{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9838777","patent":{"patent_number":"US-9838777","title":"Headphone and acoustic characteristic adjustment method","assignee":null,"inventors":[],"filing_date":"2014-09-17T00:00:00.000Z","publication_date":"2017-12-05T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":21,"abstract":"[Object] To make it possible to further improve acoustic characteristics.[Solution] There is provided a headphone including: a driver unit including a vibration plate; a housing configured to house the driver unit, to form an air-tightened front air chamber of which a part except for an opening for sound output is spatially blocked from the outside on a front side on which the vibration plate of the driver unit is provided, and to form a rear air chamber that has a predetermined capacity on a rear side that is the opposite side to the front side; and an acoustic tube provided in a partial region of a partition wall of the housing that constitutes the rear air chamber and configured to spatially connect the rear air chamber and the outside of the housing through a tube."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Headphone and acoustic characteristic adjustment method","description":"[Object] To make it possible to further improve acoustic characteristics.[Solution] There is provided a headphone including: a driver unit including a vibration plate; a housing configured to house th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9838777","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-9838777","citation_suggestion":"Patentable. \"Headphone and acoustic characteristic adjustment method\" (US-9838777). https://patentable.app/patents/US-9838777","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9838777","json":"https://patentable.app/api/llm-context/US-9838777","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:35:04.393Z"}