KR20040004233A - Creating QR code labels via hole punching and decoding methods - Google Patents

Abstract

PURPOSE: A method for punching and creating/outputting a QR(Quick Response) code label and a method for recognizing the label by lighting a direct/indirect light source on the label are provided to increase a recognition successful rate by using an inversion image creation technique of QR code, a label manufacturing technique, and an inverse QR code recognition technique simultaneously for being used in a factory or a storehouse including much dust and a process for injecting gas or liquid. CONSTITUTION: In a method for creating, recognizing, and reading an inverse QR code, a QR code created based on information to be created as a QR code is created into an inverse image. The created QR code is created into a QR code label inverse by selecting one material out of various kinds of metals, nonferrous metals, ceramics, plastics, and papers using a boring machine using a laser, a water jet, a drill, or a punch. The inverse QR code label is recognized and read using an indirect light source and a reflection plate. The inverse QR code label is recognized and read using a direct light source.

Description

A method of perforating and generating QR code labels and a method of recognizing the label by illuminating direct and indirect light sources {Creating QR code labels via hole punching and decoding methods}

The present invention relates to a method for generating and outputting an inverted image for generating and puncturing a QR code, and to a method for recognizing the inverted image in the light of a direct and indirect light source.

More specifically, the present invention is a place where the error rate is high when using a barcode label printed on an existing paper or an environment in which an ordinary barcode label is not available, such as a product loaded in a warehouse, a pallet for transporting an article, a container, a product requiring painting, or the like. The present invention relates to a method for producing a perforated barcode label and a method of recognizing the barcode label, which can be used when a barcode label is easily damaged.

In recent years, with the rapid development of computer and barcode technology, barcodes are attached and distributed in many places. If the barcode label is not recognized, it is impossible to recognize and cause cost loss to manufacturers and distributors. However, the perforated QR code label can minimize the loss of management cost and opportunity cost by increasing the label recognition success rate.

In addition, the perforated bar code label has a high recycling rate compared to the conventional one, and can be reused in the production process of goods, pallets and containers, and can be expected to reduce costs.

Existing bar code label is impossible to read in case of local contamination, distortion and damage, so it is impossible to use in a specific field such as a lot of dust or a painting factory.

In addition, bar codes, which are widely used in all industries today, were originally designed to improve the management efficiency of supermarkets, and were designed to reduce waiting time in front of the cash register and to automatically update inventory records at the same time as sales. With great achievements in retail applications, other industries are increasingly adopting bar codes.

Barcodes are divided into continuous and discontinuous types according to the symbol expression method.Discontinuous type refers to barcode symbology, in which each character is separated independently, there is a space between characters, and each character starts immediately and ends immediately. . Even if it is decrypted, it is done character by character. Unlike the continuous symbology, the continuous type does not have a gap between characters, and each character is a bar code symbology that starts with a bar and ends with a space. The end of a character is distinguished by the beginning of the next character.

In addition, barcodes are classified into one-dimensional (linear) barcodes and two-dimensional barcodes according to the data arrangement method, and the two-dimensional barcodes are further divided into multi-layered, matrix, circular, hexagonal, and color barcodes according to the shape and arrangement of the bars. can do.

Such a conventional barcode is a system widely used in all industries, and has a merit of improving management efficiency and easily knowing information about an article by inserting a symbol using a simple symbol structure, but a barcode is visually exposed and an article. Since it is attached to or printed on the barcode, it is difficult to check the contamination or damage of the barcode.

In addition, as the range of use of barcodes gradually increases, barcodes are used in other manufacturing processes and transportation processes as well as existing articles. Therefore, as the use range of the barcode is extended, contamination and damage of the barcode may cause serious problems. This is possible because it is impossible to read the contents of the barcode simply by contamination or damage of the barcode.

In order to solve this problem, the matrix type 2D code developed by Nippondenso of Japan in 1994 is a QR code. In the sense of the Quick Response Code, the symbology is designed specifically for logistics management and factory automation, where rapid reading is required.

The Phillips Dot Code symbol in the QR code represents the data as a square array of dots, ranging in size from 6 * 6 to 12 * 12. The Cutout symbol reads from any angle and maintains the ratio Black: White: Black: White: Black = 1: 1: 3: 1: 1 to allow reading anywhere in 360 degrees. In addition, a timing cell is provided between these cutout symbols to improve the reference point for data cell reading. The Mode Information cell indicates that the symbol contains numerical data, Alphnumeric data, or binary data. The size of a symbol can range from 21 * 21 to 105 * 105 (4 cells in increments) and can contain up to 2509 numeric characters, 1520 Alphanumeric characters, and 1045 binary characters.

Reed-Solomon algorithm is adopted for error detection and restoration of data, and there are three kinds of steps. Step 1 can detect and recover from 7%, step 2 from 15%, and step 3 from 30%.

However, QR codes cannot be used in certain areas with a lot of dust or in places where gases or liquids are sprayed, such as paint shops. This is because damage to part or all of the QR code label may result in an impossible reading.

The present invention is to solve the inherent problems of the QR code label as described above, the object of the present invention is produced and produced by using the technology of generating, inverting and puncturing the QR code label and the technology of reading and recognizing It is intended to use QR code labels in areas where general barcode labels are difficult to apply, such as goods loaded in warehouses, pallets for transporting goods, containers, products or places requiring painting, etc.

1 is a process for generating a normal QR code generated inverted QR code that can be punctured data, according to an embodiment of the present invention, punching the inverted QR code using a laser, water jet, drill or punch This is a block diagram showing a process and a method of detecting, extracting, reading and recognizing a QR code inverted and inverted using a light source.

2 is a block diagram illustrating a method of detecting and extracting a QR code label punched and inverted using an indirect light source and a reflecting plate and reading and recognizing using a dedicated reader or a general purpose reader according to another embodiment of the present invention.

3 is a block diagram illustrating a method of detecting and extracting a QR code label punched and inverted using a direct light source and reading and recognizing using a dedicated reader or a general purpose reader according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: QR code generation unit

110,111: QR code generated

120: laser, waterjet, drill or punch perforator

130: label material to be inverted image

140,141: completed and inverted QR code

150: QR code detection and extraction unit

160: QR code reader

170: QR code recognition unit

180: light source

181: light source reflector

190: QR code label produced in reverse

200: QR code detection and extraction unit

210: QR code reader

220: QR code recognition unit

230: light source

240: QR code label produced in reverse

250: light source reflecting unit

260: QR code detection, extraction and reading unit

300: QR code detection and extraction unit

310: QR code reader

320: QR code recognition unit

330: light source

340: QR code label produced in reverse

350: QR code detection, extraction and reading unit

In order to achieve the above object, the present invention provides a method for generating, manufacturing, recognizing and reading a perforated QR code label, the method comprising: (a) QR code based on information to be included in the QR code to be perforated (B) generating an inverted QR code based on the generated QR code; (c) drilling the inverted QR code into a desired material; (d) a light source for recognition and reading; Illuminating; And (e) recovering information using a recognition and reading device.

Here, the QR code generated in the step (a) is preferably one bar code selected from the group consisting of a QR code or a micro QR code.

In addition, it is preferable that the inverted QR code generated in step (b) includes accurate information to be provided to a device capable of drilling using a laser, a water jet, a drill or a punch.

In addition, in the step (c), the generated QR code is preferably one material selected from the group consisting of various metals, nonferrous metals, ceramics, plastics and paper.

In addition, in the step (d), it is preferable that the illuminating light source is sufficiently supplied to read the inverted barcode image or shadow image. The kind of the light source is preferably one light source selected from the group consisting of high brightness LEDs, general LEDs, halogens, fluorescent lamps, and three-wavelength fluorescent lamps.

The barcode recognition device uses an LED, a He-Ne Laser, and a laser diode according to the type of light source, a fixed beam in which the light beams from these light sources scan the barcode symbol only once, or the symbol is repeated several times. It is possible to use both a method of using a mobile beam for scanning and a contactless method for recognizing a state in which a barcode recognition device is in contact with an analysis object or a symbol or a non-contact method for recognizing a state without contact.

In the step (e), the inverted QR code image is preferably selected from the group consisting of a recognition device, a CCD camera, a CMOS camera, a general scanner, a dedicated scanner, and a barcode reader.

The bar code recognition device, also called a bar code reader or bar code reader, refers to a device having a function of converting an optically expressed bar code symbol into digital data that can be accommodated by a computer.

The data decrypted in the barcode reader may be sent directly to the reader, or temporarily stored in a buffer in the reader and sent at once, or used by an application program staying in the reader.

Although the invention has been particularly shown and described with reference to the above embodiments, it has been used for the purpose of illustration and those of ordinary skill in the art to which the invention pertains have the spirit and scope of the invention as defined in the appended claims. Various modifications can be made without departing from

According to the present invention as described above, by using a reverse image generation technology, a label production technology and a reverse QR code recognition technology of the QR code can be used in the process of spraying a lot of dust or factory, warehouse, gas or liquid In addition, the recognition success rate is also higher than before.

In addition, according to the present invention, by puncturing the QR code label produced by the simple cleaning when the contamination of the label has the effect of reducing the cost by increasing the reuse rate.

Claims (6)

In the generation of the inverted QR code and a method of recognizing and reading the same, (a) generating a QR code generated as an inverted image based on the information to be generated by the QR code; (b) The QR code label is inverted by selecting one material selected from the group consisting of various metals, non-ferrous metals, ceramics, plastics and paper using a puncher using a laser, water jet, drill or punch. Generating; (c) recognizing and reading the inverted QR code label using an indirect light source and a reflector; And (d) recognizing and reading the inverted QR code label using a direct light source. The method of claim 1, The step (a) is a step of generating a QR code by converting the entire information to be generated by the QR code, and inverted to generate the inverted QR code. The method according to claim 1 or 2, The step (a) is characterized in that the step of converting the text information, image information or both information to QR code information to generate an inverted QR code. The method of claim 1, In the group consisting of various metals, non-ferrous metals, ceramics, plastics and paper by using a perforator selected from the group consisting of a puncher using a laser, a waterjet, a drill or a punch in the QR code image generated and inverted in the step (a) Perforating the selected material. The method according to claim 1 or 4, And (c) recognizing and reading the inverted QR code image using the indirect light source and the reflector. The method according to claim 1 or 4, QR code label generated and inverted in the step (b) (d) using a direct light source to recognize and read the inverted QR code image.