{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-12009567","patent":{"patent_number":"US-12009567","title":"Directional coupler, radio communication device, and control method","assignee":null,"inventors":[],"filing_date":"2020-02-17T00:00:00.000Z","publication_date":"2024-06-11T00:00:00.000Z","cpc_codes":["H04B","H04B"],"num_claims":18,"abstract":"A directional coupler is provided that includes a primary line that transmits signals from a first terminal to a second terminal; a secondary line that gets coupled with the primary line and draws some of the signals into a third terminal; a first switching unit that switches the connection destination of the third terminal between one end of the secondary line and the other end thereof; a first impedance regulating unit that is installed in between one end of the secondary line and the ground, and that changes the impedance according to the frequency of the signals; a second impedance regulating unit that is installed in between the other end of the secondary line and the ground, and changes the impedance according to the frequency of the signals; and a resonance circuit that is installed in between the first switching unit and the third terminal, and that changes the impedance of the third terminal according to the frequency of the signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Directional coupler, radio communication device, and control method","description":"A directional coupler is provided that includes a primary line that transmits signals from a first terminal to a second terminal; a secondary line that gets coupled with the primary line and draws som","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-12009567","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-12009567","citation_suggestion":"Patentable. \"Directional coupler, radio communication device, and control method\" (US-12009567). https://patentable.app/patents/US-12009567","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-12009567","json":"https://patentable.app/api/llm-context/US-12009567","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:18:43.325Z"}