light-beam galvanometer

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• Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… …   Wikipedia

• galvanometer — /gal veuh nom i teuhr/, n. an instrument for detecting the existence of small electric currents and determining their strength. [1795 1805; GALVANO + METER] * * * Instrument for measuring small electric currents by deflection of a moving coil. A… …   Universalium

• galvanometer — An instrument for measuring the strength of an electric current. d Arsonval g. a sensitive g. consisting of a moving coil suspended in a permanent magnetic field between delicate metallic wires or ribbons that serve as both torsion …   Medical dictionary

• Mirror galvanometer — A mirror galvanometer A mirror galvanometer is a mechanical meter that senses electric current, except that instead of moving a needle, it moves a mirror. The mirror reflects a beam of light, which projects onto a meter, and acts as a long,… …   Wikipedia

• Oscilloscope history — This article discusses the history and gradual development of the Oscilloscope. Contents 1 Hand drawn oscillograms 2 Automatic paper drawn oscillograph 3 Photographic oscillograph 4 …   Wikipedia

• Laser projectors — A laser projector is a collection of lasers, mirrors, galvanometer scanners and other optical components housed in an enclosure. A laser projector can contain one laser light source for single color projection or possibly 3 sources for RGB (red,… …   Wikipedia

• Faraday paradox — This article describes the Faraday paradox in electromagnetism. There is a different Faraday paradox in electrochemistry: see Faraday paradox (electrochemistry). The Faraday paradox (or Faraday s paradox) is an experiment that illustrates Michael …   Wikipedia

• oscillograph — oscillographic, /euh sil euh graf ik/, adj. oscillography /os euh log reuh fee/, n. /euh sil euh graf , grahf /, n. Elect. a device for recording the wave forms of changing currents, voltages, or any other quantity that can be translated into… …   Universalium

• Submarine communications cable — A cross section of a submarine communications cable. 1 Polyethylene 2 Mylar tape 3 Stranded steel wires 4 Aluminium water barrier 5 Polycarbonate 6 Copper or aluminium tube 7 Petroleum jelly 8 Optical fib …   Wikipedia

• Laser lighting display — A laser lighting display or laser light show involves the use of laser light to entertain an audience. A laser light show may consist only of projected laser beams set to music, or may accompany another form of entertainment, typically a rock… …   Wikipedia

• 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