{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9658293","patent":{"patent_number":"US-9658293","title":"Power supply unit, vehicle and storage battery unit equipped with power supply unit, and remaining capacity detecting method of battery","assignee":null,"inventors":[],"filing_date":"2013-02-23T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["H02J"],"num_claims":4,"abstract":"A power supply unit comprises a battery, current and voltage detecting portions, and a remaining capacity computing portion. The remaining capacity computing portion comprises a first computing portion computing a first open circuit terminal voltage based on current and voltage values from the current and voltage detecting portions, and computing a first remaining capacity based on the first open circuit terminal voltage, a second computing portion computing a second open circuit terminal voltage based on the current and voltage values, an ohmic resistance voltage drop and a polarization resistance voltage drop, and computing a second remaining capacity based on the second open circuit terminal voltage, a third computing portion calculating a third remaining capacity based on an integrated value by integrating the current, and a main computing portion computing a real remaining capacity of the battery based on the first and/or third remaining capacity, and the second remaining capacity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power supply unit, vehicle and storage battery unit equipped with power supply unit, and remaining capacity detecting method of battery","description":"A power supply unit comprises a battery, current and voltage detecting portions, and a remaining capacity computing portion. The remaining capacity computing portion comprises a first computing portio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9658293","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-9658293","citation_suggestion":"Patentable. \"Power supply unit, vehicle and storage battery unit equipped with power supply unit, and remaining capacity detecting method of battery\" (US-9658293). https://patentable.app/patents/US-9658293","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9658293","json":"https://patentable.app/api/llm-context/US-9658293","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:26:21.362Z"}