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Communication connection and communication method between mobile pos and base

A communication method and communication technology, applied in secure communication devices, free space transmission, digital transmission systems, etc., can solve the problems of low transmission rate and poor communication confidentiality, achieve high transmission rate, low hardware cost, and ensure data integrity. Effect

Active Publication Date: 2015-11-11
HISENSE INTELLIGENT COMML SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention proposes a communication link between the mobile POS and the base aiming at the problems of poor communication confidentiality and low transmission rate between the existing mobile POS and the base, and its specific technical scheme is as follows:

Method used

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  • Communication connection and communication method between mobile pos and base
  • Communication connection and communication method between mobile pos and base
  • Communication connection and communication method between mobile pos and base

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment one, refer to figure 1 , this embodiment proposes a communication connection between the mobile POS and the base, including the mobile POS1 and the base 2, the base 2 adopts a clam-shaped recessed structure, and the mobile POS is embedded at 30° to fully ensure that the relevant detectors cannot be inserted into it probing. In order to prevent external interference, an optical filter 5 is installed on the transmission path of the mobile POS and the base, which can effectively improve the transmission accuracy. In order to ensure high-speed communication, this embodiment adopts two-way communication, and the base is equipped with independent transmitting tube 4 and receiving tube 3. At the same time, the same design is also implemented in the mobile POS. The receiving and transmitting are paired for use, which is easy to reuse modules and reduce costs. . Specifically, in the mobile POS, the receiving tube 3 and the transmitting tube 4 are installed on the mo...

Embodiment 2

[0061] Embodiment 2, this embodiment proposes a communication method between the mobile POS and the base,

[0062] The main control processor outputs the sensitive data to the serializer in a highly encrypted data stream, and the serializer directly drives the reflector after serializing the parallel data to form an optical path on-off signal. It is converted into a serial voltage signal, and converted into parallel data that can be processed by the main control processor through the deserializer, and performs decryption operation. The mobile POS of the present invention uses the internal data transmission private key of the encryption IC to encrypt the data with the 3DES algorithm, uses the SHA algorithm to calculate the data integrity, and the base uses the same data transmission private key to decrypt the data with the 3DES algorithm, and recalculates whether the data is complete.

[0063] The key key management and key storage work is inside the encryption IC, and all data...

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Abstract

The invention provides a communication connector between a mobile POS (point of sale) and a base, which is provided with the mobile POS and the base. The upper surface of the base is a recessed structure, a transmitting tube and a receiving tube are disposed on the base, the mobile POS is embedded in the recessed structure of the base, a receiving tube and a transmitting tube are correspondingly arranged on the mobile POS, and receiving and transmitting communication between the mobile POS and the base is realized by the aid of a processor module and a transceiver module connected with the processor module. Confidentiality, high-speed communication, a detection preventive design and the like are comprehensively considered, sensitive data interaction between the mobile POS and the base is effectively realized, the cost of hardware is low, and the reliability of a system is high. In addition, the invention provides a method for communicating the mobile POS with the base.

Description

technical field [0001] The invention relates to a communication connection between a mobile POS and a base and a data communication method thereof. Background technique [0002] Mobile (or handheld) POS needs to cooperate with the base to realize printing, network transmission, charging and other applications. The base supports all external functions and connections required by mobile POS like an expansion port. Mobile POS is responsible for data processing and user interaction, because sensitive data Finally, it needs to be transmitted to the outside through the base, and a large amount of sensitive data needs to be exchanged between the mobile POS and the base. Protecting these data and effectively preventing snooping and data cracking are key issues in the design of this type of product. [0003] For the communication connection between the mobile POS and the base, there are currently mainly cable transmission connection, metal electric shock transmission connection, wire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00H04B10/11
Inventor 袁德玲
Owner HISENSE INTELLIGENT COMML SYST CO LTD