Cam broadcasts for adults option backdating and its implications

Let's just refer to "the image sensor" from now on (and forget about whether it's a CCD and other chips or a CMOS sensor).First, the image sensor measures how much light is arriving at each pixel.But CCDs are still widely used in some applications, such as low-light astronomy.Whether images are being generated by a CMOS sensor or a CCD and other circuitry, the basic process is the same: an incoming image is converted into an outgoing pattern of digital pixels.It's a semiconductor chip made of millions of tiny, light-sensitive squares arranged in a grid pattern. Basic webcams use relatively small sensors with just a few hundred thousand pixels (typically a grid of 640 × 480.

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Some cams work wirelessly and don't need to be connected to a computer: typically they use Wi-Fi to transmit their pictures to your Internet router, which can then make them available to other machines on your home network or, using the Internet, to anyone, anywhere in the world.

When you take a digital photo or stare into your webcam, light zooms into the lens.

This incoming "picture" hits the image sensor, which breaks it up into individual pixels that are converted into numeric form.

All webcams work in broadly the same way: they use an image sensor chip to catch moving images and convert them into streams of digits that are uploaded over the Internet.

The image sensor chip is the heart of a webcam—so how does that bit work? Take the outer case off a webcam and you'll find it's little more than a plastic lens mounted directly onto a tiny electronic circuit board underneath.

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