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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. 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 ...
An inductive proximity sensor is a non-contact electronic proximity sensor. It is used for positioning and detection of metal objects. It is used for positioning and detection of metal objects. The sensing range of an inductive switch is dependent on the type of metal being detected.
Parking sensors are proximity sensors for road vehicles designed to alert the driver of obstacles while parking. These systems use either electromagnetic or ultrasonic sensors. These systems use either electromagnetic or ultrasonic sensors.
Many types of sensors use capacitive sensing, including sensors to detect and measure proximity, pressure, position and displacement, force, humidity, fluid level, and acceleration. Human interface devices based on capacitive sensing, such as touchpads , [ 1 ] can replace the computer mouse .
A photoelectric sensor is a device used to determine the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver. They are largely used in industrial manufacturing. There are three different useful types: opposed (through-beam), retro-reflective, and proximity-sensing (diffused).
The idea of a proximity fuse had long been considered militarily useful. Several ideas had been considered, including optical systems that shone a light, sometimes infrared, and triggered when the reflection reached a certain threshold, various ground-triggered means using radio signals, and capacitive or inductive methods similar to a metal detector.
The 360-degree sensor was originally designed as a short range micro robot proximity sensor and mainly intended for Swarm robotics, Ant robotics, Swarm intelligence, autonomous Qaudcopter, Drone, UAV, multi-robot simulations e.g. Jasmine Project [3] where 360 proximity sensing is required to avoid collision with other robots and for simple IR inter-robot communications.
Bluetooth beacons use Bluetooth Low Energy proximity sensing to transmit a universally unique identifier [1] picked up by a compatible app or operating system. The identifier and several bytes sent with it can be used to determine the device's physical location, [ 2 ] track customers, or trigger a location-based action on the device such as a ...
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