{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8502413","patent":{"patent_number":"US-8502413","title":"Composite power supply","assignee":null,"inventors":[],"filing_date":"2010-07-07T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["H02J","G06F","H02J","H02J","H02J"],"num_claims":1,"abstract":"A composite power supply includes a plurality of power cluster lines, at least one USB port and at least one DC port formed on a surface of a casing, and the power cluster lines, the USB port and the DC port are electrically connected to a circuit board and the circuit board includes a plug-and-play circuit electrically connected to the USB port and provided for an electronic device to access electric power through the USB port, so as to waive the inconvenience of booting a computer before using the electric power, and the circuit board includes a DC-DC conversion circuit electrically connected to the DC port, and a knob or a multi-stage switch in the DC-DC conversion circuit is provided for adjusting the output voltage of the power ports to improve the convenience of the application significantly."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Composite power supply","description":"A composite power supply includes a plurality of power cluster lines, at least one USB port and at least one DC port formed on a surface of a casing, and the power cluster lines, the USB port and the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8502413","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-8502413","citation_suggestion":"Patentable. \"Composite power supply\" (US-8502413). https://patentable.app/patents/US-8502413","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8502413","json":"https://patentable.app/api/llm-context/US-8502413","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:06:31.425Z"}