Function extension device of smartphone and use method thereof

Abstract

The invention relates to a function extension device of a smartphone and a use method thereof. The function extension device of the smartphone comprises a smartphone with a guide rail slot and a function extension module, wherein the guide rail slot is provided with a function extension interface used for connecting with the function extension module; the function extension module comprises a working body, a microcontroller and a slave circuit connector, wherein the working body is used for carrying out information exchange with outside, the microcontroller is used for processing the information of the function extension module, and the slave circuit connector is used for providing an external interface for the function extension module; the function extension module is detachably installed on the smartphone through the guide rail slot; and the function extension module is connected with the smartphone. When the function extension device is implemented, the function extension of the smartphone is realized, the existing interface of the smartphone is not occupied, and the function extension device is convenient in installation. Meanwhile, drive programs and module management software corresponding to different function extension modules can be automatically detected, obtained, installed and updated, and an intelligent degree is high.

Description

technical field [0001] The invention relates to the field of smart phones, and more specifically, to a smart phone function expansion device and a method for using the same. Background technique [0002] Smartphones are mobile terminals that widely exist in public life at present. Because these mobile terminals have the advantages of processing, managing data and networking, and can also change their software functions by updating application software, many mobile terminals that cooperate with smart phones and tablets have been born. Extended smart hardware, such as POS machines that can swipe bank cards, external USB headphone amplifiers, etc. These expansion devices can subdivide the needs of consumers, so that the functions of the mobile terminal are greatly expanded. [0003] At present, the extended intelligent hardware matching the mobile terminal is generally an independent product, which is connected to the mobile terminal through a 3.5mm headphone jack, a Bluetooth...

AI Technical Summary

Problems solved by technology

However, this connection method will occupy the existing functional interface of the smart phone and affect the realization of the existing functions of the smart phone; at the same time, this connection method is unstable and also affects the appearance of the smart phone

[0004] In addition, the application software needed to expand the smart hardware requires consumers to download it from the Internet. Some smart hardware has multiple application scenarios, and there may be multiple application software that can match the smart hardware. There are existing technologies that consumers cannot It is easy to obtain all the application software associated with these smart hardware, and it is not easy to manage the versions of different application software and manage the firmware of the extended smart hardware

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