FILTERING METHOD AND FILTERING CONTROL APPARATUS FOR LOAD CELL

WIPO Patent Application WO/2023/274285

A1

The present invention provides a filtering method and a filtering control apparatus for a load cell. The filtering method includes: filtering, by using a plurality of filtering units, first weighing data obtained by the load cell, to obtain a plurality of pieces of second weighing data, where the plurality of filtering units have different settling times; obtaining a fluctuation index of each piece of second weighing data, and establishing a correspondence between a fluctuation index and a settling time of each filtering unit; and determining a target filtering unit based on the correspondence according to a weighing requirement, where a fluctuation index of the target filtering unit matches a target precision in the weighing requirement, and a settling time of the target filtering unit matches a target speed in the weighing requirement. The filtering method and the filtering control apparatus of the present invention can achieve fast and good user experience in a weighing process.

WANG SHENHUI (CN)
WEI ALONG (CN)
SUN QIN (CN)
WAN QI (CN)
ZHANG SONG (CN)

PCT/CN2022/102240

January 05, 2023

June 29, 2022

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METTLER TOLEDO CHANGZHOU MEASUREMENT TECHNOLOGY LTD (CN)
METTLER TOLEDO CHANGZHOU PREC INSTRUMENTS LTD (CN)
METTLER TOLEDO INT TRADING SHANGHAI CO LTD (CN)

G01G23/10

US7129424B2	2006-10-31
JP5823800B2	2015-11-25
US7129424B2	2006-10-31

SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)

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