The present invention relates to a device for measuring ground reaction force. More specifically, provided is a device for measuring ground reaction force capable of measuring ground reaction force by disposing one or more small force sensors in a plurality of specific areas rather than the entire area of the sole of a foot, filling a flexible material member between the force sensors, and selectively having an elastic member on the surface facing the sole of the foot so as to allow plantar pressure to be transmitted to the force sensors.
G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
A43B 17/00 - Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
The present invention relates to a multi-axial force sensor, comprising: a vertical direction measurement module for measuring a vertical direction component force applied to a point of action; and a horizontal direction measurement module for measuring a horizontal direction component force applied to the point of action, wherein the vertical direction measurement module is capable of moving a body thereof in the horizontal direction by the horizontal direction component force applied to the application point, and the horizontal direction measurement module measures the horizontal direction component force applied to the application point on the basis of the movement of the body of the vertical direction measurement module.
G01L 5/16 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force
3.
TORQUE SENSOR USING OPTICAL SENSOR, AND TORQUE MEASUREMENT DEVICE COMPRISING SAME
The present invention relates to a torque sensor using an optical sensor, and a torque measurement device comprising the same. More specifically, the present invention is characterized by providing a torque sensor using an optical sensor, and a torque measurement device comprising the same, which allow a torque to be precisely calculated by measuring, using an optical sensor, the amount of deformation of an elastic body caused by the torque.
G01L 3/12 - Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
G01L 3/22 - Rotary-absorption dynamometers, e.g. of brake type electrically or magnetically actuated
4.
FORCE SENSOR USING DISPLACEMENT AMPLIFICATION MECHANISM AND WEIGHING DEVICE COMPRISING SAME
The present invention relates to a force sensor and a weighing device comprising the same and, more specifically, provides: a force sensor using a displacement amplification mechanism that amplifies the displacement of an elastic body having high rigidity so as to increase the measurement sensitivity of the sensor, thereby enabling accurate weight measurement; and a weighing device comprising the same.
G01G 3/12 - Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
G01G 3/13 - Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing having piezoelectric or piezo-resistive properties
G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
5.
Force sensor using displacement amplification mechanism and apparatus having the same for measuring weight
Disclosed is a force sensor and an apparatus having the sensor for measuring weight. The force sensor and apparatus can enhance detection sensitivity by amplifying a displacement of an elastic body having high strength, thereby measuring weight. The sensor includes: a base; an elastic structure provided as a housing disposed on the base, and downwardly deformed when weight is applied to the elastic structure; an adjusting member coupled to an upper surface of the elastic structure by penetrating the upper surface; a lever disposed below the elastic structure, and amplifying a displacement of the elastic structure transferred via the adjusting member by being in contact with the adjusting member; a sensor disposed above the base, and generating an electric signal indicative of a distance from the sensor to the lever; and a circuit board disposed between an upper surface of the base and a lower surface of the sensor.
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