{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11467176","patent":{"patent_number":"US-11467176","title":"Physical quantity detection circuit and physical quantity detection device","assignee":null,"inventors":[],"filing_date":"2021-05-24T00:00:00.000Z","publication_date":"2022-10-11T00:00:00.000Z","cpc_codes":["G01C","G01C","G01C","G01C","G01C","G01C"],"num_claims":6,"abstract":"A physical quantity detection circuit includes a signal conversion circuit configured to output a first differential signal based on an output signal of a physical quantity detection element, an active filter to which a second differential signal based on the first differential signal is input, and an analog/digital conversion circuit configured to sample a third differential signal based on an output signal of the active filter to convert the third differential signal into a digital signal, wherein the active filter includes an operational amplifier, a first chopping circuit disposed in a signal path between the signal conversion circuit and the operational amplifier, and a second chopping circuit disposed in a signal path between the operational amplifier and the analog/digital conversion circuit, and fch<fs/2, the sampling frequency is fs, and the chopping frequency is fch."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Physical quantity detection circuit and physical quantity detection device","description":"A physical quantity detection circuit includes a signal conversion circuit configured to output a first differential signal based on an output signal of a physical quantity detection element, an activ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11467176","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-11467176","citation_suggestion":"Patentable. \"Physical quantity detection circuit and physical quantity detection device\" (US-11467176). https://patentable.app/patents/US-11467176","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11467176","json":"https://patentable.app/api/llm-context/US-11467176","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T15:08:20.249Z"}