{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488426","patent":{"patent_number":"US-8488426","title":"Disc device","assignee":null,"inventors":[],"filing_date":"2012-03-26T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":8,"abstract":"Provided is an optical disc drive device which stably controls an actuator of an optical pickup, by individually controlling an optical spot when following the guide track and an optical spot when recording/reproducing information on/from each recording layer. An optical spot when following the guide track and an optical spot when recording/reproducing information on/from each recording layer are individually controlled. At this time, the optical spot exclusive for the track and the optical spot exclusive for the recording/reproducing are formed on an optical disc."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Disc device","description":"Provided is an optical disc drive device which stably controls an actuator of an optical pickup, by individually controlling an optical spot when following the guide track and an optical spot when rec","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488426","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-8488426","citation_suggestion":"Patentable. \"Disc device\" (US-8488426). https://patentable.app/patents/US-8488426","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488426","json":"https://patentable.app/api/llm-context/US-8488426","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:46:14.364Z"}