S/N RATIO Signal-to-Noise ratio is calculated with the logarithm of the normal signal and the noise RMS value.

MAGNIFICATION RATIO The ratio between the focal length of a lens and the focal length of a standard angle lens. Indicates the magnification of the image when compared to an image from a standard angle lens.

DARK CURRENT Leakage signal from a CCD sensor in the absence of incident light.

AC Alternating Current

Although we are most familiar with cellular phones, there is a whole different breed of portable phones some people are not aware even exist. While cell phones rely on towers to transmit voice signals, satellite phones transmit through a variety of satellites in the sky.

When you�re in business, you always want to give the best to get the most. One of the efficient devices to add to your arsenal is the Bluetooth headset to keep tabs on people and their latest exploits in the name of the business.

GibLink � Global Internet Business Link � �The time has now come for everyone to join the global marketplace and, in the process, change the way the world does business. In a world full of incredible success stories, a chapter has now been written with you in it!� This is the first paragraph on the page that describes GibLink and the words should send chills through your spine.

For more than twenty years people watching the internet grow have declared that soon we will be a paperless society. In the last ten years as E-book and portable appliances have become popular the doomsayers have said publishing and printed books are at the end of their time. Tell that to Harry Potter. The boy wizard and his 12 million book first-run publishing records prove what book lovers have always known. Books are here to stay. There is no experience like sitting down w...

This article looks at what a VOIP headset is and how it can benefit you in either a work or home environment.

It is common for jewelers, craftsmen and quality controllers to use magnifying glasses to enlarge the appearance of an object they are analyzing. At the home, people with near vision difficulties are able to enhance their vision with a magnifier. With this, the text on a page will seem larger, and therefore easier to read.