"2017-07-11T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H04B","H02J","H02J","H04B","H04B"],"num_claims":11,"abstract":"A power feeder of a contactless power transmission device includes a housing base member, a primary coil provided on the housing base member and configured to generate magnetic flux, a cover attached to the housing base member and configured to cover the primary coil, a capacitance sensor including a detection electrode between the primary coil and the cover, and configured to detect foreign matter around the cover based on a change in capacitance detected using the detection electrode, and a high-dielectric member embedded in the cover and having a permittivity higher than that of a material for the cover."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Contactless power transmission device, and power feeder and power receiver for use in the same","description":"A power feeder of a contactless power transmission device includes a housing base member, a primary coil provided on the housing base member and configured to generate magnetic flux, a cover attached ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9704643","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-9704643","citation_suggestion":"Patentable. \"Contactless power transmission device, and power feeder and power receiver for use in the same\" (US-9704643). https://patentable.app/patents/US-9704643","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9704643","json":"https://patentable.app/api/llm-context/US-9704643","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:56:07.954Z"}