Taipei, Thursday, Aug 22, 2019, 00:50


STMicroelectronics Makes PCs More User Friendly, Greener, and More Secure

Published: Jul 08,2019

TAIPEI, Taiwan – STMicroelectronics has announced its user presence detection solution where the output from ST’s FlightSense Time-of-Flight (ToF) ranging sensor, is used by Intel Context Sensing to offer a breakthrough approach to PC data security while reducing power consumption and improving the user experience.

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ST’s FlightSense ToF sensor, hidden behind a cover glass in the bezel of a laptop, monitors the user’s presence in front of their PC. When the user leaves, the ToF sensor detects their absence and immediately locks the system and directs it into the Windows® Modern-Stand-by low-power state, improving security and reducing power consumption.

The ToF sensor then enters a low-power autonomous mode, scanning the scene for the user returning while keeping the PC asleep to save power. When the user returns, the ToF sensor wakes the PC and automatically enables facial recognition to log in without waiting for a key press or mouse movement.

The ST patented algorithm used in the system can distinguish an immobile person sitting in front of a PC from an inanimate object, such as a chair, without relying on video analytics from the power-hungry and potentially intrusive webcam.

“By leveraging ST’s market-leading FlightSense Time-of-Flight ranging technology, the development of user presence detection brings extended battery life, improved data protection, and increased convenience to PC users,” said Eric Aussedat, Executive Vice President and General Manager Imaging, STMicroelectronics.

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