JPS61120272A - Document processor - Google Patents

Abstract

PURPOSE:To attain the input and retrievel even with a word containing some unknown characters by providing a function to retrieve a word dictionary with a word with some characters excluded from a character string. CONSTITUTION:A CPU20 controls a ROM21, RAM22, display 9, keyboard 10, 1-character buffer 29a printer part 23, and an SVC24, etc. via a bus line 26 and at the same time transfers data with those parts. The SVC24 controls a dictionary part 25 consisting of a fixed dictionary and a USER dictionary. When a character string includes some unknown characters, the area of these unknown characters is converted into the specific code. Then the relevant character string is supplied through the keyboard 10. Thus the SVC24 retrieves a character string excluding those unknown characters through the part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a document processing device, and particularly to a document processing device having a function of verifying input characters and symbol strings.

[Prior Art] Conventionally, this type of electronic equipment has a function of determining whether an input character string is a meaningful word character string (hereinafter, a means having this type of function is referred to as a spelling verifier Sv). ) is increasing in number. S like this
In v, standard word dictionaries (hereinafter referred to as fixed dictionaries) stored in internal ROM and word dictionaries that can be registered independently by the user (hereinafter referred to as USER dictionaries) can be written to or read from RAM at any time.

However, since such 87 function simply indicates whether the input word itself is in the dictionary, it did not work unless at least a complete word was input. but,
Even if a user of a document processing device forgets part of a word when inputting a word with a large number of characters, he or she will remember the entire word just by displaying unknown characters, but the conventional SV type described above Since the function does not have an associative search function, it was not possible to make full use of its 87 functions.

On the other hand, with the 87 function, in addition to the fixed dictionary stored in the ROM, a large amount of unique words frequently used by the user must be stored in the RAM, but the integrity of the data in the RAM becomes a problem, especially for document processing. The conventional method of monitoring the voltage of a backup power supply to maintain stored data when the device is not in use has been unsatisfactory in verifying the integrity of the stored data itself.

[Purpose] The present invention has been made in view of the drawbacks of the above-mentioned conventional examples, and its purpose is to provide a document processing device having a function of searching a word dictionary section using words excluding some characters of a character string. It is in.

[Embodiments] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, the document processing device to which the present invention is applied is an electronic typewriter (hereinafter referred to as ETW).
ype Writer) will be explained based on FIGS. 1 and 2. ■ is the platen knob, which is used when manually loading paper or finely adjusting the printing position in the vertical direction. When the knob 1 is pushed inward, it is disconnected from the internal drive pulse motor and the knob 1 can be rotated manually. paper support 2
is a paper guide plate, which is used to ensure that the printed side faces the operator even when using thin paper. The page end indicator 3 is an indicator that indicates the length to the end line of the paper, and the operator adjusts the indicator 3 vertically as shown by the arrow in advance according to the vertical length of the paper. When the top edge of the paper that comes out reaches the scale position of the indicator 3, the length of the paper to the end line can be known.

The release lever 4 is used to remove a pinch roller disposed at the bottom of the platen from the platen and manually correct the inclination of the sheet. The soundproof cover 5 is provided to suppress the impact sound of impact printing, and since it is molded from transparent acrylic, the printed characters can be seen through the soundproof cover 5. When changing the typeface or replacing the ribbon cassette, open the upper cover 6 by rotating it backwards and replace the type wheel loaded in the carriage section or the ribbon cassette.

This ETW has four types of horizontal printing pitch: 10 characters per inch, 12 characters, 15 characters per inch, and proportional spacing in which the printing pitch changes depending on the size of the type. The scale 8 has three graduations carved at 10-character pitch, 12-character pitch, and 15-character pitch, and the carriage indicator 7 is composed of three lamps such as LEDs, and is mounted on the carriage and is connected to the keyboard. 1
The carriage position is indicated on the scale 8 by lighting the lamp corresponding to the specified pitch from 0.

The display unit 9 displays or outputs data input from the keyboard 10 or voice input (not shown) in a 20-digit DISPLAY. The keyboard 10 includes a character key group 10a for inputting characters and a control key group iob and l arranged on both sides of the character key group 10a.
Consists of oc.

Next, the keys and indicators shown in FIG. 2 that are particularly relevant to the present invention will be explained. Reference numeral 11 denotes a REWRITE key, which is a key related to one embodiment of the present invention. 12 is the FIND (search instruction) key, 13 is the NEXT key to instruct the search for the next word, and 14 is the search in ascending order (
This is a lock type FWD/REV key that instructs to perform in descending order (REV) or in descending order (REV). A MEMORY lamp 15 indicates that there is a problem with the validity of the data in the RAM memory of the USER dictionary section. It is also possible to issue an audio warning. Reference numeral 17 is a RETURN key for starting printing of characters displayed on the display section 9. Reference numeral 18 denotes an OK primary key which instructs to authenticate the word searched from the dictionary section and displayed on the display section.

FIG. 3 is a block diagram of the ETW of this embodiment.

11: TW CPU 20 is a CPU (central processing unit) unit that performs overall control of this embodiment. ETW CPU
20 is connected to ROM 2 l and RAM via a pass line 26
22, Display section 9, Keyboard 10.1 Character buffer (B
F) 29, printer section 23 and 5VC (SV Cont
The path line 26, which exchanges data while controlling the controller 24 and the like, includes a data bus, a control path, and an address path (not shown).

5VC24 is a fixed dictionary (R
OM) and a USER dictionary in which the user can freely register/delete proper nouns unique to him/her, such as personal names, etc., is controlled. On the other hand, the USER dictionary is equipped with a backup power supply 27 for data retention.

Next, functions specific to this embodiment will be explained using FIGS. 2 and 3. The first function is related to the operation of verifying whether the data stored in the USER dictionary is valid and whether there are any data omissions. The conventional method of monitoring and checking the output voltage of the backup power supply of the USER dictionary does not provide certainty about data integrity, especially in the early summer when the USER dictionary is used after the main power has been turned off for a long time.

Therefore, after turning on the main power, ETW CPU 20
The check code stored at a predetermined address in the SVC 21 and the address in the USER dictionary where the same code is stored are sent to the SVC 24, and the SVC 24 checks the address specified by the sent address. USER
Read the contents of the dictionary, read out the data and ET%1cpu
Check the code sent by 20, and if it matches, it will be US.
The data in the ER dictionary is judged to be valid, and if the data cannot be verified, it is assumed that there is some kind of abnormality in the backup power supply 27. From then on, the use of the USER dictionary section is prohibited and only the fixed dictionary section is used for normal spell checking. It is used as a dictionary or as a dictionary search for unknown words, which will be described later. At that time M
The EMORY lamp 15 will light up or a voice warning will be given.

The second function of the present invention is a function of displaying all similar words from the dictionary section 25 in order at the position of the word on the display section 9 when the user forgets part of a word.

That is, when there is an input sentence like the one shown in Figure 4(a), “wo
If you forget the second letter of the word "rd", first write "?" in the second position as shown in Figure 4(b). ” and “v
? Enter “rd''. Then press the FINO key 12.
By pressing the FIND key 12, the 5VC 24 searches the dictionary for a word (word, word, etc.) in which all characters except the second character of the input word (w?rd") are the same, and sends it to the ETW CPU 20. CPO20
These are displayed in order, for example, as shown in FIG. 4(C). The sequential display is prompted by pressing the NEXT key 13. The search order in the dictionary is determined by the pressed state of the FWD/REV key 14.

When the desired word is found, the user presses the OK key 18 to authenticate the word currently displayed as the official input word.

As a third function, if there is no such word in the dictionary, or if similar words are displayed in order but the desired word is not found, the word before the word is displayed as shown in Figure 4(d). Flip the video of the space or the entire word (Figure 4)
d) Then w? (The letters rd are displayed in a square.)
and display it.

Furthermore, when printing that part, the unknown character part is converted to a space or a special character and printed as shown in FIG. 4(e).

The trigger for starting a word search is when the above-mentioned FIND key 12 is pressed or at the end of a character string that contains a "?" character in the middle.
There are two possible cases when the space key is pressed. However, when starting the search with a “space°” at the end of a character string, the search begins with “°” at the end of a question sentence. ” mark will also start a search. Therefore, in order to eliminate this inconvenience, the °°?°′ character, which has the meaning of an unknown character, may be replaced with another special code.

Next, an embodiment provided with the above three functions will be described.

These three functions do not need to be provided in one device at the same time, and at least the first function can be performed independently.

FIG. 5(a) is a layout diagram of the RAM 22.
X'l MoIJ 30 L+ 1 force 1, -#TFX'l
-Otsumugi-t-2-, tJA location, line buffer (
LB) 31 corresponds to the display currently being input and displayed on the display section 9. Life (1)/<"777 Tea 6. FWD/REV FLAG32 is FWD/RE
A flag that reflects the low 2 state of the V key 14, NOT
FOUND FLAG33 Flag indicating that t-ksV could not find the search word 1, R
AM AVAIL FLAG3441SER Dictionary Department (7
) RAM (7) This is a flag indicating that the contents are valid.As long as this flag is set, the ME is a warning lamp.
MORYI 5 does not light up. ′? "Position register (hereinafter abbreviated as ?PR) 35 holds the relative position of ? in the line buffer 31 representing an unknown character. Print suppress (hereinafter abbreviated as PS) flag 36 indicates that a word containing an unknown character is in the dictionary. The unknown character part is a flag to suppress printing when the unknown character is not found.

The check code 40 in the ROM 21 shown in FIG. 5(b) is compared with the check code 61 in the USER dictionary when the power is turned on to verify the validity of the USER dictionary data.

41 is the ETW CPU 20 in FIGS. 9(a) to (b)
This is a part that stores control programs for control procedures such as those shown in FIGS. 10(a) to (d) and the left side of FIG. 11.

FIG. 6 is a block diagram of Sv. The Sv interface 45 connects to the ETW CPU 20 via the path line 26.
For example, in the part that interfaces with
8(a),(b)
The response of the SV control unit 46 to the ETW CPU g O is generated as shown in FIG. The Sv control unit 46 uses the program R
FIG. 9 (&) stored in OM47.

10(b) is a part that controls the entire Sv according to the control procedure program shown on the right side of FIGS. 10(a) to 10(c). Words to be compared sent from the ETW CPU 20 (comparison data in FIG. 7(b)) are stored in the comparison register 52 and read out from the fixed dictionary 51 or the USER dictionary 50 under the control of the memory control 49 for comparison. The comparison means 53 compares the data stored in the register 54 with the data stored in the register 54 . The position of the "?" character within a word is held in the MASK 56. The comparison means 53 does not compare the character positions specified by the MASK 56, and therefore, an associative search within the dictionary 25 is possible. Comparison results for characters other than those masked by MASK56 are NAT when searching the dictionary section.
CHFLAG57 is used to store RAM NOT AUAIL FLAG58 when verifying the validity of RAM.

The address counter 48 holds addresses for accessing the fixed dictionary 51 and USER dictionary 50. The count mode of the address counter 48 is FW[l/REV FL
It is determined by AG59 in ascending order or descending order. When the address counter 48 reaches the maximum address of the dictionary section or counts down to O, the END FLAG 60 is set. The write register 55 is the USER dictionary section 5
This is a register for rewriting the check code 40 stored in 0 to a more powerful code when the check code 40 is changed.

FIG. 7(a) shows the format of the command sent by the ETW CPU 20 to the 5vC 24. An instruction consists of an opcode part and an operand part. The operand section consists of a data section and an address section.

FIGS. 7(b) to 7(f) are five types of instructions particularly related to the present invention. For example, the WIL[] instruction shown in FIG. 7(b) is an instruction that stores the comparison data (including the ? character) in the data portion of the operand in the comparison register 52 and performs the above-mentioned search operation. The search result [returns to 120, i.e. 5V
During the search operation, if the C24 finds a matching word in the dictionary excluding the "?" character, it sets that word as search data (Figure 8(a)), sets the FOUND bit, and sends a search response (Figure 8(a)). 8 (a)) to ETW CPU 2
0 There is a note to return to.

NEXT command (Figure 7(e)), ! - is mentioned above (7) WI
When a word with matching characters other than the "?" character is found by the LD command, but the word is not what the user is looking for, this is a command to further perform 5VG24 to search for the word in the dictionary. When the FWD/REV bit in the operand section is off, the dictionary is searched in reverse order in response to the NEXT instruction.

The 5TOP command (Fig. 7(d)) is a command that causes the 5VC24 to stop searching when a desired word is found, for example.
In order to achieve the first function described above, the READ instruction in FIG. 7(e) reads the check code 61 in the USER dictionary 50 at the address indicated by the READ address of the operand of the READ instruction. L. This is an instruction to compare this check code with the check code of the operand section.

The 5TORE instruction in FIG. 7(f) is an instruction to rewrite the check code in the USER dictionary 50 when it is found that the check code in the USER dictionary 50 is corrupted as a result of the READ instruction. If writing is completed normally, the screen shown in Figure 8(b) will appear.
A 5TORE response is returned.

Next, the control procedure for executing the above-mentioned first function will be explained using the flowcharts shown in FIGS. 9(a) and 9(b). In FIG. The control procedure of the unit 46 is shown, and the arrow crossing the dash-dotted line represents the synchronization of the two control procedures.

When the ETW is powered on (step 70), the ROM
Read the check code 40 of the specified address in 21 (
Step 71), the read check code 40 is
The data is set as comparison data in the operand section of FIG. 7(e) (step 72). Also, in step 73, the USER dictionary 5
After setting the predetermined address of the check code 61 previously stored in 0 to the READ address of the operand section, a READ command is sent to the Sv interface 45 (step 74).

Upon receiving the READ command, the Sv interface 45 analyzes the command, and according to the command, the Sv control unit 46 sets the value of the address field of the operand in the address counter 48 (step 85).0 Next, the data field of the operand is compared with the register 52. Set it (step 86) and USE
The R dictionary 50 is read (step 87). The data (check code 61) read from the dictionary section is stored in the comparison register 54. Comparison means 53 compares comparison register 52 and comparison register 54 (step 88).
.

Since MASK56 is not used at this time, all characters of one word are compared. If the contents of comparison registers 52 and 54 match, MATC:HFLAG89 is set. Check this flag (step 89), and if it is not set, USE
It is determined that the contents in the R dictionary are not reliable, and the RAM
After setting NOT AVAIL FLAG 58, Sv prohibits access to the USER dictionary 50. NA
If TOHFLAG57 is set, set the FOUND bit of the READ response (Figure 8(b)) to 1 (step 90), step 92 ETIll the READ response.
The process returns to the main flow of sending Sv to the CPU 20.

ETW CPU that received the response to the READ command
20 responds to the FOUND bit of the response in step 75, and if the bit is not 1, the RAM AVAIL
Reset FLAG34, and if that bit is 1, R
Set AM AYAIL FLAG34 and return to the main flow.

Main floater, ETW side-? 'HARAM AVAI
MEMORY lamp 1 depending on the status of L FLAG34.
5 lights up to give a warning. RAM AVAIL FLAG
Needless to say, even if ETW 34 is reset and a warning is issued, the user can still use ETW and its 57 functions as usual within the range of the fixed dictionary.

FIG. 9(b) shows U during the above-mentioned verification cycle after power-on.
When it becomes clear that the integrity of the data in SER Dictionary 50 is questionable (i.e. ROW 21 and USER Dictionary 5)
If the check code 61 in the USER dictionary 50 is not written back to the predetermined code (when the check codes in 0 do not match), the USER dictionary 50 will become unusable again when the power is turned on for the second time or later.

This is the flow of REWRITE of the check code for that purpose.

When the REWRITE key 11 is pressed (step 77)
The check code 4o is read from the ROM 21 (step 78), and the read data is set in the data section of the operand as the store data shown in FIG. 7(f) (step 79). Also, check code 6 in USER dictionary 50
The address where 1 is to be stored is set in the address field of the operand (step 80), and in step 81 S
Sends the S↑ORE command to the v interface 45.

SV Baneface 45 received the 5TORE command.
analyzes the instruction, the Sv control unit 46 sets the store address in the address counter 48 (step 93), sets the store data in the write register 55 (step 94), and performs WRITE (step 95). Step 96 to return the store response in Figure (C)
Set the ACK bit to 1 and set ETW CPU 20 to 5
Sends the TORE response (step 97), returns to the main flow (Stella 7'98), and the ETW side that receives the 5TORE response also returns to the main flow.

In the above description of the first function, the check codes 40.61 in the ROM 21 and the USER dictionary 50 were compared, but the effect is the same even if the check code 40 is provided in the fixed dictionary. A check-only key may be separately provided on the keyboard 10 so that the check can be performed at any time, not only when the power is turned on.Furthermore, the check code can be checked using data at predetermined locations in some memory IC chips in the USER dictionary 50. Also, an error correction code such as a CRC code may be configured and written in advance, and then checked.

Next, we will explain the operation of the second function in Figures 10(a) to (d).
) will be explained according to the 70-chart. First, wait for keyboard input at step lOO. If a character key other than space is pressed, go to step 102 → step 1.
08 → Line buffer (LB) 31 at step 112
The words are stored one after another as words, and if there is an unknown character among them, the user inserts a "?" at that position (FIG. 4(b)). As mentioned above, the so-called “W” of this embodiment
The opportunity to start the "ild Card" function is "°?" on the way.
Two cases are assumed: the space key is pressed or the FIND key 12 is pressed at the end of a character string containing a character string. Wipe handle 1 outsen small “? ” This is to prevent characters from being treated as unknown characters.

If the FIND key 12 is pressed after the character string,
In step 104, it is checked whether "?" exists in the character string, and if it does not exist, in step 108, the well-known Spell
Since this function of performing word verification is not directly related to the present invention, a description regarding this function will not be provided.

When the character string includes “?°°” and the space key or FIND key 12 is pressed, the ETWCPU 20 executes “°” in the line buffer (LB) 31 in step 113.
? °° position? It is held in PR (? position register) 36. ? PR36 has l tin in one letter? Even if there are multiple positions of °゛? It can be held in order in PR36. Next, depending on the pressed state of the FWD/REV key 14, the seventh
The FWD/REV bit of the opcode part in FIG. ) is set in the data field of the operand as comparison data, and a Wild command is sent to the SV interface 45 in step 118.

The SV side that receives the Wild command shifts to Wild mode (step 200), and stores the comparison data in the comparison register 5.
2 (step 202), the SV control unit 46 sets the "?" character position in the comparison register 52 to the MASK 56 (step 204), the MASK 56 compares the comparison means 5 at the character position corresponding to the set character position.
3 comparisons are prohibited. In this way, high-speed comparison of arbitrary character strings excluding the "?" character becomes possible. Next, FWD
/REV FLAG59 in the opcode FWD/RE
Set according to the V bit (step 206). Next, in step 208, the subroutine "comparison search" (see Fig. 10)
d) Jump to ``.

The comparison search subroutine will be explained. Step 22
0, 224, 226 FWD/REV FLAG
The reason why the address counter is incremented by -1 or +1 according to the set state of 59 is to search in the dictionary one after another or to display the previously displayed search word again in reverse. After incrementing or decrementing the address by one, in step 228 it is checked to see if the END FLAG 60 is set to see if all words have been searched.

If the flag is not set, the address set in the address counter 48 is read (step 230), and the comparison means 53 is compared, and the comparison result M
Check the set state of AC CHFLAG 57 (step 232). If MATCHFLAG 57 is not set, return to step 220 and repeat the above flow.
Is the character string excluding the 11 character part found in the dictionary part?EN
Repeat until D FLAG60 is set. If found, the FOUND bit in FIG. 8(a) is set to 1 in step 234 and the process returns.

On the other hand, if the END FLAG 60 is set in step 228, that is, if the word does not exist in the dictionary section, the FOUND bit is set to 0 and the process returns. Return to step 236, and set the word as the search data of the search response only if the search word is found (
Steps 236, 240) Next, in step 242, ACK
The bit is set to 1 and the search response shown in FIG. 8(a) is returned to the ETWCPU 20.

After receiving the search response, the ETWCPU 20 performs step 12.
Check the set state of the FOUND bit at 0. If F.O.
If the UND bit is set, the searched word is moved to the corresponding word position in the line buffer (LH) 31 (step 122), and the display buffer 23a of the display unit 23 is moved.
It is also transferred to and displayed (step 124). At this time, words other than those desired by the user may be displayed as shown in FIG. 4(C).

On the other hand, if the FOUND bit is 0 in step 120,
NOT FOUND FLAG 33 is set (step 126), the space immediately before the word in LB31 is converted to @FF@ (step 128), and the word ( 7)
The mirror is changed to NEGATIVE VIDEO to alert the user (step 130).

In this way, if a word that matches at least excluding the "?" character is found in the dictionary section, that word is displayed on the display section to prompt the user to authenticate the displayed word, and conversely, if the word is not found, the word is It is possible to invert the display and prompt the user to perform the next operation.

Next, if the searched and displayed word is what the user was looking for, the user presses the OK primary key 8 to authenticate the word. That is, the flow is step 132→
139→140→142→143,,! -Shinmi, ETW
The GPU 20 sends a 5TOP command to make the 5VC 24 return to step 200, and at the same time jumps to step 120 and inputs the next word (Q).

On the other hand, the key input in step 132 is the NEXT key 13.
Teare Jf, ETWGPU20 is step l 44
FWD/REV FLAG32 Figure 7 (
C) Sets the F[]/REV bit, issues a NEX command to the Sv interface 45, and returns to step 120.

5VC24 that received the NEXT command goes to step 252.
-1? The FWD/REV FLAG 59 is reset and the process jumps to the comparison search subroutine of step 208 (FIG. 10(d)). Since the subsequent flow has been described above, it will be omitted, but each time the NEXT key 13 is pressed, the above-described flow is repeated to search the dictionary section and display them one after another on the display section.

If the FIIO/REV key 14 is pressed in the middle (Sterap 132, 134), FWD/REV FLAG
When the NEXT key 13 is pressed after inverting 32 and 0, the count mode of the address counter 48 becomes countdown, so that the previously displayed word can be displayed again. The purpose of step 139 is NEXT key 1
It is possible that NOT FOUND FLAG33 is set by pressing 3 several times, but if the user remembers the correct word during the process, pressing OK primary key 8 confirms that the user has authenticated that word. This is to return the above-mentioned @FF F@ to a space code.

Next, if you cannot find the word you are looking for in the dictionary section,
Explain the functions of. In such a case, if EN[] FLAG60 is set without being in the dictionary section from the beginning, and END FLAG60 is set while pressing the NEXT key.
It is possible that N is set, but in either case, N
OT FOUND FLAG33 is set.

If NOT FOUND FLAG 33 is set, the words of the reverse video are displayed on the display section 9. This: -? l'FWD/REV $ -14,01l-
-18, NEXT+-13 is pressed as described above. Next, the case where the data key is pressed in step 132 will be explained.

First, in step 136 NOT FOUND FLAG3
Check whether 3 is set. This is because input of the next data is not permitted unless the user performs an authentication action (for example, OK primary key 8 or print as described later). That is,
If NOT FOUND FLAG33 is not set, a warning will be issued in step 138 and the next key input will be waited for.
NOT FOUND FLAG33 is set-C”
If you do, step 140-C'SVC24 s'ro
Sending p command 1. N.

The T FOUND FLAG 33 is reset (step 142) and the process returns to step 100 to wait for the next word input.

That is, in this embodiment, pressing the next data key when NOT FOUND FLAG 33 is set is considered to be an authentication act.

On the other hand, when the RETURN key 17 is pressed in step 132, in order to print out the contents of the current line buffer (LB) 31, first in step 148, 5VC2
4 and executes the print subroutine (FIG. 11).

The print subroutine will be explained. This print routine is a flow that prints one line of LB31, but if the desired word is not found in the dictionary part mentioned above, the position of the unknown character is converted to, for example, a space (or other special character) and printed. It has a function.

Assume now that a character string as shown in FIG. 13 is stored in LB31. LB31 and print buffer (Pa) 23
The character position of a is specified by a buffer counter (BC) 28. First, in step 260, BC2B is set to 0. That is, LB31. Points to the beginning of PH23a.

Next, in step 262, L is stored in the one character buffer (BF) 29.
One character of B31 is read and it is checked whether this character is @FF@ in hexadecimal code (step 264). 13th
In the case of the character string shown in the figure, since the beginning is @FF@, the print suppress (ρS) flag 36 is set in step 280. The @FF@ part in BF29 is returned to a space (step 281), and the character is transferred to Pa23a (step 276).

Next, count up BG28 (step 278.
279) Read the next character to BF29 in the same way (
Step 262), the next character is “W”, so step 2
64→266→268, and in step 268 it is checked whether the PS flag 36 is set. PS flag 36
The purpose of checking is to print that character unconditionally if the PS flag 36 is not set.

In this case, since the PS flag 36 is set, the process advances to step 270. In step 270, the current character position indicated by BC28 is set in step 113 (Fig. 1θ (a))? Check whether it is equal to the value of PR35. In other words, the first in the village? is the character position.

By doing this, even if the "?" character position is converted to another character (for example, even if it is displayed as ward), that character part can be converted to a space (step 270), that is, FIG. In the case of the character string , the character following "W" is converted to a space (step 272). B
The characters in F29 are transferred to Pa23a.

The above operation is repeated until a space is entered in BF29 in step 266. When a space is entered, one word has ended, and the next word (in the case of FIG. 13) does not contain any unknown characters, so step 282 to reset the PS flag 36. In this way, the next word "WORD" is sent as is to Pa 23a, and the data sent to Pa 23a is sequentially printed by printer section 23.

In this way, unknown characters are converted to spaces and printed.

In this embodiment, unknown characters are converted to spaces, but the same effect can be obtained by converting them to other special characters that are easily noticed.

The second function described above is an embodiment of the function of searching while simultaneously displaying input characters, but it is also possible to execute the above search function while later calling up the document stored in the TEXT memory 30 one line at a time to the LB 31. The same effect can be obtained.

Also, as shown in Figure 12, when a special character (for example, the ? character) is added to the end of a word, the number of words in the word is limited to words with the character structure before the special character. By using the character processing device of the present invention, it is possible to input words one after another even if some characters are unknown, and the unknown parts can also be searched from a dictionary, allowing for efficient document creation and editing. It is possible.

[Brief explanation of the drawing]

Fig. 1 is an external view of an embodiment according to the present invention, Fig. 2 is a key layout diagram of the keyboard section of the embodiment, Fig. 3 is a block diagram of the embodiment, and Figs. 4(a) to (e) are FIG. 5(a) is an internal layout diagram of the RAM 22, and FIG. 5(b) is a layout diagram of the ROW 21. FIG. 5(e) is a layout diagram of the USER dictionary 50;
The figure is a block diagram inside the SVC24, Figures 7(a) to (f) are diagrams showing the instruction format from ETWCPU to SvC, and Figures 8(a) to (c) 4tSVC color ETWCPU
Figure 9(a) shows the ETW that checks the validity of the USER dictionary.
CPU and SVC flowchart, Figure 9(b) is U
Flowchart for re-storing a check code in the SER dictionary. FIGS. 10(a) to 10(d) are flowcharts for searching for words. FIG. 11 is a flowchart of the ETWCPU for printing the contents of the line buffer, FIG. 12 is a diagram showing another method of word search, and FIG. 13 is a diagram of the print character string in the line buffer. In the figure, 1o-*-Ho F, 11-...REwRxrE*
-112-FIND+-1l 3-NEXT+ -, 1
4.FWD/REV key, 15.MEMORY lamp, 17.RETURN key, 18.OK key.
20-ETWC:PU, 21・ROM, 22・
...RAM, 24...5VC125...Dictionary section, 2
7...Backup power supply, 31...LB, 35...
・? PR136...PS flag, 40.61...check code, 53...comparison means, 46...Sv control section, 45...Sv interface, 48...address counter. Patent applicant: Canon Co., Ltd. Figure 4 (G) ) Iow does the word 5pell
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? Figure 5 (0) Figure 5 (b) Fifth! ! ff (C) Figure 7 (G) Figure 7 (b) Figure 7 (C) Figure 7 (d) Figure 7 (e)

Claims (3)

[Claims] (1) An input means for inputting document data, a storage means for storing the input document data, an output means for outputting the document data stored in the storage means, a word dictionary section for storing a plurality of words, and a word dictionary for storing the word dictionary. a document processing device having a search means for searching, a part of characters of a first word inputted from the input means is inputted in a specific code and stored in the storage means; The document processing device is characterized in that by inputting , the search means searches the dictionary section for a second word containing characters other than the part of the characters of the first word stored in the storage means. . (2) Claim 1 characterized in that when the second word exists in the word dictionary section, the word is displayed on the display means.
The document processing device described in Section 1. (3) By inputting the second command using the input means,
3. The document processing apparatus according to claim 2, wherein the search means further starts searching for another second word.