Monitoring thickness uniformity
AssigneeHoneywell International Inc.
InventorsAndrzej Peczalski, Fouad Nusseibeh
Life of this patent
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Abstract
Devices, methods, and systems for monitoring thickness uniformity are described herein. One system includes a transmitter configured to transmit a signal through a portion of a material while the material is moving, an attenuator configured to absorb a first portion of the transmitted signal, a reflector configured to reflect a second portion of the transmitted signal, a receiver configured to receive the reflected signal, and a computing device configured to determine a thickness of the portion of the material based on a time delay between the transmission of the signal and the reception of the reflected signal.
Claims17
A system for monitoring thickness uniformity, comprising:
- a transmitter positioned to transmit a signal through a portion of a plurality of portions of a material, wherein the material is moving;
- an attenuator configured to absorb a first portion of the transmitted signal;
- a reflector configured to reflect a second portion of the transmitted signal;
- a receiver configured to receive the reflected signal;
- and
- a computing device configured to determine a thickness of the portion of the material based on a time delay between the transmission of the signal and the reception of the reflected signal,
- wherein the transmitter is configured to transmit a respective signal through each of the plurality of portions of the material across a width of the material.
A system for monitoring thickness uniformity, comprising:
- a plurality of transmitters on a first side of a conveyor belt, each positioned to transmit a respective signal through a respective portion of the conveyor belt, wherein the conveyor belt is moving;
- a plurality of antennas on a second side of the conveyor belt, each configured to receive a respective one of the signals;
- a particular transmitter located beyond an edge of the conveyor belt and a particular antenna located beyond the edge of the conveyor belt;
- and
- a computing device configured to determine a reference distance between the plurality of transmitters and the plurality of antennas using the particular transmitter and the particular antenna and determine a respective thickness of each portion of the conveyor belt based on a time delay between the transmission of the signals and the reception of the signals.
A system for monitoring thickness uniformity, comprising:
- a plurality of antennas on a first side of a conveyor belt;
- a transmitter on a second side of the conveyor belt and separated from each of the plurality of antennas by a same distance, wherein the transmitter is positioned to transmit a signal through the conveyor belt at a first antenna of the plurality of antennas at a first time, wherein the conveyor belt is moving;
- and
- a computing device configured to determine a thickness of the conveyor belt between the transmitter and the first antenna based on a time delay between the transmission of the signal and the reception of the signal by the first antenna, wherein the computing device is configured to calibrate the system based on a time delay between a transmission of the signal and a reception of the signal by an antenna of the plurality of antennas corresponding to an outer edge of the conveyor belt.
Dependencies are inferred from the claim text.