Multifunctional SIM card and terminal equipment

A terminal device and multi-functional technology, applied in the computer field, can solve problems such as inconsistent design standards of fixed card slots, occupying physical space, and different implementation protocols, and achieve the effect of large-capacity, high-speed storage and good compatibility

Inactive Publication Date: 2020-08-28
ZHENGZHOU XINDA JIEAN INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different physical shapes of Nano-SIM cards and SD cards, their implementation protocols are also different, and the design standards of the solid card slots are inconsistent. Only specified types of cards can be placed in the card slots, and multiple card slots also take up valuable time in mobile phone hardware design. physical space

Method used

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  • Multifunctional SIM card and terminal equipment
  • Multifunctional SIM card and terminal equipment
  • Multifunctional SIM card and terminal equipment

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0026] pin SIM card C1 CLK: clock signal C2 RST: reset C3 VCC: supply voltage ...

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Abstract

The invention relates to the technical field of computers, in particular to a multifunctional SIM card and terminal equipment, and the multifunctional SIM card comprises a 7816 protocol unit, an SD protocol unit, a control unit and a card interface. The control unit, the 7816 protocol unit and the SD protocol unit are arranged in the card body; wherein the card interface is electrically connectedwith the 7816 protocol unit, the SD protocol unit and the control unit, the outline and the size of the multifunctional SIM card are the same as those of an existing standard Nano-SIM card, and the number of contacts is different from that of the existing standard Nano-SIM card; wherein the card interface comprises n metal contacts, and the n metal contacts are arranged on the surface of the multifunctional SIM card; the n metal contacts of the card interface comprise a first metal contact, a second metal contact, a third metal contact, a fourth metal contact, a fifth metal contact, a sixth metal contact and n-6 extended contacts. The method can be applied to the fields of Internet of Things, mobile finance, mobile office and the like.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a multifunctional SIM card and terminal equipment. Background technique [0002] A Subscriber Identity Module (SIM), commonly referred to as a "SIM card", is a smart card mainly used to store user identification data, SMS data and phone numbers. Nano-SIM card is a kind of micro-SIM card for mobile phones, which only has 60% of the area of ​​the first-generation SIM card. Its smaller size will free up space for increased memory, larger batteries and denser motherboard layout. Help mobile phone manufacturers to produce thinner and lighter products. Since the SIM card complies with the IS07816 protocol, there is a limitation in device space, and large-capacity storage cannot be performed. [0003] SD card is a memory card widely used in portable devices, such as digital cameras, personal digital assistants and multimedia players, mobile phones, etc. SD card has a relatively hig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K19/077G06K7/00H01R12/71H05K1/11
CPCG06K7/0052G06K19/07743H01R12/712H05K1/111
Inventor 刘熙胖梁松涛彭金辉刘武忠廖正赟李鑫
Owner ZHENGZHOU XINDA JIEAN INFORMATION TECH
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