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Closed-circuit television (CCTV), also known as video surveillance, [1][2] is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point, point-to-multipoint (P2MP), or ...
Vandal dome-style camera. A closed-circuit television camera is a type of surveillance camera that transmits video signals to a specific set of monitors or video recording devices, rather than broadcasting the video over public airwaves. The term "closed-circuit television" indicates that the video feed is only accessible to a limited number of ...
Connection. Ethernet, Wi-Fi. An Internet Protocol camera, or IP camera, is a type of digital video camera that receives control data and sends image data via an IP network. They are commonly used for surveillance, but, unlike analog closed-circuit television (CCTV) cameras, they require no local recording device, only a local area network.
In May 2017, Hikvision established Hikstorage, a subsidiary focused on the production of storage devices. [ 13 ] In January 2021, the company won a US$33 million, 1,900-camera smart city project in Shanghe County , Shandong that includes cameras with facial recognition and license plate recognition technologies.
Website. www.dahuasecurity.com. Zhejiang Dahua Technology Co., Ltd. (commonly known as Dahua Technology) is a publicly traded company based in Binjiang District, Hangzhou, which manufactures video surveillance equipment. [4] A minority of Dahua is state-owned (11.67% as of 2023).
Simple NVR-based camera system. A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system.
A digital video recorder (DVR), also referred to as a personal video recorder (PVR) particularly in Canada and British English, is an electronic device that records video in a digital format to a disk drive, USB flash drive, SD memory card, SSD or other local or networked mass storage device. The term includes set-top boxes (STB) with direct to ...
The purpose of ISO/IEC 27040 is to provide security guidance for storage systems and ecosystems as well as for protection of data in these systems. It supports the general concepts specified in ISO/IEC 27001 . This International Standard is relevant to managers and staff concerned with information security risk management within an organization ...