{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9787121","patent":{"patent_number":"US-9787121","title":"Power supply control method and portable electronic device using the same","assignee":null,"inventors":[],"filing_date":"2015-07-03T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["G06F","G06F","H02J","H02J","H02J","H02J","H02J"],"num_claims":10,"abstract":"A power supply control method and a portable electronic device using the same are provided. The power supply control method includes following steps: detecting an input voltage and an input current at a power input terminal of the portable electronic device; setting a plurality of detection loads sequentially to control a power adaptor to provide a detection current as the input current for the portable electronic device respectively; calculating an equivalent input impedance of the power input terminal according to the detection current and the corresponding input voltage; calculating an actual output voltage of the power adaptor according to the equivalent input impedance, the input voltage, and the input current; and setting a work load according to the actual output voltage to control the power adaptor to provide a work current as the input current for the portable electronic device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power supply control method and portable electronic device using the same","description":"A power supply control method and a portable electronic device using the same are provided. The power supply control method includes following steps: detecting an input voltage and an input current at","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9787121","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-9787121","citation_suggestion":"Patentable. \"Power supply control method and portable electronic device using the same\" (US-9787121). https://patentable.app/patents/US-9787121","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9787121","json":"https://patentable.app/api/llm-context/US-9787121","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:32:14.812Z"}