track inductor
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Automatic Warning System — The Automatic Warning System (AWS) is a form of limited cab signalling and train protection system introduced in 1956 in the United Kingdom to help train drivers observe and obey signals. It was based on a 1930 system developed by Alfred Ernest… … Wikipedia
Magnetic core — A magnetic core is a piece of magnetic material with a high permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, inductors and magnetic … Wikipedia
Distributed element filter — Figure 1. A circuit featuring many of the f … Wikipedia
HiPER — (High Power laser Energy Research, Investigación sobre Energía con Láseres de Alta Potencia) es una instalación experimental para lograr la fusión por confinamiento inercial (FCI) mediante láser. Actualmente se encuentra en fase de diseño y es un … Wikipedia Español
Grade crossing predictor — A grade crossing predictor is an electronic device which is connected to the rails of a railroad track, and activates the crossing s warning devices (lights, bells, gates, etc.) at a consistent interval prior to the arrival of a train at a grade… … Wikipedia
navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… … Universalium
Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal … Wikipedia
Inductrack — is a completely passive, fail safe magnetic levitation system, using only unpowered loops of wire in the track and permanent magnets (arranged into Halbach arrays) on the vehicle to achieve magnetic levitation. The track can be in one of two… … Wikipedia
Non-directional beacon — Radio Tower of NKR Leimen Ochsenbach, Germany This symbol denotes an NDB on an aeronaut … Wikipedia
Potentiometer — This article is about the electrical component. For the measuring instrument, see Potentiometer (measuring instrument). Potentiometer A typical single turn potentiometer Type Passive Electronic s … Wikipedia
Radio Electronic Token Block — is a system of railway signalling used in the United Kingdom. It is a development of the physical token system for controlling traffic on single lines. How it works On arrival at a token exchange point , the driver reports his/her position to the … Wikipedia
