What is CCTV? & How does it work? W hat CCTV means? - CCTV full form or CCTV abbreviation is- Closed Circuit Television .Detailed ...
What is CCTV? & How does it work?
What CCTV means?- CCTV full form or CCTV abbreviation is-Closed Circuit Television.Detailed CCTV information
History Of CCTV ( Closed Circuit Television) - invented in Germany by Walter Bluch in 1942. Siemens AG is the first one to install the CCTV cameras to monitor the launching process of Test rockets in Nazi Germany. Vericon is the first one who introduced the commercial CCTV system officially in the United States and slowly CCTV spread across the globe with different and names.
In a simple way, CCTV is a system that transmits the signals through the cable using the camera fixed at the specified place and converts into a video using the video compression streams like H.263, H.264, H.265.
H.265 is the latest video compressing stream that developed and most of the CCTV Manufacturers use the H.264 and H.265 stream in their products as it is a new one.
What is the use of CCTV surveillance cameras?
As all of you know that having CCTV is very advantageous in order to maintain safety & security of the premises, belongings or your loved ones as
It plays a very important role in it.
Here are a few important factors that how CCTV is very useful.
Monitoring Activities
Proof or Evidence of the Incident
Do you know that CCTV footage ( video recordings) will be considered as the proof of incident! any activities that recorded are considered to be the proof of incident. Hence it is any advantage of having the CCTV in your premises in order to collect and displaying the proof of incident when its necessary.
Crime Prevention
As per the many surveys that conducted all over the word says that CCTV Camera's can prevent the crime. Yes, it is true. Many Physiological surveys prove that the threat of the crime on the premises which is not having the CCTV is more than which is having CCTV installed on their premises. it is Human tendency is that if any human intends to commit any crime before committing he will ensure all the precautions are taken in order to get escape or not to get caught after crime committing. if there are any chances of getting caught than he may change or postpone his/her intent of committing crime as there are chances of getting caught after the crime committed as CCTV footage are the proof of incidents or Crime. Hence he/she will think twice or change/postpone his intention of committing the crime.
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CCTV System has an option of storing the camera recorded videos in the storage devices that can be kept and maintained for a long time as the records of the activities that took place at the premises which you may need it at any time in the future.
in the beginning days of CCTV, there were no storage devices were available to store the CCTV camera recorded videos hence CCTV was only being used for premises activity monitoring purpose but now things are changed. You can store the CCTV camera recordings for however long you want to by using the external and internal Hard drives ( storage devices).
CCTV system means it is not only the Cameras. CCTV System is the combined set of equipment that becomes a CCTV System.
TYPES OF CCTV CAMERAS
CCTV Cameras are categorized into 2 categories
What is an IP (Network) CCTV camera?
As the answer is in the name itself that IP (Network) cameras are the type of CCTV camera that can be connected to a network with or without using the NVR (Network Video Recorder). IP (Network) cameras can be connected and accessed directly through the network. CAT5 or CAT6 Ethernet cables are used to connect these cameras to NVR or network. If you compare the Analog and IP (Network) camera price then IP camera price is on the little higher end and the reason behind that is this camera's performance. users experience better video clarity and more functional features in the IP (Network) cameras.
Most of the corporates, Defense & govt agencies prefer to use the IP(network) cameras only.
Varients (Models) of CCTV Cameras
[Know more about CCTV Cameras##eye##]
CCTV system means it is not only the Cameras. CCTV System is the combined set of equipment that becomes a CCTV System.
All the below devices or components needed for CCTV to perform its action.
TYPES OF CCTV CAMERAS
CCTV Cameras are categorized into 2 categories
- Analog CCTV Camera
- IP (Network) CCTV Cameras.
What is an Analog CCTV camera?
Analog CCTV cameras are those cameras that can be connected to DVR through coaxial cable using the BNC Connectors. Analog cameras do not require any cabled network to be connected in order to perform its actions. Analog cameras are very easy to install and maintain. comparing to IP(Network) Cameras Analog cameras prices are less and budget-friendly. Analog cameras can not be connected to any network without using the DVR.
What is an IP (Network) CCTV camera?
As the answer is in the name itself that IP (Network) cameras are the type of CCTV camera that can be connected to a network with or without using the NVR (Network Video Recorder). IP (Network) cameras can be connected and accessed directly through the network. CAT5 or CAT6 Ethernet cables are used to connect these cameras to NVR or network. If you compare the Analog and IP (Network) camera price then IP camera price is on the little higher end and the reason behind that is this camera's performance. users experience better video clarity and more functional features in the IP (Network) cameras.
Most of the corporates, Defense & govt agencies prefer to use the IP(network) cameras only.
Varients (Models) of CCTV Cameras
- DOME CAMERA
- BULLET CAMERA
- PTZ (PAN-TILT-ZOOM) CAMERA
- FISHEYE CAMERA
- SPY/HIDDEN CAMERA
[Know more about CCTV Cameras##eye##]
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