Transponder module for determination of a crossing time in a measuring system
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United States of America Patent
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Dec 1, 2020
Grant Date -
May 3, 2018
app pub date -
Oct 23, 2017
filing date -
Nov 1, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A transponder module of a system for measurement of a race time includes a time base in a microcontroller, which is activated upon receipt of a low-frequency electromagnetic field signal from a transmission antenna of a measuring system which is disposed at the level of a line of passage. The microcontroller, once woken up, is capable of measuring several successive intensities of the captured electromagnetic field in order to reconstruct a curve of the electromagnetic field and to determine a crossing time on the line of passage of the transponder module with the activated time base thereof in order to transmit, to a decoder unit of the measuring system, a signal of the result of the time of crossing determined by the microcontroller.
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