CCTV = Closed Circuit Television. The use of video cameras to transmit signals to a specific, limited set of monitors.…
(Part two of a four-part series on PTZ) Who really gains from PTZ? Business Owners Employees The General Public Insurance…
CCD = stands for "charge-coupled device." First invented in the 1970s, this technology uses a shift register combined with photo-diodes…
Bullet Camera = A type of camera with a bullet-like shape. This type of camera typically has a small form…
BNC= Coaxial cabling. If you have cable television or cable Internet service at home, it is delivered over a BNC…
Balun= An acronym for BALanced/UNbalanced. A device commonly used to change one cabling media to another (ex. coaxial to twisted…
Auto Iris = Aperture automatically opens or closes to maintain proper light levels on the faceplate of the camera pickup…
First in a four part series So it's not the sexy new Pontiac G8 designed to rival the M3 or…
Auto Exposure = A feature which enables the camera to automatically calculate the best aperture-shutter speed combination for lighting conditions.
Aspect Ratio = The ratio of the visible picture height to the width. SDTV aspect ratio is typically 4:3, whereas…