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The Role of Bar Code in Logistics Information System

The Role of Bar Code in Logistics Information System

Bar code technology from the first day of its birth and logistics formed an indissoluble bond, the role of bar code in the logistics information system, bar code technology like a link, the product life of the various stages of the information together. Bar code technology is a high-tech in the field of electronics and information science, involving a wide range of technical fields, is the product of the combination of a number of technologies, after years of long-term research and practical application, has now developed into a more mature practical technology. Bar code as a timely, accurate, reliable and economical means of data input has been adopted by the logistics information system. It has been widely used in industrialized countries and has become

01

2016

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06

Embedded 2D barcode scanning module using the environment

Embedded 2D barcode scanning module using the environment

The use environment of the embedded two-dimensional barcode scanning module is restricted by the machine compared with the ordinary hand-held scanning gun, so it seems that the embedded scanning gun is not as widely used as the ordinary scanning gun. However, in fact, many embedded two-dimensional barcode scanning modules have already started to scan the LCD screen of the mobile phone as early as the mobile phone Alipay has not become popular, such as the autonomous ticket machine in the cinema. At present, there is a row of self-service machines at the entrance of general cinemas, which is an all-in-one machine with two-dimensional code reading function and a novel independent ticket machine. As long as the barcode on the mobile phone is placed at the scanning port, the ticket will be issued immediately after scanning, compared with the input

09

2017

/

09

Barcode scanner settings for best scanning results

Barcode scanner settings for best scanning results

Why is the scanning effect of the newly bought scanner not good, the quality of the scanner is not good, or where the scanner fails. Bar code scanner settings to achieve the best scanning effect, improve work efficiency. 1, determine the appropriate scanning method using the bar code scanner can scan images, text and photos, etc., different scanning objects have their different scanning methods. Opening the driver interface of the barcode scanner, we found that the program provides three scanning options, of which the "black and white" method is suitable for manuscript or OCR recognition in black and white. "Grayscale" is applicable to mixed manuscript samples with both pictures and words, and scanning this type takes into account.

16

2017

/

09

Key points of purchase of two-dimensional bar code scanning gun in DMV

Key points of purchase of two-dimensional bar code scanning gun in DMV

The key points of purchasing the two-dimensional bar code scanning gun of the DMV, which scanning gun is more suitable for scanning the bar code on the motor vehicle certificate, while the bar code scanning gun used by the DMV is generally dedicated, and the ordinary scanning gun cannot be scanned. Because there are many brands and models of bar code scanning guns, users who do not know enough about the performance of the scanning guns will easily choose the wrong scanning guns. Before choosing a suitable barcode scanning gun, we need to understand the following questions: 1. What is the barcode system on the motor vehicle certificate of DMV? 2. What interface does the special barcode scanning gun for DMV need to use? 3. How far does the barcode scanning gun need to be from the barcode of the motor vehicle certificate to be scanned? Is this distance convenient for us to read quickly? 4. Is there any requirement for the working temperature, storage temperature and humidity parameters of the scanning gun in the DMV industry environment? In addition to the above problems, are there any other requirements for the scanning gun in the DMV industry environment? Only by understanding the above problems can we accurately select the barcode scanning gun suitable for use by the vehicle tube. Now let's look at the hardware setting requirements of DMV for bar code scanning guns. The arrangement is as follows: support code system: QR code (must be supported),DataMatrix code, PDF417,Maxicode code, RSS code and general one-dimensional bar code support interface: must include TTLlevelRS232 (including USB or other interface analog conversion serial port) scanning angle: deflection angle: 40 or less; Inclination angle: 40 or less anti-jitter: 10 cm/s or higher anti-noise value: maximum 100mV or higher between two peaks of 10-100kHz working temperature: 0 ℃-+50 ℃ or wider storage temperature:-40 ℃-+70 ℃ or wider humidity: 0-95% or wider non-condensing ambient light: 100,000Lux or higher other requirements: 15mil resolution QR code recognition distance of up to 100mm or more; Different code systems shall be automatically identified, no human intervention is required; no additional power should be required to connect to the computer. recommend of special two-dimensional barcode scanning gun for DMV: Honeywell Honeywell1900 barcode scanning gun is a special scanning gun for DMV's certificate of approval. As Honeywell's most advanced two-dimensional image barcode scanner, it strengthens the color imaging function. Its biggest feature is the use of Honeywell ColorFusion™technology and custom sensors optimized for barcode scanning. The reasons for the recommend are as follows: 1. Support a variety of interfaces: including USB, keyboard port, RS232,IBM46XX(RS485 interface), cable and 1900 series of existing HONEYWELL products. 2. You can read 1D,2D, postal code, OCR characters (supported by specific models), and also support Chinese letter code and DPM barcode. Support image acquisition and image editing function 3. Ergonomic design is better: the compact shape design is suitable for any hand type, the grip is comfortable, and the fatigue of the operator is eliminated. 4. Good durability: IP41 grade, normal use after 1.8 meters vertical drop to the cement ground 50 times, greatly reduce the failure rate by reducing the internal line connection of the equipment, long warranty period, and can disinfect the shell (specific model) and other advantages. 5. Advanced software configuration: TotalFreedom2.0 can be selected for secondary development, and a variety of software can be directly integrated into the scanner. MasterMind remote management software; Image processing software is used to generate high-quality digital images.

07

2018

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03

Connection method of serial data line and scanning gun computer

Connection method of serial data line and scanning gun computer

Accustomed to the use of plug and play USB scanning gun, the serial scanning gun is very strange, do not know how to connect. Connection method of serial data line and scanning gun computer:

16

2017

/

03

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