reed-relay switch

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• Reed relay — A reed relay is one or more reed switches controlled by an electromagnet. The contacts are of magnetic material and the electromagnet acts directly on them without requiring an armature to move them. Sealed in a long, narrow glass tube, the… …   Wikipedia

• Reed switch — Reed relay and reed switches Showing the contacts clearly The …   Wikipedia

• Reed — can refer to: * REED, a theatre research centre at the University of Toronto, Canada* Edward C. Reed High School, Sparks, Nevada * Reed Airport * Reed College, Portland, Oregon * Reed (Company), group of companies offering employment related… …   Wikipedia

• Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …   Wikipedia

• Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …   Wikipedia

• reed — noun 1》 a tall, slender leaved plant of the grass family, growing in water or on marshy ground. [Genera Phragmites and Arundo: several species.]     ↘used in names of similar plants growing in wet habitats, e.g. bur reed. 2》 a tall, thin,… …   English new terms dictionary

• Wire spring relay — A wire spring relay is a type of relay, primarily manufactured by the Western Electric Company for use by the Bell System in electromechanical telephone exchanges. It was licenced for use around the world, and was commonplace in Japan. A wire… …   Wikipedia

• Crossbar switch — In electronics, a crossbar switch (also known as cross point switch, crosspoint switch, or matrix switch) is a switch connecting multiple inputs to multiple outputs in a matrix manner. Originally the term was used literally, for a matrix switch… …   Wikipedia

• Control relay — A control relay is an electromechanical device which activates one or more switches according to the current through a coil not connected to the switches. The thyristor is a semiconductor device which carries out similar functions.A relay is… …   Wikipedia

• 1ESS switch — The Number One Electronic Switching System, the first large scale Stored Program Control (SPC) telephone exchange or Electronic Switching System in the Bell System, was introduced in Succasunna, New Jersey, in May 1965[1]. The switching fabric… …   Wikipedia

• TXE — TXE, which stands for Telephone eXchange Electronic, was the designation given to a family of telephone exchanges developed by the British General Post Office (GPO), now BT, designed to replace the ageing Strowger systems. When World War II ended …   Wikipedia