Invention Application

PRESSURE SENSING POINTER
Abstract:
A pressure sensing pointer includes a housing, an electromagnetic unit, a cartridge, a pressing member, a first elastic member, a second elastic member, and a pressure sensing element. The housing has an accommodating space and a port in communication with the accommodating space. The electromagnetic unit is located inside the accommodating space. The cartridge is movably disposed at the port along an axial direction. The pressing member is movably disposed in the accommodating space, and is in linkage connection to the cartridge. One end of the first elastic member is fixed on the pressing member. One end of the second elastic member abuts against the pressing member An amount of compression deformation of the second elastic member in the axial direction is greater than an amount of compression deformation of the first elastic member in the axial direction. The pressure sensing element faces toward the first elastic member.
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