relay-switching system
51Contel — Corporation Former type Public Industry Communications Services Fate Acquired Successor GTE Founded 1960 Defunct …
52Stephan Forté — Stéphan Forté Pays d’origine  France Genre musical Metal progressif Instruments Guitare Site officiel …
53ESC — can refer to: * As an abbreviation ** Ecole Supérieure de Commerce a business school in the French system of Grandes Ecoles , such as Ecole Supérieure de Commerce de Rennes ** The Edmonton Ski Club ** Electric Sheep Company. ** Electronic… …
54Spacecraft Tracking and Data Acquisition Network — Orroral Valley STADAN control panel, at the National Museum of Australia The Spacecraft Tracking and Data (Acquisition) Network (STADAN or STDN) was established by NASA to satisfy the requirement for long duration, highly available space to… …
55Liste der Telekommunikationsstandards — Liste von Standards und Richtlinien aus der Telekommunikation. Inhaltsverzeichnis 1 ETSI 1.1 Nomenklatur 1.1.1 derzeit gültige Nomenklatur 1.1.2 vorherige Nomenklatur …
56Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …
57Motor controller — A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.[1] A motor controller might include a manual or automatic means for starting and stopping the motor,… …
58Computers and Information Systems — ▪ 2009 Introduction Smartphone: The New Computer. The market for the smartphone in reality a handheld computer for Web browsing, e mail, music, and video that was integrated with a cellular telephone continued to grow in 2008. According to… …
59Thermostat — This article is about the temperature regulating device. For the French cooking oven temperature scale, see Gas Mark#Other cooking temperature scales. Honeywell s iconic The Round model T87 thermostat, one of which is in the Smithsonian …
60Liste der Schaltzeichen (Elektrik/Elektronik) — In diesem Artikel oder Abschnitt fehlen folgende wichtige Informationen: Es fehlen u. a. Schaltzeichen und graphischen Symbole für Akkumulatoren und Primärzellen Koppelstufen Wählerelemente Fernsprecher Sende und Empfangseinrichtunge …
