O'Reilly logo

Digital Video Surveillance and Security by Anthony C. Caputo

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3 Image

Digital Video Hardware

The Evolution of Video Surveillance Hardware

Video surveillance hardware has followed the same evolutionary track as photographic cameras. The days of a mechanical camera, when a single-lens reflex (SLR) used a cadmium sulfide photocell as a light meter (light sensor) to assist in the correct aperture and shutter speed configuration, are gone and the world is now run by the microprocessor. This is even more true with anything digital. This higher level of sophistication now requires a three-dimensional maintenance and troubleshooting view: mechanical, electrical, and software. The only power over a malfunctioning device ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required