June 1, 2010

DVR Camera Security System

A DVR camera security system or digital video recorder camera security system is a practical answer for providing recorded digital video monitoring for business and residential applications alike. These systems are economical and versatile and can include a great deal of advanced features for special applications as well.
August 11, 2009


At the heart of every digital camera in the world there is an image sensor. The image sensor converts light into a digital signal. There are two basic types of image sensors in use today. There are CCD (Charged Coupled Devices) and CMOS (Complementary Metal Oxide Semiconductor) sensors. Each type of image sensor has its […]