electromagnetic relay
91George Sweigert — For the U.S. basketball player see George Webb Sweigert.George H. Sweigert (1920 1999) is widely credited as the first inventor to hold a patent for the invention of the cordless telephone. Born in Akron, Ohio, Sweigert served for four years in… …
92Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …
93Flyback diode — A flyback diode (sometimes called a snubber diode, freewheeling diode, suppressor diode, or catch diode [http://www.hp9825.com/html/internal printer.html] ) is a diode used to eliminate flyback, the sudden voltage spike seen across an inductive… …
94USS Georgetown (AG-165) — USS Georgetown (AGTR 2/AG 165), was an Oxford class technical research ship acquired by the U.S. Navy for the task of conducting research in the reception of electromagnetic propagations.Georgetown was a converted Liberty type cargo ship, was… …
95Stop action magnet — The stop action magnet, usually abbreviated to SAM, is an electromagnetic device used for the control of pipe organs and virtual pipe organs, and forms part of the organ s combination action. On a classical organ the device may be referred to as… …
96Fiber optic sensor — A fiber optic sensor is a sensor that uses optical fiber either as the sensing element ( intrinsic sensors ), or as a means of relaying signals from a remote sensor to the electronics that process the signals ( extrinsic sensors ). Fibers have… …
97microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …
98History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… …
99Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
100Near Field Communication — or NFC, is a short range high frequency wireless communication technology which enables the exchange of data between devices over about a 10 centimetre (around 4 inches) distance.Fact|date=July 2008 The technology is a simple extension of the ISO …
