{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11955938","patent":{"patent_number":"US-11955938","title":"Acoustic output device and acoustic output method","assignee":null,"inventors":[],"filing_date":"2020-09-11T00:00:00.000Z","publication_date":"2024-04-09T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R"],"num_claims":7,"abstract":"Proposed is an acoustic output device that obtains enough distance attenuation to achieve localization of a sound field by controlling the driving of a loudspeaker array by use of a more compact shape. The acoustic output device 10 comprises: a loudspeaker array 20 that includes a plurality of loudspeakers 20-1, 20-2, . . . , 20-N arranged in a two-dimensional plane; and an amplifier array 40 that includes a plurality of amplifiers 40-1, 40-2, . . . , 40-N that control the amplitude and phase of the drive signals for each loudspeaker according to the eigenvectors of the predetermined radiation mode of the loudspeaker array 20. "},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Acoustic output device and acoustic output method","description":"Proposed is an acoustic output device that obtains enough distance attenuation to achieve localization of a sound field by controlling the driving of a loudspeaker array by use of a more compact shape","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11955938","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-11955938","citation_suggestion":"Patentable. \"Acoustic output device and acoustic output method\" (US-11955938). https://patentable.app/patents/US-11955938","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11955938","json":"https://patentable.app/api/llm-context/US-11955938","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:15:54.616Z"}