{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9644963","patent":{"patent_number":"US-9644963","title":"Apparatus and methods for PLL-based gyroscope gain control, quadrature cancellation and demodulation","assignee":null,"inventors":[],"filing_date":"2014-03-18T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["G01C"],"num_claims":17,"abstract":"This application discusses simplified interface circuits for a gyroscope. In an example, an interface can include an automatic gain control (AGC) circuit configured to couple to driver for a proof mass of a gyroscope sensor and to drive the proof-mass to oscillate at a predefined oscillation amplitude, and a phase-locked loop (PLL) configured to receive sensed oscillation information from the proof-mass and to provide at least a first phase signal synchronized with a sinusoidal waveform of the sensed oscillation information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus and methods for PLL-based gyroscope gain control, quadrature cancellation and demodulation","description":"This application discusses simplified interface circuits for a gyroscope. In an example, an interface can include an automatic gain control (AGC) circuit configured to couple to driver for a proof mas","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9644963","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-9644963","citation_suggestion":"Patentable. \"Apparatus and methods for PLL-based gyroscope gain control, quadrature cancellation and demodulation\" (US-9644963). https://patentable.app/patents/US-9644963","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9644963","json":"https://patentable.app/api/llm-context/US-9644963","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:02:47.563Z"}