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An infrared proximity sensor Optical proximity sensor in a 2016 Samsung smartphone.A proximity sensor is a standard feature of most smartphones, disabling the touchscreen when positioned near an ear during phone calls; more recent (late 2019-early 2020) smartphones with OLED displays may have the sensor mounted under the display.
The Agentase Chemical Agent Detection (CAD) Kit, formerly known as the Fido C1 CAD Kit, is an enzyme-based chemical detection kit that contains six different sensors that are designed to detect specific chemical warfare agents (CWAs) and other toxic chemical contaminants at trace levels. The kit is provided in a small pouch and can detect the ...
Medipix-2, Timepix, and Medipix-3 are all 256×256 pixels, each 0.055 mm (55 μm) square, forming a total area 14.08 mm × 14.08 mm. Larger area detectors can be created by bump-bonding many chips to larger monolithic sensors. Detectors of sizes from 2x2 to 2x4 chips are commonly used.
Conceptual through-beam system to detect unauthorized access to a secure door. If the beam is interrupted, the detector triggers an alarm. 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 ...
A proximity card or prox card [1] also known as a key card or keycard is a contactless smart card which can be read without inserting it into a reader device, as required by earlier magnetic stripe cards such as credit cards and contact type smart cards. [2] The proximity cards are part of the contactless card technologies.
This page was last edited on 28 November 2019, at 01:42 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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HID manufactures and licenses several types of technologies, from Wiegand products to 13.56 MHz iCLASS, [6] [7] MIFARE, and DESFire, as well as the 125 kHz Indala and Prox cards. Migration readers from various 125 kHz Prox technologies to 13.56 MHz iCLASS were introduced in 2007. [8]