JPH05233624A - Document processor - Google Patents

Abstract

PURPOSE:To dispense with complicated numerical value setting for designating a pitch, and to execute printing so as to look to advantage by providing a printing control means for inputting the number of characters printed in a moving range of a printing means, and setting its inter-character pitch. CONSTITUTION:A display mechanism DM is provided with a display controller 21 containing a display RAM for outputting display data to a liquid crystal display device 7, and a character generator ROM for storing many dot patterns of a character and a symbol, etc. Also, a printing mechanism AM is constituted of a printing device 9 provided with a carriage 12 which can slide on a guide 11 by driving a carriage motor 33, and a driving circuit 31 for controlling a driving timing of a type wheel 13 and a printing hammer 14, and also, driving a carriage motor 33 and a platen motor 32. A controller C consists of a CPU 60, an input/output interface 40 connected through its data bus 50, a ROM 70 and a RAM 80, and controls an inter-character pitch of document data.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document processing device,
In particular, it relates to the setting of the character pitch at the time of printing in the document processing device.

[0002]

2. Description of the Related Art Generally, in this type of document processing apparatus,
When printing character data of a document or the like on paper, it is necessary for the operator to set the character-to-character pitch in order to improve the appearance of the printed document or the like. Conventionally, in order to make such a setting, the operator determines how many millimeters the inter-character pitch is to be set by looking at the setting screen displayed on the display when the setting of the inter-character pitch is instructed by a keyboard or the like. The setting is performed by inputting or by selecting from several predetermined types of formats.

[0003]

However, in the above-described document processing apparatus, the operator can only know the number displayed on the screen when setting the inter-character pitch. Therefore, for example, when printing within an arbitrarily defined range such as the amount column of a slip, it is very difficult to set the character pitch so that the characters can be printed nicely within the range. ..

The present invention has been made to solve the above-mentioned problems, and document processing in which the value of the inter-character pitch can be set according to the number of characters to be printed within an arbitrarily defined range. The purpose is to provide a device.

[0005]

In order to achieve this object, the document processing apparatus of the present invention, as shown in FIG. 1, is an input means for inputting characters and symbols and various command signals.
A storage unit capable of storing the input character string as document data, a display unit for displaying the input characters and symbols, and a document for reading the document data stored in the storage unit and displaying it on the display unit. A document processing apparatus comprising display control means and printing means for printing the document data in response to a print command from the input means, the moving means moving the printing means in response to an input from the input means. Means and print control means for setting the character pitch of the characters to be printed by inputting the number of characters to be printed within the moving range of the printing means from the input means.

[0006]

In the document processing apparatus of the present invention having the above construction, the document data consisting of characters and symbols input by the input means is stored in the storage means and displayed on the display means. When a print command is input from the input means, the print means prints the document data. At this time, the character-to-character pitch of the document data to be printed is the moving range of the printing means moved by the moving means in response to the input from the input means, and the number of characters printed in the moving range input by the input means. Is set by the print control means based on

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to an electronic typewriter will be described below with reference to the drawings.

First, in FIG. 3 showing the overall schematic structure, a keyboard 2 is provided on the front part of the main body 1 of the electronic typewriter. The keyboard 2 includes a character key 3 for inputting characters such as alphabets and symbols, a move key 4 for moving a cursor or a carriage 12 which will be described later, an automatic pitch instruction key 5 used for setting an inter-character pitch, and a processing key. A return key 6 for making a break, an end key 7 for instructing the end of the operation, and the like are provided.

A liquid crystal display device 7, for example, is arranged diagonally upward at the rear of the keyboard 2, and a rectangular display screen 8 is provided on the front surface of the liquid crystal display device 7. The display screen 8 is configured to display a plurality of lines, for example, 20 lines, which are being prepared and proofread.

A printing device 9 having a well-known structure is provided behind the liquid crystal display device 7. To briefly describe the printer 9, a platen 10 is rotatably provided at the rear part of the main body 1.
0 is driven to rotate by a platen motor 32 described later. On the front side of the platen 10, the guide 1
1 is arranged parallel to the longitudinal direction of the platen 10,
A carriage 12 that constitutes the printing means of the present invention is provided on the guide 11 so as to be slidable in the longitudinal direction of the platen 10. The carriage 12 applies a driving force of a carriage motor 33, which will be described later, to a timing belt (not shown).
It can be slid by transmitting to the carriage 12 via.

The carriage 12 is provided with a type wheel 13, a print hammer 14, an ink ribbon cassette 15 and the like, which form a printing means. In this case, the type wheel 13 is rotated to align the type corresponding to the character data with the printing position, and the type is printed by hitting the type on the printing paper via the ink ribbon by the printing hammer 14.

Next, the overall structure of the control system of the electronic typewriter of this embodiment will be described with reference to FIG.

The electronic typewriter of this embodiment is basically composed of a keyboard 2, a display mechanism DM, a printing mechanism AM, a control device C and the like, and the keyboard 2, the display mechanism DM and the printing mechanism AM of the control device C. I / O interface 4
It is connected to 0.

The display mechanism DM includes the liquid crystal display device 7, a display RAM for outputting display data to the liquid crystal display device 7, and a character generator RO storing a large number of dot patterns such as characters and symbols.
It has a general configuration including a display controller 21 including M.

The printing mechanism AM includes a printing device 9 having a carriage 12 slidable on the guide 11 by driving the carriage motor 33 as described above, a type wheel 13 constituting the printing device 9 and printing. The drive timing of the hammer 14 is controlled, and the carriage motor 33,
The drive circuit 31 drives the platen motor 32.

The controller C has a CPU 60 and a CPU 6
It is composed of an input / output interface 40, a ROM 70, and a RAM 80, which are connected to 0 via a data bus 50.

Program memory 7 constituting ROM 70
1 stores a control program for controlling the display mechanism DM, a control program for controlling the printing mechanism AM, etc. in correspondence with code data of characters and symbols input from the keyboard 2.

The RAM 80 is provided with a management area 81 for storing information on each processing, and the management area 81 has a processing character pitch information 82 for storing the processing character pitch information and a printing device. 9 for printing device management information 83 for storing management information such as position information of the carriage 12 in FIG. Further, in the RAM 80, a text work area 84 for storing work information for editing document data, and a text save area 8 for storing each document data.
5 are provided.

Next, the control routine for executing the setting process of the character-to-character pitch performed by the control device C of the electronic typewriter of the present embodiment will be explained based on the flowcharts shown in FIGS. 4 to 8.

When the POWER ON operation is performed, the RAM
The in-process character pitch information 82 and the printing device management information 83 forming the management area 81 of 80 are initialized by default values (S10, S11), and the drive circuit 31 is controlled to drive the carriage motor, Move the carriage to the origin position which is the initial position (S12),
Wait for key input from the keyboard 2 (S13). Then, when there is a key input (S13: YES) and the key is the character key 3 (S14: YES), based on the currently set inter-character pitch 82, to the text storage area 85 of the input character. Is set (S20), the display controller 21 is operated based on the contents of the text work area 84 and the text storage area 85, and the characters are displayed on the display screen of the liquid crystal display device 7 (S23). The character wheel 13 is operated to rotate the character wheel 13 so that the character corresponding to the character faces the ink ribbon, and the printing hammer 14 is struck to print the character on the printing paper supported by the platen 10 (S24).

The input key is not the character key 3 (S14: N
O), not the automatic pitch instruction key 5 (S15: N
O), if the end key 7 is pressed (S19: YES), all the processes are ended.

If the input key is the automatic pitch instruction key 5 (S15: YES), the leading (left end) carriage position determination process (S16) is performed. In this process, if there is an input key (S30: YES), and it is not the return key 6 (S31: NO) but the left and right cursor keys 4 (S32: YES), the carriage motor 33 is operated by the operation of the drive circuit 31. To move the carriage 12 in the direction input by the cursor key 4 (S33),
Along with this, the carriage position information of the printing device management information 83 of the RAM 80 is updated (S34). Then, when the return key 6 is input (S31: YES), the position information of the carriage 12 when the return key 6 is input is stored as the left end position information as the printing device management information 83 of the RAM 80 (S36). ), The head (leftmost) carriage position determination process ends.

First (leftmost) carriage position determination process (S
After performing 16), the end point (right end) carriage position determination process (S17) is performed. In this process, if there is an input key (S40: YES), and it is not the return key 6 (S41: NO) but the left and right cursor keys 4 (S42: YES), the carriage motor 33 is operated by the operation of the drive circuit 31. To move the carriage 12 in the direction input by the cursor key 4 (S43),
Along with this, the carriage position information of the printing device management information 83 of the RAM 80 is updated (S44). Then, when the return key 6 is input (S41: YES), the position information of the carriage 12 when the return key 6 is input is stored in the printing device management information 83 of the RAM 80 as the right end position information (S45). ), The end point (right end) carriage position determination processing ends.

End point (right end) carriage position determination processing (S
After performing 17), a process for designating the number of characters included between the start point and the end point (S18) is performed. In this process, if there is a key input (S50: YES) and the input is a numerical value from the numeric keys 1 to 9 (S51: YES), the input numerical value is used as the input character number in the printing device management information of the RAM 80. It is stored (S53). When the return key 6 is pressed (S51: YES), the character number designation process ends.

When the process for designating the number of characters (S18) is completed, (right edge position-left edge position) / (number of input characters) is calculated to obtain the character pitch, which is stored in the character pitch information 82 being processed in the RAM 80. (S22), drive circuit 3
By the operation of 1, the carriage motor 33 is driven to move the carriage 12 to the left end position (S25), and the input key waiting state is set (S13). Then, until the automatic pitch support key 5 is input again, the characters input from the character key 3 are sequentially printed at the inter-character pitch obtained as described above, with the left end position as a base point.

As described above, according to the electronic typewriter of the present embodiment, the carriage 12 is moved to an arbitrary range to specify the range, and the number of characters to be printed is set within the range, whereby the characters to be printed are Since the inter-character pitch can be automatically set, it is possible to print with good appearance in a preprinted frame.

The present invention is not limited to the above-mentioned embodiments, and various modifications can be made without departing from the spirit of the invention.

For example, when printing character data input from the keyboard 2, instead of driving the printing hammer 14 for each character, an appropriate amount of character data is accumulated.
The character pitch may be set for the character data and printing may be performed.

[0029]

As is apparent from the above description, according to the document processing apparatus of the present invention, the printing means is moved to specify an arbitrary range, and the number of characters to be printed is set within the range. Since the character pitch of the characters to be printed can be set automatically, it is not necessary to set a difficult-to-understand numerical value to specify the character pitch, and it will look good in any preprinted printing range. There is an effect that it can be printed well.

[Brief description of drawings]

FIG. 1 is a claim correspondence diagram showing a configuration of a document processing apparatus of the present invention.

FIG. 2 is a block diagram of a control system of the electronic typewriter of this embodiment.

FIG. 3 is an external view of an electronic typewriter of this embodiment.

FIG. 4 is a flowchart showing a flow of operations in the electronic typewriter of this embodiment.

FIG. 5 is a flowchart showing a flow of operations in the electronic typewriter of this embodiment.

FIG. 6 is a flowchart showing a subroutine of a leading (leftmost) carriage position determination process in the electronic typewriter of this embodiment.

FIG. 7 is a flowchart showing a subroutine of an end point (right end) carriage position determination process in the electronic typewriter of the present embodiment.

FIG. 8 is a flow chart showing a subroutine of a process for designating the number of characters entering between two points in the electronic typewriter of this embodiment.

[Explanation of symbols]

 3 keyboard 7 liquid crystal display device 9 printing device 21 display controller 31 drive circuit 60 CPU 80 RAM

Claims (1)

[Claims] 1. An input unit for inputting characters and symbols and various command signals, a storage unit capable of storing an input character string as document data, and a display for displaying the input characters and symbols. A document having means, a document display control means for reading the document data stored in the storage means and displaying it on the display means, and a printing means for printing the document data in response to a print command from the input means. In the processing device, the moving means for moving the printing means in response to the input from the input means, and the number of characters to be printed within the moving range of the printing means are inputted from the input means, thereby A document processing apparatus comprising: a print control unit that sets a character pitch.