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2. Passive infrared sensor - Wikipedia

   en.wikipedia.org/wiki/Passive_infrared_sensor

   A PIR motion detector used to control an outdoor, automatic light. A camera trap with PIR motion detector. An indoor light switch equipped with PIR-based occupancy sensor [1] A PIR-based motion detector is used to sense movement of people, animals, or other objects. They are commonly used in burglar alarms and automatically activated lighting ...

3. 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.

4. Motorola Type II VOC - Wikipedia

   en.wikipedia.org/wiki/Motorola_Type_II_VOC

   IR sites are generally used for a small geographic area or to fill in holes. For sites that are used to fill in coverage traffic is very limited. To allow as limited a number of channels for use, and to be spectrum efficient, Voice On Control (VOC) was developed to permit the control channel to temporarily act as a voice channel. [ 1 ]

5. AN/ASQ-228 ATFLIR - Wikipedia

   en.wikipedia.org/wiki/AN/ASQ-228_ATFLIR

   AN/ASQ-228 Advanced Targeting Forward-Looking Infrared (ATFLIR) Pod on an F/A-18 Super Hornet. F-4 Phantom shown from an ATFLIR Targeting Pod. The AN/ASQ-228 Advanced Targeting Forward-Looking Infrared (ATFLIR) is a multi-sensor, electro-optical targeting pod incorporating thermographic camera, low-light television camera, target laser rangefinder/laser designator, and laser spot tracker ...

6. Unattended ground sensor - Wikipedia

   en.wikipedia.org/wiki/Unattended_ground_sensor

   Flexnet™ is a Unattended Ground Sensor capability, [9] from the Swedish company Bertin Exensor, subsidiary of Bertin Technologies. It includes sensors with embedded processing, GPS, and radio communication. Those sensors are based on seismic-acoustic detection, passive infrared, electro-optical and magnetic detection techniques.

7. Infrared search and track - Wikipedia

   en.wikipedia.org/wiki/Infrared_search_and_track

   An IRST sensor on a Sukhoi Su-35. An Infrared Search and Track (IRST) system (sometimes known as infrared sighting and tracking) is a method for detecting and tracking objects which give off infrared radiation, such as the infrared signatures of jet aircraft and helicopters.