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DE4211114A1
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speaker
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DE3935786A1
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Vibrating part for dume loudspeaker - comprises flexible pliable dome-shaped metallic membrane for middle of high frequency range
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DE3241757A1
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Oscillating insert for an electromechanical transducer and method for its manufacture
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DE3007991A1
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Permanent magnet loudspeaker with conical diaphragm - has magnet and pole plates secured by screw to sleeve and rear support frame
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DE3007115A1
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Loudspeaker using single magnet for three diaphragms - has circular pole shoes providing air gaps for concentrically moving coils
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DE3001873A1
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Moving-coil loudspeaker - has two membranes with coils moving in concentric airgaps
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DE2916281A1
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Tweeter with exponential horn - coupled to pressure chamber driven by domed diaphragm covered by drilled cap for two mode coupling
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DE2916177A1
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short sound guide for high note dome loudspeaker - uses thick rounded rim on mounting for better top response
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DE2851745A1
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MEMBRANE FOR AN ELECTROACOUSTIC CONVERTER
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DE2747067A1
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Loudspeaker membrane coated with lacquer - is produced by exposing to lacquer mist produced by airless spray nozzle
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DE2457999A1
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Oscillating motor circuit with temperature sensitive resistor - controls motor frequency and is located in AC supply generator feed back loops
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DE2435697A1
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Built in unit for coolant circulation devices - has electrical components mounted on section of body wall attached to circulation unit
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DE2433356A1
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Battery charge state monitoring unit - has automatic load disconnection at preset voltage level
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DE1931275A1
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Striking mechanism for piezoelectric lighter
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