The image light passing through the lens, this filter is reflected in a RGB (Red-Green-Blue), which breaks up light into three primary colors: red, green and blue. This division focuses on a ray light-sensitive chip called the CCD (’Charge Coupled Device’), which assigns binary values ​​to each pixel and sends the digital data for video encoding and subsequent storage or shipment via Internet through instant messaging programs such as Microsoft ® Messenger.
Definition Webcam
’Webcam’ means camera for network use. A device that connects to computer USB port, and so can capture video and take digital photos with low resolution, so it does not offer a high quality of graphics as opposed to a digital camera, digital camcorder or a cell phone modern. The video captures, encodes especially for sending over the Internet (global network of networks) in real time (as much as instantly as possible), to another computer where other users can view it at the time. Is widely used for Internet discussions and chat to more personalized, as well as for surveillance activities.
Currently competes in a market segment to IP cameras. + Has a generally low resolution, approximately 640 X 480 pixels and the images transmitted instantly over the Internet must have a very low file size.
+ Depending on the model, with the lens rotating 360 ° horizontal, a base adaptable to the surface, and even microphone.
+ You can take photos instantly, but with low resolution.
+ Its design is very specific for entertainment applications and in some cases surveillance camera
