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Proximity sensor installed on the front of an iPhone 5 next to the earpiece automatically turning off the touchscreen when the sensor comes within a predefined range of an object (such as a human ear) when using the
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has awoken from sleep mode, if the proximity sensor's target is still for an extended period of time, the sensor will then ignore it, and the device will eventually revert into sleep mode. For example, during a
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Proximity sensors can have a high reliability and long functional life because of the absence of mechanical parts and lack of physical contact between the sensor and the sensed object.
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Proximity sensors are also used in machine vibration monitoring to measure the variation in distance between a shaft and its support bearing. This is common in large steam
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Smartphone optical proximity sensor without the phone's casing. The sensor itself is the black object on top of the yellow block below it; this block is actually a
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Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
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Content in this edit is translated from the existing French
Knowledge article at ]; see its history for attribution.
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can be used to recognise air gestures and hover-manipulations. An array of proximity sensing elements can replace
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A proximity sensor adjusted to a very short range is often used as a
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Video of the pulsing proximity sensor of a BlackBerry Leap
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Vibration measurements of rotating shafts in machinery
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a machine-translated version of the French article.
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