{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9841805","patent":{"patent_number":"US-9841805","title":"Power management circuit and electronic device employing the same","assignee":null,"inventors":[],"filing_date":"2015-07-14T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F"],"num_claims":12,"abstract":"A power management circuit that controls a plurality of power circuits for generating supply voltages at least for a processor is disclosed. The circuit includes: a real time clock that generates clock signals with a predetermined frequency; a power-on terminal to which a power-on key is connected, wherein the power-on terminal receives a voltage whose level depends on whether the power-on key is pressed or not; a power-on detecting unit that monitors a voltage at the power-on terminal and asserts a start signal if it is determined using the clock signals that the power-on key is pressed and held for a predetermined time period; and a power management controller that receives a system voltage based on a battery voltage or a DC voltage from a DC power source and, upon the start signal is asserted, starts up the plurality of power circuits in a predetermined sequence using the clock signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power management circuit and electronic device employing the same","description":"A power management circuit that controls a plurality of power circuits for generating supply voltages at least for a processor is disclosed. The circuit includes: a real time clock that generates cloc","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9841805","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-9841805","citation_suggestion":"Patentable. \"Power management circuit and electronic device employing the same\" (US-9841805). https://patentable.app/patents/US-9841805","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9841805","json":"https://patentable.app/api/llm-context/US-9841805","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:21:50.435Z"}