{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9683846","patent":{"patent_number":"US-9683846","title":"Resonator fiber optic gyroscope resonance detection demodulator reference phase corrector","assignee":null,"inventors":[],"filing_date":"2015-11-23T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C"],"num_claims":20,"abstract":"A RFOG, comprising: a master laser emitting a reference optical signal; first and second slave lasers emitting first and second optical signals; an optical resonator ring cavity coupled to the lasers, the first and second optical signals propagating in first and second directions through the optical resonator ring cavity; one or more signal generators to inject first and second modulation signals at first and second frequencies on both optical signals; first and second photodetectors that generate first and second signals; first and second demodulators to demodulate the first and second signals using first and second reference signals and the first and second frequencies; a differencing function to output the difference between resonance frequencies of the first and second signals; at least a third demodulator to detect reference phase errors; and at least one phase servo to adjust the phase of at least one of the first and second reference signals."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Resonator fiber optic gyroscope resonance detection demodulator reference phase corrector","description":"A RFOG, comprising: a master laser emitting a reference optical signal; first and second slave lasers emitting first and second optical signals; an optical resonator ring cavity coupled to the lasers,","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9683846","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-9683846","citation_suggestion":"Patentable. \"Resonator fiber optic gyroscope resonance detection demodulator reference phase corrector\" (US-9683846). https://patentable.app/patents/US-9683846","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9683846","json":"https://patentable.app/api/llm-context/US-9683846","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:17:08.331Z"}