{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10514806","patent":{"patent_number":"US-10514806","title":"Operation detection device, operation detection method and projector","assignee":null,"inventors":[],"filing_date":"2016-05-23T00:00:00.000Z","publication_date":"2019-12-24T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06V","G06V","H04N"],"num_claims":1,"abstract":"An operation detection device includes: first and second illuminations that irradiate illumination light from different positions onto an operation surface on which a user performs an operation, and a camera that captures the operation surface together with at least two fingers of a same hand of the user. First and second shadows of a same hand of the user are extracted from captured images obtained by the camera. Respective touch points of the same hand of the user on the operation surface are detected including when the first and second shadows corresponding to first and second fingers of the same hand have overlapping areas."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Operation detection device, operation detection method and projector","description":"An operation detection device includes: first and second illuminations that irradiate illumination light from different positions onto an operation surface on which a user performs an operation, and a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10514806","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-10514806","citation_suggestion":"Patentable. \"Operation detection device, operation detection method and projector\" (US-10514806). https://patentable.app/patents/US-10514806","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10514806","json":"https://patentable.app/api/llm-context/US-10514806","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:18:43.704Z"}