{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11264971","patent":{"patent_number":"US-11264971","title":"Multiplexer, radio frequency circuit, and communication device","assignee":null,"inventors":[],"filing_date":"2019-11-14T00:00:00.000Z","publication_date":"2022-03-01T00:00:00.000Z","cpc_codes":["H04B","H04B","H04B","H04W"],"num_claims":16,"abstract":"A multiplexer includes a filter (10) arranged between a common terminal and an input/output terminal (110) and configured to pass a radio frequency signal in a first frequency band, and a filter (20) arranged between the common terminal and an input/output terminal (120) and configured to pass a radio frequency signal in a second frequency band. The filter includes series arm circuits (31 and 32) connected in series, a series arm circuit (33) connected in parallel to the series arm circuit (32), and a parallel arm circuit. The series arm circuit (32) includes a series arm resonator that is an acoustic wave resonator. The series arm circuit (33) includes a switch arranged on a second path connecting nodes. In a CA mode, the switch is OFF. In a non-CA mode, the switch is ON."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Multiplexer, radio frequency circuit, and communication device","description":"A multiplexer includes a filter (10) arranged between a common terminal and an input/output terminal (110) and configured to pass a radio frequency signal in a first frequency band, and a filter (20) ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11264971","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-11264971","citation_suggestion":"Patentable. \"Multiplexer, radio frequency circuit, and communication device\" (US-11264971). https://patentable.app/patents/US-11264971","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11264971","json":"https://patentable.app/api/llm-context/US-11264971","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:43:12.253Z"}