{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9661420","patent":{"patent_number":"US-9661420","title":"Moving coil motor arrangement with a sound outlet for reducing magnetic particle ingress in transducers","assignee":null,"inventors":[],"filing_date":"2014-08-19T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":19,"abstract":"An electromechanical transducer including a magnetic circuit having a magnet configured to generate a magnetic field and a magnetic gap into which a voice coil associated with a diaphragm is at least partially inserted, the magnetic field having a primary flux component and a secondary flux component. The transducer further including a housing positioned around the magnetic circuit, the housing having an acoustic spout whose sound outlet opening is positioned outside of a portion of the magnetic field that is dominated by the primary flux component. A transducer including an enclosure having a top wall, a bottom wall, at least one side wall connecting the top wall to the bottom wall and an acoustic spout extending from the top wall or the bottom wall, a diaphragm, a voice coil and a magnet assembly having a ring magnet and a gap within which the voice coil is positioned."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Moving coil motor arrangement with a sound outlet for reducing magnetic particle ingress in transducers","description":"An electromechanical transducer including a magnetic circuit having a magnet configured to generate a magnetic field and a magnetic gap into which a voice coil associated with a diaphragm is at least ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9661420","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-9661420","citation_suggestion":"Patentable. \"Moving coil motor arrangement with a sound outlet for reducing magnetic particle ingress in transducers\" (US-9661420). https://patentable.app/patents/US-9661420","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9661420","json":"https://patentable.app/api/llm-context/US-9661420","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:41:44.794Z"}