{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488828","patent":{"patent_number":"US-8488828","title":"Unidirectional condenser microphone unit","assignee":null,"inventors":[],"filing_date":"2011-04-11T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R"],"num_claims":6,"abstract":"A unidirectional condenser microphone unit includes a unit casing formed of a metallic cylindrical body and having a front acoustic terminal on a front surface thereof and a rear acoustic terminal on a side surface thereof, an electrostatic acousto-electric converter disposed inside the unit casing, and a shield member put on the rear acoustic terminal from an inside of the unit casing in a cylindrical shape. The shield member has a length approximately equal to an inner periphery length of the unit casing and a width covering the rear acoustic terminal. Also, the shield member is formed of a metal plate having spring elasticity, and includes a large number of holes for electromagnetic shield substantially throughout the entire surface thereof."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Unidirectional condenser microphone unit","description":"A unidirectional condenser microphone unit includes a unit casing formed of a metallic cylindrical body and having a front acoustic terminal on a front surface thereof and a rear acoustic terminal on ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488828","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-8488828","citation_suggestion":"Patentable. \"Unidirectional condenser microphone unit\" (US-8488828). https://patentable.app/patents/US-8488828","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488828","json":"https://patentable.app/api/llm-context/US-8488828","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:50:50.230Z"}