{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9722544","patent":{"patent_number":"US-9722544","title":"Audio system having an improved efficiency and extended operation time","assignee":null,"inventors":[],"filing_date":"2016-12-02T00:00:00.000Z","publication_date":"2017-08-01T00:00:00.000Z","cpc_codes":["H04R","H04R"],"num_claims":20,"abstract":"Embodiments of the disclosure may include a method and apparatus for improving the efficiency and extending the operation time between recharges or replacement batteries of a portable audio delivery system. The audio delivery system may include a processor, an audio processing device, a speaker, and a rechargeable power source. The audio delivery system is generally configured to generate and/or receive an audio input signal and efficiently deliver an amplified, high quality audio output signal to a user. In some embodiments of the disclosure, the audio processing device of the audio delivery system may include a switch mode power supply (SMPS), a signal delay element, an envelope detector, and a switching signal amplifier."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Audio system having an improved efficiency and extended operation time","description":"Embodiments of the disclosure may include a method and apparatus for improving the efficiency and extending the operation time between recharges or replacement batteries of a portable audio delivery s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9722544","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-9722544","citation_suggestion":"Patentable. \"Audio system having an improved efficiency and extended operation time\" (US-9722544). https://patentable.app/patents/US-9722544","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9722544","json":"https://patentable.app/api/llm-context/US-9722544","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T18:31:13.090Z"}