{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11974078","patent":{"patent_number":"US-11974078","title":"Digital signage by optical communication and supplemental downlink device and method using LED illumination","assignee":null,"inventors":[],"filing_date":"2023-02-23T00:00:00.000Z","publication_date":"2024-04-30T00:00:00.000Z","cpc_codes":["H04N","G06F","H04B","H04L","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":17,"abstract":"In the present application, for a detailed protocol for realizing supplemental downlink communication in the filed patent, particularly, a system is proposed which performs training processing at high speed by using two-dimensionally developed information. In the present application, compared to the filed patent, a two-dimensional pilot symbol can be used in a display unit, further, introduction of a segment for communication band control using a two-dimensional pilot symbol, training processing using a two-dimensional test pattern for establishing a communication path, and a configuration of a communication frame are clarified, and MIMO processing of communication using video information by a plurality of segments is realized to improve a throughput of an existing portable phone."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital signage by optical communication and supplemental downlink device and method using LED illumination","description":"In the present application, for a detailed protocol for realizing supplemental downlink communication in the filed patent, particularly, a system is proposed which performs training processing at high","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11974078","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-11974078","citation_suggestion":"Patentable. \"Digital signage by optical communication and supplemental downlink device and method using LED illumination\" (US-11974078). https://patentable.app/patents/US-11974078","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11974078","json":"https://patentable.app/api/llm-context/US-11974078","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:00:37.430Z"}