{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8519678","patent":{"patent_number":"US-8519678","title":"Solar battery charging controller","assignee":null,"inventors":[],"filing_date":"2011-09-06T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H02J"],"num_claims":10,"abstract":"Battery charging circuitry is provided. A charge controller receives electrical energy from a photovoltaic panel. A first timer provides a stream of clock pulses. A second timer is triggered by the clock pulses and generates a pulse-width modulated (PWM) signal. A duty cycle of the PWM signal is determined by way of comparing a time-varying capacitor voltage to a signal derived from a storage battery voltage. Transfer of electrical energy from the photovoltaic panel to the storage battery is regulated by a shunting element using the PWM signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Solar battery charging controller","description":"Battery charging circuitry is provided. A charge controller receives electrical energy from a photovoltaic panel. A first timer provides a stream of clock pulses. A second timer is triggered by the cl","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8519678","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-8519678","citation_suggestion":"Patentable. \"Solar battery charging controller\" (US-8519678). https://patentable.app/patents/US-8519678","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8519678","json":"https://patentable.app/api/llm-context/US-8519678","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:16:02.801Z"}