JPS58127229A - Communication terminal device - Google Patents

Abstract

PURPOSE:To provide a document editing function and a communication function, by constituting a titled device with a keyboard, a character display, a thermal printer, an external storage section, a communication control section and a system control section. CONSTITUTION:Character information, form information, control information and character information converting command information are inputted by operating various keys on the keybaord 1. The character display 2 inputs various informations from the keyboard 1, the external storage section 5, the communication control section 7 and the system control section 9, and displays the converting character information. The thermal printer 3 inputs information displayed on the display 2 and the information stored in the external storage section 5 and records the document information on a recording paper. The external storage section 5 inputs and stores the information stored on the display 2, the recevied document information and the control information of the control section 7. The control section 7 transmits the transmitted document information stored in the storage section 5 to a communication line and receives the document information from the communication line. The system control section 9 controls the entire system.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a communication terminal device having a document editing function and a communication function.

In recent years, in order to meet the demands of offices, etc., advanced communication 4G functions have been added to word processors with document editing functions, or equivalent to adding document editing functions and communication processing functions to Telex (subscription telephone). communication terminal equipment,
For example, document creation terminal devices capable of international communication, such as communication word processors, have been developed.

Communication terminal devices with such document editing and communication functions have high operability and high reliability.

High speed and versatility are required.

This invention has been made in view of the above points, and provides a communication terminal device having a document editing function and a communication function that satisfies the requirements for high operability, high reliability, high speed, and versatility. .

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view showing the appearance of a document creation terminal device capable of international communication, which is a communication terminal device having a document editing function and a communication function according to the present invention.

This communication terminal device includes a keyboard 1, a character display 2, and a thermal printer 6.
The main body 4 includes an external storage section 2, a communication control section, and a system control section, and a DCE (not shown).

In addition, keyboard 1. The character display 2 and the thermal printer 6 are separately movably connected to the main body 4 by curl cords (not shown) or the like.

FIGS. 2 and 3 are block diagrams showing the hardware and software configurations of this communication terminal device.

In FIG. 2, this communication terminal device includes a keyboard 1 consisting of a keyboard unit 11 and a keyboard control section 13, and a character display 2 consisting of a CRT display 21 and a CRT control section 23 that controls display operations of the CRT display 21. , thermal recording section 3
1 and a printer control unit 33 that controls the thermal recording unit 31; a color thermal printer 3; and two floppy disk drives (hereinafter referred to as rFDDJ) 51°52.
and an FDD control unit 56 that controls the FDDs 51 and 52.
The communication control section 7 includes an external storage section 5, a communication control section 7, a line termination equipment (DCE) 8, and a system control section 9.

Note that the FDD control section 53 of the external storage section 5 is configured by the system control section 9.

An overview of the functions of these parts will be described with reference to FIG.

(B) Keyboard 1 By operating the various keys arranged on the keyboard unit 11, character information such as alphanumeric characters necessary for document creation, format information and control information necessary for system control, and characters input using the keys can be obtained. Character information conversion command information that instructs conversion of information into predetermined character information is input to the keyboard control unit 16.

Based on the input results of character information, format information, control information, and character information conversion command information from the keyboard unit 11, the keyboard control unit 13 converts the input information as it is or converts the character information into converted character information. It is output to the system control unit 9 via the interface.

The control necessary for this keyboard 1 is the keyboard control section 1.
3 and the operating system stored in the system control unit 9 (hereinafter referred to as “
(referred to as "OS").

(b) Character display 2 The CRT control cover 23 is connected to the keyboard 1. Character information, format information, and control information necessary for document creation and display control from the external storage unit 51 communication control unit 7 and system control unit 9 via an interface, and conversion of input character information into predetermined character information. Enter the character information conversion command information to command.

Based on the input results of these character information, format information, control information, and character information conversion command information, the input character information or converted character information obtained by converting the character information is converted into C
Display the table 71 on the RT display 21.

The control necessary for this character display 2 is
This is performed based on the CRT control zoogram stored in the control section 26, the O8 stored in the system control section 9, and the display output program.

(c) Thermal printer The printer control unit 36 controls the information on the created document displayed on the character display 2 (hereinafter referred to as “created document information”), the created document information stored in the 70 disk of the external storage unit 5, and Document information received by the communication control unit 7 (hereinafter referred to as "received document information"), format information and control information necessary for recording control are input via an interface.

Then, the generated document information or the received document information is recorded on the thermal recording paper by controlling the thermal recording section 61, which is composed of a unit or the like that performs thermal recording on the thermal recording paper.

Necessary control of the thermal printer 3 is performed based on the printer control program stored in the printer control section 63 and the O8 and printer output program stored in the system control section 9.

b) External storage unit 5 The FDD control unit 56 inputs the created document information displayed on the character display 2, the received document information of the communication control unit 7, and control information necessary for storage control via an interface.

Then, the input created document information and received document information are converted into a format suitable for storage and stored on a floppy disk loaded in the FDD 51.52.

Necessary control of the external storage unit 5 is performed based on the FDD control program stored in the FDD control unit 56 and the O8 and file maintenance program stored in the system control unit 9.

Note that the floppy disk of the external storage section 5 also stores programs necessary for system control such as O8 to be stored in the system control section 9 as needed.

(e) Communication control unit (CCU) 7 The communication control unit 7 collects the information on the transmitted document (hereinafter referred to as “f-document information”) stored in the 70-tube disk of the external storage unit 5 and the information necessary for transmission control. This transmitted document information is temporarily stored in the storage means, and then transmitted through the communication line (
(circuit-switched network).

The transmission control of this transmission document information is carried out by the CCU control program stored in the communication control section 7 and the system control section 9.
This is done based on the O8 and CCU message sending program stored in the .

Further, the document information is received via the communication line, the line termination equipment (DCE) 8, and the line interface, the received document information is temporarily stored in the storage means, and the received information indicating that is outputted, and the received document information is System control unit 9 for information
0 command, it is output to the character display 2, thermal printer 3, or external storage section 5, or continues to be held in the storage means.

The reception control of this document information is performed using the C
This is performed based on the CU control program and the O8 and CCU message receiving program stored in the system control unit 9.

fx, the CCU control program, the CCU message sending program, and the CCU message receiving program have a program structure that can be processed simultaneously with other programs such as a word processing program, and are executed at O8 of the system control unit 9.
The concurrent processing of programs is managed by the task execution management function of , and the transmission and reception of document information can be performed independently of local operations such as document creation by an operator.

Further, the circuit termination equipment (DCE) 8 performs interface control between the communication control section 7 of the communication terminal device and the circuit switching network, and in this embodiment, the circuit termination equipment (DCE) 8 controls the interface between the communication control unit 7 of the communication terminal device and the circuit switching network. A terminating device (DSC) is used, and its configuration 1 functions etc. comply with the CCITT recommendations.

(to) System control unit (SCU) 9 Character information from keyboard 1, converted character information.

The format information, control information, and information received from the communication control section 7 are input, and the character display 2. Thermal puri/ri3. The entire system, including the external storage unit 52 and communication control unit 7, is managed by task execution management, file management, and input/output devices (ILO
), whose main function is control based on O8' and other programs.

The main controls in this system control section 9 will be described below.

(1) Sending information necessary for document creation to character display 2 and thermal printer 6 for creating document information
Control over document creation and editing, such as sending to.

(2) Sending created document information to the communication control unit 7 and character display of received document information 2. Control regarding communication functions such as sending to the thermal printer 6 and external storage unit 5.

(3) Control regarding file maintenance functions such as sending created document information and received document information to the external storage section 5 and reading created document information and received document information from the external storage section 5.

(4) Control regarding diagnostic functions such as diagnosis of the entire system and each part of the system and transmission of diagnosis results to the character display 2 or thermal printer 3.

The functions of each program of this system control section 9 are as follows.

(a) O8: Mainly task execution management, file management, and Ilo control.

(b) File maintenance program: Mainly input/output of stored information to the external storage unit 5, conversion of stored information into a file, and file management.

(C) Word processing programs: creating and editing documents.

(d) Display output program Converts the information entered by two people into a format suitable for display, and outputs the information necessary for display to the character display 2.

(e) Printer output program Converts the information entered by two people into a format suitable for recording and outputs the information necessary for recording to the thermal printer 3.

(f) CCU message sending program: Sends sending document information to the communication control unit 7.

(g) CCU message receiving program: Sends received document information to the thermal printer 6 or external storage unit 5.

(h) Self-diagnosis program: Diagnosis of the entire system and each part.

(i) It also has other programs that set the initial state of the system.

Each program of the system control section 9 is stored in the ROM of the system control section 9 itself or on a floppy disk of the external storage section 5, depending on the configuration of the system.

Note that the control programs O8, the file maintenance program, and the word processing program are constituted by general-purpose software.

In this example, O8 and file maintenance programs are provided by Digital Research.
MP/M (Multi-Flow Cramming Monitor Control Programming) developed by Re5each)
and word processing programs from MicroPro International Corporation.
It is configured using WordStar, developed by Microsoft Corporation, so detailed explanations can be found in the MP/M user's manual and WordStar published by both companies.
r) Leave it to the explanation in the user's manual.

Next, details of each part of this communication terminal device will be explained with reference to FIG. 4 and subsequent figures.

(A) Keyboard 1 FIG. 4 is a layout diagram showing the layout of various keys of the keyboard unit 11 for writing.

The main key instruction functions in the figure are as follows.

(a) Keys related to character (graphic character) information and character information conversion command information Graphic character key: input of the graphic character displayed on the key top DIAC key input of characters with diacritical marks SYMB key: key Input of graphic characters other than the graphic characters displayed on the top (hereinafter referred to as "non-display characters") 0 (shift) key: Switches the input of the two graphic characters displayed on the key top, and inputs uppercase and uppercase letters. Switching lowercase letters q (Correct) key: Cancel (b) Keys related to formatting information: Tab LHM, RHM keys: Left, Right hand margin set, Tomoe key Two Cursor home positioning ←, →, ↑ No. 1: Move cursor left, right, up, down CENTE key: Centering 5EARC key: Keyword search MERGE key: File synthesis output, Miyuki screen scroll up, down ← key: Margin release 10.12.15 key: Horizontal Interval io, 12゜1/
15 inch designation 1.1.5.2 Keys: Vertical spacing 6. 4. Specify 3 inches : Space (C) Key related to control information EOF key: End of file PRINT key: Document printing 5END key: Document transmission position EX key: Used in telex terminal device specifications C0DE key: Output code shift (described later) J key : Carriage return Note that control information can also be input by combinations of various keys.

Among the keys on the keyboard unit 11, DIAC is still
, SYMB, shift, 10, 12, 15° 1.15.2
, JUSTI, EXIT,
(referred to as J) 110 to 122 are provided.

The keyboard unit 11 is composed of keys shown in FIG. 4 and a key switch matrix that outputs code data corresponding to the operated keys.

FIG. 5 is a block diagram showing the configuration of the keyboard control section 16.

This keyboard control unit 13 is a central processing unit (CPU)
160, program ROM1!11. Conversion ROM13
2, RAM133. It is composed of a parallel I/Q 134, a parallel/serial converter 110135, and the like.

The program ROM 131 has a keyboard unit 11.
A keyboard and console control program is stored in the conversion ROM I 32 for executing input control such as conversion of character information input from the computer, and the conversion ROM I 32 is used to convert input character information into predetermined character information. The RAM 133 stores various data such as a conversion table, and is used as a working area for program execution.

Parallel I10134 connects keyboard unit 11 and C
The 8-bit code data inputted to the PU 130, the strobe signal, the delete signal output when the DELET key is operated, the lighting signals of the LEDs 110 to 122, etc. are transferred.

Parallel/serial I10135 is the input character/
Parallel data, which is information, format information, control information, and converted character information, is converted into serial data and transferred to the system control unit 9.

This parallel ■10134 and parallel/serial l1
0135 is controlled by the CPU 130, and its control words are shown in Table 1. (The table is shown at the end of the Detailed Description of the Invention column.) Nao, (3) in Table 1
OUT F2 (D D7 BUZZERON means the sounding control of a not-shown buzzer provided in the keyboard unit 11.

Further, the status format, mode instruction format, and command instruction format of the parallel/serial I10135 are shown in FIGS. 6, 7, and 8, respectively.

Note that parallel/serial conversion l1 in this embodiment
The mode command format of 0135 is B1=0,
B2=1, Lt=1, L2=1, PEN=
0, EP=O.

The format is determined by 5l=l and 52=1.

Next, the program ROM 131 of the keyboard control unit 16
This section describes the specifications of the keyboard and console control program stored in .

Note that among the various keys on the keyboard unit 11, DEL
When each key except the ET key and the C0DE key is operated, 8-bit code data shown in FIG. 9 is input from the keyboard unit 11 to the keyboard control section 13 corresponding to the operated key.

The keyboard and console control program satisfies the following (1) to αe.

(1) Data from keys that do not require code conversion in (2) to α below are output as they are in the code shown in FIG.

(2) DIAC key processing “DIAC key code 10 basic character coder 1st
A distinguishing phonetic type character is input by the code string of ``Kisa expression code'' to the line of the phonetic mark code shown in Figure 0. Note that "+" or "," used to indicate a code string are meaningless characters (the same applies hereinafter).

In this case, code conversion (conversion of input character information) and LE
Controls the lighting of D110.

■ The LED 110 of the DIAC key is turned off in its initial state.

■ When the DIAC key information is input, the system enters the distinguishing note character input mode and turns on the LEDllo.

■ When two characters of character information are input, the "basic character code + 10H + 08H diacritical mark code (
However, by converting to a code string of by=o)J, LPD 1
10 is turned off.

■ When the Collect (Gel) key information is input after the DIAC key information is input, or when the Collect key information is input after the DIAC key and one character information is input, the distinguishing pronunciation type character input mode is canceled. Then, each key input is ignored and the LED 110 is turned off.

■ Determine whether or not the distinctive sound note character information (converted character information) obtained by converting the input character information is a distinguishable pronunciation type character that is allowed to be input as shown in Table 2, and input it. If the input is allowed, the converted character information is output, and if the input is not allowed, the converted character information is not output and the buzzer sounds.

The input of distinctively pronounced characters using the DIAC key will be described in detail.

The line-to-row representation of the place mark that inputs the diacritic typing character Ill is rAJ.

Note that "" used to indicate characters and codes are meaningless characters (the same applies hereinafter).

Therefore, by performing key operations in the order of DIAC key, A key, and A key, the information of the code string [81H+41H+41HJ is input, the code conversion described above is performed, and the distinguishing note "" is input.
By setting the sign of bt=0, the sign becomes “4A
Since it becomes HJ, "
41) Data of the code string I+10H+08H+4AHJ is output.

That is, character information conversion command information that instructs conversion of character information into predetermined input information is input using the DIAC key.

Based on this input result and the 2 characters' worth of character information input following the DIAC key information, the 2 characters' worth of character information is converted into predetermined character information, which is converted character information. Character information with musical notes is output.

(3) SYMB key processing The rsYMB key coder shown in Figure 9 goes to the character code column shown in Figure 10 to the character code row shown in Figure 10. Input a graphic character other than the displayed graphic character or a character outside the tab display.

In this case, code conversion (conversion of input character information) and LE
Controls the lighting of D111.

■ The LED 111 of the SYMB key is turned off in the 5 initial state.

- When the SYMB key information is input, the mode enters the non-display character input mode, and the lighting of the LED 111 is controlled.

■ When two characters of character information are input, 01 in Figure 10
For 0 to 7/F, the code is converted to the "code shown in Figure 10", and for 810 to F/F in Figure 10, it is jlOH.
+lOH+code shown in FIG. 10 (where b7=o)J is converted into a code string, and the LED 111 is turned off.

(2) The processing when collect key information is input after SYMB key information is input is the same as the DIAC key processing.

■ Non-display character information obtained by converting the input character information (it is determined whether the converted character information is a character that is allowed to be input as shown in Figure 1 "0", and if the input is allowed, the converted character is Outputs information, and if input is not allowed, sounds the buzzer without outputting converted character information.

The input of non-display characters using the SYMB key will be described in detail.

First, the non-display characters “<” in O10 to 7/F in Figure 10
When inputting , the column hex representation of the character "<" in FIG. 10 is r3J, and the row hex representation is rCJ.

Then, by performing key operations in the order of °, SYMB key, 3 key, and C key, the information of the code string [81H+33H+43HJ is input, the code conversion described above is performed, and " Data of 3cHj is output.

In addition, the non-display characters "/E" from 810 to F/F in Figure 10
When inputting , from FIG. 10, the character r-4EJ's column representation is rEJ, and its row representation is "1".

Therefore, by performing key operations in the order of SYMB key, E key, and l key, the code string information of ``81H + 45H + 31HJ'' is input, the code conversion described above is performed, and the code of the non-display character ``eyebrow'' is changed to b7= By setting it to 0, the code becomes “61
Since it becomes HJ, [10H+
Data of a code string of 10H+61HJ is output.

That is, character information conversion command information that instructs conversion of character information to non-display character information, which is predetermined character information, is input using the SYMB key.

Then, based on this input result and the character information of the two characters input following the SYMB key information, the non-display character is converted character information that is converted from the character information of the two characters into predetermined character information. Information is output.

(4) Person, "o', υ, β key processing Information input using these keys is output after performing the code conversion shown in Table 3. In the same table, l'-5pJ is the shift key. Indicates a press down.

(5) $, φe@e t l lμ key processing Information input by each of these keys undergoes the code conversion shown in Table 4 and is output. In addition, in the same table, the output code ()
The characters in parentheses are the characters in the ASCII code, and the characters in parentheses are the characters of this communication terminal device when b7=1.

(6) \, l key processing Information input by each of these keys undergoes the code conversion shown in Table 5 and is output. In addition, in the same table, the characters () and 〉 in the output code have the same meaning as in Table 4.

(7) LHM, RHM, TAB, TAB, Ko, 5L
CENTE, 5EARC, MERGE, +, EOF.

PRINT, 5END key processing Information input by each of these keys undergoes the code conversion shown in Table 6 and is output. In addition, in the same table, △ is C0DE
This shows the held state of the key, and the symbol □ shows the key operation of 0/D in FIG.

Now, to explain the C0DE key, for example, if you operate the P key, the code for this P key is as shown in Figure 9.
7~ bO becomes "01110000", but simultaneous KCO
When the DEC0DE key is pressed, the code will be "ooolooo"
Become ooJ. In other words, it is shifted from the 5th column to the 2nd column.

(8) 10, 12, 15 key processing ■ Turn on the 10 key LED 112 in the initial state.

■ When the information of any key is input, the input information is converted into the code shown in Table 7 and output, and the LEDs 112 to 114 of the key of the input information are turned on and the LEDs 112 to 114 of the key of the input information are turned on. LEDs 112-114
turn off.

(9) 1, 1.5.2 Key processing■ Turn on the LED 115 of the 1 key in the initial state.

■ When information for any key is input, the input information is converted into the code shown in Table 7 and output, and the LEDs 115 to 117 of the key of the input information are turned on and turned off if they were previously turned off. LEDs 115-117
turn off.

00) JUSTI key processing■ Turn on LED 118 in the initial state.

- When JUSTI key information is input, the input information is converted into a code of △OJ and output.

- The LED 118 repeats the on/off state each time the JUSTI key information is input.

(Group Advancement Key Processing■ Turn off LED 119 in the initial state.

■ When key information is input, the input information is alternately code-converted to △PS or △PW and output.

- The LED 119 repeats the on/off state each time information on the advance key is input.

0 × key processing■ Turn off the LED 120 in the initial state.

■ When the information of the × key is input, the input information is code-converted to △PB and output.

(2) The LED 120 repeats the on/off state each time the information of the x key is input.

0 data CHAR, WORD, LINE, BLOCK key processing ■ When any information of each of these keys is input, the information of the DELET key (delete signal DE in Figure 5)
LET) is input, and if the delete signal DELET is input, the input information undergoes the code conversion shown in Table 8 and is output, and the delete signal DELE is output.
If T is not input, the input information is ignored.

■ Determination of the delete signal DELET is performed before storing the information from each key in the buffer. is limited by the telex beak end device, so when using this communication terminal device in telex specifications, the input characters are limited.

■ Turning the LED 121 off in the initial state ■ The LED 121 repeats the on/off state each time information from the EX key is input.

■ When the LED 121 is on, input character information is limited to only the characters shown in Figure 11, and when characters other than those shown in Figure 11 are input, the input character information is ignored and the buzzer sounds. .

■ There are no restrictions on the input of function keys other than the DIAC key and SYMB key.

(The zero-distinguished starting notes ゝ and ′ restrict input.

Q5) EOF key processing When EOF key information is input, 10, 12
, 15 , 1 , 1.5 , 2 , JUSTI.

xxx, x, position EX key LED 1-12
~121 is set to the initial state.

αe Buffer for data buffering of input information (
A 32-byte area is provided as a FiFo structure, and when the buffer becomes full, subsequent input information is ignored and a buzzer sounds.

As described above, this keyboard 1 is capable of handling character information that is directly input by operating various keys on the keyboard unit 11.
Based on the input results of format information and control information and character information conversion command information using the DIAC key or SYMB key, the system control unit 9 converts character information, format information and control information using various keys, or converted character information obtained by converting the input character information.
Output to.

As a result, all of the graphic character repertoire shown in FIG. 10 and the distinctive phonetic type characters shown in Table 2 can be entered using the keyboard 1 having a standard number of keys.

Therefore, in a keyboard for writing that uses characters with an umlaut symbol as in this embodiment, the frequently used character with an umlaut symbol is displayed on the key top.
It becomes possible to input it with a simple operation like other basic alphabets.

In addition, the characters to be input are not limited to the characters mentioned above; by changing the conversion table arbitrarily, the keyboard layout can be changed for each country such as England and France, and it can also be applied to Japanese. can.

(B) Character Display FIG. 12 is a block diagram showing the configuration of the character display 2.

In the figure, the CRT display 21 is a CRT 2
10, a video amplification circuit 211 that amplifies the video signal VD from the CRT control section 26 and outputs it to the grid of the CRT 210, and a horizontal synchronization signal H from the CRT control section 26.
8 and a vertical synchronizing signal vS to control the horizontal and vertical deflections of the CRT 210.

The horizontal deflection circuit 212 includes a drive circuit 214. which receives a horizontal synchronization signal H8. Trance 215. It consists of an output circuit 216 that outputs a horizontal deflection control signal, a high voltage circuit 217, and the like.

The vertical deflection circuit 213 includes vertical oscillation circuits 218 . It consists of a drive circuit 219, an output circuit 220 that outputs a vertical deflection control signal, and the like.

The CRT control unit 23 includes a CPU 231, a ROM 2
, RAM232, serial I10235° parallel I10234. 7 Reset memory (hereinafter referred to as rV-RAM)
J) 265 and 236. Character generators 237 and 238. It is composed of a CRT controller 239, a video control circuit 240, and the like.

The ROM 231 stores a CRT control program for executing display control, and the RAM 262 stores a CRT control program for executing display control.
In addition to storing data such as input character information, it is also used as a working area for program execution.

The serial I10233 transfers received data RD such as character information via the driver 241, and the serial I/Q 23
4 transfers switching control data for multiplexers 242 and 246.

V-RAMs 255 and 236 are V-RAMs for basic characters (characters other than distinguishing notes) and distinguishing notes, respectively.
and CP via multiplexers 242 and 246.
Accessed by U230 or CRT controller 239.

The character generators 237 and 238 each have one basic character (characters other than the distinguishing starting note) and one distinguishing whole note character each composed of 16 vertical dots and 10 horizontal dots as shown in FIG. 13. Holds the characters shown in V
- Convert character data manually input from the RAMs 255 and 266 via the latch circuits 244 and 245 into dot data of basic characters and distinguishing notes.

The CRT controller 239 is connected to the clock generator 2
CRT 210 by inputting the clock signal etc. from 46
A horizontal synchronizing signal H8° and a vertical synchronizing signal vS for displaying are output to the horizontal deflection circuit 212 and vertical deflection circuit 216, respectively, and a video timing signal V''T and a cursor signal KS are output to the video control circuit 240.

The video control circuit 240 converts the parallel data from the character generators 237 and 238 into serial data using shift registers 247 and 248, and inputs the synthesized basic character and distinguishing note dot data using an OR circuit 249. CRT controller 269
video timing signal VT and cursor signal KS from
The control for outputting the video signal VD to the video amplifier circuit 211 based on the following will be briefly explained.

First, the CPU 2'30 executes CR based on the displayed information.
V-RA corresponding to the part of the T210 screen that you want to display
Write data to addresses M 235 and 266.

Then, the CRT controller 239 controls the CRT 21
, 0 are displayed in synchronization with the video timing signal VTK, and the V-RAMs 235 and 266 are accessed.

The basic character and distinguishing note data output from the V-RAMs 235 and 236 are converted into dot data of basic characters and distinguishing note by character generators 267 and 268, and this converted data is stored in the shift register. 247 and 248, and then synthesized by an OR circuit 249 and input to a video control circuit 240.

Then, the video control circuit 240
A video signal VD corresponding to the data stored in 235 and 266 is generated to display character information on the CRT 210.

Next, the C
The specifications of the RT control program will be explained.

The CRT control program consists of the following (1) to (5).
) is satisfied.

The flow of the display control routine is shown in FIG. 15, and the flow of the display control routine is shown in FIG.
Each figure shows the flow of the display information conversion routine of FIG. 15.

(1) Display character information conversion function Referring to Figures 14 and 16, (1) Receives (inputs) display character information in a 7-bit or 8-bit code conforming to JIS.

The character configuration on the character display 2 in this embodiment is a start-stop type with a 1-bit start,
8 bit data.

It consists of a total of 11 bits including 2 stop bits.

(1:) Since the characters shown in 210 to 77F in FIG. 14 are input as code data shown in the same figure, code conversion (conversion of display character information) is not performed.

(iii) Among the characters shown in A/1-F/F in Figure 14, the characters other than the distinguishing tone note among the characters C10 to D/F (hereinafter referred to as "special characters") are as shown in the same figure. rS shown in
Data is input as a 4-byte code of EH+soa+special character code (by=0) J.

Therefore, in order to display special characters, the received data should be [s
If a code string of EH+50HJ is involved, the received data is code-converted into a code string of "5Rf (+50H+special character code)" shown in FIG.

This will be explained specifically using the special character "eyebrow" as an example. When displaying this special character ``eyebrow'', by setting the sign of the character ``ku'' shown in Figure 14 to b7=0, the sign becomes l'-61HJ, so ``SEH+50H+
61HJ code string data is input, and the original display corresponding to this received data is [Δ, P, aj.

However, as mentioned above, this received data is “5EH+5
Since the code is converted into a code string of 0H+EIHJ, the display corresponding to this converted data becomes "Δ, P, J!E".

OV) The distinguishing phonetic type characters shown in Table 2 are the 14th
The data is input as a 4-byte code of "basic character code + 5EH + 48H diacritic diacritic code (Lby-0) J" shown in the figure.

Therefore, in order to display the distinctively pronounced stamped characters, if the received data is accompanied by a code string of "sEH+48HJ" in the basic character code, the received data is converted into a one-character code as shown in FIG.

The code is converted into a code string of distinguishable note code +2DH+2DHJ.

This will be explained in detail using the distinguishing phonetic type character "dai" as an example. When displaying this distinguishing pronunciation type character rAJ, by setting the sign of the distinguishing note "0" shown in Fig. 14 to b7=0, the sign of "0" becomes j4AH.
Since it becomes J [41H, 5EH.

48H, 4AHJ code string data is input, and the original display corresponding to this received data is [A, Δ, H, JJ.

However, as mentioned above, this received data is l'-41
Since the code is converted into a code string of H, CAH+2DH+2DHJ, the display corresponding to this converted data is "X, -,
−”.

In this manner, when displaying characters other than special characters and distinctively pronounced characters, display character information of the 8-bit code shown in FIGS. 1-4 of the characters to be displayed is input to the character display 2.

In addition, when displaying special characters, the display character information of the character corresponding to the symbol b7-0 shown in FIG. 14 of the special character to be displayed is converted into predetermined display character information. Display character information [△, PJ is added and input, which is character information conversion command information that commands.

Furthermore, when displaying a distinctively pronounced typed character, the display character information of the basic character of the character to be displayed and the display character information of the character corresponding to b7 = 0 of the code shown in Figure 14 of the character to be displayed. Display character information [△, HJ is added and input as character information conversion command information.

Then, based on the input results of these display character information and character information conversion command information, input display character information or converted display character information obtained by converting the display character information is displayed.

As a result, all character information that can be input using the keyboard 1 described above can be displayed on the character display 2.

(2) Normal mode function Referring to Figures 14 to 17, (in normal mode, the received data is always
Waiting for writing to M232.

(11) If the received data is displayable character information (character code) or SUB data of the control information (control code) shown in Figure 17, the received data is displayed at the cursor position immediately before reception. and moves the cursor forward one column.

Note that Table 9 shows the relationship between control information (control code) and received data. In the same table, the remarks column OB,
P and F stand for basic page format.

(iii) If the received data is a displayable control code, perform the processing requested by the data. This will be discussed later.

h) If the received data is a code corresponding to a blank area in either Figure 14 or Figure 17, or if it is a DEL code of 7/F in Figure 14, the data is processed without internal processing. Ignore and keep the previous mode.

(V) When a character or control code is received and the corresponding processing is completed, the state returns to the state of waiting for data writing to the RAM 262.

When data of a control code with a control function is received in the control code shown in Fig. 17,
Performs the required control of (1) to (vD) below.

(1) When receiving the screen clear FF (OCH) code, K erases the entire screen display. At this time, the cursor is at the top left corner of the screen.
Set it in the first column of the line.

(11) When receiving the return change action CR (ODH) code, set the cursor to the top of the current line.

When the LF (OAR) code is received, the cursor is moved to the next line at the same column position.

In this return/return operation, erasure from the cursor position to the line end is not performed.

Further, if the cursor is on the last line when this LF code is received, the cursor is set to the same column position on the same last line at the same time as the l line is scrolled up.

(iii) Tab operation HT (When the 09J code is received, the cursor will jump 8 columns from the left to 8゜16.24, 32, 40.
, 48, 56, 64° 72.80 Force ram position.

Ov) When receiving the pack space BS (08H) code, move the cursor one column to the left and erase the characters already displayed. If the cursor is in the first column, the cursor is not moved and the received BS code is ignored.

(v) Underline (see Figure 16) Underline start of C8I sequence function: △5 (5EH,
53H) and A/D line end: △W (5EH, 57
When receiving the code H), “△S” and “△W”
Display an underline between. That is, in this case as well, the displayed character information is converted into predetermined character information.

To describe this specifically, the reception code is [△5ABCD
If it is AWJ, "△SM J△W" is displayed.

(vl) E SC Sequence Mode When the ESC (IBH) code is received, the following (4
) will enter the ESC sequence mode described in ).

(43 ESC sequence mode function When an ESC code is received, the ESC sequence mode is set, and the next received display character code (character code) is used as the ESC sequence function code, and the characters of that character code are not displayed.

(1) Cursor up control ESC (I B
When the HJ10A (41H) code sequence is received, the cursor is moved one line up while remaining in the same column position.

If this sequence is received while the cursor is on the first line, the sequence received without moving the cursor is ignored.

(ii) Cursor down control ESC (IB
When a sequence of H)+B (42H) codes is received, the cursor is moved one line below while remaining in the same column position.

If this sequence is received while the cursor is on the last line, it scrolls up one line and simultaneously sets the cursor to the same column position on the same last line.

(iii) When the cursor forward ESC(IBH)-1=c, (43H) code sequence is received, move the cursor one column position to the right.

If this sequence is received while the cursor is in the end column of a line, it is moved to the first column of the next line.

If this sequence is received while the cursor is in the end column of the last line, the cursor is set to the first column of the same last line at the same time as the line is scrolled up.

(iv) Cursor back forward ESC (IBH
When a sequence of J10D (44H) codes is received, move the cursor one column to the left. When the cursor moves to the first column, the cursor is not moved any further and subsequent received codes are ignored.

(v) Cursor home control ESC (IBH
When the J10H (48H) code sequence is received, the cursor is set in the first column of the first line at the upper left corner of the screen.

(v9 Cursor Addressing ESC (When receiving the IBHJ 10Y (59H) code sequence, sets the addressing mode,
Next, two received display character codes are used to specify the absolute line height and the column level, respectively.

That is, the cursor can be set at any line and column on the display screen by the sequence of ESC+Y+line designation character 1 column designation character code.

Tables 10 and 11 show cursor addressing designation codes. From the same table, for example, ESC10Y+S
The 1st line of the 1st line is
Column is specified.

&10 When the screen clear ESC (IBHJ 10E (45H) code sequence is received, the entire screen display is cleared. At this time, the cursor is set in the first column of the first line at the upper left corner of the screen.

(viii) When the screen erase ESC (IBH) + J (4AH) code sequence is received, the display from the current carnage position to the end column of the final line is erased. At this time, the cursor does not move.

(1x) Line Erase ESC (IBM) When a sequence of 10K (4BH) codes is received, erases the display from the current cursor position to the end column of the line. At this time, the cursor does not move.

(x) Self-diagnosis function ■ When the ESC (I BM ) 10U (55H) code sequence is received, rHJ is displayed on the entire screen and the cursor is set in the first column of the first line.

■ When the ESC (IBH) + V (56H) - r - code sequence is received, the characters that can be displayed on the screen are
The lines are sequentially displayed at one-space intervals starting from the first column, and the cursor is set to the first column of the first line.

(5, I In the ESC sequence mode; b Received code processing The next time the ESC sequence mode is set, the above-mentioned processing is performed depending on the content of the next received character code, and after processing, the mode is set to the normal mode or the ESC sequence mode.

Table 12 shows the relationship between received character codes, operating functions, and post-processing modes.

In this way, the character display 2 displays character information and converted character information input via the keyboard 1 based on the format and control information input at the same time.

Thereby, documents can be created and edited on this character display 2.

(C) Thermal Printer 3 FIG. 18 is a block diagram showing the configuration of thermal printer B.

In the figure, the printer control unit 33 includes a CPU 33 [1
, ROM331, RAM352, input buffer 33
3. buffer RAM 334, character generator 335. It is composed of a line feed motor driver 6361, a cutter motor driver 337, and the like.

The ROM 331 stores a printer control program for controlling the printing operation by the thermal recording section 31, and the RAM 5S2 stores various data and is used as a working area for program execution.

The input buffer 333 contains 8-bit recording information data PD and control information data CD shown in FIG.
etc. are transferred in parallel.

Note that the recording information and control information may be input as USASCII' code data shown in FIG. However, the characters that can be recorded in this case are limited to those shown in the figure.

The character generator 635 generates one character as shown in FIG.
b) ←) As shown in (c), when the character pitch is 1/10", the character pitch is 1/12", 20 dots vertically and 12 dots horizontally.
“, 16 dots vertically, 10 dots horizontally, character pitch 1
/15", the character shown in FIG. 22 consisting of 15 dots vertically and 8 dots horizontally is held, and the character data from the buffer RAM 334 is converted into dot data. Note that for the distinguishing note character, the basic Character data of characters and distinguishing notes are input and synthesized into one character.The 0 column in Fig. 22 is for lowercase letters, and the D column is for uppercase letters.

The parallel data from the character generator 635 is converted into full data by a shift register 668, and then input by an OR circuit 669 whose other input is underline data from the buffer RAM 334 and bold data from the buffer 634. The signal is input to the thermal recording section 31 via a bold print circuit 340 that performs bold print control.

It should be noted that various switches and display lamps having the following instruction or display functions are arranged in an operation section (not shown) of the thermal printer 3.

Power switch: Turns the power on.

Heha feed switch: Momentary switch is set to 1. Pressing l operation feeds paper for one line feed, and continuous operation feeds paper continuously until the operation is released or TOF.

However, this switch is only valid when offline.

Offline (OFFLINE)/Online (ONLI)
NE) Switch: This is a momentary switch, which goes online when the power is turned on and then switches to on or offline with each operation.

Line break pitch select switch: /6” as line break pitch
, /4", or /3". However, this switch is only valid when offline.

Character pitch select switch: 1/1 as character pitch
Specify either 0", 1/12", or 15".

However, this switch is only valid when offline.

Self-test switch: Tests various functions.
However, this switch is only valid when offline.

Head release lever: Enables paper setting, releases the head, and enters offline mode.

Automatic cutter on/off switch: Instructs the automatic cutter to operate.

Power lamp: Lights up when the power is turned on.

Online lamp is displayed when online, and offline is displayed when offline switch or paper empty lamp is lit.

Paper empty lamp: Lights up when the paper is empty or the head is in the oven, and turns off when the paper is set or the head is closed and the offline switch is turned on. It also flashes when there is a power problem.

Next, the RO of the printer control unit 63 of the thermal printer 3
The specifications of the printer control program stored in the M361 will be explained.

The printer control program consists of the following (1) to (
4) is satisfied.

Referring to FIG. 19, (1) Format control (1) When a space 5P (20H) code is received, move the print head one character to the right on the same line.

(11) When a backspace BS (08H) code is received, move the print head one character to the left on the same line.

(iii) When receiving a line feed LF (OAH) code, move the operating position to the corresponding character position on the next line. However, when the internal switch is in the new line,
When an F code is received, a new line operation is performed.

Ov) Reverse line feed゛, when receiving RLF (8DH) code,
Move the action position to the corresponding character position on the previous line.

(v) Page feed operation FF (0CH) When the code is received, the operation position is advanced to the corresponding character position on the first line of the next format (page).

At this time, a broken line (- code and SP code alternately) is printed at the page break by specifying a page format selection code to be described later.

Also, if you receive this FF code while the automatic cutter on/off switch is on, perform paper cutting with the TOF, and if you receive this FF code while the automatic cutter on/off switch is off, , print a dashed line.

(VD Return change operation When receiving the CR (ODH) code, the operating position is moved to the home position on the same line. However, if the CR code alone is received, the reception is ignored, and the LF, CR code or CR
.

This operation is performed only when an LF code is received.

(wit) Partial line down PLD (8BH) code means the beginning of a subscript or the end of a superscript. When this PLD code is received, the operation position is set vertically and the number is 12", and a series of data strings are Next PLU in (8CH)
Characters until the code is received are treated as subscripts.

(vl:υ Partial line raise PLU (8C'H) code means start of superscript or end of subscript.

When this PLU code is received, the operating position is launched vertically by 1/12", and the characters in the series of data until the next PLD code is received are treated as super drift.

(2) Display control (1) Page format selection C3l (9BHJ 10Pn (parameter) 15P (20H
) + J (4AH) code is received, the following < FF (OCR) code is input, the parameter P
A page format is defined according to n. The relationship between the parameter Pn and the page format is as follows: Pn=O: Standard page format O Portrait Pn=: 1: Standard page format Landscape Pn=2: A4 size page 7 format Portrait Pn=3: A4 size page The format is horizontal ↓, and the default value of Pn is pn+wo ``t''.

(11) Graphic modification selection C3l (9BH) + Pn (parameter) + m (6DH)
When a code is received, it specifies whether or not the text that follows it is underlined. In addition, the parameter P
The relationship between n and the presence or absence of an underline is as follows: Pn=O: No underline or end pn=4: Start of underline, j>, and the default value of Pn is Pn=0.

(ii) Horizontal spacing selection C3l (9BHJ+Pn (parameter) 15P (20
H) When a 10K (4BH) code is received, define the spacing (pitch) of the characters that follow it. The parameter Pn can be changed at any position within the page, and becomes valid after receiving the next f2)CR(ODH) and IF(OAH) code'. The relationship between the parameter Pn and the character pitch is as follows: Pn=0: 10"Pn-1=1/12" Pn=2: 15", and the default value of 9.Pn is Pn=0.

Qv) Vertical spacing selection C8I (9BHJ+Pn (parameter)+5P(
When a 20H)+L(4CH) code is received, the line spacing (line feed pitch) of the text following it is defined. Parameter Pn can be changed at any position within the page and becomes valid after receiving the next LF (OAH) or RLF (8DH) code. The relationship between the parameter Pn and the line feed pitch is Pn=O: 6" Pn=1: 4" Pn=2: 1/3" Pn=3: '/12", and the default value of Pn is is Pn■0.

(3) Printing Control (1) Character Code Sequence ■ When the code of ``discriminative phonetic mark code ten basic character code'' is received, the distinguishable phonetic stamp characters shown in Table 2 are printed.

■ [Nonce bear underline code (CCH) cross code (20H to 7FH, AIH to BFH, DOH-FF>
H) When a J code is received, a non-spare unlined character is printed.

■ “Character code 10 BSP (08H) + Angline (5
FH) J's code) "t- When received, print characters with spaces and lines.

(11) When a character replacement SUB (IAH) code is received, an error symbol "!" is printed at the printing position.

(4) Other controls (1) When receiving the bold Phoenix printing ESC (IBJ-BC42H) code, start or end bold printing (printing with one dot line thicker in the horizontal direction).

(11) Left margin set ESC (IBM) 10 (e expulsion 44FHJ 10Pn (
When a parameter (parameter) code is received, the printing position is immediately moved to the column position corresponding to Pn at the current character pitch.

After that, the shift left margin position will not change unless it is changed again by the LMS code.

Note that the parameter pn is Pn-Of ~99te/maru, and the default t[ is Pn=10.

(iii) When the response door operation ESC (IBHJ1R) (52H code is received), after the operation based on all the received data received up to that point is completed, the ESC is set to the initial state when the power is turned on.

4V) When the auto vapor cut ESC (IBH) + E (45H) code is received, if the auto cutter on/off switch is on, the paper is cut using the TOF, and when the switch is off, the paper is cut at the current printing position. Do this.

(V) Auto New Line When a character code is input that exceeds the maximum number of characters to be printed on that line during printing at a specified character pitch, a new line is automatically added and printing continues.

(VD Self-test Test characters in Figure 22 (7FH, AOH.

FFH) generation and printing are performed automatically.

By configuring a communication terminal device using a thermal printer in this way, high reliability can be obtained in thermal printing since only one supply is required, and the printing speed is high, so that high speed printing can be achieved.

) External storage unit 5 Regarding the FDDs 51 and 52 of the external storage unit 5, the publicly known 8
Since it is constructed of an inch double-sided double-density drive front disk device, a detailed explanation thereof will be omitted. Further, since the FDD control section 56 is a part of the system control section 9, details will be described in the section on the system control section 9 described later.

(E) Communication Control Unit (CCU) 7 FIG. 26 is a block diagram showing the configuration of the communication control unit 7 and the line termination device 8.

This communication control section 7 includes a CPU 70. ROM 71 RAM 72 which is a storage means for storing document information; interface section 73. It consists of a line interface section 74 and the like.

The ROM 71 stores a CCU control program for controlling transmission of transmitted document information and received document information, etc.
The RAM 72 temporarily stores data of transmitted document information and received document information, and is used as a working area for program execution.

The interface section 73 transfers data to and from the system control section 9, and the line interface section 74 transfers data to and from the axis line termination device 8. Note that the details of the interface section 73 will be described in section 90 of the system control section (described later).

Next, the CCU control program stored in the ROM 61 will be explained.

FIG. 24 is a flow diagram showing an outline of the entire CCU control program.

In the same figure, 5TEPI: Initialize the communication control section 7.

Incidentally, the CCU initialization routine is shown in FIG.

5TEP2-10 When a command is received from the system control unit 9, document send and RTC set according to the received command.

Executes RTC read and self-test controls. Note that "RTCJ" in the figure means real-time clock.

5TEPII, 12: When receiving a call from another communication terminal device, execute document send control.

FIG. 26 is a flow diagram showing the document send routine of 5TEP4 in FIG. 24.

In the figure, the destination dial number and transmission document information are received from the 5TEPI system control unit (5CU) 9.

Since the transmitted document information from the 5TEP2 system control unit 9 is in the Word Star (WS) format, it is in the format of a document creation terminal device capable of international communication (hereinafter simply referred to as the "terminal device (CWP) format").
and stores it in the RAM 72.

5TEP3, 4: When format conversion is completed, connect the line.

5TEP5-7 When the two-line connection is completed, the transmission document information is transferred to the personal line termination device 8 for transmission, and the transmission result is transmitted to the system control section 9.

5TEP8 or 9: When format conversion or line connection fails, the result is transmitted to the system control unit 9.

FIG. 27 is a flow diagram showing the document receive routine of 5TEP12 in FIG. 24.

In the figure, 5TEPI, 2: Performs incoming call processing in response to a call from another communication terminal device, receives document information sent via the line termination device 8, and temporarily stores it in the RAM 72.

5TEP3.4 RAM7 for the system control section 9
2, and receives a command from the system control unit 9 in response to the received document information.

5TEP5-8 If the command from the system control unit 9 instructs recording to the thermal printer 3, the received document information is formatted as is; if the command is an instruction to store it in the external storage unit 5, the received document information is formatted. After conversion, it is sent to the system control unit 9.

If the command from the 5TEP9 system control unit 9 instructs to hold the received document information in the RAM 72, it continues to be held in the RAM 72.

However, if the capacity of RAM72 approaches the limit,
Priority is given to recording to the thermal printer 6 or external storage unit 5.

Details of the format conversion between the Word Star (WS) format and the terminal device (CWP) format in 5TEP2 in FIG. 26 and ♀ 5TEP8 in FIG.
This will be explained in the explanation of the printer output program in the section.

In this way, the communication control unit 7 controls the RA that stores document information.
M72 controls the transmission and reception of document information independently of local operations, and when received document information is stored in the RAM 72, it is retained in the RAM 72.

Thereby, even if both the thermal printer 3 and the external storage section 5 are unavailable, it is possible to receive document information from the communication terminal device of the other party, so that information can be transmitted at high speed.

Connection between the communication control unit 7 and the line switching network is performed via a line termination device 8.

The line connection and transmission/reception protocols in this embodiment are based on the following layer specifications based on CCITT recommendations.

(1) Circuit switching interface (layers 1 and 2)
(11) Link layer, network layer procedures (
Layer 2, 3) (iii) ) Transport layer procedure (layer 4)
(iv) Session Document Layer Procedures (Layer 5) For details on these, see the materials (sL) to (b) below.

(a) CCITT Recommendation F, ) CCITT Recommendation S, Recommendation Character Repertoire and Coding Character Set for Recommendation Power Retex Services" (e) CCITT Recommendation S, Recommendation Network-Independent Basic Transport for Power Retex Services" (f) CCITT Recommendation X, 75 "International Public Packet Network Connection Signaling System" (g) Nippon Telegraph and Telephone Public Corporation's Ai Exchange Service Interface" (to) System Control Unit 9 FIG. 28 is a block diagram showing the configuration of the system control unit 9.

In the figure, the system control section 9 includes a CPU unit 9
0, dynamic RAM (hereinafter referred to as "DRAMJ") unit 91, keyboard 1, character display 2 and thermal printer 3#i ear 7 ace unit 92, interface unit 93, universal DMA unit 94, FDC controller 7 ohm unit 95. and an FDD control section 53 consisting of an FDD interface unit 96.

The CPU unit 90 includes a CPU 900, a clock generator 901, an interface controller 902, a parallel l10905 for inputting parallel data, a driver/buffer 912, and the like.

The D RAM unit 91 divides the memory space into a system area, bank/0. DRAM91 allocated to bank φ1
0, bank φ0 and bank ÷ 1 of this DRAM910
a DRAM controller 911 that controls switching of the
It consists of a driver/buffer 912 and the like.

The interface unit 92 includes a 1'Rhino buffer 920, an interactive controller 921, an interface 922 for the keyboard 1, an interface 926 for the character display 2, and an input boot for the thermal printer 6). ROM9i, Boo) ROM select circuit 93 'F', interconnected controller 962, driver/no (sofa 966
, I10 data bus driver/) sofa 934, I10 control signal generation circuit 965 and DRQ
.

Consists of DACK, Ilo, R/W Dry: /, <Sofa 966, etc. Note that DRQ is a DMA request,
DACK means DMA request approval, and RAW means read/write.

The universal DMA unit 94 includes a Drino (/buffer 940, a DMA controller 941, and a DRQ
, DACK , I/Q , RAW )'Rhinoku/RuD
CPU for FDD51.52 by MA unit 94
Configure the interface and command.

It controls the exchange of control information such as status, track address, sector address, etc., and the transfer of storage information data.

The FDC controller format unit 95 is I1
The FDC controller formatter 9 comprises a data bus driver/receiver 950, a control signal driver/buffer 951, a head positioning control based on control information, a data write/read receiver 960, a data separator 961, etc.
52. ! :The system control unit 9 configured in this manner, which controls the transmission and reception of signals with the FDDs 51 and 52 and the separation of read data into data and clock, uses the aforementioned operating system (OS).

Programs such as a file maintenance program, word processing program, display output program, printer output program, CCU message sending program, and CCU message receiving program are stored on a floppy disk.

Then, when the power is turned on, the ROM select circuit 96
1 by inputting the reset signal RESET to boot ROM9.
Based on the bootstrap stored in 60, O8, a file maintenance program, and a CCU message receiving program are loaded into the system area of DRAM 910.

In addition, for other programs, by manually inputting the file name of the program by key operation on the keyboard 1, the program with that file name is read out from the floppy disk based on the OS to the non-resident program area of the DRAM 910, and the program is read out from the floppy disk based on the OS. Control Based on Programs is Executed Next, the specifications of each program that forms the basis of system control by the system control unit 9 will be described.

(1) O8 and file maintenance program This program is MP/M as mentioned above (2) Word processing program This program uses general-purpose software called WordStar as mentioned above, so it is suitable for WordStar users. I will leave it to the explanation in the manual.

(3) Display program Reads the WordStar (CWS) format file on the floppy disk specified by key operations on the keyboard 1, performs format conversion, and performs format conversion on the terminal device (CWS).
WP) Distinctively pronounced characters using format codes,
A file containing special characters is output to a character display 2. Satisfy the following ■～■.

■ The program is read from the file to the DRAM 910 by key operation of OA>TYP. When the execution starts, △Δ△FILE△NAME△? is displayed on the CRT 210 of the character display 2. is displayed, and the file name input using keyboard 1 is read. In this case, if the file specification is in lowercase letters, it will be converted to uppercase letters.

(2) When there is a response of only ``Tsuki'' to the above (2), the control is returned to i08.

■ When reading the file name input using the keyboard 1, it is checked whether the file name matches the format of the file name. If there is an error, a message such as △△Δ△△ERROR△FILE is sent to the CRT 210. ΔNAMEΔFOR
Display the kite T, and then display the space between ■ above again.

■ Open the specified file.

At this time, if the file is not found, the CRT 21
0 to △Δ△△△ERROR FILEΔNOTΔFOUND
, and then display the area between ■ above again.

■ Read one block sequentially from the specified file using a system call.

■ Code convert the read data as shown in Table 13.

■ Output and display the code-converted data on the character display 2 using a system call.

■ When the output to character display 2 is finished,
Display the area between ■ above.

■ This program operates under MP/M.

(4) Printer output program Reads the word star (WS) format file from the floppy disk specified by key operations on the keyboard 1, converts it into a terminal device (cwp) format code, and outputs it to the thermal printer 3. ■ below
~ Satisfies [phase].

■ The program is read from the file to the DRAM 910 by key operation of OA>PRINT. By starting execution, the CRT 21 of the character display 2
0 to △△ΔF'ILEΔNAMEΔ? is displayed, and the file name input using keyboard 1 is read.

■ When reading the file name input using keyboard 1, check whether the file name (MP/M file name format) matches.
If there is an error, send △△△△△ERROR△FILE△NAME△FOMA to CRT 210.
Display T and return control to O8.

■ Open a file. At this time, if the file is not found, △△△△△ERRORΔFILEΔNoT8FOUND is sent to the CRT210.
is displayed and the control returns to the OS.

(2) When the file can be opened normally, a queue for mutual exclusion is read so that the use of the thermal printer 3 does not conflict with the print program of the received document information. If the queue is read out, it means that use of the thermal printer 3 is permitted.

■ Sequentially read one block at a time from the specified file using system calls.

(2) Code conversion is performed on the read data as shown in Tables 14 to 16. Note that code not shown in the table is not converted.

(2) Output and record code-converted data and data that do not require code conversion to the thermal printer 6 using a system call.

- When the end of file is reached, a message is written to the mutual exclusion queue to indicate that the use of the thermal printer 6 has ended, and control is returned to O8.

■　This program operates under (.

[Phase] It is also possible to read the status of the thermal printer 6 and add control of irregular processing based on it.

(5) CCU message sending program Reads the word star format file from the floppy disk designated by key operations on the keyboard 1 and sends it to the communication control unit 7. Further, the destination dial number inputted by key operations on the keyboard 1 is sent to the communication control unit 7 . Satisfy the following ■~@.

(5) The program is read from the file to the DRAM 910 by pressing the 5END key. Upon start of execution, ΔΔΔDOCUMENTΔ5ENDΔPROGRAM is displayed on the CRT 210 of the character display 2.

■ Receives the date and time of the real-time clock in the communication control unit 7 from the communication control unit 7. For example, if the date and time is 1981.
If it is 11:42 on the 28th of the month, △ΔΔDATE△TI■ included △△MAY, 28Δ″81△ on the CRT 210
Displays 11:42.

■ Display △△△FILE△NAME△7Δ△Δ on the CRT 210 and read the file name input using the keyboard 1.

■ When reading the file name input using the keyboard 1, check whether the file name matches the MP/M file name format.
If there is an error, △△△△△ERROR△FILE△NAME△FORM
AT is displayed, and the area between ■ above is displayed again.

■ Open a file. At this time, if the file is not found, △△△△△ERRORΔFILEΔNOTΔFOUND is sent to the CRT210.
is displayed, and the area between ■ above is displayed again.

■ When the file can be opened normally, the CRT 210 displays △△△DIAL△NUMBER△? △△Δ is displayed, and the receiver receives the dial number of the destination inputted using the keyboard 1.

■ Check whether the dial number entered using the keyboard 1 is a 7-digit number (for NTT DDX), and if there is an error, send a message to the CRT 210 saying △△△△ERRORΔDIAL△NUMBE! Display R and return to ① above.

■ Send the dial number and the specified file data to the communication control section 7. In addition, Tables 14 to 1 of the data
Format conversion (code conversion) as shown in Table 6,
This is performed in the communication control section 7 as described above (see FIG. 26).

■Receives the transmission result from the communication control unit 7.

When the transmission is completed, △△△5E is displayed on the CRT 210.
ND△COMPLETION is displayed, and if an error occurs and transmission cannot be completed, Δ△△△△ERRORΔ×××...×Δ5END△F is displayed on the CRT 210.
Display AIL. Note that “XXXX...×” is the error content.

[Phase] The transmission result from the communication control unit 7 is stored in a predetermined file.

■ If an error occurs in the exchange of tenocommands and responses between the communication control unit 7 and the system control unit 9, △Δ△△ΔERROR△SYSTEMΔn is displayed.

Note that rnJ is a number.

@This program operates under -.

0 less In creating this program, please refer to the following CC
See also U interface program.

(6) CCU message reception program Receives the document information received by the communication control unit 7 and instructs recording, storage, or retention in the communication control unit 7 depending on the status of the thermal printer 6 and external storage unit 5 do. A name that satisfies ■~0 below.

(2) This program is simultaneously loaded into the DRAM 910 when (is initially loaded into the DRAM 910), and can be operated whenever the communication control unit 7 receives the document information storage.

(2) This program remains in a wait state until it receives an interactive request from the communication control unit 7 that document information has been received.

([Co., Ltd.] When the printer exits from the wait state, it checks whether the thermal printer 3 can be used or not, and if it can be used, it instructs the communication control section 7 to send data to the system control section 9 side.

■ If the thermal printer 3 is unavailable, search for an unused file among the received document information storage files, create the file, and instruct the communication control unit 7 to send the data to the system control unit 9 side. do. In addition, format conversion as shown in Tables 14 to 16 of the data is as follows:
This is performed in the communication control section 7 as described above (see FIG. 27).

(2) If the thermal printer 3 is unusable and there are no unused files, it notifies the communication control unit 7 that it cannot receive received document information.

(2) Record or store the data sent from the communication control unit 7 on recording paper of the thermal printer 6 or a file in the external storage unit 5.

(2) When using the thermal printer 3, check whether the thermal printer 6 is being used based on another program using the - queue MX Li5tΔΔ'.

If the thermal printer 3 is in use, then under -order this program is placed in a wait state until the thermal printer 6 becomes available.

■ Storing the result of receiving document information in a predetermined file.

■ Once the reception process is completed, return to step (■) above.

■ This program operates under -.

■ When creating this program, the following C
See also CU interface program.

Next, the CCU interface program referred to when creating the CCU message sending program and the CCU message receiving program will be described.

This CCU interface program allows commands and responses to be sent and received between the communication control unit 7 and the system control unit 9 through the interface unit 73 of the communication control unit 7 by executing the CCU message sending program and the CCU message receiving program. This is to avoid conflicts.

First, referring to FIG. 28, the interface unit 73 of the communication control unit 7 includes an 8-bit output port 760 for sending data from the system control unit 7 to the communication control unit 9, and an 8-bit output port 760 for sending data from the system control unit 7 to the communication control unit 9. An 8-bit input port 731 for transmitting data to the system control section 9, a status port 732 for transmitting status information, and an interconnect port 731 for transmitting data to the system control section 9 from the communication control section 7 to the system control section 9.
It has an interwoven request terminal 733 for making a request.

In addition, the status port 731 sets data to the output port 760 when Do=gl, and Dl=1.
When the data set is input to the input boat 761, D
When 2=1, it indicates an idle state where neither transmission nor reception is in progress.

Next, commands and responses exchanged between the communication control section 7 and the system control section 9 will be described.

(a) Command Commands for requesting the communication control unit 7 to perform various functions from the system control unit 9 are composed of the code strings shown in Table 17.

(b) Response The communication control unit 7 responds to the command from the system control unit 9.
The response when the command is accepted is made up of the code strings shown in Table 18, and the response when the command is not accepted is made up of the code strings shown in Table 19.

(C) -ff cloak, response type command,
The types of responses are shown in Tables 20 to 22.

Referring to these tables, (1) Function Nll: Document Sen)
.

In order to transmit a document stored in a file, the system control unit 9 passes the document to the communication control unit 7. At the beginning of the document code string,
The dial number of the destination is attached.

(iD Function Ugly 2: Document Receive The system control unit 9 receives the document received by the communication control unit 7. This function takes precedence by a response, and requests interrelated when the communication control unit 7 receives the document. In response, the system control section 9 specifies the thermal printer 6 or the external storage section 5) (sends a command accompanied by a parameter).

(iii) File/Function-3: Real-time clock (RTC) in the RTC set communication control unit 7
Set the date and time to .

(ly) 777 function Na4: Read the date and time of the real-time clock in the RTC read communication control unit 7.

(■) Function m5: Self-test communication control section 7
Perform a self-test.

Next, the CCU interface program will be described.

29 to 62 show the background program,
Foreground program, interwoven routine, C
FIG. 3 is a flowchart showing input/output instructions for commands and responses in a CU receive routine.

(a) Foreground routine Referring to FIG. 29, (+) In the case of CCU idle When the communication control unit 7 is in the idle state, when the background routine (CCU message receiving program) is in the wait state It is.

In this case, the foreground routine can freely use the interface unit 76 to exchange commands and responses.

At this time, the communication control unit 7 must not respond to calls from the line until the processing of the function is completed.

(ii) When the CCU is not idle If the communication control unit 7 is not in the idle state, the communication control unit 7 is sent to R to M7.
This is the case when there is a received document in 2. It is not idle while transmitting, but no commands are sent from the foreground routine while transmitting.

In this case, the foreground program is
CCU polling (MP/
(see M), during which the background program exclusively uses the interface section 73 to receive and receive received documents.

Qli) In case of cancel response This response occurs when the communication control unit 7 becomes busy immediately after sensing that the foreground routine is in the CCU idle state.

In this case, in order to prioritize the operation of passing the received document to the system control unit 9, the communication control unit 7 sends a cancellation response in response to a command from the foreground program.

(b) Background program Referring to FIGS. 30 and 31, the background program is
Although it resides in the RAM'910, it is stored in the FLAGW until a request to output the received document is made from the communication control unit 7.
AIT (see MP/M) condition.

Then, as shown in FIG. 61, when there is an interwoven request, the interwoven routine reads the response and sets the FLAG, thereby taking the background program out of the wait state and ink-face section 73. is used exclusively to receive the received document from the communication control unit 7.

(c) CCU Receive Routine Referring to FIG. Clear the condition.

The foreground routine may send a command just before clearing the CCU idle, so wait for a certain period of time, for example 40 rh see, check if the command is sent, and if the command is sent, send a cancel response. .

If the command is not sent, a response to the print request is sent to the system control unit in an interactive manner, command t-'1 is taken, the received document is sent, and the CCU idle is set.

By configuring the hardware and software in this way, it is possible to bypass conflicts in the command and response interface section 73 between the CCU message sending program and the CCU message receiving program.

Since the system control unit 9 is configured to execute system control based on general-purpose software as described above, when this communication terminal device is combined as part of office automation, it is possible to easily unify the control of each device. becomes possible.

Next, the order of operation of the communication terminal device configured in this way will be described with reference to FIG. 63 as well.

(1) Pre-operation (STEPI to 3) Turn on the main switch of the device with the O8 of the system control unit 9 set in the floppy disk i FDD 51 storing the file maintenance program, etc.

As a result, the OS, file maintenance program, and CCU message receiving program are loaded into the DRAM 910 of the system control unit 9, and the device becomes operable and ready for reception.

Then, set the floppy disk in the FDD52,
Check if keyboard 1 can be operated.

(2) Document creation or modification (STE
P4-12) Determine whether or not to use the files on the set floppy disk, and if the files on the set floppy disk are not to be used, replace and set the floppy disk with the target file managed.

Then, by operating the keys on the keyboard 1, the name of the editing program (word processing program and display output program) is input.

As a result, the word processing program and the display program are read from the files on the floppy disk to the DRAM 910 of the system control unit 9 and executed, allowing the document to be created or modified.

Therefore, while looking at the character display 2, the user operates the keyboard 1 to input a file name, specifies the format, and displays the target file on the character display 2.

Thereafter, by operating the graphic character keys, keys related to format control, etc. on the keyboard 1, the input text and format are displayed on the character display 2, so that the document can be created or modified on the character display 2.

When the creation or modification of the document is completed, by pressing the EQF key on the keyboard 1, information regarding the created or modified document is filed on the floppy disk.

(3) Sending the document (STEP 3-19)
) Determine whether or not to transmit the document in the file on the set floppy disk, and if the file on the already set floppy disk is not to be used, replace it with the floppy disk on which the target document is stored and set it.

Thereafter, by pressing the SEND key on the keyboard 1, the CCU message sending program is read into the DRAM 910 of the system control unit 9 and executed.

Therefore, by operating the keyboard 1 while looking at the character display 2 and inputting the file name and destination dial number, the target document is transmitted to the other party.

(4) Document printing (5TEP20-24) Determine whether to print the document in the file on the set floppy disk, and if the file on the set floppy disk is not used, print the floppy disk containing the target document. Replace and set the disc.

Then, by pressing the PRINT key, the print output program is transferred to the DRAM of the system control unit 9.
910 and executed.

Then, by operating the keyboard 1 while looking at the character display 2 and inputting a file name, the target document is printed on recording paper.

In addition, keyboard 1. It goes without saying that the configurations of the character display 2, thermal printer 6, external storage section 52, communication control section 72, line termination device 8, and system control section 9 are not limited to the configurations of the above embodiments.

Further, in the above embodiment, the communication terminal device according to the present invention is configured as a document creation terminal device capable of international communication, but it can also be configured as a document creation terminal device or videotex capable of communication in Japanese. , and can also be configured as a communication terminal device in a composite form.

As described above, according to the present invention, the operability, reliability, high speed, and versatility of a communication terminal device having a document editing function and a communication function are greatly improved.

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 105-9 Table 10 Table 10 Table 11 Table 12 * 111SNL for specification Also equipped with aCR, LF@y'J @Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view showing the external appearance of a communication terminal device embodying the present invention, FIGS. 2 and 6 are block diagrams showing the hardware configuration and software configuration thereof, and FIGS. 4 and 5 is a layout diagram showing the layout of various keys of the keyboard unit in FIG. 2 and a block diagram showing the configuration of the keyboard control section; FIGS. 6, 7, and 8 are the parallel/serial conversion I10 in FIG. Figures 9, 10, and 11 are diagrams showing the status format, mode command format, and command command format of Figure 6 (7), respectively.
12 is a block diagram showing the configuration of the character display shown in FIG. 2, and FIG. 16 is a diagram showing the character generator shown in FIG. 12. FIG. 14 is an explanatory diagram showing a graphic fist character code used to explain the CRT control program in FIG. 3. FIGS. 15 and 16 are a display control routine and its display information conversion. A flow diagram showing the routine, FIG.
FIG. 18 is a block diagram showing the configuration of the thermal printer shown in FIG. 2. FIGS. 19 and 20 are the printer control program shown in FIG. 3. FIG. 21 is an explanatory diagram showing different examples of character configuration blocks of the character generator of FIG. 18, and FIG. 22 is a graphic Φ character control code used for explanation.・Explanatory diagram showing the characters. FIG. 26 is a block diagram showing the configuration of the communication control unit and Terauchi line termination device in FIG. 2. FIG. 24 is a flow diagram showing the overall outline of the CCU control program in FIG. 6. Figures 25, 26 and 27 show the CCU of Figure 24.
Flowchart showing the initialization routine, document send routine, and document receive routine; FIG. 28 is a block diagram showing the configuration of the system control section in Figure 2; FIGS. 29, 60, 61, and 32. is the 29th
A foreground program, a background program, and an interwoven routine to explain the system control unit shown in the figure. Flowchart of CCU Receive Routine FIG. 66 is a flowchart showing the basic operating procedure of this communication terminal device. 1...Keyboard 2...Character display 6...Thermal printer 4...Main body 5...External storage section 7...Communication control section 8...Line termination device 9...System control section 11...Keyboard unit 13...Keyboard control unit 21...CRT display 23...CRT control unit 31...Thermal recording unit 36...Flinter control unit 51.52...FDD5
3...FDD control section Figure 7 Figure 8 Figure 26 Figure 27 Figure 29 Figure 30 Figure 31 Figure 32 Procedural amendment (from ¥,) March 1985 ll Japan Patent Office Commissioner Young Mr. Kazuo Sugi! , Indication of the case Japanese Patent Application No. 56-212194 2, Name of the invention Communication terminal device 3, Person making the amendment Relationship to the case Patent applicant 1-3-6 Nakamagome, Ota-ku, Tokyo (674) Ri Co., Ltd. Co-4, Agent 1-20-5 Higashiikebukuro, Toshima-ku, Tokyo 6. Contents of amendment (1) rDcEJ on page 4, line 9 of the specification is amended to read "Circuit terminating equipment I (DCE) II." 2) In the same book, page 5, lines 10-11, “In addition,...
・It is configured. Delete j. (3) r letter rA on page 22, lines 10 and 12 of the same book
J J is corrected as ``character ``λ'' j. (4) “070 in Figure 10” on page 24, lines 8-9 of the same book
77F" is corrected to "O10-7/F in column 7 row of FIG. 10 (hereinafter, the wording "in column 7 row" will be omitted). (5) Same book, page 34, line 13 +7) rcPU231J
&, 1rcPU230Jl and correction t! . (6) The FCRT controller 239 inserts j at the appropriate timing between the r character data on the last line of page 35 of the same book and the basic character j. (7) In the same book, page 39, line 5, [4 bytes j-transformed, corrected to "3 bytes". (8) The "letter 'A'" on page 40, line 16 of the same book is corrected to "the letter 'enter'". 2-(9) Since the rFDD control section 53 in lines 5 and 6 of page 65 of the same book is a part of the system control section 9, "" of the FFDD control section 53 is corrected. (10) "Document Send" in lines 1 and 2 of page 67 of the same book is corrected to "Document Receive." (11) At the end of page 71 of the same book, [The configuration J of the system control section S is corrected to the configuration j of the r system control section S and the FDD control section 53. (+2) rFDD control unit 53, page 72, line 10 of the same book.
...Delete "Shidaru". (13) The following statement is inserted between lines 7 and 8 of page 73 of the same book. "The FDD control section 53 consists of an interface unit 93, a universal DMA unit 94, an FDD controller formatter unit 95, and an FDD interface unit 96." (14) "System control section" on page 75, line 2 of the same book. "and FDD control unit 53" is inserted between "S" and "at". (15) [System control unit 7] in the 8th line of page 88 of the same book is corrected to ``system control unit 9j.'' (16) ``Communication control unit S'' in the 9th line of the same page of the same book is changed to ``Communication control unit 7” is corrected. (17) [System control unit] on page 117, line 10 of the same book
Insert "and FDD control unit j between" and "configuration of". (18) Figures S, FIG. 10, FIG. 11, FIG. The corrections will be made according to the corrected drawings attached to this document. 7. Attached documents Corrected drawings (Fig. 9, Fig. 10, Fig. 11. Fig. 14, Fig. 19, Fig. 22) 1 copy

Claims (1)

[Scope of Claims] 1. A communication terminal device having a document editing function and a communication function configured by the following (a) to (f). (b) Document creation 2 Input character information, format information, and control information necessary for document transmission and system control, and character information conversion command information that instructs conversion of the character information to predetermined character information, and Text information entered based on the input results of information such as. (u) a keyboard that outputs format information, control information, and converted character information obtained by converting input character information; (u) a keyboard that outputs character information, format information, and control information necessary for document creation and display control; A display for inputting character information conversion command information that instructs conversion to character information, and displaying the input character information and converted character information obtained by converting the character information based on the input results of this information (c) A printer that inputs created document information, received document information, format information and control information necessary for recording control, and records the created document information and received document information on recording paper based on these information. an external storage unit that inputs document information, received document information, and control information necessary for storage control, and stores the created document information and received document information based on these information; (e) stores document information; It has a storage means, inputs transmission document information and control information necessary for transmission control, and locally transmits the created document information based on these information and receives document information sent from the other party's communication terminal device. a communication control unit that controls independently of the operation and outputs reception information indicating that the received document information has been stored in the storage means; (f) character information from the keyboard, converted character information;
a system control unit that inputs format information, control information, and information received from the communication control unit, and controls the display, printer, external storage unit, and communication control unit based on general-purpose software;