JP2638031B2 - Passbook printer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Overview] Hyphens written on a medium are divided into scanning areas by an image sensor arranged obliquely and read, and the position of data in each divided area is corrected to determine a printed line. With respect to a passbook printer that can perform, a purpose of providing a normal printer that can set a print line by reading a thin mark such as a hyphen only with an image sensor, an insertion slot into which a plurality of types of media are inserted, A transport path along which the inserted medium is transported, reading means for scanning and reading a print line identification hyphen written in the print line direction near the leading end of the transported medium and a hyphen written on the already printed line, A printing unit provided on a road, wherein the printing unit determines the image data read by the reading unit and prints the image data at a printable position on the medium by the printing unit. Reading means arranged at a predetermined angle in the horizontal plane with respect to the transport direction of the medium, area detecting means for performing area division at a scanning interval corresponding to the inclination angle of the reading means, A position correction processing unit for correcting the position of the read image data according to the area is provided, and the image data position-corrected by the position correction processing unit is determined.

[Industrial applications]

The present invention relates to a passbook printer used in a financial institution or the like, and in particular, performs a position correction of data of each divided area by reading a divided scanning area by an image sensor in which hyphens written on a medium are arranged obliquely. And a passbook printer capable of discriminating already printed lines.

2. Description of the Related Art Recently, a bookkeeping machine for writing transaction contents on a passbook, a slip or the like at a counter of a financial institution has been widely used, and a hyphen of a printed line written on the medium at the time of bookkeeping is detected and counted by an image sensor. However, since the line of the hyphen is thin, reliable reading cannot be performed with the interval width in the sub-scanning direction, and it is difficult to distinguish the dirt from the dirt on the paper surface, and a row setting error occurs. Therefore, a method for solving this problem is desired. ing.

[Conventional technology]

As shown in FIG. 5, the bookkeeping machine displays an apparatus main body 1 having an insertion slot 1a into which a passbook 10a is inserted, a transaction mode, a keyboard 2 for inputting a customer's account number and transaction details, and operation processing details. The display 3 is configured as follows. The device is connected to a computer sensor not shown.

As shown in FIG. 6, an insertion slot 1a is provided inside the apparatus main body 1.
Feed rollers R _{1 to} R ₃ , which convey the transport path 4, usually 10 a,
Pressing roller R ₄ to R _6, the tip of the inserted passbook 10a, sensors S1, S2 for detecting the rear end, is constituted by a charge coupled device (CCD),
A reading sensor S3 for reading a page barcode and detecting a printed line from a hyphen for date printing, and a page turning unit 5 and a printing unit 6 on a transport path 4 are provided. Feed roller R ₁ to R ₃ is connected to a motor which is not shown, the roller R ₄ to R ₆ presser when conveying the passbook 10a is closed.

With such a configuration and functions, the operator presses the entry mode button of the keyboard 2 and then passes through the passbook 10a.
Is inserted in the direction of arrow A from the insertion slot 1a, the sensor S1 detects the tip of the passbook 10a and conveys it.

As shown in FIG. 7 (a), the reading sensor S3 secures a constant field width w, recognizes the printed page barcode near the front end of the passbook 10a within this field width w, and prints 0 lines. After detecting the hyphen printed on the eyes, it is determined whether or not there is subsequent line printing (the hyphen is printed at the same position as the 0th line in the year / month / day printing). The sheet is conveyed until the trailing edge is detected, and the steps from the last line of the passbook 10a to the print position are edited and determined, and the printable position is automatically conveyed to the printer unit 6 to set the line.

Next, when transaction contents such as a deposit amount are input from the keyboard 2, the computer unit communicates with the computer center and the printer unit 6 prints the passbook 10a including the savings balance. When printing is performed over a plurality of lines, a line feed operation is performed and printing is performed. If there is still print data remaining after printing up to the last line, the passbook 10a is transferred to the page turning section 5, where page turning is performed, and printing is performed again by the printer section 6. When printing is completed, the bankbook 10a is sent in the direction of arrow B and
Emitted from a. In this manner, the data is printed on a medium such as a passbook, a slip, or a certificate by the bookkeeping machine.

Here, the printing line detection method will be described in detail. In the block diagram of FIG. 8, reference numeral 8 denotes a level correction circuit for correcting the variation in reading of the reading sensor S3 with the stored white level, reference numeral 9 denotes an image data shift circuit, and reference numeral 11 denotes an absolute value. A slice level determination circuit 12a for determining a slice level of a pixel and a relative pixel, 12a counts a clock signal corresponding to data read by the reading sensor S3, and detects an area printed with a date. Composed of AND circuits,
A clock gate circuit that generates a count pulse when the slice level is exceeded, 14a and 14b are pixel counters, 15 is a data read latch circuit composed of the same number of registers as pixel counters 14a and 14b, not shown, and 16 is a main control unit. , 17 indicate a set row counter, and 18 indicates a medium transport control unit.

Accordingly, the passbook 10a is conveyed as described above under the control of the medium conveyance control unit 18, the hyphen is read by the reading sensor S3, and the read data is sent to the level correction circuit 8
The slice level determination circuit 11 calculates the absolute value of the amount of change from the image data sent from the level correction circuit 8 and the data before sent from the image data shift circuit 9,
That is, it is determined whether or not the relative pixel is greater than or equal to a predetermined value, and the relative pixel (change point) is determined, and whether or not the absolute value of the data from the level correction circuit 8 is greater than or equal to the predetermined value. (White or black) to the clock gate circuit 13.

On the other hand, the area detection circuit 12a counts a clock signal corresponding to the data read by the reading sensor S3, detects a hyphen area position, and sends a level signal to the clock gate circuit 13.

The output signals of the clock gate circuit 13 based on the absolute pixel and the relative pixel exceeding the slice level are output from the pixel counter 14 respectively.
a, 14b, and are latched by the data read latch circuit 15.

Therefore, the latched data is sent to the main control unit 16 by the operation end signal sent from the area detection circuit 12a,
It is counted by the set row counter 17. Further, if there is a printed line, a hyphen is similarly detected. Even if there are no more printed lines, the passbook 10a is transported as it is, and when the trailing end of the passbook 10a is detected by the sensor S2, printable lines are determined based on the number of lines counted by the set line counter 17 in the medium transport control unit. It is set in the printer unit 6 under the control of 18.

[Problems to be solved by the invention]

According to the conventional method, the passbook is scanned by the image sensor while transferring the passbook, and the hyphen line is thin.
As shown in FIG. 6B, the hyphen and the reading sensor are parallel, and the scanning line is only once or twice with the interval width in the sub-scanning direction, so that reliable reading cannot be performed. Difficult to set rows.

A reading sensor is required for page barcode recognition,
Therefore, if a reflection type optical sensor is used exclusively for detecting a hyphen, it is possible to prevent a row setting error, but there is a problem that the addition of the reflection type optical sensor increases the mechanism and the circuit scale.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a passbook printer that can set a print line by reading a thin mark such as a hyphen using only a reading sensor.

[Means for solving the problem]

FIG. 1 is a block diagram showing the principle of the present invention. In the figure, reference numeral 7 denotes reading means arranged at a predetermined angle in the horizontal plane with respect to the transport direction of the medium 10, 12 denotes area detecting means for dividing a scanning interval corresponding to the inclination angle by the reading means 7, 19 denotes This is a position correction processing unit that corrects the position of the image data read by the reading unit 7 in accordance with the divided areas detected by the region detection unit 12.

Therefore, it is configured to determine the image data whose position has been corrected by the position correction processing means 19.

[Action]

When the medium 10 is inserted, the hyphen is read obliquely for each divided region by a plurality of scans of the reading means 7 which is tilted. The image data of each of the divided areas is detected by the area detecting means 12 and position-corrected by the position-correcting processing means 19, that is, joined. A hyphen is determined based on the position-corrected image data.

In this way, a thin line of hyphens is scanned diagonally a plurality of times, and the respective image data can be combined to collectively detect the image data. Row set mistakes can be prevented.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. In FIG. 2, those corresponding to FIG. 1 are shown surrounded by alternate long and short dash lines. The same reference numerals indicate the same objects throughout the drawings.

FIG. 2 shows a control block diagram of the print line set, in which the reading sensor S3 is arranged at a predetermined angle in the horizontal plane with respect to the transfer direction of the passbook 10a.

The area detection circuit 12b divides the area at intervals corresponding to an inclination angle for one scanning interval. That is, as shown in FIG. 3, a clock signal corresponding to an interval a divided into n areas, for example, when a hyphen is scanned obliquely, corresponding to image data read by the obliquely arranged reading sensor S3. Count and cut out the area.

The clock gate circuit 13a is composed of an AND circuit having a number of area divisions n × 2 based on a combination of an absolute pixel, a relative pixel, and the number n of area divisions, and generates a count pulse when the count exceeds the slice level.

The pixel counters 14 ₁ , 14 ₂ ,..., 14 _2n calculate the area division number n by the combination of the absolute pixel, the relative pixel, and the area division number.
It is composed of × 2 AND circuits.

The data read latch circuit 15a includes a pixel counter 14 ₁ , 1
4 _2, and a register (not shown) of the same number as ... 14 _2n.

The position correction processing unit 19a performs a position correction process of the pixel count data latched by the data read latch circuit 15a according to the divided area. That is, as shown by a two-dot chain line in FIG. 3, the positions of the divided data are corrected and integrated.

 16a indicates a main control unit.

Having such a configuration and function, the operation will be described with reference to the flowchart of FIG.

First, the passbook transferred by the inclined reading sensor S3
Read the hyphen at 10a.

The read data is corrected by the level correction circuit 8,
The absolute pixel and the relative pixel sent from the level correction circuit 8 are sliced by the slice level determination circuit 11 by the clock gate circuit 13a.
Send to

On the other hand, the area detection circuit 12b divides the reading area of the reading sensor S3 into n areas at an interval a, and cuts out the divided areas.

The level signal for each divided area is a clock gate circuit 13a
Sent to

The clock gate circuit 13a outputs an output signal based on a combination of an absolute pixel and a relative pixel exceeding the slice level and a level signal for each divided area, and respectively outputs pixel counters 14 ₁ , 14 ₂ ,
Is counted ... 14 _2n, are latched by the data read latch circuit 15a.

The scan end signal is sent from the area detection circuit 12b to the data read latch circuit 15a and the main control unit 16a, the latched data is sent to the position correction processing unit 19a, and the divided pixel count data is processed by the position correction processing. It is put together.

The position-corrected data is sent to the main controller 16a, detected as a hyphen, and counted by the set row counter 17.

If there is an already printed line, the subsequent flow is repeated and a hyphen is detected.

Even if there are no more printed lines, the passbook 10a is transported as it is, and when the trailing end of the passbook 10a is detected by the sensor S2, printable lines are determined based on the number of lines counted by the set line counter 17 in the medium transport control unit. It is set in the printer unit 6 under the control of 18.

In this way, hyphens can be detected by obliquely reading and dividing and reading the data that has been divided and read.Thus, thin lines like hyphens can be reliably detected, and printing due to dirt on the paper surface can be performed. Possible row set errors can be prevented.

〔The invention's effect〕

As described above, according to the present invention, it is possible to accurately detect a thin line such as a hyphen, and to prevent a mistake in setting a print line due to dirt on a paper surface.

[Brief description of the drawings]

 1 is a block diagram showing the principle of the present invention, FIG. 2 is a block diagram showing an embodiment of the present invention, FIG. 3 is an explanatory diagram of the embodiment, FIG. 4 is a flowchart of the embodiment, and FIG. FIG. 6 is a side view showing a conventional medium feeding mechanism, FIG. 7 is an explanatory view of a conventional example, and FIG. 8 is a block diagram showing a conventional example. In the figure, 7 is a reading means, 10 is a medium, 10a is a passbook, 12 is an area detecting means, 12a and 12b are area detecting circuits, 19 is a position correction processing means, 19a is a position correction processing section, and S3 is a reading sensor. .

Claims (1)

(57) [Claims] 1. An insertion slot into which a plurality of types of media (10) are inserted, a transport path through which the medium (10) inserted through the insertion slot is transported, and a medium ( A reading means (7) for scanning and reading a print line identification hyphen written in the print line direction and a hyphen written on the already printed line near the leading end of (10); and a printing means provided on the transport path. A printer that discriminates image data read by the reading means (7) and prints the image data at a printable position on the medium (10) by the printing means, The reading means (7) arranged at a predetermined angle in the horizontal plane, an area detecting means (12) for dividing a scanning interval corresponding to the inclination angle by the reading means (7), and the area detecting means The reading is performed in accordance with the divided area detected by (12). A position correction processing unit (19) for correcting the position of the image data read by the step (7), wherein the image data position-corrected by the position correction processing unit (19) is determined. Printer.