operator indicator

См. также в других словарях:

• Indicator telegraph — Telegraph Tel e*graph, n. [Gr. ? far, far off (cf. Lith. toli) + graph: cf. F. t[ e]l[ e]graphe. See {Graphic}.] An apparatus, or a process, for communicating intelligence rapidly between distant points, especially by means of preconcerted… …   The Collaborative International Dictionary of English

• Position operator — In quantum mechanics, the position operator corresponds to the position observable of a particle. Consider, for example, the case of a spinless particle moving on a line. The state space for such a particle is L 2(R), the Hilbert space of complex …   Wikipedia

• Dial indicator — Dial indicators, also known as dial gauges and probe indicators, are instruments used to accurately measure small linear distances, and are frequently used in industrial and mechanical processes. They are named so because the measurement results… …   Wikipedia

• Safe Load Indicator — A Safe Load Indicator (SLI) is a device fitted to a crane designed to alert the operator if the lift is exceeding the safe operating range of the machinery. In some cases, the device will physically lock the machinery in circumstances it… …   Wikipedia

• Message-waiting indicator — A message waiting indicator (MWI) in telephony, is a Telcordia Technologies (formerly Bellcore) term for an FSK based telephone calling feature that illuminates an LED on select telephones to notify a telephone user of waiting voicemail messages… …   Wikipedia

• Bomb Power Indicator — known by the accronym BPI was a detection instrument, located at the twenty five British Royal Observer Corps controls and nearly 1,000 ROC underground monitoring posts, across the United Kingdom and Northern Ireland, during the Cold War that… …   Wikipedia

• Panel call indicator — Panel Call Indicator, or PCI, is a form of signalling used between two telephone offices.PCI was designed along with the panel type of telephone office. The original purpose of PCI was to allow panel subscribers to dial numbers in manual offices… …   Wikipedia

• Loaded chamber indicator — Loaded chamber indicators offer a tactile and visual warning to the shooter. The words Loaded When Up are present and the color red stands out against the gun s finish. The loaded chamber indicator is a safety device present on many semi… …   Wikipedia

• Cryptanalysis of the Enigma — enabled the western Allies in World War II to read substantial amounts of secret Morse coded radio communications of the Axis powers that had been enciphered using Enigma machines. This yielded military intelligence which, along with that from… …   Wikipedia

• Enigma machine — Military Enigma machine …   Wikipedia

• Marian Rejewski — (probably 1932, the year he first solved the Enigma machine). Courtesy of Janina Sylwestrzak, Rejewski s daughter. Born Marian Adam Rejewski August 16, 1905(1905 0 …   Wikipedia