FLUID LANCE STOP POSITION SENSOR DETECTION METHOD AND SYSTEM
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United States of America
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Issued Date -
Apr 3, 2025
app pub date -
Oct 21, 2024
filing date -
Oct 21, 2024
priority date (Note) -
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Abstract
A system for distinguishing target metal objects from each other in close proximity to each other. The method includes transmitting a first sinusoid signal via a first transmit coil to a first receive coil in close proximity to the first transmit coil; transmitting a second sinusoidal signal at a second frequency and amplitude different from the first frequency and amplitude to a second receive coil arranged in close proximity to the second transmit coil and in close proximity to the first receive coil such that received signals in the first and second receive coils include first and second frequency signals from the other of the first and second transmit coils. The received signals are separated via frequency domain multiplexing. The signals are compared to detect a presence of the target having a signal magnitude different from the first received signal and the received second signal and a known reference point.
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