MICROFORCE MEASURING DEVICE
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United States of America Patent
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Issued Date -
Jun 9, 2016
app pub date -
Dec 8, 2014
filing date -
Dec 8, 2014
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Abstract
A microforce measuring device includes a base; a fixing component disposed at the base; a cantilever fixed at one end by the fixing component; a magnetic component disposed at the cantilever; a Hall effect sensing unit disposed at the base, aimed at the magnetic component, and spaced apart from the magnetic component by a distance to sense a change in a magnetic field of the magnetic component and generate a sensing signal; and a signal processing unit electrically connected to the Hall effect sensing unit to receive and analyze the sensing signal. Parts and components of the microforce measuring device are commercially available and cheap, so that the microforce measuring device incurs low manufacturing costs and measures a variation in a force of less than 5 gf precisely.
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