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Handheld terminal with serial port

A handheld terminal and serial port technology, applied in the field of handheld terminals

Inactive Publication Date: 2017-05-31
SHENZHEN KELU INTERNET OF THINGS INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Based on this, it is necessary to provide a handheld terminal with a serial

Method used

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  • Handheld terminal with serial port
  • Handheld terminal with serial port
  • Handheld terminal with serial port

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Embodiment Construction

[0024] A preferred embodiment of the invention is given in . However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0025] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions are used herein for the purpose of description only.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The ter...

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Abstract

The invention relates to a handheld terminal with a serial port. The handheld terminal comprises a main control platform with the serial port and a control module, and the control module is connected with the main control platform and used for expanding one serial port of the main control platform into multiple sub serial ports. The serial port of the main control platform is expanded into multiple sub serial ports through the control module in a hardware mode, all the sub serial ports are independent of one another and therefore can work at the same time, and when one sub serial port breaks down, the work of other sub serial ports is not affected.

Description

technical field [0001] The invention relates to the field of electrical digital data processing, in particular to a hand-held terminal with a serial port. Background technique [0002] With more and more fields of radio frequency identification (RFID) applications, more and more people feel the convenience and efficiency brought by RFID technology. RFID handheld terminals are used in many occasions. The terminal is equipped with 3G, 4G, WIFI, Bluetooth, GPS and other wireless communication modules to form the entire RIFD application system. The RFID module is used as the data acquisition layer module of the handheld terminal. Some handheld terminals also need to add barcode scanning modules, infrared communication modules, and some industry-customized modules. Among the above-mentioned modules, RFID module, Bluetooth module, GPS module, barcode scanning module, infrared communication module and some modules customized for specific industries all use serial ports for communi...

Claims

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Application Information

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IPC IPC(8): G06F13/38
CPCG06F13/385G06F2213/0002
Inventor 李远龙杨志强
Owner SHENZHEN KELU INTERNET OF THINGS INFORMATION TECH CO LTD
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