electric bell system
1Electric Tablet System — Das Electric Tablet System oder auch Token System ist ein Streckenblock für eingleisige Eisenbahnstrecken. Es wurde von Edward Tyer (1830 1912) entwickelt und im Jahr 1880 patentiert. Da es gegenüber seinen Vorgängern die Betriebssicherheit im… …
2Bell System — ] The Bell System was commonly referred to by the nickname Ma Bell. History Formation under Bell patentReceiving a U.S. patent for the invention of the telephone on March 7, 1876, Alexander Graham Bell formed the Bell Telephone Company in 1877… …
3Bell System — ▪ American telephone system a former American telephone system, governed by American Telephone & Telegraph Company (now AT&T Corporation (AT&T Corporation); q.v.) and including Western Electric Company (Western Electric Company Inc.) (q.v.) …
4Bell Labs — Bell Laboratories (also known as Bell Labs and formerly known as AT T Bell Laboratories and Bell Telephone Laboratories) is the research organization of Alcatel Lucent and previously the American Telephone Telegraph Company (AT T). Bell… …
5Bell-Laboratorien — Bell Labs in Murray Hill, New Jersey Bell Laboratories bzw. Bell Labs (Ältere Bezeichnung BTL, Bell Telephone Laboratories Inc.) ist Teil der Forschungs und Entwicklungsabteilung von Alcatel Lucent. Der Hauptsitz der Bell Labs ist in Murray Hill …
6Bell Labs — in Murray Hill, New Jersey Bell Laboratories bzw. Bell Labs (Ältere Bezeichnung BTL, Bell Telephone Laboratories Inc.) ist Teil der Forschungs und Entwicklungsabteilung von Alcatel Lucent. Der Hauptsitz der Bell Labs ist in Murray Hill, New… …
7Bell Telephone Laboratories — Bell Labs in Murray Hill, New Jersey Bell Laboratories bzw. Bell Labs (Ältere Bezeichnung BTL, Bell Telephone Laboratories Inc.) ist Teil der Forschungs und Entwicklungsabteilung von Alcatel Lucent. Der Hauptsitz der Bell Labs ist in Murray Hill …
8Bell — may refer to: Devices that produce sound * Altar bell, a bell rung during the Catholic Mass. * Bell character, a character that produces an audible signal at a terminal. * Bell effect, a musical technique similar to an arpeggio. * Bell… …
9Bell Canada — Infobox Company company name = Bell Canada company company type = Public (tsx|BCE, nyse|BCE) foundation = 1880, by Charles Fleetford Sise location = Montreal, Quebec, Canada key people = George Cope (CEO)cite press release title = George Cope… …
10Bell Telephone Company — The Bell Telephone Company, a common law joint stock company, was organized in Boston, Massachusetts on July 9, 1877 by Alexander Graham Bell s father in law Gardiner Greene Hubbard, who also helped organize a sister company the New England… …
