{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8526659","patent":{"patent_number":"US-8526659","title":"Earphone and acoustic transducer","assignee":null,"inventors":[],"filing_date":"2011-10-06T00:00:00.000Z","publication_date":"2013-09-03T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R"],"num_claims":7,"abstract":"An earphone includes an earphone casing inside which a sound path that guides sound to a sound discharging hole is formed, and an acoustic transducer disposed inside the earphone casing. The acoustic transducer includes an accommodation casing having accommodated therein a yoke on which paired magnets disposed so as to face each other are mounted, a coil to which a driving current is supplied, an armature provided with a vibrating part vibrating when the driving current is supplied to the coil, the vibrating part being disposed between the paired magnets, and a diaphragm coupled to the vibrating part of the armature, a sound output hole is formed on a surface that faces a vibration surface of the diaphragm in the accommodation casing, and the acoustic transducer has the sound output hole disposed in the earphone casing so that the sound output hole is acoustically coupled to the sound path."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Earphone and acoustic transducer","description":"An earphone includes an earphone casing inside which a sound path that guides sound to a sound discharging hole is formed, and an acoustic transducer disposed inside the earphone casing. The acoustic ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8526659","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-8526659","citation_suggestion":"Patentable. \"Earphone and acoustic transducer\" (US-8526659). https://patentable.app/patents/US-8526659","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8526659","json":"https://patentable.app/api/llm-context/US-8526659","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:07:48.475Z"}