what is use of proximity sensor in smartphone ?

<div dir="ltr" style="text-align: left;" trbidi="on"><span style="font-family: Verdana, sans-serif;"><span style="background-color: yellow;"><span style="color: #444444; font-weight: 700; line-height: 21px; word-wrap: break-word;"><span style="color: red; word-wrap: break-word;">Proximity Sensor</span></span></span><br style="background-color: white; color: #444444; line-height: 21px; word-wrap: break-word;" /><span style="background-color: white; color: #444444; line-height: 21px;">The main function of this proximity sensor is to detect how close your smartphone's screen is to your body. When you use your smartphone, it detects the position of ear with respect to screen and turns off the light of screen and saves battery. Also proximity sensor stops the accidental touch, unwanted input during talk. This sensor also detects the signal strength, interference sources and amplify or filter by use of Beam Forming Technique. Thus, in a nutshell, proximity sensor detect the presence of body like cheek, face or ear and stops the web surfing, music or video during talk/calling and save the battery. After the conversation, it resumes the same function which was stopped earlier during talk. </span></span><br /><span style="font-family: Verdana, sans-serif;"><br /></span></div>

what is use of proximity sensor in smartphone ?

Proximity Sensor The main function of this proximity sensor is to detect how close your smartphone's screen is to your body. When you us...

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