Browse listings for Samsung of surveillance systems and surveillance equipment. Find Samsung security surveillance systems or covert surveillance equipment to protect your business. Read our Guide to Samsung Security Systems for more useful information.
Browse listings for security system of surveillance systems and surveillance equipment. Find security surveillance systems or covert surveillance equipment to protect your business. Read our Guide to Security Systems for more useful information.
A digital video recorder (DVR) or personal video recorder (PVR) is a device that records video in a digital format to a disk drive or other memory medium within a device. The term includes stand-alone set-top boxes, portable media players (PMP) and software for personal computers which enables video capture and playback to and from disk. Some consumer electronic manufacturers have started to offer televisions with DVR hardware and software built in to the television itself; LG was first to launch one in 2007.[1] A digital camcorder combines a camera and a digital video recorder. Also, mobile phones often have a camera as well as some digital video recording capability. Digital video recorder
Closed-circuit television (CCTV) is the use of video cameras to transmit signal to a specific, limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point wireless links. CCTV is often used for surveillance in areas that need monitoring such as banks, casinos, airports, military installations and convenience stores. Increasing use of CCTV in public places has caused debate over public surveillance versus privacy. Now a days people are getting CCTV Systems installed at their homes and other private locations also. Now Advance form of CCTV i.e. Digital Video Recorders (DVR) provide recording up to many years and a very good quality and performance. In industrial plants, CCTV equipment may be used to observe parts of a process that are remote from a control room, or where the environment is not comfortable for humans. CCTV systems may operate continuously or only as required to monitor a particular event.
ระบบโทรทัศน์วงจรปิด (Close Circuit Television (CCTV) System)