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Obsolete name for an ammeter; now an instrument for measuring fluid viscosity. rheostat Obsolete name for a two terminal variable resistor, usually with a rotating shaft to allow manual or motor driven adjustment. right-hand rule A mnemonic device for remembering the definitions of the directions of current and magnetic field in generators. ripple
An analog signal uses some property of the medium to convey the signal's information. For example, an aneroid barometer uses rotary position as the signal to convey pressure information. In an electrical signal, the voltage , current , or frequency of the signal may be varied to represent the information.
Device that changes digital signals to analog, or reconstructs information (data) by performing the inverse (reverse) functions of an encode process. [1] Definition The aggregate of fine details available on-screen. The higher the definition of an image, the greater the number of details [that can be discerned by the human eye or displayed].
A term referring to a fictional character (by whatever name) whose job it is to explain the plot or parts of a plot to other characters and the audience. mood lighting The deliberate use of certain lighting characteristics in a scene or even an entire film in order to provoke a particular state of mind or feeling in the viewer. MOS motion picture
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Deutsches Rechtswörterbuch (Dictionary of Historical German Legal Terms) Lists of dictionaries cover general and specialized dictionaries, collections of words in one or more specific languages, and collections of terms in specialist fields. They are organized by language, specialty and other properties.
There are notable non-electrical analog devices, such as some clocks (sundials, water clocks), the astrolabe, slide rules, the governor of a steam engine, the planimeter (a simple device that measures the surface area of a closed shape), Kelvin's mechanical tide predictor, acoustic rangefinders, servomechanisms (e.g. the thermostat), a simple mercury thermometer, a weighing scale, and the ...