{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9800221","patent":{"patent_number":"US-9800221","title":"Embedded speaker protection for automotive audio power amplifier","assignee":null,"inventors":[],"filing_date":"2016-11-18T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R"],"num_claims":20,"abstract":"A circuit can be used in a speaker system. The circuit includes an amplifier with an output configured to be coupled to a speaker. An offset comparator has an input coupled the output of the amplifier and is configured to provide an offset control signal. A digital circuit has a first input coupled to an output of the offset comparator, a second input configured to receive an amplifier control signal, a third input configured to receive a play control signal, and an output configured to provide a forced mute signal that can be used to control the amplifier."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Embedded speaker protection for automotive audio power amplifier","description":"A circuit can be used in a speaker system. The circuit includes an amplifier with an output configured to be coupled to a speaker. An offset comparator has an input coupled the output of the amplifier","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9800221","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-9800221","citation_suggestion":"Patentable. \"Embedded speaker protection for automotive audio power amplifier\" (US-9800221). https://patentable.app/patents/US-9800221","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9800221","json":"https://patentable.app/api/llm-context/US-9800221","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:16:22.204Z"}