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Mobile service terminal system

A terminal system and mobile service technology, applied in the field of communication, can solve the problem of high cost

Inactive Publication Date: 2008-09-24
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cost of most mobile terminals is relatively high at present, which is not suitable for promotion and application in rural areas and remote mountainous areas.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1. System framework

[0034] This example introduces the process of building the system framework from both the hardware and software aspects.

[0035] 1. Hardware solution

[0036] Since the project directly involves the actual product, unlike laboratory research, it has high requirements for cost control. Therefore, the choice of hardware must find a combination of function, cost and development time. Mature hardware, low cost and good technical after-sales service have become the focus of consideration.

[0037] According to requirements, the hardware part of the framework can be divided into the following parts (such as figure 1 Shown): processor, GSM / GPRS module, audio processing module, SIM card programming module, input module (including handwriting board, touch screen, keyboard, etc.), output module (including printer, LCM, LCD touch screen), and power module (battery Module, DC module), etc.

[0038] Among them, the parts that account for the most cost ...

Embodiment 2

[0050] Embodiment 2. Interactive design of input method based on Windows CE operating system

[0051] Putian Input Method is a commercial digital keyboard mobile phone input method independently developed by Putian Institute of Information Technology Co., Ltd. It includes Chinese pinyin, strokes, smart English, letters, numbers and other input methods, supports multiple platforms, and can fully meet the needs of keyboard input. Due to the cooperative development of the project with Potevio, the use of this input method will inevitably save costs, and more directly obtain technical support.

[0052] From the perspective of cross-platform technology, Putian Input Method is a typical "code once, compile everywhere" commercial product. Project application developers will only get a static library file that can participate in the compilation of the development board, a few header files, development instructions, and a few pieces of development sample code. Any internal code of the inpu...

Embodiment 3

[0149] Example 3: Application design and implementation of GSM module communication system based on AT commands

[0150] The GSM module is an indispensable part of making small-batch, low-cost mobile terminals, and it is widely used. Of course, the design and manufacturer of GSM modules also formulate cross-platform standards for their products to be applied to different software and hardware platforms. The most common and popular way now is "serial communication + AT command".

[0151] The project selected Huawei GTM900-A GSM / GPRS module as the communication module of the product according to functional requirements and market price. The following is a detailed description of this product and the application system software design based on this module.

[0152] 1. System development process based on GSM module

[0153] The development based on GSM module generally follows the following steps:

[0154] ●First, design the hardware circuit according to the purchased GSM interface. R...

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Abstract

The invention provides a mobile service terminal system, which comprises a processor, and a GSM / GPRS module, an audio processing module, an SIM card programming module, an input module, an output module, etc., controlled by the processor. The invention transplants the Putian input method into the terminal system and selects a proper function module, so the terminal system has low cost and multiple functions and is applicable for the popularization and utilization in country areas and remote mountain areas.

Description

Technical field [0001] The invention relates to the field of communication technology, in particular to a mobile terminal system. Background technique [0002] With the rapid economic development, people's life rhythm has become fast, and the metabolism speed of embedded terminals has also become fast with people's life rhythm. Changing a few phones a year is nothing new. For developers of various embedded mobile terminals, this is both an opportunity and a challenge. If the potential market demand can be accurately predicted and the end products with strong market demand can be integrated within the planned time, great commercial success can be achieved. Of course, if you fail to make products on time, you will miss business opportunities and cause huge economic losses. Therefore, the componentization and process integration of product development has become an inevitable trend. In other words, the integrated development of the product will not be designed from scratch, each mod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/32H04M1/725H04M1/72403
Inventor 邓中亮邹德君吴巍荪刘祥刘爱斌
Owner BEIJING UNIV OF POSTS & TELECOMM
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