{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9838798","patent":{"patent_number":"US-9838798","title":"Long stroke speaker","assignee":null,"inventors":[],"filing_date":"2016-10-17T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R"],"num_claims":10,"abstract":"A long stroke speaker is provided in the present disclosure. The long stroke speaker includes a shell having a receiving space, a first vibration system and a second vibration system connected with the shell respectively, and at least one magnetic circuit system. The receiving space comprises a first acoustic cavity and a second acoustic cavity communicated with each other. The magnetic circuit system(s) is(are) disposed in the first acoustic cavity and/or the second acoustic cavity. The vibration direction of the first vibration system intersects with the vibration direction of the second vibration system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Long stroke speaker","description":"A long stroke speaker is provided in the present disclosure. The long stroke speaker includes a shell having a receiving space, a first vibration system and a second vibration system connected with th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9838798","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-9838798","citation_suggestion":"Patentable. \"Long stroke speaker\" (US-9838798). https://patentable.app/patents/US-9838798","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9838798","json":"https://patentable.app/api/llm-context/US-9838798","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:08:09.515Z"}