CCTV stands for closed circuit television. CCTV is different from television watching your favorite series as it does not transmit the signal to the public. Instead, an image is transmitted from video cameras to monitors or via a cable, a wireless transmitter or through the Internet. This image can be recorded and stored on a hard disk using the Digital Video Recorder (DVR).
There is an importance of closed circuit cameras in today’s life, where, in tracking and securing a property is that no one can deny the fact. The presence of closed circuit television cameras reduces crime, but they are also a way to fix it in the right place. While the quality of the camera is good, the camera position angle is not correct as it reduces the chances of proper use. The benefits of implementing a quality CCTV system include: Minimizing the risk of theft and other illegal activities. Protection against local threats, such as fires, terrorism and vandalism. They are not there for the prevention and detection of crimes! Performance monitoring allows individual employees to improve operations, improve customer service by observing peak and personnel rotation planning.
Choosing the right CCTV system and having it professionally installed is essential – it will provide you superior results and save you time and money. Remember that commercial CCTV systems are not in ready-made kits, so each component can be supplied especially for your needs. Let’s examine each of these elements.
The most important attributes in choosing a security camera are the type of output, placement location, minimum illumination, control mechanism and video resolution. Buyers should consider the attributes to distinguish a CCTV and select those that meet their needs.
The output of the security camera is the video signal output from the camera to a display monitor. A closed-circuit television sends an analog or digital output signal.
Analog CCTV transmits a continuous stream of video to the coaxial cable. Most existing plants today use analog technology, while digital technology becomes more accepted in the market.
High-resolution monochrome with high-tech digital output range of lines 580 and 0.05 lux ensures excellent images even in very dark lighting conditions.
Color Medium Resolution: Color cameras have never been as good or accessible to lower budget systems. Excellent for general detail and good quality supervision, with a typical performance of 350 lines and 1.5 lux.
Digital video transmits a discrete video distribution over a twisted pair cable. Digital CCTV cameras are usually equipped with an Internet address (IP). Therefore, it is also known with the name of the IP camera or network camera. By having an IP address, the camera can be easily integrated with existing network infrastructure.
Today most of them are using high definition and digital cameras for their quality and features.
High Resolution Color: Full digital cameras deliver high quality images with sharper definition and excellent output at 480 lines and 1 lux.
Day / night or infrared cameras: all day and all night – one camera. Using the latest intelligent digital detection, these cameras offer the maximum performance of high resolution daytime color cameras and automatically switches to monochrome high resolution camera when light levels drop. CCTV images are displayed on monitors.
You can find excellent use of CCTV camera and India is no exception. India’s concerns about CCTV is a bit different, it comes from other countries. CCTV was first conceived by German scientist Walter Lunch in 1942. It was used to monitor launch rockets. It was used to monitor any technical flaws that occurred during lancement.UK and the United States are used to monitor public places for crime prevention. The use of video is spreading rapidly in other countries. The largest number of CCTV cameras exists today in Europe. The European government spends nearly two-thirds of its crime prevention budget on CCTV cameras. In India, the Information Technology Act, passed in 2008, provided immense power for government oversight. The government can control all premises, even if it is a look at privacy, to protect the interests of the general public. India’s closed-circuit television will gradually reach roads, civil organizations and other public places. Installing CCTV cameras in public places in India can reduce crime and antisocial behavior. The range of CCTV security cameras in India is very important in the near future! The outlook towards CCTV in India has changed radically! Today, the use of CCTV cameras in India is not limited to highly sensitive areas, such as banks, bus terminals, airports, etc. But also in offices, restaurants, shops and other places of daily life, the installation of closed-circuit security cameras to monitor activities take place on the premise. CCTV in India has become an important tool for security. For more details on the CCTV camera and purchase, click on the below link.CCTV Camera: CCTV stands for closed circuit television. CCTV is different from television watching your favorite series as it does not transmit the signal to the public. Instead, an image is transmitted from video cameras to monitors or via a cableArticle Source: http://www.thearticlesbase.com/cctv-security-camera/