{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488955","patent":{"patent_number":"US-8488955","title":"Optical device and control method therefor","assignee":null,"inventors":[],"filing_date":"2011-07-19T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":8,"abstract":"An optical device comprises a shake detection unit adapted to detect shaking of the optical device, an amplifying unit adapted to amplify a difference between an output of the shake detection unit and a reference voltage, an offset calculation unit adapted to calculate an offset component based on an output of the amplifying unit, a changing unit adapted to change the reference voltage so as to remove the offset component, a correction unit adapted to correct the output of the amplifying unit so as to cancel out a change made by the changing unit, and a focal length detection unit adapted to detect a focal length of the imaging optical system, wherein the changing unit changes the reference voltage when the offset component exceeds a threshold, and the threshold is higher when the imaging optical system is on a telephoto side than on a wide-angle side."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical device and control method therefor","description":"An optical device comprises a shake detection unit adapted to detect shaking of the optical device, an amplifying unit adapted to amplify a difference between an output of the shake detection unit and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488955","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-8488955","citation_suggestion":"Patentable. \"Optical device and control method therefor\" (US-8488955). https://patentable.app/patents/US-8488955","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488955","json":"https://patentable.app/api/llm-context/US-8488955","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:05:35.200Z"}