{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9711172","patent":{"patent_number":"US-9711172","title":"Magnetic recording device and reading method","assignee":null,"inventors":[],"filing_date":"2016-03-31T00:00:00.000Z","publication_date":"2017-07-18T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B","G11B","G11B","G11B"],"num_claims":6,"abstract":"According to one embodiment, a magnetic disk device includes a disk including a tracks including a servo region, a light irradiator configured to irradiate the disk with light and heat the disk with the light, a head including a write head configured to write data in a range irradiated and heated with the light, and a read head configured to read data from the tracks, a controller configured to write first data to be used for offset detection in a first region of the tracks, read the first data from the first region with reference to servo data in the servo region, detect an offset of the read head based on an amplitude of a first signal of the first data, and control a position of the read head based on the offset."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Magnetic recording device and reading method","description":"According to one embodiment, a magnetic disk device includes a disk including a tracks including a servo region, a light irradiator configured to irradiate the disk with light and heat the disk with t","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9711172","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-9711172","citation_suggestion":"Patentable. \"Magnetic recording device and reading method\" (US-9711172). https://patentable.app/patents/US-9711172","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9711172","json":"https://patentable.app/api/llm-context/US-9711172","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:45:34.534Z"}