Patent · US Active

Screen privacy filter using software

US9058509B1 · kind B1 · utility

3Cited by

2References

23Claims

0Family size

Assignee

Trend Micro Incorporated · JP

Inventors

Qiang Yang · Fremont, US
Lei Zhang · Nanhu, CN
Zhiguo Li · Hangzhou City, CN

Key dates

Filing date	Dec 20, 2011
Grant date	Jun 16, 2015
Priority date	—
Expiry date	Dec 24, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH04N1/44
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A software-based privacy filter is provided on a computing device. First, a content window is opened and displayed on a display of the computing device. Then a semi-transparent topmost window is created, wherein the semi-transparent topmost window includes a moving privacy pattern designed to obscure first portions of the content window at a first time and obscure second portions of the content window at a second time. The semi-transparent topmost window is then displayed on top of the first content window on the display of the computing device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.