Mobile apparatus, transaction system and signal transmission method

Abstract

Provided are a mobile apparatus, transaction system and signal transmission method. The mobile apparatus includes a fundamental frequency module, an electronic card connector for inserting an electronic card and a control module. The control module comprises a first input output port electrically connected to the fundamental frequency module, a second input output port electrically connected to the electronic card connector, a switching unit electrically connected to the first input output port and the second input output port, a control unit electrically connected to the switching unit and a program storage zone electrically connected to the control unit and at least storing one program; the control unit, in dependence on signal types transmitted by the fundamental frequency module through the first input output port, controls the switching unit to switch correspondingly so as to electrically connect the first input output port and the second input output port and allow the fundamental frequency module and an electric card to mutually transmit information, or electrically connect the program storage zone and the second input output port and allow programs and the electric card to mutually transmit information.

Description

technical field [0001] The invention relates to a mobile device, in particular to a mobile device, a transaction system and a signal transmission method built on the framework of a Java Card virtual machine. Background technique [0002] refer to figure 1 , is a schematic diagram of a circuit block in an existing mobile device. The mobile device 900 includes a base band module (Base Band) 910 and an electronic card socket 920 electrically connected to the base band module 910 . Generally speaking, the Subscriber Identity Module (SIM) card is designated by the telecom operator for mobile network access, and is usually placed in the electronic card holder 920 and electrically connected to the baseband module 910 . [0003] However, as the applications on mobile terminal devices become more diverse and the complexity of business links increases, more and more mobile terminal services must use authentication services different from SIM applications, so another set of authentica...

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Problems solved by technology

[0003] However, as the applications on mobile terminal devices become more diverse and the complexity of business links increases, more and more mobile terminal services must use authentication services different from SIM applications, so another set of authentication mechanisms is required , but the current mobile terminal design only designs an electronic deck 920 only for mobile terminal network access, which cannot meet the needs of diverse applications

[0004] In order to solve the above problems, there are mainly three solutions adopted by the mobile device 900 today. The first is to put the authentication mechanism into the card slot of the Secure Digital (SD) card, but the communication protocol and authentication of the entire SD card The adoption of the ISO 7816 protocol will lead to access problems in integration and compatibility and maintenance of terminal applications for different system development and version management. For the existing tens of thousands of mobile devices 900, this integration method, It is not conducive to the application and promotion of mobile commerce, and some mobile devices 900 do not have SD card slots, such as: iPhone

[0005] The second solution is to put the authentication mechanism into the universal serial bus (Universal Serial Bus, USB) external slot, but USB also has the compatibility and maintenance problems of terminal application programs for different system development and version management, and is also not Conducive to application promotion in mobile commerce

[0006] The third solution is to paste a thin film card on the top of the SIM card, and the user uses the selection of the communication protocol to distinguish the authentication security mechanism and agreement of different telecom operators, but there is a problem in this method, that is, the subscriber identification module ( SIM) itself has a certain thickness, so the back cover of the mobile device 900 cannot be closed, and the film cards of different telecom operators cannot be used with each other, and there is still a problem of compatibility

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