Intelligent key device based on wired earphone interface

A wired headset and interface technology, applied in speech analysis, user identity/authority verification, instruments, etc., can solve problems such as inability to guarantee user security, hindering the development of mobile Internet, and not providing

Inactive Publication Date: 2011-11-23
SHENZHEN DTEC ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] With the development of the mobile Internet, people have become accustomed to completing e-commerce, e-government and electronic payment applications that were previously completed on microcomputers on mobile terminals including mobile phones, mobile terminals, and tablet computers. At the same time, on mobile terminals, "Evil people" and "tumors" are rapidly spreading at a speed exceeding the o

Method used

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  • Intelligent key device based on wired earphone interface
  • Intelligent key device based on wired earphone interface
  • Intelligent key device based on wired earphone interface

Examples

Experimental program
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Embodiment Construction

[0033] Such as figure 1 As shown, the device of the present invention is composed of the following components:

[0034] Wired headphone interface circuit: It is connected with the wired earphone interface of the mobile terminal, and is used for sending the data to be signed in the audio format received from the mobile terminal to the modem module, and sending the signed data in the audio format received from the modem module to the mobile terminal. Widely applicable to wired earphone jacks of mobile terminal equipment such as mobile phones (mobile communication handsets), tablet computers, and other computer equipment, including 3-segment or 4-segment connectors of various diameters, contacts include: receiver mono (Mono audio) Or left and right channels (L audio and R audio), microphone (MIC) and signal loop (GND). The transmission and reception of data is realized through the receiver channel (audio) and the microphone (MIC).

[0035] Filter shaping module It is used t...

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Abstract

The invention discloses an intelligent audio key device connected to a wired earphone interface of a mobile terminal and also discloses a method for utilizing the device to realize the data communication between the device and the mobile terminal. The device comprises an earphone interface module, a data modulation-demodulation module and a safety processing module. The device is connected to a mobile terminal device through wired earphones, thereby realizing the security functions such as digital certificate management, identity authentication, data encryption and decryption, electronic signature, and the like. The device can be widely applied to the mobile terminals, such as a mobile phone with the wired earphone interface, a flat computer, and the like.

Description

technical field [0001] The invention belongs to the field of data communication and information security, and provides a security guarantee for mobile terminals including mobile terminals, tablet computers, etc., and other computer equipment, and can be used for but not limited to mobile banking, mobile payment, online banking, E-commerce, e-government and other application fields. Background technique [0002] With the progress of society and the development of technology, e-commerce, electronic payment, electronic bank, etc. have been widely accepted by people, and have increasingly become an indispensable and important part of people's daily life. From 2005 to 2010, electronic payment showed a trend of crazy growth, and the transaction volume doubled year after year: the market size of China's electronic payment was 274.3 billion yuan in 2008, 576.6 billion yuan in 2009, and 1,085.8 billion yuan in 2010, a chain increase of 96%. . According to iResearch, by 2012, the tr...

Claims

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Application Information

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IPC IPC(8): H04L9/32G10L19/00
Inventor 王刚
Owner SHENZHEN DTEC ELECTRONICS TECH
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