US Patent 8488110 Measurement of distances or of distance changes
Patent 8488110 was granted and assigned to Sick AG on July, 2013 by the United States Patent and Trademark Office.
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A sensor for the measurement of distances has a transmitter to transmit a signal at presettable transmission times and a receiver for the reception of the signal remitted in a monitored zone, wherein the received signals are accumulated in a histogram over a plurality of measurement periods to determine the reception time from the histogram and thus the signal transit time. The reception time is determined by an interpolation and thus with a better time resolution than that of the histogram. To facilitate the interpolation, transmission times are preset over the plurality of measurement periods in accordance with a distribution such that the time position of the reception time varies within the histogram over the plurality of measurement periods.
US Patent 08488110 Measurement of distances or of distance changes US Patent 8488110 Measurement of distances or of distance changes
US Patent 08488110 Measurement of distances or of distance changes
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