{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10511449","patent":{"patent_number":"US-10511449","title":"Authentication method, notification method, source device, and sink device","assignee":null,"inventors":[],"filing_date":"2017-07-10T00:00:00.000Z","publication_date":"2019-12-17T00:00:00.000Z","cpc_codes":["H04L","G06F","G06F","G06F","G09G","H04L","H04L","H04L","H04L","H04L","H04L","H04L","H04N","H04N","G06F","H04L"],"num_claims":9,"abstract":"A method for use in a source device includes: acquiring a random number; transmitting the random number to a sink device through a High Definition Multimedia Interface-Consumer Electronics Control (HDMI-CEC) bus; receiving first signature information and capability information from the sink device through the HDMI-CEC bus, the first signature information being information in which the random number is encrypted with a first secret key of the sink device, the capability information being information about a display capability of the sink device; acquiring a result of a first determination whether first decrypted information is compatible with the transmitted random number, the first decrypted information being obtained by decrypting the first signature information with a first public key paired with the first secret key; determining that the received capability information is correct information when the result of the first determination is that the first decrypted information is compatible with the transmitted random number; and outputting video corresponding to the capability information to sink device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Authentication method, notification method, source device, and sink device","description":"A method for use in a source device includes: acquiring a random number; transmitting the random number to a sink device through a High Definition Multimedia Interface-Consumer Electronics Control (HD","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10511449","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-10511449","citation_suggestion":"Patentable. \"Authentication method, notification method, source device, and sink device\" (US-10511449). https://patentable.app/patents/US-10511449","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10511449","json":"https://patentable.app/api/llm-context/US-10511449","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:47:22.257Z"}