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8 mm × 8 mm lens with a built-in image sensor, used for a mini camcorder. A hidden camera or spy camera is a camera used to photograph or record subjects, often people, without their knowledge. The camera may be considered "hidden" because it is not visible to the subject being filmed, or is disguised as another object.
Closed-circuit, or CCTV cameras, stream through wired or wireless links. [9] These cameras stream live footage to users, allowing them to watch for suspicious activity. Current cameras feature abilities such as motion detection and two-way audio, allowing users to receive notifications of activity and speak and listen through the camera.
The first Gorgon Stare system consisted of two sensor pods, one carrying electro-optical (EO) and infrared cameras (IR), the other digital processors and data-links that enabled quick transmission of actionable intelligence to operations centers and troops in the field. The system delivered three "tiers" of surveillance down to small details ...
Digital wireless camera. Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.
Hanwha Vision (Korean: 한화비전; RR: Hanhwa Bijeon), founded as Samsung Techwin, is a video surveillance company. [2] It is a subsidiary of Hanwha Group . The company employs 1,822 people and is headquartered in South Korea .
A motion detector may be among the sensors of a burglar alarm that is used to alert the home owner or security service when it detects the motion of a possible intruder. Such a detector may also trigger a security camera to record the possible intrusion. Motion controllers are also used for video game consoles as game controllers.
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