DVR Cards by Max Bellamy
A DVR card looks quite similar to the common computer video card in many PCs. However, when it comes to functioning, there are a lot of differences between them. DVR cards come with software that can be used to display and record information from multiple cameras at the same time. ... Only a limited number of cameras are supported by the old DVR cards (launched nearly two years ago). ... At these ports, the output from the security cameras is plugged in to the card. ... If more cameras were needed, more cards had to be installed.

How Biometric Technology is Used in Video Surveillance by Alice Osborn
As the recent July 7th London bombings would reveal, biometric technology images from over 200,000 video surveillance cameras are key weapons against the terrorists. What makes these biometric cameras so extraordinary is that these cameras have a 360-spherical lens, called a fisheye, to follow... Both of these companies’ systems need high resolution cameras to achieve the results expected and they work best when the subject is a few feet away from the video cameras. ... Fixed cameras have blind spots.” These cameras capture the biometric facial recognition data needed to identify suspects...

What Is Memory Card Speed? by Iggy Quazi
In a few short years since the launch of the first 4Mb flash memory card, the number of flash memory cards available for digital cameras and other devices has exploded with a number of different formats and speeds of memory card. It's no wonder the average person is totally baffled by this... This is mainly due to the advancement of our digital devices, especially digital cameras, camcorders and music devices. ... It used to be the case where very few people would actually benefit from very high-speed cards, typically only professionals who used expensive, specialized products benefited,...

Digital Camera Printer: Making the Printing Process Easier by Ismael Tabije
Gone are the days of the box-camera – it is the age of digital technology and digital cameras have taken over the entire range of photography. However, at its early stages, digital photography had eclipsed the most exciting aspect of seeing what you have clicked on photographic prints. ... Given below are the special features and other information relating to these cameras that will help you make the right choice In order to get prints at home, digital camera printers have special features ranging from paper sensors that recognize photo media to built-in editing tools.

The Evolution of CCTV Technology by John Beagle
Each camera had its own monitor. CCTV systems were introduced progressively throughout the 1960s and 70s. New applications of camera security systems included underground trains and stations, football stadium, retail stores, shopping centers, public housing, community parks, garages and parking... Slow Evolution The basic technology evolved slowly during this period, the only real developments being the adoption of solid state cameras and the integration of VCRs. ... Today's generation cameras can PTZ - pan, tilt and zoom, have higher resolution options, a large variety of lenses and are...

Spy Camera Software by Max Bellamy
There are two types of spy camera software that are completely different from each other. Firstly, it is the software needed to run spy cameras, and secondly, it is certain software programs available to the public that eliminate the need for a private investigator. ... People who get pop-ups from different sites with absolutely no reason at all that are not related at all to the website that they are visiting at the moment, there is a good chance they have spyware on their computer. ... There is another category of software called spyware.

How Effective are CCTV Security Systems at Reducing Crime? by Alice Osborn
Since the July 7th London bombings, CCTV security systems (closed circuit TV) across the world have been examined with greater scrutiny and with greater expectations for reducing crime. Although not a panacea for preventing crime, many CCTV surveillance systems have been successful at reducing... Although the CCTV systems do help at deploying police officers quickly to these violent crimes sites, the offenders may avoid the security cameras, since the security cameras are mounted in public zones, where violent crimes don’t take place.

Questions To Ask When Buying A Digital Camera by Idan Lavi
With literally hundreds of different makes and models on the market, buying a digital camera can be a very confusing process. To find the best in digital camera options, a person should ask themselves some very frank questions and answer them first before seeking out models that match the stated... Since many digital cameras can in fact take some excellent video clips, this option is worth looking at. ... Some people looking at buying a digital camera will also intend to use these devices for shooting video.

All The Amazing Secrets About Optimus Digital Photo Frames Revealed by James Dawson
A digital photo frame is a picture frame that displays digital photos without the need for printing them first. The advent of digital cameras necessitates this type of product, as fewer than 35% of digital photos are ever printed. Digital photo frames typically display the pictures directly from... Because of the popularity of digital cameras, image editing programs are readily available. ... As digital cameras become more commonplace, the number of digital photos increases at a rapid rate, and customers choose products like optimus and digital photo frame.

CCTV Surveillance Systems Used as a Crime Fighting and Prevention Tool by Alice Osborn
CCTV surveillance systems play an important role in fighting and preventing local and international crime. These closed circuit television systems were in place in London before the July 7th bombings and this footage is being used to identify suspects and investigate the attacks. ... Digital surveillance cameras range in type from compact, fixed cameras to direction-controlled models that can see in the dark under various lighting conditions. ... These video security managers also need to consider weatherproofing their surveillance cameras if the cameras are mounted in an especially hot or...