{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9731554","patent":{"patent_number":"US-9731554","title":"Enclosure expansion type virtual engine sound system and vehicle using the same","assignee":null,"inventors":[],"filing_date":"2016-08-03T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":17,"abstract":"An enclosure expansion type virtual engine sound system is provided. The system includes an enclosure case having a case enclosure accommodating a speaker to which a virtual engine sound is output and an enclosure back beam with an internal space divided into a speaker enclosure and a expanded enclosure as an extended space of the case enclosure for low band amplification of the engine sound and a space in which the engine sound is output in three directions. Accordingly, the enclosure back beam implements a low band amplification function in addition to a crash absorbing function. The engine sound is output in three directions through an internal space of the enclosure back beam, thereby solving a space restriction of a narrow engine room while satisfying regulations of the speaker."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Enclosure expansion type virtual engine sound system and vehicle using the same","description":"An enclosure expansion type virtual engine sound system is provided. The system includes an enclosure case having a case enclosure accommodating a speaker to which a virtual engine sound is output and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9731554","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-9731554","citation_suggestion":"Patentable. \"Enclosure expansion type virtual engine sound system and vehicle using the same\" (US-9731554). https://patentable.app/patents/US-9731554","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9731554","json":"https://patentable.app/api/llm-context/US-9731554","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:00:06.056Z"}