{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9830807","patent":{"patent_number":"US-9830807","title":"Acoustic alarm detector","assignee":null,"inventors":[],"filing_date":"2016-07-07T00:00:00.000Z","publication_date":"2017-11-28T00:00:00.000Z","cpc_codes":["G10L","H04R"],"num_claims":15,"abstract":"An audible alarm detector constituted of: a microphone generating an electronic signal from an audible signal; a phase locked loop locking onto a frequency component present in the generated electronic signal to output a demodulated signal; and a pattern detector for comparing the demodulated signal against each template of a known set of templates, each template representing a standard pulse stream, wherein upon detection that the demodulated signal matches one of the known templates, the audible alarm detector is arranged to output an alarm detected signal indicating a presence of one of the standard pulse streams."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Acoustic alarm detector","description":"An audible alarm detector constituted of: a microphone generating an electronic signal from an audible signal; a phase locked loop locking onto a frequency component present in the generated electroni","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9830807","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-9830807","citation_suggestion":"Patentable. \"Acoustic alarm detector\" (US-9830807). https://patentable.app/patents/US-9830807","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9830807","json":"https://patentable.app/api/llm-context/US-9830807","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:17:27.656Z"}