{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9654865","patent":{"patent_number":"US-9654865","title":"Earphone","assignee":null,"inventors":[],"filing_date":"2014-08-26T00:00:00.000Z","publication_date":"2017-05-16T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R"],"num_claims":11,"abstract":"Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the auxiliary structure comprises a front cover and a housing; a front acoustic cavity is defined as a space between the front cover and the loudspeaker unit, and a rear acoustic cavity is defined as a space between the housing and the loudspeaker unit; an acoustic guide channel capable of enhancing low-frequency performance of the earphone is disposed on one side of an inner sidewall of the housing closer to the loudspeaker unit; the acoustic guide channel comprises an open end and a closed end, and a bottom wall of the acoustic guide channel is provided with a plurality of through holes at a position closer to the closed end. An earphone with this structure improves low-frequency and middle-frequency sound effects of products, and makes the earphone have a good appearance."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Earphone","description":"Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the auxiliary structure comprises a front cover","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9654865","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-9654865","citation_suggestion":"Patentable. \"Earphone\" (US-9654865). https://patentable.app/patents/US-9654865","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9654865","json":"https://patentable.app/api/llm-context/US-9654865","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:17:40.138Z"}