{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774925","patent":{"patent_number":"US-9774925","title":"Broadcast signal transmitting apparatus, broadcast signal receiving method, broadcast signal transmitting method, and broadcast signal receiving apparatus","assignee":null,"inventors":[],"filing_date":"2017-01-30T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H04N","H04L","H04L","H04L","H04L","H04N","H04N","H04N","H04N","H04N","H04N","H04L"],"num_claims":16,"abstract":"A method for transmitting a broadcast signal, the method includes encoding data pipe (DP) data corresponding to each of a plurality of DPs; mapping the encoded DP data to data symbols to generate at least one signal frame; modulating data in the at least one signal frame using an orthogonal frequency division multiplex (OFDM) scheme; inserting a preamble at a beginning of each of the at least one signal frame in a time domain; and transmitting a broadcast signal having the preamble and the modulated data of the at least one signal frame, wherein the preamble includes a wake-up indicator which wakes up a receiver to decode a DP for an emergency alert table (EAT) and acquire the EAT."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Broadcast signal transmitting apparatus, broadcast signal receiving method, broadcast signal transmitting method, and broadcast signal receiving apparatus","description":"A method for transmitting a broadcast signal, the method includes encoding data pipe (DP) data corresponding to each of a plurality of DPs; mapping the encoded DP data to data symbols to generate at l","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774925","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-9774925","citation_suggestion":"Patentable. \"Broadcast signal transmitting apparatus, broadcast signal receiving method, broadcast signal transmitting method, and broadcast signal receiving apparatus\" (US-9774925). https://patentable.app/patents/US-9774925","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774925","json":"https://patentable.app/api/llm-context/US-9774925","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:22:01.669Z"}