{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9796284","patent":{"patent_number":"US-9796284","title":"Wireless power supply system and power transmission device","assignee":null,"inventors":[],"filing_date":"2014-02-25T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J"],"num_claims":3,"abstract":"A wireless power supply system includes a power transmission device having a power transmission coil and a power receiving device having a power receiving coil. The power transmission coil transmits electric power to the power receiving coil via a wireless connection, so as to supply the electric power to a battery installed in the power receiving device. The power transmission device controls electric power supplied to the power transmission coil according to a transmission power command value. The power receiving device calculates a power transmission efficiency based on the electric power supplied to the electrical load and the transmission power command value and stops supplying the electric power when the power transmission efficiency falls to a threshold efficiency or less. The power transmission device regulates the output power when a current flowing through the power transmission coil exceeds a threshold current."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wireless power supply system and power transmission device","description":"A wireless power supply system includes a power transmission device having a power transmission coil and a power receiving device having a power receiving coil. The power transmission coil transmits e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9796284","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-9796284","citation_suggestion":"Patentable. \"Wireless power supply system and power transmission device\" (US-9796284). https://patentable.app/patents/US-9796284","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9796284","json":"https://patentable.app/api/llm-context/US-9796284","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:39:00.150Z"}