The number of lines illuminated on a CRT in one second, which is based on how fast the electron beam moves across the screen from left to right and back again. For example, a resolution of 400 lines ...

Also called "refresh rate," vertical scan frequency is the number of times a CRT was redrawn per second. Measured in Hertz, CRTs ranged from 56 to over 100 Hz, but at least 70 was recommended to help ...

The German RFID component maker TECTUS has added a new multi-frequency handheld scanner to its portfolio of RFID-enabled computers. The new scanner is intended to simplify scanning procedures for ...