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Construction and characterization of an omnidirectional parametric loudspeaker consisting of ultrasound transducers set on sphere
(Novem 2018. Noise and vibration emerging methods, 2018)Standard omnidirectional sound sources typically consist of conventional loudspeakers arranged in a dodecahedral configuration. For such devices, a microphone in a circular trajectory around the source ... -
Determining Position Inside Non-industrial Buildings Using Ultrasound Transducers
(Sensors, 2007, (7) 11, 2007-11)The position determination inside a building where no GPS signal is beingreceived can be ascertained using laser transmitters in industrial situations where there areno people or using triangulation of ...