{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8467144","patent":{"patent_number":"US-8467144","title":"Determining microactuator failure in a multi-stage tracking system","assignee":null,"inventors":[],"filing_date":"2011-05-06T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["G11B","G11B"],"num_claims":20,"abstract":"A multi-stage tracking control system includes at least a main actuator and a microactuator. The tracking control system is switched to a single-stage mode so that the main actuator alone provides tracking. A disturbance signal is applied to the microactuator while in the single-stage mode, and a failure condition of the microactuator is determined based on a position error generated in response to the disturbance signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Determining microactuator failure in a multi-stage tracking system","description":"A multi-stage tracking control system includes at least a main actuator and a microactuator. The tracking control system is switched to a single-stage mode so that the main actuator alone provides tra","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8467144","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-8467144","citation_suggestion":"Patentable. \"Determining microactuator failure in a multi-stage tracking system\" (US-8467144). https://patentable.app/patents/US-8467144","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8467144","json":"https://patentable.app/api/llm-context/US-8467144","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:06:55.524Z"}