JPH0227150B2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a word processing device, and in particular, in the process of document creation, in addition to the basic font, special fonts such as symbols for scientific calculations can be used as needed. To provide a word processor device which allows easy use of typefaces and facilitates processing using extended typefaces other than basic typefaces.

BACKGROUND TECHNOLOGY In general, in word processing devices that use alphanumeric characters, kana characters, etc., printers with daisy wheels, that is, petal-shaped wheels, are mainly used from the viewpoint of emphasizing the clarity and cleanliness of printed characters. ing. However, the number of characters on the Daisy Wheel is limited to about 96 characters due to the keyboard layout.

Although this number of characters is sufficient for ordinary English letters, it is insufficient when creating files such as technical papers and technical reports.

A conventional method to compensate for this problem is to use a wheel containing a mixture of alphanumeric symbols and symbols for scientific calculations instead of a standard wheel containing basic letters.

However, this method sacrifices standard symbols to some extent, so it is not necessarily convenient. That is, the number of letters remains the same, for example 96, and the code system itself is not expanded, but standard symbols are replaced with symbols for scientific calculations.

Moreover, in the case of this conventional method, the input code is given, for example, the standard symbol "&", and although it is the same "&" on display, it is actually a code for scientific calculations. An operation is performed in which the symbol "∞" is printed.

Therefore, it becomes very confusing for the operator and the operability is reduced. moreover,
When using a wheel for scientific calculations, this wheel must be used from the beginning, and it is not possible to use the standard wheel only for the main text, for example.

It is a conventional practice to change the wheel in the middle of a file and change the font from pica to proportional. In this case, the types of characters that can be processed are the same as the standard wheel, for example, a fixed number of 96, and the types of characters are not expanded.

Problems to be Solved by the Invention Therefore, the word processor device of the present invention solves these inconveniences in conventional devices, allows the use of multiple fonts to create a single file, and makes it possible to change the font. It is an object of the present invention to provide a word processing device that can perform input operations including the following.

Means for Solving the Problems In the present invention, an input means, a data buffer memory, a pattern memory having character pattern information, a display for displaying the contents of the data buffer memory, and a plurality of types of wheels can be replaced. printer and
In a word processor device comprising a control information table for the printer, a data memory for storing input data, and a control section for controlling these, the pattern memory is provided with a pattern memory corresponding to each of the plurality of types of wheels. a memory area provided in the control information table corresponding to each of the plurality of types of wheels, and a wheel exchange control that generates an exchange control code corresponding to the type of wheel provided in the input means. code generation means; and wheel exchange control code transfer means for transmitting a wheel exchange control code outputted from the wheel exchange control code generation means to the data memory, the wheel exchange control code transfer means transmitting the wheel exchange control code from the wheel exchange control code generation means when creating a document. A wheel exchange control code corresponding to the type of wheel exchange control code is input together with data and stored in the data memory, and when outputting from the data memory to the printer, the wheel exchange control code stored in the data memory is used to control the wheel exchange. The type of wheel is detected, pattern information and control information are read from the memory area corresponding to the type of wheel in the pattern memory and control information table, and a printing operation is performed, and the type of wheel is changed according to the wheel exchange control code. When this is detected, the operation of the printer is stopped and the type of wheel to be replaced is displayed on the display.

Embodiments In order of explanation, a conventional word processor device will first be briefly outlined, and then this explanation will be explained in detail.

FIG. 1 is a block diagram showing an example of the basic configuration of a conventional word processor device. In the drawings, 1 is a keyboard, 2 is a data buffer, 3 is a one-line display, 4 is a daisy wheel printer, and 5 is an external storage device.

The keyboard 1 is a key input means for inputting data or control commands. The data buffer 2 is a memory that stores data from the keyboard 1 or data read from the external storage device 5.

1 line display 3 is data buffer 2
The contents of the data buffer 2 are displayed line by line, and the daisy wheel printer 4 displays the contents of the data buffer 2 line by line.
Print out line by line.

Further, the external storage device 5 is, for example, a floppy disk device, and is used to store the contents of the data buffer 2.

During input operations, code data such as alphanumeric characters and numbers entered from keyboard 1 is
Through the data buffer 2, the signals are displayed one after another on the cursor indicating the input position on the display screen of the one-line display 3.

Then, once you have finished inputting one row of data,
Just before data buffer 2 overflows,
The contents are transferred to the external storage device 5. Note that the contents of the data buffer 2 are output to the printer 4,
It is also possible to print.

To add, delete, or modify input data, operate the cursor control keys provided on the keyboard 1 to move the cursor to the desired position, and then change the contents.

FIG. 2 is a functional block diagram showing an example of a control circuit around a data buffer provided in the word processor of the present invention. The symbols in the drawings are the same as in FIG. 1, and the data buffer 2 is a
6 is an input code determination circuit, 7 is a print buffer, 8 is a print output control circuit, and 9 is a print buffer area in which printer control information is stored. On the table, is for standard wheels, is for science and technology, 1
0 is a data buffer control circuit, 11 is a display buffer, 12 is a message table, 13 is a character pattern memory, and is for standard wheels.
is for science and technology, 14 is a latch decoder for wheel exchange information, G1 to G4 are AND gate circuits,
G5 and G6 indicate OR gate circuits, Date is text data, WE1 and WE2 are wheel exchange control codes given from key input means by selection operation of wheel exchange key K or K, respectively, and SA and SB are wheel exchange control codes. A gate switching signal is output from the wheel exchange information latch decoder 14 in response to the control code WE1 or WE2, SC is a detection signal generated when the cursor matches the wheel exchange control code, and SG5 is the output of the OR gate circuit G5. Show signal.

The circuit shown in FIG. 2 is a circuit for using two types of wheels: standard wheels and scientific wheels.

The difference between the circuit shown in Figure 2 and the conventional circuit is that
These are the following seven points (1) to (7).

(1) For example, use the wheel exchange key KI to select the standard wheel on the keyboard 1 in Figure 1.
By adding the wheel exchange key K for selecting and instructing the wheel for science and technology, the wheel exchange control code WE1 or WE corresponding to these wheel exchange keys K and K is added.
2 is input, the input code determination circuit 6
be output as a control code.

(2) Holds wheel replacement information and generates a gate switching signal SA or SB corresponding to its type.
A latch decoder 14 for wheel change information is provided.

(3) The print table 9 is provided with a table compatible with standard wheels and a table compatible with science and technology wheels.

(4) The character pattern memory 13 is provided with a memory area for storing character pattern information for standard wheels and a memory area for storing character pattern information for science and technology.

(5) The print table 9 is provided with AND gate circuits G1 and G2 for switching between the tables.

(6) The character pattern memory 13 is provided with AND gate circuits G3 and G4 for switching between memory areas.

(7) Messages instructing wheel replacement and its type are stored in the message table 12.

The above seven points will be explained in detail later. The other circuits are similar to the control circuit of a conventional word processor.

A brief outline of the parts common to the circuits of conventional word processing devices will be explained.

The input code determination circuit 6 determines whether key input is text data or function data.

The data buffer 2 is divided into a first buffer area a and a second buffer area b shown by diagonal lines. In the first buffer area a, the display 3
The data before the cursor displayed on the screen is stored, and the data after the cursor is stored in the second buffer area b.

One line of data is set in the print buffer 7 when one line of data is transferred to the first buffer area a of the data buffer 2, that is, when the cursor on the screen of the display 3 detects a line change code. be done.

The print output control circuit 8 processes the contents of the print buffer 7 and outputs it to the printer.

The print table 9 stores various types of table information, and as described above, there are tables corresponding to standard wheels and tables corresponding to scientific and technical wheels.

In the printer of the word processing device,
Unlike a normal printer that simply prints the contents of the print buffer 7 at a fixed pitch, it is possible to print with variable character spacing (proportional printing).
Fine-grained control is required, such as adjusting the spacing between words to align the end of a sentence, and controlling the printing pressure of individual characters. Therefore, a table of movement amounts, a table of printing pressure, etc. corresponding to each character code is required. These tables are unique depending on the font of the daisy wheel or wheels with different character types. These table information groups are stored in the print table 9 and are referenced in correspondence with the code of the print buffer 7.

The data buffer control circuit 10 sets the contents set in the data buffer 2 into the display buffer 11 line by line.

Conditions for transferring data to the display buffer 11 include when a character key is input, when a cursor control key is pressed, or when a message is displayed as operation guidance.

The message table 12 stores various messages for operation guidance.

In the character pattern memory 13, the display 3
Information about the character pattern to be displayed is stored, and in the case of this figure 2, as already explained,
Pattern information corresponding to the standard wheel is stored in the memory area, and pattern information corresponding to the scientific and technological wheel is stored in the memory area.

Next, parts added to the word processor device of the present invention will be explained. Of the above (1) to (7), the wheel exchange key (1), the print table 9 (3), and The character pattern memory 13 (4) has already been explained.

Therefore, here, the latch decoder 14 for wheel exchange information (2), the switching gate circuits G1 to G4 (5) and (6), and the message table 1 (7) will be explained.
2 will be explained in order.

First, the latch/decoder 14 for wheel exchange information (2) is composed of a register that latches wheel exchange information and a decoder that decodes the exchange information.

This latch decoder 14 for wheel replacement information
In this case, the wheel exchange control code WE1 or WE2 generated in response to the selection operation of the wheel exchange key K or K on the keyboard is passed through the input code determination circuit 6 and the OR gate circuit G5 to the output signal SG5 of the OR gate circuit G5. is entered as .

Therefore, corresponding to the wheel change control code WE1, the gate switching signal SA and the control code
A switching signal SB is output corresponding to WE2. In this case, the wheel change control code
Corresponding to WE1, the gate switching signal SA becomes logic "1", the SB becomes logic "0", and the control code WE2
Correspondingly, the gate switching signal SA becomes logic “0”,
SB is output so that it becomes logic "1".

These gate switching signals SA and SB are
It is applied to the AND gate circuits G1 to G4 explained in (5) and (6).

Therefore, when the wheel exchange key K specifying the standard wheel is selected, the wheel exchange control code WE1 is generated and the gate switching signal is
When SA becomes logic “1”, AND gate circuit G
Gates 1 and G3 are opened.

In the print table 9, the content of the table corresponding to the standard wheel is validated by the AND gate circuit G1, and similarly, the character pattern memory 13 is also validated by the AND gate circuit G3 to provide pattern information corresponding to the standard wheel. The contents of the memory area where is stored are considered valid.

Furthermore, when the wheel exchange key K specifying the science and technology wheel is selected, a wheel exchange control code WE2 is generated, and a gate switching signal is generated.
SB becomes logic “1” and AND gate circuit G
Gates 2 and G4 are opened.

In this case, the contents of the print table 9 corresponding to the science and technology wheel are made valid by the AND gate circuit G2, and at the same time,
The character pattern memory 13 is also an AND gate circuit G.
4, the contents of the memory area in which pattern information corresponding to the science and technology wheel is stored are validated.

Finally, the message table 12 in (7) contains a message instructing wheel replacement and its type, such as "WHEEL CHANGE: STANDARD" to instruct a standard wheel, and a message to instruct a scientific wheel. Therefore, data such as “WHEEL CHANGE: SCIENTIFIC” is stored.

The data in this message table 12 is based on the wheel exchange control code WE1 or WE2 input by operating the wheel exchange key K or K.
Output signal SG5 given to OR gate circuit G5
When the signal is generated, the data buffer control circuit 10 is switched and the signal is output to the display buffer 11. Also, when creating the final document,
Cursor and wheel exchange control code WE1 or
The match detection signal SC generated when matching with WE2 is output to the display buffer 11.

Next, the operation of the word processor according to the present invention when changing the wheel will be explained.

First, if the user wishes to use a standard wheel, the wheel exchange key K on the keyboard 1 is selected.

When wheel exchange key K is selected,
The wheel exchange control code WE1 is outputted from the input code determination circuit 6, stored in the first buffer area a of the data buffer memory 2 from the OR gate circuit G6, and outputted from the OR gate circuit G5 as an output signal SG5 by the latch for wheel exchange information. The gate switching signal SA is input to the decoder 14, and is output as a logic "1", and is applied to the AND gate circuits G1 and G3. As a result, in the print table 9 and the character pattern memory 13, the table corresponding to the standard wheel and the pattern information in the memory area are made valid, respectively.

At the same time, the output signal of this OR gate circuit G5
SG5 is input to the data buffer control circuit 10 as a wheel replacement request signal.

Therefore, the contents of the display buffer 11 are transferred from the data buffer 2 to the message table 1.
2, and a message corresponding to the wheel exchange control code WE1 indicating the standard wheel is output. That is, the one-line display 3 indicates the standard wheel.

“WHEEL CHANGE：STANDARD” message is displayed.

Generally, the standard wheel is used extremely frequently, so when starting text creation on the word processor device, the wheel exchange control code WE1 is automatically generated and initialized using the wheel exchange key K. It's okay.

The operator replaces the wheel according to the display on the one-line display 3 if the standard wheel is not attached, and operates the reset key on the keyboard. By operating this reset key,
The message on the one-line display 3 is canceled and the contents of the data buffer 2 are displayed.

Then, start creating the text.

When the key input is text data Data, the data is sequentially input from the OR gate circuit G6 to the data buffer 2.

The input data is printed out by the printer 4 and transferred to the external storage device 5 each time one line of input is completed.

Therefore, the wheel exchange control code WE1 is input at the beginning of the file stored in the external storage device 5, and text data is arranged after that.

Suppose that while you are creating text using such a standard wheel, you need scientific and technical symbols.

When the wheel exchange key K on the keyboard 1 is pressed, the input code determination circuit 6 determines that the input code is the wheel exchange key K code.

The code of this wheel exchange key K is stored in the first buffer area a of the data buffer 2 as a wheel exchange control code WE2, and is also input to the wheel exchange information latch decoder 14 via the OR gate circuit G5 through its output SG5. Ru. Therefore, the gate switching signal SB becomes "1" and SA becomes "0".

As a result, in the print table 9, the contents of the science and technology table are valid, and in the character pattern memory 13, the contents of the science and technology memory area are valid.

At the same time, the output SG5 of the OR gate circuit G5 is
It is input to the data buffer control circuit 10 as a wheel replacement standard signal, and is sent to the display buffer 11.
is the data buffer 2 that had been set up until then.
The contents of the message table 12 are changed to the contents of the message table 12.

That is, the display on the display 3 is changed from the text to a message instructing wheel replacement and its type, such as "WHEEL CHANGE: SCIENTIFIC."

The operator replaces the wheel according to the display, cancels the display of the previous message by operating the reset key, and returns to the text.

In this case, if the wheel is replaced in the middle of a line of text, the character before the cursor will also be displayed in the changed character pattern.

For subsequent data input display and printer printing, the character pattern memory 13 uses a memory area in which scientific and technological pattern information is stored, and the print table 9 uses a table in which scientific and technological control information is stored. are used respectively.

To return to the standard wheel again, press the wheel exchange key K.

For subsequent operations, first use the wheel exchange key K.
It is the same as when is pressed. That is, the wheel exchange control code WE1 is stored in the data buffer 2, and the switching signal SA is output as "1" from the wheel exchange information latch decoder 14.
The information in the print table 9 and the memory area of the character pattern memory 13 are respectively validated, and a message such as "WHEEL CHANGE: STANDARD" is displayed on the display 3.

The file created by such an operation is sequentially stored line by line in the external storage device 5 shown in FIG. 1, as in the case of a conventional word processor.

When creating a final document from a completed file, data is transferred line by line from the external storage device 5 to the print buffer 7 via the data buffer 2.

The data transferred to the print buffer 7 is output to the printer 4 through the print output control information 8. In this way, a so-called playback operation is performed.

In this case, the state that is first set in the data buffer 2 from the external storage device 5 is the second buffer area b, and nothing is set in the first buffer area a. In other words, the cursor is at the beginning of the file.

When outputting to the printer 4, the data is transferred from the second buffer area b to the first buffer area a by continuous movement of the cursor.

When data is transferred from the second buffer area b to the first buffer area a in this data buffer 2, when the wheel exchange control code WE1 or WE2 inputted during the previous text creation is detected,
Data buffer control circuit 10 generates a detection signal SC.

The detection signal SC generated when the cursor matches the wheel exchange control code has the same function as when the wheel exchange key K or K is selectively operated. That is, the output signal SG5 from the OR gate circuit G5 operates the wheel replacement information latch decoder 14 to generate the gate switching signal SA or SB, and is inputted to the data buffer control circuit 10 as a wheel replacement request signal. The message table 12 is controlled so that a message instructing the replacement of the wheel and its type is displayed on the display 3. In addition,
This detection signal SC is simultaneously applied from the data buffer control circuit 10 to a printer control section (not shown), and acts to immediately stop the operation of the printer.

When creating the text data described above, if the wheel exchange control code WE1 indicating the standard wheel is input before inputting the text data Data, the detection signal SC causes the latch decoder for wheel exchange information to be input. The gate switching signal SA is generated at "1" from 14, the contents of the table storing the control information corresponding to the standard wheel are valid in the print table 9, and the contents of the table storing the control information corresponding to the standard wheel are valid in the character pattern memory 13. The memory area in which information is stored is considered valid. At the same time, the contents of the message table 12 are output to the display buffer 11, and the display 3 displays "WHEEL CHANGE: STANDARD".

The operator checks the type of wheel according to this display, and if the standard wheel is not installed, replaces it. Then, by operating the reset key, the message on the display 3 is canceled and the print operation is started.

During print operation, wheel exchange control code WE
2 is detected, the wheel change information latch is activated.
The decoder 14 sets the gate switching signal SB to "1" and sets the previous switching signal SA to "0".

Therefore, in the print table 9 and the character pattern memory 13, the contents of the table storing science and technology control information and the memory area storing pattern information, respectively, are valid.

At the same time, data instructing the replacement of the science and technology wheel is output from the message table 12, and a message such as "WHEEL CHANGE: SCIENTIFIC" is displayed on the display 3.

The operator replaces the wheel with a scientific wheel, operates the reset key, cancels the message on the display 3, and restarts the printing operation.

As described above, according to the word processing device of the present invention, it is possible to use a plurality of wheels when creating the same file, and the types of characters to be processed, including changing the font, can be easily expanded. .

What's more, the display shows which type of wheel to use when printing the final document from the created file, allowing operators other than the file creator to quickly and accurately change wheels. can do.

In the above embodiments, two types of wheels, a standard wheel and a scientific wheel, are used. However, the types of wheels are not necessarily limited to two types, and the present invention can be similarly implemented even in the case of three or more types.

In this case, the wheel exchange key, the print table 9, the character pattern memory 13, the gate circuits G1 to G4, the gate switching signal output from the wheel exchange information latch/decoder 14, and the message stored in the message table 12 are The number of types, etc. will be increased corresponding to the type.

Further, although the description has been given mainly for an English word processor, the same applies to a word processor using a printer having a daisy wheel for Japanese kana or kanji characters.

Furthermore, although the word processing device shown in FIG. 1 uses a one-line display,
It may also use a CRT or other display device,
Furthermore, the daisy wheel may be of a type in which letters are arranged around one circumference, or may be of a type in which letters are arranged in two circumferential turns and involves an upward and downward shifting operation. That is, the present invention can be applied to at least all word processors equipped with printers using daisy wheels that were known before the filing of this invention.

As described above in detail, the word processor device of the present invention has a plurality of wheel exchange keys K to 1 for indicating the types of various replaceable wheels to a key input means such as the keyboard 1 of FIG.
K, etc. are added, and the wheel exchange information input from the added wheel exchange keys K to K is held, and the switching signals SA to SB corresponding to the types are generated. A latch decoding means such as a latch decoder 14 is provided, and a table such as a print table 9 containing printer control information and a pattern memory such as a character pattern memory 13 containing character pattern information are provided. Gate switching means such as gate circuits G1 to G4 are provided to store control information and character pattern information corresponding to each wheel, and to select information in the print table and pattern memory corresponding to each type of wheel. A message table 12 having messages indicating the type is provided.

When a wheel needs to be replaced when creating a file, the user can select and operate multiple wheel replacement keys K to K, etc. attached to the key input means to correspond to the selected wheel type. Wheel exchange control code WE1 to WE
2 etc. is generated and stored in the data buffer memory, and wheel exchange control codes WE1 to WE are generated.
2nd class exchange information is wheel exchange information latch.
By supplying the information to the decoding means, the switching means for selecting information in the print table and pattern memory is operated, and control information and character pattern information corresponding to the selected wheel type are validated; At the same time, messages instructing wheel replacement and its type stored in the message table are displayed on the display, allowing the operator to quickly and accurately replace the wheel with the one he or she desires.

Also, when printing with a printer to create a final document from the created file, the cursor will move to the wheel exchange control code WE1~
When a wheel such as WE2 is encountered, the printer stops operating and controls the display to display the type of wheel that should be replaced.

Effects of the Invention Therefore, according to this invention, in the process of document creation, not only basic characters but also other special characters such as those for scientific calculations can be easily used as needed, and it is possible to easily use characters for scientific calculation and other special characters as needed. In addition to being able to process with various extended characters, the type of wheel that should be replaced is also displayed on the display, making it easy to store the wheel.

In addition, when creating the final document, not only does the printer stop when the wheel is replaced, but the type of wheel used when creating the file is displayed on the display, so it is possible to change the creator or change the number of days after creation. Many excellent effects can be obtained, such as being able to quickly and accurately replace the wheel even if the wheel has been used for a long time.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an example of the basic configuration of a conventional word processor, and FIG. 2 is a functional block diagram showing an example of a control circuit around a data buffer provided in the word processor of the present invention. In the drawing, 1 is a keyboard, 2 is a data buffer, 3 is a one-line display, 4 is a daisy wheel printer, 5 is an external storage device, 6 is an input code determination circuit, 7 is a print buffer, 8 is a print output control circuit, 9 is the print table, is for standard wheels, is for science and technology, 10
1 is a data buffer control circuit, 11 is a display buffer, 12 is a message table, 13 is a character pattern memory, 1 is for standard wheels, 1 is for science and technology, and 14 is a latch decoder for wheel exchange information.

Claims (1)

[Scope of Claims] 1. An input means, a data buffer memory, a pattern memory having character pattern information, a display for displaying the contents of the data buffer memory, and a printer replaceable with a plurality of types of wheels; In a word processor device comprising a control information table for the printer, a data memory for storing input data, and a control section for controlling these, the pattern memory is provided with a pattern memory corresponding to each of the plurality of types of wheels. a memory area provided in the control information table corresponding to each of the plurality of types of wheels, and a wheel exchange control that generates an exchange control code corresponding to the type of wheel provided in the input means. code generation means; and wheel exchange control code transfer means for transmitting a wheel exchange control code outputted from the wheel exchange control code generation means to the data memory, the wheel exchange control code transfer means transmitting the wheel exchange control code from the wheel exchange control code generation means when creating a document. A wheel exchange control code corresponding to the type of wheel exchange control code is input together with data and stored in the data memory, and when outputting from the data memory to the printer, the wheel exchange control code stored in the data memory is used to control the wheel exchange. The type of wheel is detected, pattern information and control information are read from the memory area corresponding to the type of wheel in the pattern memory and control information table, and a printing operation is performed, and the type of wheel is changed according to the wheel exchange control code. 2. A word processor device, characterized in that when detecting this, the operation of the printer is stopped and the type of wheel to be replaced is displayed on the display.