{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9640143","patent":{"patent_number":"US-9640143","title":"Active video projection screen coordinating grayscale values of screen with color pixels projected onto screen","assignee":null,"inventors":[],"filing_date":"2016-01-22T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G09G","G02F","G02F","G09G","G09G","G09G","G09G","H04N","G09G","G09G","G09G","G09G"],"num_claims":20,"abstract":"Instead of a monochromatic projection screen, an active projection screen is provided which varies reflectance and gray level (black to white) in synchronization with the content being shown. Groups of multiple screen pixels, which are smaller than each projected pixel from the projector, are assigned to each respective larger projection pixel."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Active video projection screen coordinating grayscale values of screen with color pixels projected onto screen","description":"Instead of a monochromatic projection screen, an active projection screen is provided which varies reflectance and gray level (black to white) in synchronization with the content being shown. Groups o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9640143","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-9640143","citation_suggestion":"Patentable. \"Active video projection screen coordinating grayscale values of screen with color pixels projected onto screen\" (US-9640143). https://patentable.app/patents/US-9640143","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9640143","json":"https://patentable.app/api/llm-context/US-9640143","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:19:51.092Z"}