{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9674604","patent":{"patent_number":"US-9674604","title":"Dual cartridge directional microphone","assignee":null,"inventors":[],"filing_date":"2016-01-22T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R"],"num_claims":20,"abstract":"The invention relates to a microphone (10). A first (14a) and a second (14b) diaphragm are provided in a housing (12). A first chamber (24a) is delimited by a first side of the first diaphragm (14a) and an inner surface of the housing (12). A first opening (18a) extends from the first chamber (24a) to surroundings of the microphone (10). A second chamber (24b) is delimited by a first side of the second diaphragm (14b) and an inner surface of the housing (12). A second opening (18b) extends from the second chamber (24b) to the surroundings. A common chamber (22) is delimited by a second side of the first diaphragm (14a), a second side of the second diaphragm (14b) and an inner surface of the housing (12). A third opening (20) extends from the common chamber (22) to the surroundings."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Dual cartridge directional microphone","description":"The invention relates to a microphone (10). A first (14a) and a second (14b) diaphragm are provided in a housing (12). A first chamber (24a) is delimited by a first side of the first diaphragm (14a) a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9674604","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-9674604","citation_suggestion":"Patentable. \"Dual cartridge directional microphone\" (US-9674604). https://patentable.app/patents/US-9674604","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9674604","json":"https://patentable.app/api/llm-context/US-9674604","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:57:03.205Z"}