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alternating current detector

См. также в других словарях:

  • detector — /di tek teuhr/, n. 1. a person or thing that detects. 2. a device for detecting smoke, fire, or some other hazardous condition. 3. a device for detecting the presence of metal, contraband, or other items that might be hidden or concealed. 4.… …   Universalium

  • detector — de•tec•tor [[t]dɪˈtɛk tər[/t]] n. 1) a person or thing that detects 2) cvb any of various devices for detecting and registering the presence of or a change in something 3) tgp a) a device for detecting electric oscillations or waves b) elo a… …   From formal English to slang

  • Metal detector — A U.S. Army soldier uses a metal detector to search for weapons and ammunition in Iraq A metal detector is a device which responds to metal that may not be readily apparent. The simplest form of a metal detector consists of an oscillator… …   Wikipedia

  • Cat's-whisker detector — Galena cat s whisker detector Precision cat s whisker d …   Wikipedia

  • CLEO (particle detector) — CLEO was a general purpose particle detector at the Cornell Electron Storage Ring (CESR), and the name of the collaboration of physicists who operated the detector. The name CLEO is not an acronym; it is short for Cleopatra and was chosen to go… …   Wikipedia

  • Neutrino detector — The Sudbury Neutrino Observatory, a 12 meter sphere filled with heavy water surrounded by light detectors located 2000 meters below the ground in Sudbury, Ontario, Canada. A neutrino detector is a physics apparatus designed to study neutrinos.… …   Wikipedia

  • crystal detector — noun a detector consisting of a fine wire in contact with a galena crystal; acts as a rectifier • Hypernyms: ↑detector • Part Meronyms: ↑crystal * * * noun radio : a detector that depends for its operation on the rectifying action of the surface… …   Useful english dictionary

  • crystal detector — /krɪstl dəˈtɛktə/ (say kristl duh tektuh) noun a device used in early radio receiving apparatus for rectifying the alternating currents, consisting essentially of a crystal, as of galena or carborundum, permitting a current to pass freely in one… …   Australian English dictionary

  • Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …   Wikipedia

  • Crystal radio — Crystal set redirects here. For the Australian rock band, see The Crystal Set. A modern reproduction of an antique crystal set. It is tuned to different stations by moving the sliding contact (right) up and down the tuning coil (red). The device… …   Wikipedia

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium