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Antenna assembly of portable data acquisition terminal

A technology for data acquisition terminals and antenna devices, which is applied to antenna supports/mounting devices, antennas, loop antennas, etc., can solve the problems of performance deterioration, difficulty in ensuring the electrical stability and structural reliability of the shielding cover structure, and achieve reduction Small interference, improved read and write performance, easy to carry effect

Inactive Publication Date: 2008-10-08
朱俊英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the interference caused by the surrounding conductors and circuit devices will deteriorate its performance. Although an electrostatic shield can be used, it is still difficult to ensure the electrical stability and structural reliability of the shield structure.

Method used

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  • Antenna assembly of portable data acquisition terminal
  • Antenna assembly of portable data acquisition terminal

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] Such as figure 1 , 2 The antenna device of the portable data acquisition terminal shown includes a card reading coil 9, and the card reading coil 9 is arranged in the top reading head housing 12, and the card reading coil 9 and the top reading head housing 12 constitute the top reading head 5, and the top reading head 5 has a shape It is a sheet piece, the top reading head 5 is connected to one end of the pull rod 4, the other end of the pull rod 4 is connected to the handle 3, the handle 3 is provided with a card reading circuit 6, and the pull rod 4 is provided with a card reading coil 9 and a card reading circuit 6. The wire 7 connected to the card reader circuit 6 is connected to the plug 1 through the data line 2. The plug is M30-502-12P type, and the data line 2 is a two-core universal cable. One is used for data communication; the outside of the handl...

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PUM

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Abstract

The invention relates to an antenna, particularly to an antenna device for portable data acquisition terminals. The antenna device for portable data acquisition terminals comprises a card reading coil arranged in the case of a top reading head connected to one end of a pull rod, the other end of the pull rod is connected to a handle provided with a card reading circuit, the pull rod is provided with a wire connecting the card reading coil and the card reading circuit, the card reading circuit is connected to a plug through a data wire. According to the invention, the acquisition of distant articles is convenient, the inference from surrounding conductors and circuits in the acquisition terminal is reduced, the reading distance is increased, and the reading performance is improved. Besides, the device has telescopic function, is portable and suitable for miniaturization of portable data acquisition terminals.

Description

technical field [0001] The invention relates to an antenna, in particular to an antenna device for a portable data collection terminal. Background technique [0002] Generally, a "portable data collection terminal" is a portable data collection device that enables its users to communicate in a wired or wireless manner. Such portable data collection terminals tend to be smaller and lighter to provide portability, and their functions are rapidly diversified to meet the needs of various environments. [0003] At present, the existing portable data collection terminals on the market can be divided into straight type, clamshell type and folding type. A clamshell part is rotatably connected to the casing, and the foldable portable data collection terminal includes a straight casing and a folding part that is rotatably connected to the casing in a foldable manner. [0004] Various portable data acquisition terminals usually have antenna devices to ensure reading efficiency and be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/00H01Q1/22H01Q7/00
Inventor 朱俊英高毅吴超
Owner 朱俊英
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