{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9716389","patent":{"patent_number":"US-9716389","title":"Power feeding system, power feeding device, and power feeding method","assignee":null,"inventors":[],"filing_date":"2014-09-24T00:00:00.000Z","publication_date":"2017-07-25T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J"],"num_claims":18,"abstract":"A power feeding system (100) includes a power feeding device (1) and a power receiving device (2). The power feeding device (1) includes: a drive transistor (13) connected to a feeding coil (11); a drive signal generation section (30) configured to generate a drive signal for driving the feeding coil (11); a crest value variation detection section (40) configured to detect the change in the resonant state of the resonant circuit (20) as a periodic waveform variation in a voltage excited in the feeding coil (11); and a drive control section (50) configured to determine whether or not electric power is suppliable to the power receiving device (2) based on the periodic waveform variation, and control to whether or not to continuously supply the drive signal to the drive transistor (13) based on a result of the determination."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power feeding system, power feeding device, and power feeding method","description":"A power feeding system (100) includes a power feeding device (1) and a power receiving device (2). The power feeding device (1) includes: a drive transistor (13) connected to a feeding coil (11); a dr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9716389","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-9716389","citation_suggestion":"Patentable. \"Power feeding system, power feeding device, and power feeding method\" (US-9716389). https://patentable.app/patents/US-9716389","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9716389","json":"https://patentable.app/api/llm-context/US-9716389","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:54:25.159Z"}