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A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors . PIR sensors are commonly used in security alarms and automatic lighting applications.
An infrared detector is a detector that reacts to infrared (IR) radiation. The two main types of detectors are thermal and photonic (photodetectors). The thermal effects of the incident IR radiation can be followed through many temperature dependent phenomena. [2] Bolometers and microbolometers are based on changes in resistance.
Infrared astronomy uses sensor-equipped telescopes to penetrate dusty regions of space such as molecular clouds, to detect objects such as planets, and to view highly red-shifted objects from the early days of the universe. [10] Infrared thermal-imaging cameras are used to detect heat loss in insulated systems, to observe changing blood flow in ...
This page was last edited on 22 July 2024, at 08:43 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
Consumer IR, consumer infrared, or CIR is a class of devices employing the infrared portion of the electromagnetic spectrum for wireless communications. [ citation needed ] CIR ports are commonly found in consumer electronics devices such as television remote controls , PDAs , laptops , computers , and video game controllers.
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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 .
Download QR code; Print/export Download as PDF; ... Pages in category "Infrared sensor materials" The following 15 pages are in this category, out of 15 total.