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Mavericks Detects User’s Presence Using Ambient Light Sensor
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Mavericks Detects User’s Presence Using Ambient Light Sensor

Nov 3 2013, 4:53pm CST | by

The newest version of Apple's operating system uses iMacs and MacBook Pros built-in ambient light sensors to improve the detection of user’s presence.

Apple’s operating systems had the ability to turn off the display or Mac’s hard drive or put the computer to sleep when not in use for quite some time. But, until now, this ability depended on the...

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23 weeks ago

Mavericks Detects User’s Presence Using Ambient Light Sensor

Nov 3 2013, 4:53pm CST | by

The newest version of Apple's operating system uses iMacs and MacBook Pros built-in ambient light sensors to improve the detection of user’s presence.

Apple’s operating systems had the ability to turn off the display or Mac’s hard drive or put the computer to sleep when not in use for quite some time. But, until now, this ability depended on the input from the mouse or keyboard. Mavericks goes one step further. It uses computer’s built-in sensors that detect ambient light to find out if a user is actively working on the computer or not. This piece of news comes from Moshen Chen, the developer of the weather application Living Earth.

Chen said that at first he thought that it was the iSight camera that was sensing the movement, but the further testing by him and other developers showed that it was not the case. The Verge also confirmed these reports. They found the culprit by covering the computer’s camera but leaving on the light sensor, which enabled them to delay computer’s sleep mode through the ambient light changes.

All recent iMacs, every generation of MacBook Pro and all Apple’s standalone displays have the ambient light sensor. Its goal is to adjust dynamically the backlights brightness for the display and keyboard.  As far as it is known, the sensors in Apple’s computers were not used previously for any other purpose.

Mavericks was released on Oct. 22 during the Apple's big annual event. Mac users quickly adopted it and installed it and its adoption rate is reported to be three times faster than Mountain Lion, Apple’s previous version of the OS.

Source: Apple Insider

 

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Bijon Kumar Pramanik is an experienced technology writer working since years in the consumer electronics field.

 

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