What is a proximity access card? A proximity access card is a card about the size of your driver’s license that can open and activate doors so that the holder of the card can enter. Embedded in the card is… Read More
Archive for February, 2011
One of the many improvements made on infrared (IR) cameras in the last decade is multispectral technology. This feature operates different sensors from the same aperture of the camera and sometimes from the same semiconductor. These sensors can detect different… Read More
And just like that, the color-coded terrorist warning system has gone away. Actually, it wasn’t quite that abrupt. This article notes that the threat warning levels formulated in Homeland Security Presidential Directive 3 (HSPD 3) was used less and less during the past few years. Although the threat level changed 16 times since its 2002 introduction, two recent attempted attacks passed without a change in the threat level.
In a recent post, we referred to the growing use of smart cards to advance electronic access control and wanted to explain a little more about these smart cards. This article offers a good summary, but we’ll condense it a little more.