{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9780874","patent":{"patent_number":"US-9780874","title":"Light signal-based information processing method and device","assignee":null,"inventors":[],"filing_date":"2015-02-09T00:00:00.000Z","publication_date":"2017-10-03T00:00:00.000Z","cpc_codes":["H04B","G07C","H04L","H04W","H04W","G07C","G07C","H04L","H04W"],"num_claims":20,"abstract":"The present invention discloses a light signal-based information processing method and device. The method includes: receiving trigger information; extracting corresponding information according to the trigger information; sending the extracted information in a form of a visible light signal, or receiving a visible light signal; obtaining modification of user information and user information according to the visible light signal; and modifying stored user list information according to the modification of user information and the user information, so that an authorization information list of a light signal receiving device can be modified conveniently no matter whether the light signal receiving device is fixed in a specific system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light signal-based information processing method and device","description":"The present invention discloses a light signal-based information processing method and device. The method includes: receiving trigger information; extracting corresponding information according to the","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9780874","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-9780874","citation_suggestion":"Patentable. \"Light signal-based information processing method and device\" (US-9780874). https://patentable.app/patents/US-9780874","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9780874","json":"https://patentable.app/api/llm-context/US-9780874","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:34:20.295Z"}