{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542006","patent":{"patent_number":"US-8542006","title":"Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator","assignee":null,"inventors":[],"filing_date":"2008-12-16T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["G01D"],"num_claims":20,"abstract":"A solenoid current monitoring circuit of a solenoid actuator includes a solenoid drive board configured to receive a control signal, a sensing resistor configured to detect a current signal of a solenoid coil of the actuator resulting from the control signal, and a differentiator configured to differentiate the current signal. The solenoid current monitoring circuit detects the movement of the solenoid actuator based on a change in the differentiated current signal caused by a change in inductance of the solenoid coil."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator","description":"A solenoid current monitoring circuit of a solenoid actuator includes a solenoid drive board configured to receive a control signal, a sensing resistor configured to detect a current signal of a solen","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542006","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-8542006","citation_suggestion":"Patentable. \"Movement detection circuit of solenoid shear seal valve on subsea pressure control system and method of detecting movement of solenoid actuator\" (US-8542006). https://patentable.app/patents/US-8542006","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542006","json":"https://patentable.app/api/llm-context/US-8542006","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:13:06.798Z"}