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Short message service (SMS) terminal unit

A short message terminal and equipment technology, applied in the direction of message/mailbox/notification, etc., can solve the problem that the working mode of ordinary mobile phones is difficult to meet the requirements, and achieve the effect of increasing reliability and flexible interface

Inactive Publication Date: 2009-12-23
CHENGDU ZHONGSHAN SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in many commercial and industrial SMS applications, SMS sending and receiving equipment is required to be very reliable, fast, and able to adapt to long-term uninterrupted work, while the working method of ordinary mobile phones is difficult to meet the requirements

Method used

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  • Short message service (SMS) terminal unit

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Experimental program
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Effect test

Embodiment

[0015] Such as figure 1 As shown, the short message terminal equipment is mainly composed of a GSM module, a SIM card socket connected to the GSM module, and a GSM antenna interface connected to the SIM socket, and its structure also includes a power processing module and a UART interface connected to the GSM module , the UART interface is a universal asynchronous receiving / transmitting device, which is a chip whose parallel input becomes a serial output, usually integrated on the motherboard, most of which use the 16550AFN chip, which is used to control computers and The chip of the serial device, the described power processing module is directly connected with the SIM card socket, and a power interface is also arranged on the described power processing module, in order to improve the reliability of equipment use, in the described power processing module Also be provided with watchdog circuit on the board, described watchdog circuit is directly connected with CPU. For furthe...

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Abstract

The invention discloses a short message service (SMS) terminal unit, mainly comprising a GSM module, an SIM card socket connected with the GSM module, a GSM antenna interface connected with the SIM card socket, a power processing module and a UART interface which are separately connected with the GSM module, wherein, the power processing module is directly connected with the SIM card socket; the power processing module is further provided with a power interface and a watchdog circuit; the watchdog circuit is directly connected with the CPU. The SMS terminal unit can simplify the communication and power supply modes substantially, has stable and reliable performance, and conforms to application requirements of various commercial and industrial short message services, thus being applicable to all walks of life.

Description

technical field [0001] The invention relates to a device, in particular to a short message terminal device. Background technique [0002] At present, as a convenient and cheap instant messaging method, mobile phone short message stands out among many communication means and is used more and more widely. However, in many commercial and industrial SMS applications, SMS sending and receiving equipment is required to be very reliable, fast, and able to adapt to long-term uninterrupted work, while ordinary mobile phones are difficult to meet the requirements. Contents of the invention [0003] The purpose of the present invention is to overcome the shortcomings and deficiencies of the above-mentioned prior art, and provide a short message terminal device, which can not only greatly simplify communication and power supply methods, but also have stable and reliable performance, meet the requirements of various commercial and industrial short message applications, and be suitable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/12H04W4/14
Inventor 李强
Owner CHENGDU ZHONGSHAN SCI & TECH
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