![]() ![]() ![]() Original Assignee Trend Micro Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US13/331,421 Inventor Qiang Yang Lei Zhang Zhiguo Li Current Assignee (The listed assignees may be inaccurate. Google Patents Screen privacy filter using softwareÄownload PDF Info Publication number US9058509B1 US9058509B1 US13/331,421 US201113331421A US9058509B1 US 9058509 B1 US9058509 B1 US 9058509B1 US 201113331421 A US201113331421 A US 201113331421A US 9058509 B1 US9058509 B1 US 9058509B1 Authority US United States Prior art keywords window display content transparent user Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US9058509B1 - Screen privacy filter using software US9058509B1 - Screen privacy filter using software
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