Novel passive capacitance pen

Abstract

The invention discloses a novel passive capacitance pen which comprises a pen body, a pen cap and a pen point assembly. The pen cap and the pen point assembly are detachably connected to the two ends of the pen body. Wherein the pen point assembly comprises a connecting sleeve, a pen point end, a spherical pen point and an elastic piece, and the connecting sleeve is detachably connected to the pen body; one end of the pen point end is rotatably connected to the connecting sleeve, the other end of the pen point end protrudes out of the connecting sleeve and is connected with a pen point shaft, and the axial direction of the pen point shaft is perpendicular to the axial direction of a rotating shaft of the pen point end; the spherical pen point is rotatably connected to the pen point shaft; the elastic piece is contained in the connecting sleeve, and the two ends of the elastic piece abut against the pen point end and the pen body respectively. According to the novel passive capacitance pen, through rolling contact between the spherical pen point and a screen, the friction force between the spherical pen point and the screen is reduced, the service life of the screen and the capacitance pen is prolonged, and smooth writing is guaranteed through 360-degree rotation of the spherical pen point and damping and buffering of the elastic piece.

Description

technical field [0001] The invention relates to the fields of intelligent interaction and display, in particular to a novel passive capacitive pen. Background technique [0002] The principle of passive capacitive pens is to imitate the touch effect of fingers. The pen tip is a conductive material. When in contact with the touch screen, it can cause the capacitance change of the touch screen matrix. The pen tip materials of the popular passive capacitive pens on the market include conductive foam, metal, conductive fiber, Conductive cloth or conductive silicone, etc. Among them, conductive foam, conductive fiber and conductive cloth all have the problem of insufficient wear resistance to a certain extent, and the metal pen tip is easy to scratch the touch screen and the sound of hitting the screen is loud when writing, conductive silicone can effectively avoid it. Insufficient wear resistance and damage to the screen, and the impact sound of the screen is small, but limited...

AI Technical Summary

Problems solved by technology

Among them, conductive foam, conductive fiber and conductive cloth all have the problem of insufficient wear resistance to a certain extent, and the metal pen tip is easy to scratch the touch screen and the sound of hitting the screen is loud when writing, conductive silicone can effectively avoid it. Insufficient wear resistance and damage to the screen, and the impact sound of the screen is small, but limited by the characteristics of the material itself, the conductive silicone nib has a large damping when writing, the writing is not smooth enough, and it is easy to fatigue after long-term use

[0003] In addition, the nib and body of the passive capacitive pens currently used in electronic devices such as tablets are fixed, and the contact with the screen is in the form of sliding friction, resulting in relatively large friction, which will cause certain damage to the nib and the screen itself. small angle

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