JPS63284657A - Character processor - Google Patents

Abstract

PURPOSE:To realize the display of an under-communication state with no addition of hardware by changing the mode of the characters displayed at a character display part during communication. CONSTITUTION:A character processor contains a data communication means A and performs the communication of data to other character processors. When a communication interruption is applied, a data communication means A gives a command to a font changing means B to change the mode of the characters displayed at a character display part and carries out the data communication processing. When this communication processing is through, the means A gives a command again to the means B to change the mode of said displayed characters to the original mode.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a character processing device having a communication function.

[Prior Art] Generally, a character processing device is composed of a keyboard section 5 display section, an output section, a storage section, and a control section, and is used to input and edit characters from a keyboard, and then print them.

[Problem to be solved by the invention] When a conventionally known device of this type is provided with a communication function, in order to display that communication is in progress,
Adding new display areas or adding display hardware such as LEDs is being done.

For this reason, conventional character processing devices had the drawback of being forced to change the hardware, and also requiring the creation of new software to accommodate the changes.

Therefore, an object of the present invention is to provide a character processing device that enables display during communication by simply adding and changing software without adding new hardware, in view of the above-mentioned conventional example. .

Means for Solving Problem E] In the present invention, in a character processing device having a communication function,
The apparatus includes a font changing means for changing the appearance of displayed characters, and energizes the font changing means to change the displayed font during data communication, thereby visually indicating that communication is in progress.

[Function] The character processing device according to the present invention changes the aspect of displayed characters, that is, the font or size, in order to inform the operator that data is being communicated.

[Example] Hereinafter, the present invention will be described in detail based on Examples.

FIG. 1 is an overall configuration diagram of a character processing device according to the present invention. This device is a character processing device having three data communication means A, and includes a font change means B for changing the appearance of displayed characters, and energizes the font change means B to change the displayed font during data communication. By changing
This is a visual indication that communication is in progress.

FIG. 2 is an external perspective view of an electronic typewriter with a communication function to which the present invention is applied. In this figure, a platen knob 1 is used when manually loading paper or finely adjusting the printing position in the vertical direction. This platen knob 1
When pushed inward, the connection with the internal drive pulse motor is released, allowing manual rotation of the knob 1.

The vapor support 2 is a paper guide plate, and is provided so that even when using thin paper, the printing surface faces the operator.

The page end indicator 3 is a measuring stick that indicates the length up to the end line of the paper, and the operator adjusts the indicator 3 vertically as shown by the arrow in advance according to the vertical length of the paper. ) When the top edge of the paper that comes out after passing through the line reaches the scale position of the indicator 3, you can know the length to the end line of the paper.

The release lever 4 is used to release a pinch roller (not shown) located at the bottom of the platen from the platen and manually correct the inclination of the sheet.

The soundproof cover 5 is provided to suppress the impact sound of impact printing, and is made of transparent acrylic, so that printed characters can be seen through the soundproof cover 5. When changing the printing font or replacing the ribbon cassette, open the upper cover 6 by rotating it backwards and remove the carriage part (not shown).
Replace the type wheel loaded in the printer or replace the ribbon cassette.

This electronic typewriter has a printing pitch of 10, 12, or 15 characters per inch in the direction of the paper, or a proportional spacing (hereinafter referred to as Ps) in which the printing pitch changes depending on the size of the type. . With this PS, it is possible to select from six types: 10 characters per inch, 12 characters, and 15 characters per inch.

Each of the three scales 7 has three types of graduations carved at lO character pitches.

The carriage indicator 8 is composed of three LEDs. The LED is mounted on the carriage and corresponds to the pitch designated from the keyboard IO], and the carriage position is indicated on the scale 7 by lighting the LED.

The display unit 9 is used to display manual data and a cursor.
It consists of a fluorescent display tube that can display 0-digit characters.

The keyboard 10 includes a group of character keys 10a for inputting and printing characters, and selector switches arranged on both sides of the character keys 10a.
Consists of function key job, 10c.

Cable 11 is connected to a communication network.

FIG. 3 is a block diagram showing the electrical configuration of the embodiment shown in FIG. 2. In this figure, 14 is a central processing unit (CP port), which controls and monitors the entire wood electronic typewriter.

15 is a random access memory (RAM), and CP
It acts as an execution area and a work area for control by U14.

16 has read-only memory (ROM), [:
Control program to be executed by PU14 (shown in Figure 7)
This is a storage area for characters, fonts, etc.

9 is the display unit (OU) shown in FIG.
command, the display data (including the cursor) stored in RAM15 is transferred to the display driver unit (D[1U
)20.

10 is a keyboard (KB) shown in FIG. 2, which transmits key manual data to the CPt 114 via a keyboard controller (MBC) 19.

A printer unit (PR) 17 performs carriage position control, hammer control 1 paper feed control, digiwheel control, etc. via a printer controller (PRC) 18.

A character generator (CG) 21 generates a dot pattern of characters to be displayed on the display device (DUI).

22 is a timer (TMR) for measuring time, and the CPU 14
When the time set by the command has elapsed, etc.
Various interrupts are applied to 14.

23 is a communication control unit (SRO), which functions as a human output interface with a communication line.

24 is a system hub of the CPU 14.

FIG. 4 is a diagram showing area allocation of RAM 15 shown in FIG. 3. This RAM 15 includes a document memory (DOG-MEM) 30 used for document editing and type processing.
, a correspondence buffer (COM, . . . ) that stores correspondence documents.
-BUF) 31, a communication management log memory (COM-LOG) 32 that stores information for communication management, a communication flag (COMJ) that indicates whether communication transmission processing is in progress;
) 33 and a font type register (CG-R) 34 for specifying the font type (font style, size) of characters displayed on the display device (Dll) 9.

FIG. 5 is a diagram showing the area allocation of the ROM 16 shown in FIG. 3, which consists of a program area (40) for document editing and type processing, two communication interrupt processing program areas (41).

Next, the operation of this embodiment constructed as described above will be explained with reference to FIGS. 6 and 7.

Note that in the following description, the details of normal document editing/type processing operations will be omitted here since they are well known. Furthermore, since the transmission procedures such as the communication protocol in communication interrupt processing are well known, their explanation will be omitted, and only the internal processing according to the present invention that occurs at the time of the third interrupt will be explained. Furthermore, since the details of the circuit such as the display are well known, their explanation will be omitted. However, the instruction to change the display character/font is given by setting the relevant type number in the font type register CG-H.

FIGS. 6(A) to 6(D) show the display device (D
I) It is a figure showing the display state of 9. In FIG. 5A, normal document editing and typing processing is being performed, and font type 1 (Gothic) is used for display at this time. FIG. 2B shows a state in which communication has started, and the display font is changed to type 2 (Fourier font). (C) of the same figure shows a state in which rLMNOP J is manually operated during communication. In (D) of the same figure, the communication has ended, and the normal display is made using font type 1 (Gothic) as in (8) of the same figure.

FIG. 7 is a flowchart showing the Sugegi communication interrupt processing program executed by the CPt 114.

First, in step S1, the communication flag GOLF is set to °°
Determine whether it is on. As a result, flag C
If the OM-F is "on", it means that the communication state is already in progress, so the process directly advances to step S5 and data transmission processing is performed.If the flag COMJ is "°ob" in step Sl, the communication start state is established. Therefore, the process moves to step S2 and the flag COMJ is set to "on".

In the next step S3, the display font is set to type 2.
font type register CG,
- Set "2" to R. This causes the character generator (CG) to specify font type 2.
A dot pattern corresponding to the dot pattern is generated.

In step S4, all the displayed characters are redisplayed in font type 2 (see Figure 6 CB and (C)).

In step S6, it is determined whether data transmission has ended. The determination varies depending on the data transmission protocol. For example, in the case of a RASIC procedure, the end is determined by receiving an EOT code (end of transmission). If it is determined in step S6 that the process has ended, the process moves to step S7, and if not, the interrupt process ends.

In step S7, in order to return the display font to type 1, the font type register CG, -R is set to °1''.
Set. As a result, a dot pattern corresponding to font type 1 is generated from the character generator (CG).

In step S8, the displayed characters are changed to font type 1.
(See Figure 6(D)).

In the next step S9, the communication flag COMJ is set to °
゛ob°set and finish interrupt processing.

Next, some modifications and additional uses of the above embodiment will be described.

In the embodiments described so far, an electronic typewriter with a one-line display has been described, as shown in FIG. 6, but the invention can also be applied to devices with a display of more than one line. It is clear that

In addition, in the above embodiment, the font is changed only during communication, or whether the received document or the communication buffer CO
If it is in MjlUF, communication management log/memory COM
-LOG may be referred to to change phono 1~. In that case, it would be a good idea to return the cursor to normal blinking after printing the received document.

Although the above-mentioned embodiments described so far have been configured without an external storage device, it is clear that the present invention can also be used in an apparatus equipped with an external storage device such as a floppy disk.

[Effects of the Invention] As explained above, the present invention makes it possible to avoid the need to modify the document editing/type processing software by slightly modifying the communication interrupt processing program, etc.
This can be visually displayed.

Furthermore, according to the present invention, it is possible to visually display that "communication is in progress" without the need to add special hardware such as an LE port.

[Brief explanation of drawings]

FIG. 1 is an overall configuration diagram of a character processing device according to the present invention, FIG. 2 is an external perspective view of an electronic typewriter with communication function that is an embodiment of the present invention, and FIG. 3 is a system configuration diagram of the present embodiment. A block diagram for explaining the operation; FIG. 4 is a diagram showing an example of how the RAM shown in FIG. 3 is used; FIG. 5 is a diagram showing an example of how the ROM shown in FIG. 3 is used; CD ) FIGS. 6(A) to 6(A) are diagrams showing the display mode of the display device in this embodiment, and FIG. 7 is a flowchart showing the communication interrupt processing procedure of the CPU in this embodiment. 9...Display unit (Du), IO...Keyboard (KB), 11...Communication cable, 14...cpu. 15...RAM. 16-...ROM. 20... Display driver unit (oou), 21...
-Character generator (CG), 23...communication control unit. RAM +5 Figure 4: 3 Figure OM 16 Figure 5 U9 DU9 Figure 6

Claims (1)

[Scope of Claims] A character processing device having a communication function, comprising a font changing means for changing the appearance of displayed characters, and changing the displayed font by energizing the font changing means during data communication. , a character processing device characterized by visually displaying that communication is in progress.