{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9641725","patent":{"patent_number":"US-9641725","title":"Use of ambience light for copy protection of video content displayed on a screen","assignee":null,"inventors":[],"filing_date":"2013-11-15T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G06T","G06T","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N","H04N"],"num_claims":8,"abstract":"The invention provides a method for impeding making a useful copy with an optical recording device of video content displayed on a screen, wherein the method comprises displaying the video content on the screen, illuminating with ambience light of an ambience light source the screen, the ambience light comprises light having a wavelength in the visible part of the spectrum, wherein the ambience light is controlled as function of the video content, and wherein the ambience light is intensity modulated with an intensity modulation having an intensity modulation frequency selected from the range of 40 Hz to 00 Hz."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Use of ambience light for copy protection of video content displayed on a screen","description":"The invention provides a method for impeding making a useful copy with an optical recording device of video content displayed on a screen, wherein the method comprises displaying the video content on ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9641725","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-9641725","citation_suggestion":"Patentable. \"Use of ambience light for copy protection of video content displayed on a screen\" (US-9641725). https://patentable.app/patents/US-9641725","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9641725","json":"https://patentable.app/api/llm-context/US-9641725","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:15:03.113Z"}