{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542865","patent":{"patent_number":"US-8542865","title":"Transducer motor structure and inside-only voice coil for use in loudspeakers","assignee":null,"inventors":[],"filing_date":"2008-03-10T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["H04R"],"num_claims":6,"abstract":"An electromechanical transducer 180, motor structure 200 and voice coil winding support structure or bobbin 210 are configured to protect and transport heat away from a voice coil 220 which is would solely within the interior of bobbin 210 and configured for reciprocating movement in close proximity to an extended cooling pole piece 204. A compact, economical and efficient adaptation of a pancake style motor includes generous volume for a powerful magnet 208, while providing an extended, linear range of excursion and continuous cooling for the generously overhung voice coil 220. "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Transducer motor structure and inside-only voice coil for use in loudspeakers","description":"An electromechanical transducer 180, motor structure 200 and voice coil winding support structure or bobbin 210 are configured to protect and transport heat away from a voice coil 220 which is would s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542865","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-8542865","citation_suggestion":"Patentable. \"Transducer motor structure and inside-only voice coil for use in loudspeakers\" (US-8542865). https://patentable.app/patents/US-8542865","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542865","json":"https://patentable.app/api/llm-context/US-8542865","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:50:24.929Z"}