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    • 1. 发明公开
    • LOAD CELL, SCALE, AND STRAIN SENSOR
    • EP4303543A1
    • 2024-01-10
    • EP22763035.7
    • 2022-02-21
    • Tanita Corporation
    • ICHIHARA, SeiyaYAMADA, Hiroyuki
    • G01G3/142G01L1/22
    • The load cell includes a strain generating body having a strain generating part, the strain generating part being configured to connect a fixed portion and a load receiving portion, and the strain generating part being elastically deformed by displacement of the load receiving portion. The load cell includes: a first strain gauge arranged on a part of a front surface of the strain generating part in a vicinity of the fixed portion; a second strain gauge arranged on a part of the front surface of the strain generating part in a vicinity of the load receiving portion; and a third strain gauge arranged on a part of a back surface of the strain generating part in a vicinity of the load receiving portion. The load cell includes: a fourth strain gauge arranged on a part of the back surface of the strain generating part in a vicinity of the fixed portion; a first serial circuit in which the first strain gauge and the third strain gauge are connected in series; and a second serial circuit in which the second strain gauge and the fourth strain gauge are connected in series.