{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10530338","patent":{"patent_number":"US-10530338","title":"Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device","assignee":null,"inventors":[],"filing_date":"2016-03-02T00:00:00.000Z","publication_date":"2020-01-07T00:00:00.000Z","cpc_codes":["H04L"],"num_claims":4,"abstract":"There are provided: a table memory to store a relation between a control code and gains of variable gain amplifiers; a gain controller to apply the gains to the variable gain amplifiers; an amplitude phase detector to detect amplitude and a phase from an output signal of the vector sum phase shifter; an amplitude phase recorder to record, when the gains are applied by the gain controller, a combination of a control code corresponding to said gains and the amplitude and the phase detected by the detector; and a table calibrator to find a phase shift characteristic of a vector summed part from records of the amplitude phase recorder and calibrate the relation between a control code and gains recorded in the table memory by using the phase shift characteristic."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device","description":"There are provided: a table memory to store a relation between a control code and gains of variable gain amplifiers; a gain controller to apply the gains to the variable gain amplifiers; an amplitude ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10530338","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-10530338","citation_suggestion":"Patentable. \"Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device\" (US-10530338). https://patentable.app/patents/US-10530338","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10530338","json":"https://patentable.app/api/llm-context/US-10530338","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:31:43.887Z"}