{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11979031","patent":{"patent_number":"US-11979031","title":"Device for transmitting power contactlessly through resonant inductive coupling for recharging a motor vehicle","assignee":null,"inventors":[],"filing_date":"2020-03-13T00:00:00.000Z","publication_date":"2024-05-07T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J"],"num_claims":19,"abstract":"Transmitter or receiver resonant circuit for carrying out contactless power transmission via resonant inductive coupling to a receiver or transmitter resonant circuit, comprising a first capacitance and a first winding, the first winding comprising an inductance and a first resistance, the transmitter resonant circuit comprising a second capacitance of value C2′ and a second winding, the second winding comprising a second inductance of value L2′ and a second resistance of value R2′, the transmitter resonant circuit having a natural angular frequency u>2 such that w2=1/V(L2′×C2′) and a natural frequency f2 such that f2=w2/(2π), characterized in that the value of the second inductance varies in a predetermined manner."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Device for transmitting power contactlessly through resonant inductive coupling for recharging a motor vehicle","description":"Transmitter or receiver resonant circuit for carrying out contactless power transmission via resonant inductive coupling to a receiver or transmitter resonant circuit, comprising a first capacitance a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11979031","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-11979031","citation_suggestion":"Patentable. \"Device for transmitting power contactlessly through resonant inductive coupling for recharging a motor vehicle\" (US-11979031). https://patentable.app/patents/US-11979031","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11979031","json":"https://patentable.app/api/llm-context/US-11979031","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T16:51:18.242Z"}