JPH07115526A - Bar code reader - Google Patents

Abstract

PURPOSE:To surely read a bar code by providing a moving means moving the bar code reader while sensing its broadwise position to an equipment employing the bar code reader so as to move the bar code reader to a bar code position on an original automatically. CONSTITUTION:A mouse 19 points out a bar code 20a in an image 20 of an original S displayed on a display section 16.to enter a left end 20b and a right end 20c of the bar code 20a. The bar code reader 17 is moved to the position of the bar code on the original S by driving a motor 18 while a rotary angle sensing means is counted corresponding to a bar code position entered by the mouse 19. Thus, the bar code reader 17 is moved to the bar code position on the original S. Since the bar code reader 17 in an equipment 1 is matched with the bar code position on the original S automatically by having only to enter the left and right ends 20b, 20c of the bar code 20a on the display section 16 by the mouse 19, defective reading due to the difference from the position of the bar code on the original S and the position oaf the bar code reader 17 is avoided.

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 in which a bar code reader is provided in a bar code attached document reader.

[0002]

2. Description of the Related Art As a conventional bar code reader, as shown in FIGS. 4 and 5, a bar code reader 130 is used.
However, a device provided outside the document reading device 101 is known. In this conventional example, when the originals S placed on the original table 102 are fed one by one by the paper feed roller 103, the originals S are read by the bar code reader 130.
It is designed to read the bar code above.

The bar code reader 130 has two frames 1
Guide shafts 132, 1 spanned between 31a and 131b
When the document S is fed, the user manually adjusts the barcode reader 130 to the widthwise position of the barcode on the document S and then starts feeding the document. To do.

The document S fed out by the paper feed roller 103 is separated one by one by a pair of a feed roller 104 and a separation roller 105, and is then conveyed by downstream conveyance rollers 108, 1.
It reaches the image reading unit 116 through the 12-pair, front reading unit roller pair 114, 115.

In the image reading section 116, the original S from which the original image has been read is read by the reading section rear roller pair 119 and 12.
0, the transport belt pair 121, 122, and the discharge roller 1
The paper is discharged onto the paper discharge tray 124 by 23. Further, the original image read by the image reading unit 116 is photoelectrically converted by the optical units 117 and 118, the bar code information read by the bar code reader 130 is added as search information, and then the recording unit 126 unillustrated. It is recorded on a recording medium such as a magneto-optical disk.

[0006]

However, in the above-mentioned conventional example, the user has to manually adjust the position of the bar code reader 130 in the width direction when reading the document.
There was a bar code reading failure due to the position of the bar code on the document S and the position of the bar code reader 130 in the width direction not matching.

Further, since the bar code reader 130 is provided outside the document reading apparatus 1, the whole apparatus becomes large, and since the bar code reader 130 is provided in the document placing section, There is also a drawback that the bar code reader 130 is an obstacle when the document S is placed on the document table 102.

It is an object of the present invention to provide a bar code reading apparatus which can read a bar code without fail and which does not disturb the bar code reader.

[0009]

SUMMARY OF THE INVENTION According to the present invention, a bar code reader is provided in a document reading device to detect a width direction position of a bar code on a document, and a bar code reader detects a width direction position. The bar code reader is automatically moved to the bar code position on the original by providing a moving means for moving the bar code.

[0010]

1 to 3 are drawings showing a first embodiment of the present invention, and FIG. 1 is a front view showing an image reading apparatus provided with a bar code reading apparatus of the present embodiment. FIG. 2 is a central sectional view of FIG. 3 is a sectional view taken along the line AA of FIG.

The image reading apparatus 1 in this embodiment has a document placing table 2 on which the document S is placed, a sheet feeding roller 3 for feeding out the document S placed on the document placing table 2, and a sheet feeding device. It has a feed roller 4 that conveys the original and a separation roller 5 that rotates in a direction opposite to the paper feeding direction. This feed roller 4
By separating the document S one by one with a pair of the separation roller 5 and the separation roller 5, double feeding is prevented.

Further, the document guide member 6 and the document reading section 7
A conveyor belt 8 and 9, a paper discharge roller 10, a paper discharge tray 11 on which the discharged document S is placed, and an optical device for photoelectrically converting a document image read by the document reading unit 7. Units 12 and 13 and these optical units 1
A recording unit 14 for recording the document image photoelectrically converted in 2 and 13, a switch unit 15 for performing each operation of the apparatus, and a display unit 16 for displaying the read document image and operation information. And a bar code reader 17 for reading the bar code attached to the document with the bar code reading unit 26.
And a motor 18 for moving the barcode reader 17 in the width direction of the document. The motor 18
Has a rotation angle detecting means such as an encoder for detecting the rotation angle therein.

The device 1 is also provided with a mouse 19 for pointing an arbitrary point on the display 16 and operating the device 1. An image 20 of the read document S is displayed on the display unit 16.

Further, the main body chassis 21 is provided with guide shafts 22 and 23 for supporting the bar code reader 17, and the upper part of the guide shaft 22 is a rack 22a.
Further, the barcode reader 17 is slidably attached to the guide shafts 22 and 23 via a slide ring 24. The rack 22a of the guide shaft 22 meshes with a gear 25 attached to the shaft of the motor 18.

In the above-described structure, when reading a document with a bar code, the switch section 15 is operated to enter the bar code position setting mode. After that, one document S is placed on the document table 2 and the switch unit 15 is operated to start feeding.

The fed document S has a document image read by the document reading unit 7, and an image 20 read by the optical unit 12 that reads the same side of the document S as the barcode reader 17 is displayed on the display unit 16. Displayed above.

Here, the mouse 1 is moved to the bar code 20a in the image 20 of the document S displayed on the display unit 16.
By operating 9, the left end 2 of the barcode 20a
Input 0b and the right end portion 20c. The position of the bar code reader 17 is adjusted by detecting the position in the width direction of the inputs 20b and 20c from the mouse 19 and moving the bar code reader 17 to the position in the width direction corresponding to the position.

Here, the bar code reader 17 has the right end 17a in FIG. 3 contacting the inner side surface 21a of the main body chassis 21 except during operation, and the rotation angle of the gear 25 accompanying the movement of the bar code reader 17 is as follows. Is detected by the rotation angle detecting means in the motor 18.

Therefore, the bar code reader 17 is moved to the bar code position on the document S by rotating the motor 18 while counting the rotation angle detecting means in correspondence with the bar code position input by the mouse 19. You can

After that, the originals S to be read are aligned and placed on the original placing table 2, and the sheet feeding is started by operating the reading start switch section 15. The barcode of the fed document S is read by the barcode reader 17, and after the double-sided image is read by the document reading unit 7,
The paper output tray 1 by the conveyor belt 9 and the paper output roller 10
1 is ejected on the top.

The read double-sided image is photoelectrically converted by the optical units 12 and 13, and the barcode reader 17 is used.
After the bar code information read by is added as search information, it is recorded by the recording unit 14 on a recording medium such as a magneto-optical disk.

At the end of reading, if the switch unit 15 is operated, the bar code reader 17 returns to the initial position (the position where the end 17a of the bar code reader 17 contacts the inner surface 21a of the chassis of the main body), and the operation is completed.

The above-described operation is performed when the barcode positions of the originals to be fed are the same, but when the barcode positions on the original S are different, the switch section 15 is operated each time,
Reading is performed by setting the barcode position setting mode, passing the original S through the sheet, and repeating the same operation.

Therefore, according to this embodiment, the left and right ends 20b of the bar code 20a on the display unit 16 are moved by the mouse 19.
By simply inputting 20c, the bar code reader 17 in the apparatus 1 is automatically aligned with the bar code position on the manuscript S, so that the reading failure due to the displacement between the bar code on the manuscript S and the bar code reader 17 is eliminated. be able to.

Further, since the bar code reader 17 is provided in the apparatus 1, the size of the entire apparatus can be reduced, and the original S is placed on the original placing table 2 as in the prior art. It does not interfere with.

Next, a second embodiment of the present invention will be described.

In FIG. 2, the optical units 12 and 13 are equipped with image sensors (not shown) such as CCDs as photoelectric conversion elements. The resolution of the image sensor in the main scanning direction can be set up to 400 dpi, but during normal document reading, priority is given to shortening the reading time of the document and reducing the storage capacity of the recording medium over the resolution. The original is read at 100 dpi or 200 dpi.

Here, at the time of setting the bar code position, the resolution in the main scanning direction of the image sensor is set to 400 dpi (the minimum limit at which the bar code can be identified) when one original is fed, and the bar on the original is detected by the image sensor. Detects the widthwise position of the cord. Then, the bar code reader 1 is placed at the detected bar code position as in the first embodiment.
By moving 7 the position with the bar code is set. At the time of reading the original, the resolution of the image sensor is returned to 100 dpi or 200 dpi, and the original is read as in the first embodiment.

According to the present embodiment, since the position of the bar code reader can be set by feeding only one original, the user can easily read the original with the bar code without making an operation error. You can

Further, the resolution in the main scanning direction at the time of reading the original is set to 100 dpi or 200 dpi, and 400 dpi only when the bar code position is set, thereby shortening the time required for reading the original and reducing the original storage capacity required for the recording medium. Can contribute.

[0031]

As described above, according to the present invention,
By feeding one original, the position of the barcode reader in the width direction is automatically adjusted to the barcode position of the original, so there is no misalignment between the barcode reader and the barcode, and reliable reading is possible. You can

Further, since the bar code reader is provided inside the apparatus, there is an advantage that it can contribute to downsizing of the entire apparatus and that the bar code reader does not interfere when the original is placed on the original placing table. is there.

[Brief description of drawings]

FIG. 1 is a front view showing an image reading device provided with a bar code reading device according to an embodiment of the present invention.

FIG. 2 is a central sectional view of FIG.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a front view showing an image reading apparatus provided with a conventional barcode reading apparatus.

5 is a central cross-sectional view of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Image reading device, 2 ... Original placement table, 3 ... Paper feed roller, 4 ... Feed roller, 5 ... Separation roller, 6 ... Original guide member, 7 ... Original reading unit, 8, 9 ... Conveying belt, 10 ... Ejection Paper rollers, 11 ... Paper discharge tray, 12, 13 ... Optical unit, 14 ... Recording section, 15 ... Switch section, 16 ... Display section, 17 ... Bar code reader, 18 ... Motor, 19 ... Mouse, 21 ... Main body chassis, 22 and 23 ... Guide shaft, 24 ... Sliding ring, 25 ... Gear, 26 ... Bar code reading section.

Claims (2)

[Claims] 1. An original document placing unit for placing an original document before reading, a paper feeding and conveying unit for feeding and conveying the placed originals one by one, and an original image reading unit for reading an image on the original document. An image reading apparatus having a display unit for displaying a read document image, a bar code reading unit for reading a bar code attached to the document, a detection unit for detecting a position in the width direction of the bar code, and the bar. A bar code reading apparatus comprising: a moving unit that moves the code reading unit in the document width direction. 2. The bar code reading device according to claim 1, further comprising a pointing device such as a mouse.