JP3033338B2 - Barcode reader test equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bar code reader testing apparatus for testing a bar code reading operation by a bar code reader.

[0002]

2. Description of the Related Art Recently, bar codes are attached to various products and products, and the bar codes are read by a bar code reader to recognize code data corresponding to a bar code pattern, thereby performing product management and the like. .

Here, the above-mentioned bar code reader needs to perform a bar code reading test at the time of its completion inspection.
This was done using a barcode test chart.

[0004] That is, the bar code test chart is obtained by printing a plurality of bar code patterns on a chart paper together with the code data. That is, the bar code pattern on the test chart is actually read by a bar code reader. Matching of the recognition result with the code data corresponding to the read barcode on the test chart /
The operator himself / herself compared and judged the disagreement, and tested the reader.

[0005]

However, the code data corresponding to the bar code pattern often has a large number of random numbers arranged from the viewpoint of a human.
Visually comparing the code data displayed as the recognition result with the code data on the test chart has a problem that it is very troublesome and easy to make an error.

[0006] The present invention has been made in view of the above problems,
It is an object of the present invention to provide a bar code reader test apparatus capable of easily and accurately performing a bar code pattern reading inspection without having to perform an inspection by visual comparison of code data using a test chart.

[0007]

That is, a bar code reader testing apparatus according to the present invention recognizes a reader connecting means for connecting a bar code reader, and recognizes input information from the bar code reader connected to the reader connecting means. Reader information recognizing means, a pattern generating means for generating a test barcode pattern, a display means for displaying a barcode generated by the pattern generating means, and barcode information being displayed on the display means. It is provided with bar code information comparing means for comparing with information recognized by the reader information recognizing means.

[0008]

That is, the bar code for the test generated by the pattern generating means is displayed on the display means and read by the bar code reader under test, so that the read code information is recognized by the reader information recognizing means. ,
The recognized read code information is automatically compared with the code information of the test bar code by the bar code information comparing means, so that the read inspection of the bar code reader can be automatically performed based on the coincidence / mismatch. Become.

[0009]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows the external structure of a bar code reader test apparatus. In FIG. 1, reference numeral 11 denotes a test apparatus main body. Is provided.

A key input section 14 and a liquid crystal display section 15 are provided on an upper surface of the apparatus main body 11. The key input section 14 provides an instruction to display and generate a test barcode pattern and an instruction to start a reading test. In addition, the display section 15 displays the test barcode pattern, a display of the code data, and a pass / fail message (OK / NG) of the inspection result.

That is, when the test bar code is read by the bar code reader 12 to be inspected while an arbitrary test bar code pattern is displayed on the display unit 15 by operating the key input unit 14, the reader Connection terminal 13
The code data corresponding to the read information input from is recognized inside the apparatus main body 11 and compared with the code data corresponding to the test barcode pattern.

If a match is obtained by the comparison process of the code data, an inspection pass message "OK" of the bar code reader under test 12 is displayed, and if a mismatch is obtained, an inspection failure message "NG" is displayed. Is done.

FIG. 2 shows the configuration of the electronic circuit of the bar code reader test apparatus. In FIG. 2, reference numeral 21 denotes a control unit which controls the operation of the bar code reader test apparatus. Key input unit 1 in FIG.
4 and the display unit 15 are connected, and a reader connection terminal 13 for inputting read information from the bar code reader 12 to be tested via the bar code reader interface 22 is connected. Further, a test / barcode pattern storage unit 23, a recognition unit 24, and a determination unit 25 are connected to the control unit 21.

Test barcode pattern storage unit 23
Stores a large number of test barcode patterns in advance, and when the key input unit 14 gives an instruction to select the test barcode pattern, for example, a test corresponding to any key number of the numeric keypad is performed. The bar code pattern is read out by the control unit 21 and displayed on the display unit 15 together with the code data.

The recognition unit 24 is connected to the control unit 2 via the barcode reader interface 22 from the reader connection terminal 13.
The code data of the read bar code is recognized based on the bar code read information of the bar code reader 12 to be input to 1 and the read code data recognized by the recognition unit 24 is transferred to the determination unit 25. You.

The judging unit 25 corresponds to the read code data recognized by the recognizing unit 24 and the test bar code pattern read from the test bar code pattern storage unit 23 and displayed on the display unit 15. The match / mismatch with the code data is compared and determined. The match / mismatch determination signal from the determination unit 15 is sent to the control unit 2.
1 is output.

Here, when the judgment unit 25 outputs a display / read code data match judgment signal to the control unit 21, the control unit 21 displays an inspection pass message “OK” on the display unit 15. When the mismatch determination signal is output, an inspection failure message "NG" is displayed and output. Next, the operation of the barcode reader test device having the above configuration will be described.

That is, when the bar code reader under test 12 is connected to the reader connection terminal 13 of the apparatus main body 11 and a test bar code is selected and instructed by the key input unit 14, for example, a test code corresponding to the key number is displayed. The barcode pattern is stored in the test barcode pattern storage unit 23.
Is read out to the control unit 21 and displayed on the display unit 15.

When the test bar code pattern is read by the bar code reader under test 12 with the test bar code pattern displayed on the display section 15, the read information of the test bar code is read. Barcode reader interface 2 from connection terminal 13
2, and is input to the control unit 21 and given to the recognition unit 24.

Then, in the recognition unit 24, the control unit 21
The code data corresponding to the read information recognized and processed by the recognition unit 24 is provided to the determination unit 25 from the control unit 21.

The read code data given to the determination unit 25 is compared with the code data corresponding to the test bar code pattern displayed on the display unit 15 in advance, and the match / mismatch is determined.

Here, the code data of the test bar code pattern previously displayed on the display unit 15 and the code data based on the read information from the bar code reader 12 under test which read the test bar code pattern are displayed. When a coincidence determination signal is obtained, an inspection pass message “OK” is displayed and output from the control unit 21 to the display unit 15.

In addition, a mismatch between the code data of the test bar code pattern previously displayed on the display unit 15 and the code data based on the read information from the bar code reader 12 to be read which has read the test bar code pattern. When the judgment signal is obtained, the inspection failure message “NG” is displayed and output from the control unit 21 to the display unit 15.

Therefore, according to the bar code reader test apparatus having the above-described configuration, the test bar code pattern storage unit 23 controls the control unit 21 in response to an instruction from the key input unit 14.
The bar code for reading is displayed on the display unit 15 and the bar code for test is read by the bar code reader under test 12. The read code information is transmitted from the reader connection terminal 13 to the bar code reader interface. The recognition code is given to the recognition unit 24 through the communication unit 22 and the read code information thus recognized is determined by the determination unit 25.
Is automatically compared with the code information of the above-described test bar code, and the match / mismatch is determined. Therefore, the bar code pattern on the test chart is read and the recognition result and the The operator himself / herself does not visually judge the match / mismatch with the code data corresponding to the read barcode.
Bar code pattern reading inspection can be performed easily and accurately.

In the above embodiment, the reading information of the test barcode by the barcode reader under test 12 is configured to be recognized by the recognition unit 24 in the apparatus main body 11. For example, the recognition unit is integrated. When a test of the provided bar code reader is performed, the read code data after the recognition may be directly supplied to the determination unit 25 to perform a comparison determination with the test bar code data.

[0027]

As described above, according to the present invention, reader connecting means for connecting a bar code reader, reader information recognizing means for recognizing input information from the bar code reader connected to the reader connecting means, Pattern generating means for generating a test bar code pattern, display means for displaying the bar code generated by the pattern generating means, and bar code information being displayed on the display means being recognized by the reader information recognizing means. And bar code information comparing means for comparing with the read information, it is possible to easily and accurately perform the bar code pattern reading inspection without the need to perform the inspection by visual comparison of the code data using the test chart. become.

[Brief description of the drawings]

FIG. 1 is a diagram showing an external configuration of a barcode reader test apparatus according to one embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of an electronic circuit of the bar code reader test apparatus.

[Explanation of symbols]

11: Device main body, 12: Bar code reader under test, 13
... Reader connection terminal, 14 ... Key input unit, 15 ... Liquid crystal display unit, 21 ... Control unit, 22 ... Barcode reader interface, 23 ... Test barcode pattern storage unit, 2
4 ... Recognition unit, 25 ... Judgment unit

Claims (1)

(57) [Claims] 1. A reader connecting means for connecting a bar code reader, reader information recognizing means for recognizing input information from a bar code reader connected to the reader connecting means, and a pattern for generating a test bar code pattern. Generating means; display means for displaying a barcode generated by the pattern generating means; and barcode information comparing means for comparing barcode information being displayed on the display means with information recognized by the reader information recognizing means. And a bar code reader test device.