{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11523222","patent":{"patent_number":"US-11523222","title":"Flat speaker and vehicle including the same","assignee":null,"inventors":[],"filing_date":"2021-04-30T00:00:00.000Z","publication_date":"2022-12-06T00:00:00.000Z","cpc_codes":["H04R","H04R","H04R","H04R","H04R","H04R"],"num_claims":20,"abstract":"A flat speaker includes a plurality of horizontal frames provided on a substrate and dividing the substrate into a plurality of rows, a plurality of vertical frames provided on the substrate and dividing each of the plurality of rows into a plurality of columns, a plurality of piezoelectric elements provided on each side of the plurality of vertical frames and configured to contract and expand according to a voltage signal, a plurality of electrodes configured to apply the voltage signal to the piezoelectric elements, and a controller configured to control the voltage signal applied to the plurality of electrodes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Flat speaker and vehicle including the same","description":"A flat speaker includes a plurality of horizontal frames provided on a substrate and dividing the substrate into a plurality of rows, a plurality of vertical frames provided on the substrate and divid","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11523222","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-11523222","citation_suggestion":"Patentable. \"Flat speaker and vehicle including the same\" (US-11523222). https://patentable.app/patents/US-11523222","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11523222","json":"https://patentable.app/api/llm-context/US-11523222","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T12:45:27.232Z"}