{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477444","patent":{"patent_number":"US-8477444","title":"Clock frequency synchronization for magnetic recording device","assignee":null,"inventors":[],"filing_date":"2010-05-24T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B"],"num_claims":20,"abstract":"The present disclosure includes systems and techniques relating to control of magnetic recording devices, such as disk drives. Systems and techniques include generating timing data based on a clock signal and a waveform produced by a head operated with respect to a rotating recording medium and the clock signal, determining model parameters based on the timing data to model deterministic disturbances associated with the rotating recording medium, predicting a frequency offset by a model-based technique for the compensation of the deterministic disturbances between two servo wedges, predicting a frequency offset associated with one or more nondeterministic disturbances by a loop filter, determining a clock adjustment based on the predicted deterministic and nondeterministic frequency offsets, and adjusting a clock frequency to read or write data within the area."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Clock frequency synchronization for magnetic recording device","description":"The present disclosure includes systems and techniques relating to control of magnetic recording devices, such as disk drives. Systems and techniques include generating timing data based on a clock si","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477444","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-8477444","citation_suggestion":"Patentable. \"Clock frequency synchronization for magnetic recording device\" (US-8477444). https://patentable.app/patents/US-8477444","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477444","json":"https://patentable.app/api/llm-context/US-8477444","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:26:49.483Z"}