{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9766284","patent":{"patent_number":"US-9766284","title":"Sensor fault detection circuit, relative angle detection device, and motor-driven power steering apparatus","assignee":null,"inventors":[],"filing_date":"2016-01-27T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["B62D","G01D"],"num_claims":11,"abstract":"A sensor fault detection circuit includes: a first amplifier circuit that includes a first pair of elements operating reversely to each other, and amplifies a first sensor signal input from a first voltage amplifier; a second amplifier circuit that includes a second pair of elements operating reversely to each other, and amplifies a second sensor signal input from the second voltage amplifier; and a fault diagnosis unit that detects abnormality of a first voltage signal or a second voltage signal based on the first voltage signal output from the first amplifier circuit and the second voltage signal output from the second amplifier circuit. Characteristics of the first pair of elements are asymmetrical to each other, and characteristics of the second pair of elements are asymmetrical to each other in a same relationship with a relationship of the asymmetry between the characteristics of the first pair of elements."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sensor fault detection circuit, relative angle detection device, and motor-driven power steering apparatus","description":"A sensor fault detection circuit includes: a first amplifier circuit that includes a first pair of elements operating reversely to each other, and amplifies a first sensor signal input from a first vo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9766284","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-9766284","citation_suggestion":"Patentable. \"Sensor fault detection circuit, relative angle detection device, and motor-driven power steering apparatus\" (US-9766284). https://patentable.app/patents/US-9766284","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9766284","json":"https://patentable.app/api/llm-context/US-9766284","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:10:17.320Z"}