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Capacitive displacement sensors share many similarities to eddy current (or inductive) displacement sensors; however capacitive sensors use an electric field as opposed to the magnetic field used by eddy current sensors [10] [11] This leads to a variety of differences between the two sensing technologies, with the most notable differences being ...
A linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded position into an analog or digital signal, which can then be decoded into position by a digital readout (DRO) or motion controller. The encoder can be either incremental or absolute.
Capacitive displacement sensor; Capacitive sensing; Displacement sensor (general article) Flex sensor; Free fall sensor; Gravimeter; Gyroscopic sensor; Impact sensor; Inclinometer; Incremental encoder; Integrated circuit piezoelectric sensor; Laser rangefinder; Laser surface velocimeter; LIDAR; Linear encoder; Linear variable differential ...
Mutual capacitance allows multi-touch operation where multiple fingers, palms or styli can be accurately tracked at the same time. [13] Self-capacitance sensors can have the same X-Y grid as mutual capacitance sensors, but the columns and rows operate independently. With self-capacitance, current senses the capacitive load of a finger on each ...
Cutaway view of an LVDT. Current is driven through the primary coil at A, causing an induction current to be generated through the secondary coils at B.. The linear variable differential transformer (LVDT) – also called linear variable displacement transformer, [1] linear variable displacement transducer, [2] or simply differential transformer [3] – is a type of electrical transformer [4 ...
A position sensor is a sensor that detects an object's position. A position sensor may indicate the absolute position of the object (its location) or its relative position (displacement) in terms of linear travel, rotational angle or three-dimensional space. Common types of position sensors include the following: Capacitive displacement sensor
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An ultrasonic displacement sensor is a kind of displacement sensor. [3] These measure the distance to targets by emitting low-frequency sound waves and measuring the time they take to return. [3] Displacement sensors can be made using linear variable differential transformers. [3]
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