{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9674021","patent":{"patent_number":"US-9674021","title":"Apparatus and method for sending and receiving broadcast signals","assignee":null,"inventors":[],"filing_date":"2014-12-03T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H04L","G06F","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":12,"abstract":"Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved Coding and Modulation) module configured to perform error correction processing on data of the DP; a frame building module configured to map the data of the DP to symbols within a frame; an OFDM generation module configured to generate a transmission signal by inserting a preamble into the frame and performing OFDM modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the OFDM generation module."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and method for sending and receiving broadcast signals","description":"Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one Data Pipe (DP); a BICM (Bit Interleaved","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9674021","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-9674021","citation_suggestion":"Patentable. \"Apparatus and method for sending and receiving broadcast signals\" (US-9674021). https://patentable.app/patents/US-9674021","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9674021","json":"https://patentable.app/api/llm-context/US-9674021","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:39:09.043Z"}