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A webcam is a video camera which is designed to record or stream to a computer or computer network. They are primarily used in video telephony , live streaming and social media , and security . Webcams can be built-in computer hardware or peripheral devices , and are commonly connected to a device using USB or wireless protocol .
The earliest video cameras were based on the mechanical Nipkow disk and used in experimental broadcasts through the 1910s–1930s. All-electronic designs based on the video camera tube, such as Vladimir Zworykin's Iconoscope and Philo Farnsworth's image dissector, supplanted the Nipkow system by the 1930s.
Webcam; Wright camera; Zenith camera; Zoom-lens reflex camera; The term camera is also used, for devices producing images or image sequences from measurements of the physical world, or when the image formation cannot be described as photographic: Acoustic camera which makes sound visible in three dimensions; Gamma camera
Four Sony CCU-D50 control units. The camera control unit (CCU) is typically part of a live television broadcast chain. It is responsible for powering the professional video camera, handling signals sent over the camera cable to and from the camera, and can be used to control various camera parameters remotely.
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Logitech 720p Webcam C905 V-UBU48 860-000108 2007 Notebook/General 1600 × 1200 video, 8.0 Mpixel still photo Auto 78 cm USB cord. Comes with 30 weighted base and mounting stalk. RightLight2 lighting correction. Logitech QuickCam Pro 9000 V-UBM46 860-000109 960-000313 2007 High-End 1600 × 1200 @ 30 frame/s video, 8.0 Mpixel still photo Auto
Visual chat rooms add graphics to the chat experience, in either 2D or 3D (employing virtual reality technology). These are characterized by using a graphic representation of the user, an avatar virtual elements such as games (in particular massively multiplayer online games) and educational material most often developed by individual site owners, who in general are simply more advanced users ...
Prior to the camcorder, a portable recorder and camera would be required. This is a Sony SL-F1 Betamax recorder and video camera. [2] Sony Betamovie BMC-110 (BMC-100P in PAL markets) is the first consumer camcorder.