{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9667345","patent":{"patent_number":"US-9667345","title":"Method, apparatus, and system for encoding and decoding visible light signal","assignee":null,"inventors":[],"filing_date":"2016-01-31T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["H04B"],"num_claims":20,"abstract":"The present disclosure provides a method, an apparatus, and a system for encoding and decoding a visible light signal. The encoding method includes the following steps: dividing to-be-transmitted data into a plurality of data units, where each data unit includes one or more bits; converting the data units into a plurality of electrical signal units, where for each electrical signal unit, the number of level transitions is used to represent the one or more bits of a corresponding data unit, and an interval indicated by a predetermined level exists between adjacent electrical signal units, where a level in each electrical signal unit has a first level duration, and the predetermined level between adjacent electrical signal units has a second level duration; combining the electrical signal units to obtain an encoded electrical signal; and transmitting the encoded electrical signal in a visible light signal form."},"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 encoding and decoding visible light signal","description":"The present disclosure provides a method, an apparatus, and a system for encoding and decoding a visible light signal. The encoding method includes the following steps: dividing to-be-transmitted data","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9667345","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-9667345","citation_suggestion":"Patentable. \"Method, apparatus, and system for encoding and decoding visible light signal\" (US-9667345). https://patentable.app/patents/US-9667345","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9667345","json":"https://patentable.app/api/llm-context/US-9667345","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:22:22.583Z"}