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A mirror galvanometer is an ammeter that indicates it has sensed an electric current by deflecting a light beam with a mirror. The beam of light projected on a scale acts as a long massless pointer. In 1826, Johann Christian Poggendorff developed the mirror galvanometer for detecting electric currents. The apparatus is also known as a spot ...
Mirror galvanometer systems are used as beam positioning or beam steering elements in laser scanning systems. For example, for material processing with high-power lasers, closed loop mirror galvanometer mechanisms are used with servo control systems. These are typically high power galvanometers and the newest galvanometers designed for beam ...
A vibration galvanometer is a type of mirror galvanometer, usually with a coil suspended in the gap of a magnet or with a permanent magnet suspended in the field of an electromagnet. The natural oscillation frequency of the moving parts is carefully tuned to a specific frequency; commonly 50 or 60 Hz. Higher frequencies up to 1 kHz are possible.
A ballistic galvanometer is a type of sensitive galvanometer; commonly a mirror galvanometer. Unlike a current-measuring galvanometer, the moving part has a large moment of inertia, thus giving it a long oscillation period. It is really an integrator measuring the quantity of charge discharged through it. It can be either of the moving coil or ...
Additionally, the mirrors can lead to a periodic motion - like the rotating polygon mirror in a barcode scanner or so-called resonant galvanometer scanners - or to a freely addressable motion, as in servo-controlled galvanometer scanners. One also uses the terms raster scanning and vector scanning to distinguish the two situations.
The songs were mirror images of each other, with each character accompanied by smaller, minion-sized versions of themselves, all brought to life in Animagic. Composer Maury Laws told Goldschmidt ...
Mirror galvanometer; S. String galvanometer; T. Tangent galvanometer; Thermo galvanometer; V. Vibration galvanometer This page was last edited on 1 September 2024 ...
Finally, the actor wore silver climber earrings up top, and she tied her wavy locks into a bun, leaving a few strands to hang in swirls along her face and mirror the ripples of her dress. Taylor ...
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