System for determining the distance from and the direction to an object
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United States of America Patent
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Mar 1, 2016
Grant Date -
Apr 25, 2013
app pub date -
Apr 19, 2011
filing date -
Apr 20, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A system for determining the distance from and the direction to an object includes an emitter and at least two receiver elements for receiving a signal which is transmitted by the emitter and reflected by the object. The receiver elements are arranged as a linear array, as two linear arrays situated at an angle to one another, as an array which surrounds the emitter and forms a circle, or as a two-dimensional array. The diameter of the array may be greater than one-half the wavelength of the signal, and the receiver elements each have an individual surface area whose height or diameter corresponds at most to one-half the wavelength of the signal, and the emitter has a height or a diameter which is greater than one-half the wavelength of the signal.
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