ReadersThe type of technology required to register / authenticate one attempting to enter a door protected by access control. Many reader types exist.
The most common are: c) biometric: facial, iris, vein or fingerprint enrolment units map the features of the visitor and verify them against a database; d) smart card: multi-technology (combined swipe, proximity, RFID, asset tracking) and multi-faceted cards; e) RFID: high frequency radio frequency technology; Contact: A connection needs to be made in order to complete the circuit to allow entry; Bar Code: Standard bar codes are used to verify visitors; Wiegand: Trade name for a technology used in card readers and sensors, particularly for access control applications. Wiegand devices were originally developed by HID Corporation; Infrared: Uses IR technology. All readers need to be controlled - sometimes the controller is enclosed in the reader but mostly are external and it is the controller which defines whether the system is standalone, netwroked or PC-based.
LinksDidya.Com - Smart Card Solutions.
Smart card reader and smart card programmers. Smart card development kits, Biometrics. Our mission is to bring our customers the best smart card technology at the lowest prices with the ease of use and reliability that is expected of a world class company.
http://www.didya.com | | |
|
Social networking site and blog site designed for the CCTV enthusiast. |
