{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8522291","patent":{"patent_number":"US-8522291","title":"Video playback device for channel browsing","assignee":null,"inventors":[],"filing_date":"2007-12-20T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N","H04N"],"num_claims":19,"abstract":"A video playback device, provided in a P2P-based network, comprises a channel pre-cached buffer, for storing a plurality of video blocks corresponding to a number of pre-cached channels; a display interface, for receiving a request for channel browsing from a viewer and executing playback of the video blocks pertaining to a selected channel indicated on the request; and an agent module, for receiving the request for channel browsing from the display interface, obtaining a seed/peer list pertaining to the selected channel indicated on the request, and downloading the video blocks from seed and/or peer nodes based on the seed/peer list; characterized in that the agent module applies an automatic refreshing mechanism for updating the corresponding video blocks to each pre-cached channel by supplying the most updated video blocks in the channel pre-cached buffer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Video playback device for channel browsing","description":"A video playback device, provided in a P2P-based network, comprises a channel pre-cached buffer, for storing a plurality of video blocks corresponding to a number of pre-cached channels; a display int","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8522291","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-8522291","citation_suggestion":"Patentable. \"Video playback device for channel browsing\" (US-8522291). https://patentable.app/patents/US-8522291","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8522291","json":"https://patentable.app/api/llm-context/US-8522291","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:31:31.223Z"}