{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9815380","patent":{"patent_number":"US-9815380","title":"Power supply device, power receiving device, and charging system","assignee":null,"inventors":[],"filing_date":"2014-03-24T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J"],"num_claims":14,"abstract":"Power supply device is provided with the following: a power supply unit (121) that includes a spiral coil or a solenoid coil; a frequency characteristic acquisition unit (211) that acquires the frequency characteristics of the efficiency of the supply of power from the power supply unit to the power receiving device; a peak determining unit (212) that determines peaks in the frequency characteristics of the efficiency of power supply; and a drive frequency determination unit (213) that, if two peaks have been found, determines as the drive frequency used for supplying power a frequency near the frequency that is the lower of the frequencies of the two peaks, with the lower frequency being given priority over a frequency near the higher frequency."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power supply device, power receiving device, and charging system","description":"Power supply device is provided with the following: a power supply unit (121) that includes a spiral coil or a solenoid coil; a frequency characteristic acquisition unit (211) that acquires the freque","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9815380","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-9815380","citation_suggestion":"Patentable. \"Power supply device, power receiving device, and charging system\" (US-9815380). https://patentable.app/patents/US-9815380","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9815380","json":"https://patentable.app/api/llm-context/US-9815380","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:51:55.467Z"}