{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8531252","patent":{"patent_number":"US-8531252","title":"Antenna duplexer and communication apparatus employing the same","assignee":null,"inventors":[],"filing_date":"2008-07-08T00:00:00.000Z","publication_date":"2013-09-10T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":15,"abstract":"A small antenna duplexer that includes antenna terminal, first filter electrically connected to this antenna terminal and passing a first frequency band, second filter electrically connected to antenna terminal and passing a second frequency band, and third filter electrically connected to antenna terminal and passing a third frequency band. First filter and third filter are used for one band, and second filter and third filter are used for another band."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Antenna duplexer and communication apparatus employing the same","description":"A small antenna duplexer that includes antenna terminal, first filter electrically connected to this antenna terminal and passing a first frequency band, second filter electrically connected to antenn","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8531252","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-8531252","citation_suggestion":"Patentable. \"Antenna duplexer and communication apparatus employing the same\" (US-8531252). https://patentable.app/patents/US-8531252","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8531252","json":"https://patentable.app/api/llm-context/US-8531252","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T06:59:52.661Z"}