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Company News About Development and application of Laser marker for bar code technology

Development and application of Laser marker for bar code technology


Development and application of Laser marker for bar code technology

The bar code technology was first produced in the 1920s and was born in the laboratory of Westinghouse. An inventor named George Kamud found it in the automatic sorting of postal documents, and every idea of the application of electronic technology at that time was very novel and surprised.

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His original idea was to make a bar code mark on the envelope. The information in the bar code is the address of the addressee, just like today's postal code. For this reason, Kamud invented the earliest bar code identification. The design scheme is very simple, that is, one "bar" indicates the number "1", and two "bars" indicate the number "2", and so on. He then invented a bar code reading device consisting of basic components: a scanner (capable of emitting light and receiving reflected light); a method for determining the reflected signal strip and space, ie edge-positioning coils; and using the measurement results The method is the decoder.


The emergence of commodity bar codes is a new application of bar code technology in real life. The commodity bar code is a special symbol that converts the digital code representing the commodity information into parallel lines arranged by a set of rules. In 1970, the US grocery industry took the lead in using this bar code on food packaging carriers, which was extended to worldwide use. The commodity bar code is the "identity card" of the commodity, and is the "common language" in which the commodity is circulated in the international market.

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Commodity bar codes are the basis for commercial modernization, and are the entry tickets for goods entering supermarkets and POS scanning stores. In the scanning store, When the customer purchases the goods and pays at the checkout counter, the cashier simply picks up the goods with the bar code on the stage equipped with the laser scanner, and quickly enters the number below the bar code into the computer, through inquiry and Data processing, the machine can immediately identify the product manufacturer, name, price and other product information and print out the shopping list. In this way, not only can the automatic management of sales, warehousing and ordering be realized, but also the sales information can be mastered by the manufacturer in time through the production, supply and sales information system. There are currently about 700,000 POS scanning stores in the world, and more than 1,000 POS scanning stores have been built in China. This type of POS store is growing at an alarming rate. In fact, bar code has become a necessary condition for goods to enter the supermarket. Commodity bar code is the only way for enterprises to improve their market competitiveness and expand their export. It is a prerequisite for realizing automation of production and circulation, and it is also a technology for manufacturers to adjust product structure in a timely manner. Guarantee. In recent years, many cities in China (such as Beijing, Shanghai, Fujian, etc.) have documented that all bar code-free goods must not enter the supermarket.

The major products of China Perfect Laser are divided into marking equipment and processing equipment. Marking equipment includes: laser marking machine, pneumatic marking machine, ink jet printer, sign stamping machine, etc. Processing equipment includes: laser engraving machine, laser welding machine, Laser cutting machine, plasma cutting machine, Mechanical engraving machine, etc., a total of 10 series, more than 100 models. Providing customers with personalized products, and the services has significant advantages.