{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9800841","patent":{"patent_number":"US-9800841","title":"Method, apparatus, and system for acquiring visual angle","assignee":null,"inventors":[],"filing_date":"2013-12-31T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["H04N","G01S","H04N","H04N"],"num_claims":13,"abstract":"Embodiments of the present invention relate to the field of video monitoring and provide a method, an apparatus, and a system for acquiring a visual angle, so as to acquire an accurate visual angle value. The method for acquiring a visual angle includes: receiving, by a central processing unit CPU of a camera, angle information that is sent by an accelerometer sensor arranged on the camera; converting, by the CPU, the received angle information to a visual angle value; sending, by the CPU, the visual angle value to a server, so that a client receives the visual angle value forwarded by the server. The embodiments of the present invention are applicable to a video monitoring scenario."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method, apparatus, and system for acquiring visual angle","description":"Embodiments of the present invention relate to the field of video monitoring and provide a method, an apparatus, and a system for acquiring a visual angle, so as to acquire an accurate visual angle va","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9800841","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-9800841","citation_suggestion":"Patentable. \"Method, apparatus, and system for acquiring visual angle\" (US-9800841). https://patentable.app/patents/US-9800841","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9800841","json":"https://patentable.app/api/llm-context/US-9800841","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:47:30.237Z"}