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  2. Motion detector - Wikipedia

    en.wikipedia.org/wiki/Motion_detector

    A motion detector attached to an outdoor, automatic light. A motion detector is an electrical device that utilizes a sensor to detect nearby motion (motion detection).Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area.

  3. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Motion detector; Occupancy sensor; Proximity sensor; Passive infrared sensor; Reed switch; ... Speed sensors are machines used to detect the speed of an object ...

  4. Principles of motion sensing - Wikipedia

    en.wikipedia.org/wiki/Principles_of_Motion_Sensing

    Gyroscopes measure the angular rate of rotational movement about one or more axes. Gyroscopes can measure complex motion accurately in multiple dimensions, tracking the position and rotation of a moving object unlike accelerometers which can only detect the fact that an object has moved or is moving in a particular direction.

  5. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    PIR sensors detect general movement, but do not give information on who or what moved. For that purpose, an imaging IR sensor is required. PIR sensors are commonly called simply "PIR", or sometimes "PID", for "passive infrared detector". The term passive refers to the fact that PIR devices do not radiate energy for detection purposes.

  6. Mmwave sensing - Wikipedia

    en.wikipedia.org/wiki/Mmwave_sensing

    Millimeter wave (mmWave) sensing is a non-contact system of using mmWave radar sensors to measure movement, acceleration, and angles as small as a fraction of a millimeter. [1] This system requires a mmWave radar sensor to transmit and receive pulses of millimeter electromagnetic wave energy, detecting targets and motion from the reflections it ...

  7. Motion controller - Wikipedia

    en.wikipedia.org/wiki/Motion_controller

    Its sensors tracked the player's movement and head position. [2] Another early example is the 2000 light gun shooter arcade game Police 911, which used motion tracking technology to detect the player's movements, which are reflected by the player character within the game. [3]

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