{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716386","patent":{"patent_number":"US-9716386","title":"Contactless power supply system","assignee":null,"inventors":[],"filing_date":"2014-03-05T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J"],"num_claims":8,"abstract":"In a contactless power supply system 10 having a secondary coil 13 receiving electric power generated from a primary coil 12 to be connected to a high-frequency power source 11, and a resonance coil 14 arranged in direct contact with the secondary coil 13 in between the primary coil 12 and the secondary coil 13, respective planarly-viewed areas of the secondary and the resonance coils 13, 14 are equal to or smaller than a planarly-viewed area of the primary coil 12, the primary coil 12 is formed by planarly and spirally winding a first litz wire 25, the resonance coil 14 is formed by tandemly winding coils 27, 28 in a double layer, the coils 27, 28 being formed by planarly and spirally winding a second litz wire 26, and the secondary coil 13 is formed by parallelly arranging and planarly and spirally winding third litz wires 29, 29a. "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Contactless power supply system","description":"In a contactless power supply system 10 having a secondary coil 13 receiving electric power generated from a primary coil 12 to be connected to a high-frequency power source 11, and a resonance coil 1","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716386","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-9716386","citation_suggestion":"Patentable. \"Contactless power supply system\" (US-9716386). https://patentable.app/patents/US-9716386","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716386","json":"https://patentable.app/api/llm-context/US-9716386","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:54:34.094Z"}