Prism

Abstract

The invention relates to a prism comprising a prism body. A bottom end of the prism body is supported by a support plate matching the bottom end of the prism body. The support plate is connected to asupport rod and is rotatable along the support rod. The support plates are connected each other by a rotating shaft. The other end of the prism body is a ramp which is provided with a glass panel. Thefour sides of the glass panel are provided with buckles. After adopting the above structure, the rotation angle of the support plate is adjusted by the support rod, thereby realizing the angle adjustment of the support rod to the prism, realizing multi-angle use of the prism, and improving the utilization rate of the prism. The glass panel and the ramp are adhered by the buckles on the glass panel, so that the surface can be prevented from being broken or worn on the surface of the prism body due to long-term pressing of the fingers, and the prism body can be protected to extend the service life of the prism.

Description

technical field [0001] The invention relates to the field of optical recognition, in particular to a prism. Background technique [0002] Generally, the existing fingerprint readers are identified by pressing the finger on the prism through the refraction induction of the prism. However, the existing prisms are generally irregular blocks made of glass with good translucency, and the difficulty factor in processing is relatively large due to the defect that the glass is easy to break and break. [0003] However, during use of the existing prisms, since the relative hardness of the prisms made of resin is not too high, the prisms are easily worn and damaged by finger pressing for a long time, and the service life is low. Contents of the invention [0004] In order to overcome the above defects, the present invention provides a prism. [0005] The technical solution adopted by the present invention to solve the technical problem is: a prism, including a prism body, the bott...

AI Technical Summary

Problems solved by technology

However, the existing prisms are generally irregular blocks made of glass with good light transmission, and the difficulty factor is relatively large in processing due to the disadvantage of glass being easy to break and break.

[0003] However, during use, the existing prisms are relatively hard because the prisms made of resin are not too high, and they are easily worn and damaged when pressed by fingers for a long time, and the service life is low.

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