{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11300411","patent":{"patent_number":"US-11300411","title":"Physical quantity detection circuit, physical quantity sensor, electronic instrument, vehicle, and method for diagnosing failure of physical quantity sensor","assignee":null,"inventors":[],"filing_date":"2020-04-22T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["G01C","G01C"],"num_claims":14,"abstract":"A physical quantity detection circuit including a differential amplification circuit that differentially amplifies a signal pair based on a first signal containing a first physical quantity component and a first vibration leakage component and a second signal containing a second physical quantity component having a phase opposite the phase of the first physical quantity component and a second vibration leakage component having the same phase as the phase of the first vibration leakage component, an adder circuit that adds the signal pair, a first synchronous wave-detection circuit that performs synchronous wave-detection on a signal based on an output signal from the differential amplification circuit, a second synchronous wave-detection circuit that performs synchronous wave-detection on a signal based on an output signal from the adder circuit, a physical quantity detection signal generation circuit that generates a physical quantity detection signal based on an output signal from the first synchronous wave-detection circuit, and a vibration leakage signal generation circuit that generates a vibration leakage signal based on an output signal from the second synchronous wave-detection circuit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Physical quantity detection circuit, physical quantity sensor, electronic instrument, vehicle, and method for diagnosing failure of physical quantity sensor","description":"A physical quantity detection circuit including a differential amplification circuit that differentially amplifies a signal pair based on a first signal containing a first physical quantity component ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11300411","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-11300411","citation_suggestion":"Patentable. \"Physical quantity detection circuit, physical quantity sensor, electronic instrument, vehicle, and method for diagnosing failure of physical quantity sensor\" (US-11300411). https://patentable.app/patents/US-11300411","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11300411","json":"https://patentable.app/api/llm-context/US-11300411","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:16:07.218Z"}