Welcome to the
"Technical Section"
Doktor Jons

Guide to Closed Circuit TV (CCTV)

TRUSTED - Target Recognition Using Surveillance Technology for Evidence and Detection - A campaign to improve the effectiveness of existing video surveillance security systems.

CCTV Camera Operation - in a little more detail

Having already provided a wide range of background information, on the various CCTV cameras currently on the market, this section is intended to offer a deeper insight into the technical workings.
If engineering principles, send cold shivers down your spine, prepare yourself for some serious frostbite (only joking! - the information is intended to be general, and hopefully not too heavy).


General Background Information on CCTV Cameras

Externally Synchronised Cameras

Video Signals

Camera Power Supplies

Scanning Systems


Specific CCTV Camera Functions

Picture Resolution

Camera Sensitivity

Exposure Control

Lens Considerations

Environmental Factors



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All the detailed information on this site is provided in good faith; and as such, Doktor Jon
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resulting from any individual or organisation acting on the details contained herein.

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