{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9767851","patent":{"patent_number":"US-9767851","title":"Document camera, video and audio output system, and video and audio output method","assignee":null,"inventors":[],"filing_date":"2013-10-23T00:00:00.000Z","publication_date":"2017-09-19T00:00:00.000Z","cpc_codes":["G11B","H04N","H04N","H04N"],"num_claims":9,"abstract":"A document camera includes: a camera unit which acquires a video signal; a microphone unit which acquires an audio signal; a stamp adding unit which adds a time stamp for synchronizing the video signal and the audio signal with each other to the video signal and the audio signal that are acquired; a mode switching button which switches between a “video recording mode” and a “sound reinforcement mode”; a video recording unit which records the video signal and the audio signal together with the time stamp if the “video recording mode” is switched on; and a sound reinforcement instruction unit which instructs a projector to output the video signal and the audio signal, ignoring the time stamp, if the “sound reinforcement mode” is switched on."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Document camera, video and audio output system, and video and audio output method","description":"A document camera includes: a camera unit which acquires a video signal; a microphone unit which acquires an audio signal; a stamp adding unit which adds a time stamp for synchronizing the video signa","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9767851","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-9767851","citation_suggestion":"Patentable. \"Document camera, video and audio output system, and video and audio output method\" (US-9767851). https://patentable.app/patents/US-9767851","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9767851","json":"https://patentable.app/api/llm-context/US-9767851","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:29:12.139Z"}