US 12,235,978 B2
Method and system of protecting sensitive content from photography
Kushal Ghosh, Bangalore (IN); Chandramouli Gopalakrishnan, Bangalore (IN); and Hitesh Kumar Manwar, Bangalore (IN)
Assigned to Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on Jun. 17, 2022, as Appl. No. 17/843,016.
Prior Publication US 2023/0409721 A1, Dec. 21, 2023
Int. Cl. G06F 21/62 (2013.01); G06F 21/84 (2013.01)
CPC G06F 21/6209 (2013.01) [G06F 21/84 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A data processing system comprising:
a processor; and
a memory in communication with the processor, the memory comprising executable instructions that, when executed by the processor, cause the data processing system to perform functions of:
receiving a request to display a content on a display screen;
upon receiving the request, determining that the content includes sensitive information; and
upon determining that the content includes sensitive information, transmitting a first request to an operating system associated with the display screen and modifying a plurality of display settings of the display screen from original display settings to modified display settings in response to the first request, the plurality of display settings including a screen refresh rate and a screen refresh line width,
wherein:
the modified display settings prevent circumvention of content security through taking a photograph of the display screen;
modifying the display settings includes decreasing the screen refresh rate from an original screen refresh rate to a decreased screen refresh rate; and
an amount by which the screen refresh rate is decreased is related to a sensitivity level of the content.