LOAD CELL AND OUTPUT ADJUSTMENT METHOD OF LOAD CELL
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Jun 29, 2022
filing date -
Jun 29, 2022
priority date (Note) -
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Abstract
A load cell includes a bridge circuit that converts and outputs a change in resistance of a strain gauge, which changes in accordance with a load. The load cell includes, in a first path on one side of the bridge circuit, a first chip resistor that adjusts an initial balance of the bridge circuit, and a thermistor that compensates for a temperature characteristic of the bridge circuit and a first adjustment resistor that adjusts a deviation of the initial balance with the thermistor being provided, which are connected in series with the first chip resistor and connected in parallel. The load cell includes, in a second path on another side of the bridge circuit, a second chip resistor that adjusts the initial balance, and a second adjustment resistor that adjusts the deviation caused by providing the first adjustment resistor and is connected in series with the second chip resistor.
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