{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9666088","patent":{"patent_number":"US-9666088","title":"Video-based teacher assistance","assignee":null,"inventors":[],"filing_date":"2013-08-07T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["G09B","G06V","G06V","G06V","G07C"],"num_claims":21,"abstract":"A video-based teaching aid system and method. Video images are recorded of at least some of a plurality of people in a classroom setting by use of a video camera arrangement. Expressions of the people in the video images are identified by use of an expression recognition module configured to receive the video images from the video camera arrangement. The identified expressions of the people in the video images are correlated with at least one of an event or an outcome of an event occurring in a classroom setting by use of a correlation module. The results of the correlating are outputted by an output device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Video-based teacher assistance","description":"A video-based teaching aid system and method. Video images are recorded of at least some of a plurality of people in a classroom setting by use of a video camera arrangement. Expressions of the people","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9666088","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-9666088","citation_suggestion":"Patentable. \"Video-based teacher assistance\" (US-9666088). https://patentable.app/patents/US-9666088","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9666088","json":"https://patentable.app/api/llm-context/US-9666088","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:41:23.269Z"}