{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8538047","patent":{"patent_number":"US-8538047","title":"Digital sound projector","assignee":null,"inventors":[],"filing_date":"2010-12-01T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04R"],"num_claims":20,"abstract":"The present disclosure provides a digital sound projector including a first flat speaker, a second flat speaker, a connecting device and a signal input device. The connecting device pivotally connects the first flat speaker and the second flat speaker to form an angle between a surface of the first flat speaker and a surface of the second flat speaker. The angle is larger than 0 degrees and smaller than 180 degrees. The signal input device inputs electrical signals to each of the first and the second flat speakers."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital sound projector","description":"The present disclosure provides a digital sound projector including a first flat speaker, a second flat speaker, a connecting device and a signal input device. The connecting device pivotally connects","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8538047","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-8538047","citation_suggestion":"Patentable. \"Digital sound projector\" (US-8538047). https://patentable.app/patents/US-8538047","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8538047","json":"https://patentable.app/api/llm-context/US-8538047","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:55:17.858Z"}