{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749172","patent":{"patent_number":"US-9749172","title":"Calibration method and calibration apparatus for calibrating mismatch between first signal path and second signal path of transmitter/receiver","assignee":null,"inventors":[],"filing_date":"2015-05-28T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["H04L","H04B","H04B","H04L"],"num_claims":10,"abstract":"A method for calibrating mismatches of an in-phase signal path and a quadrature signal path of a receiver is proposed in the present invention, including: utilizing the receiver to receive at least one test signal with a specific frequency via the first signal path and the second signal path, to generate a first signal path received signal and a second signal path received signal; performing frequency analysis upon the first signal path received signal and the second signal path received signal respectively, to generate a first frequency analysis result and a second frequency analysis result; and calculating at least one calibration coefficient according to the first frequency analysis result and the second frequency analysis result. A method for calibrating mismatches of an in-phase signal path and a quadrature signal path of a transmitter is also proposed in the present invention."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Calibration method and calibration apparatus for calibrating mismatch between first signal path and second signal path of transmitter/receiver","description":"A method for calibrating mismatches of an in-phase signal path and a quadrature signal path of a receiver is proposed in the present invention, including: utilizing the receiver to receive at least on","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749172","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-9749172","citation_suggestion":"Patentable. \"Calibration method and calibration apparatus for calibrating mismatch between first signal path and second signal path of transmitter/receiver\" (US-9749172). https://patentable.app/patents/US-9749172","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749172","json":"https://patentable.app/api/llm-context/US-9749172","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:15:32.792Z"}