Cell phone protective shell with key expansion function

Abstract

The invention discloses a cell phone protective shell with a key expansion function. The cell phone protective shell is characterized by comprising a shell body and a processing chip, a chip cavity is formed in the middle of the shell body, the processing chip is sealed in the chip cavity, a connection button is arranged at the position of an earphone insertion hole of the shell body, the connection button is connected with the processing chip, a plurality of shortcut keys are arranged on one side of the shell body, and the shortcut keys are respectively connected with the processing chip. According to the cell phone protective shell with the key expansion function, the multiple solid keys can be expanded on the cell phone, so that a user can conveniently set shortcut functions of each key through software.

Description

technical field [0001] The invention relates to a protective case for a mobile phone, in particular to a protective case for a mobile phone with a key expansion function. Background technique [0002] In recent years, with the popularization and hot sales of smart phones, mobile phone accessories have become more and more popular. All kinds of mobile phone accessories are flooding the entire mobile phone accessories market. Among them, mobile phone protective cases are among the most popular accessories. one. [0003] The original function of the mobile phone protective case or mobile phone case is to put a layer of protective clothing on the mobile phone, so as to prevent the outside of the mobile phone from being scratched by hard objects. cause serious injury. [0004] However, with the evolution of mobile phone protective cases, more and more new functions have appeared. For example, some mobile phone cases have the function of power banks to charge mobile phones. How...

AI Technical Summary

Problems solved by technology

However, looking at the market, I have not been able to find a protective case that can expand the functions of the mobile phone buttons.

[0005] Since the current smartphones use virtual buttons, there are fewer and fewer physical buttons on the phone. However, with the continuous increase of the internal functions of the phone, people find that the virtual buttons on the phone are becoming more and more inconvenient. Sometimes in order to open a software, you need to Click the virtual button multiple times to enter many folders to start the corresponding function, which brings great inconvenience to people's use. At the same time, the virtual button can't perfectly simulate the touch of the physical button, so in some games and other operations In the middle, it is difficult to satisfy the user's tactile experience

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