{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11255781","patent":{"patent_number":"US-11255781","title":"Visibility meter, street light device and operation method thereof","assignee":null,"inventors":[],"filing_date":"2020-05-20T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G01N","G01N"],"num_claims":13,"abstract":"A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receiving the visible laser through an optical sensor to generate a sensed result; and calculating a visibility according to the sensed result."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Visibility meter, street light device and operation method thereof","description":"A visibility meter, a street light device and an operation method thereof are provided. The visibility measurement method includes: transmitting a visible laser through an optical transmitter; receivi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11255781","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-11255781","citation_suggestion":"Patentable. \"Visibility meter, street light device and operation method thereof\" (US-11255781). https://patentable.app/patents/US-11255781","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11255781","json":"https://patentable.app/api/llm-context/US-11255781","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:51:19.913Z"}