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Strowger system

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  • Strowger switch — The Strowger switch, also known as Step by Step or SXS , is an early electromechanical telephone switching system invented by Almon Brown Strowger. It is a specialized version of a stepping switch.HistoryAccording to legend, Almon Strowger was… …   Wikipedia

  • Strowger — Almon Brown Strowger (* 1839 in Penfield, New York; † 26. Januar 1902 in Saint Petersburg, Florida) entwickelte 1889 mit dem elektrischen Schrittschaltwähler die technische Grundlage für die weltweit ersten automatisch arbeitenden… …   Deutsch Wikipedia

  • Almon Brown Strowger — Infobox Celebrity name = Almon Brown Strowger image size = 150px caption = birth date =birth date|1839|02|11 birth place =Penfield, New York death date =death date and age|1902|05|26|1839|02|11 death place =St. Petersburg, Florida occupation =… …   Wikipedia

  • Almon Strowger — Almon Brown Strowger (* 19. Oktober 1839 in Penfield, New York; † 26. Mai 1902 in Saint Petersburg, Florida) entwickelte 1889 den elektromechanischen Hebdrehwähler, welcher die technische Grundlage für die weltweit ersten automatisch arbeitenden… …   Deutsch Wikipedia

  • 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

  • Director telephone system — The Director System was a system which made it possible to call subscribers at other telephone exchanges without operator intervention in large multi exchange cities, and to have a mixture of automatic and manual exchanges within these cities. It …   Wikipedia

  • Plain Old Telephone System — POTS ist die Abkürzung für „Plain old telephone service“ (englisch für: „einfacher alter Telefondienst“, übertragen etwa „der gute alte Telefondienst“). Sie hat sich in der Fachsprache als Bezeichnung für den analogen Telefondienst eingebürgert.… …   Deutsch Wikipedia

  • Number One Crossbar Switching System — The Number One Crossbar Switching System, or 1XB switch, was the primary urban local telephone exchange design used by the Bell System in the mid 20th century. Its switch fabric topology was based on the earlier urban panel switch system, which,… …   Wikipedia

  • Number Five Crossbar Switching System — The Number Five Crossbar Switching System or 5XB switch, designed by Bell Labs and made by Western Electric, was in use in Bell System telephone exchanges from 1948 to the 1980s. Its principal use was as a Class 5 telephone switch, though… …   Wikipedia

  • Automatic Warning System — Le sunflower. L’Automatic Warning System (AWS) est un système de répétition des signaux en cabine utilisé au Royaume Uni (à partir de 1956) à Hong Kong et en Australie (Queensland et …   Wikipédia en Français

  • 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

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