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railway signal

См. также в других словарях:

  • Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …   Wikipedia

  • General Railway Signal — Infobox Company company name = General Railway Signal Company company company type = dependent site within ALSTOM since 1998 foundation = 1904 location city = Rochester location country = New York key people = products = Equipment and services… …   Wikipedia

  • The Institution of Railway Signal Engineers — The Institution of Railway Signal Engineers, known more usually as the IRSE, is an international organisation, active throughout the world. It is the professional body for all those engaged or interested in railway signalling and… …   Wikipedia

  • Signal — Signal, signals, signaling, or signalling may refer to: Scientific concepts * Signal (electrical engineering), a physical quantity that can carry information. * Signal processing, the field of techniques used to extract information from signals * …   Wikipedia

  • Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …   Wikipedia

  • Railway semaphore signal — One of the earliest forms of fixed railway signal is the semaphore. These signals display their different indications to train drivers by changing the angle of inclination of a pivoted arm . Semaphore signals were patented in the early 1840s by… …   Wikipedia

  • Signal box — A signal box or signal cabin is a building from which railway signals and points are controlled. The term signal cabin is used in Ireland, parts of Scotland and in Australia while in North America, the term interlocking tower predominates.… …   Wikipedia

  • signal box — Brit. a railway signal tower. [1820 30] * * * …   Universalium

  • Signal passed at danger — (SPAD), in railway terminology, describes an event where a train has run beyond its allocated signal block without authority, as indicated by a lineside signal showing danger (typically a red light). It is a term primarily used within the British …   Wikipedia

  • Railway time — was the name given to the standardised time arrangement first applied by the Great Western Railway in England in November 1840. This was the first recorded occasion when a number of different local times were synchronised and a single standard… …   Wikipedia

  • signal — Ⅰ. signal [1] ► NOUN 1) a gesture, action, or sound conveying information or an instruction. 2) an indication of a state of affairs. 3) an event or statement that provides the impulse or occasion for something to happen. 4) a light or semaphore… …   English terms dictionary

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