JPS60136823A - Printer - Google Patents

Abstract

PURPOSE:To prevent the printing of a punctuation mark or the like on the head of a line by discriminating whether the line feed restoration of a carrier is to be executed before or after the printing of the initial keyed character inputted over a right margin in accordance with the initial keyed character. CONSTITUTION:A control device 2 constituted of a microprocessor controls the operation of a printer 3 in accordance with a signal inputted from a keyboard device 1 and stores and accesses respective kinds of information in/from a storage device 4. When an automatic line feed restoration mode setting key MK mounted on the keyboard device 1 is depressed, the control device 2 detects whether the carrier exceeds the right margin or not every succeeding key input, and if the carrier exceeds the right margin, discriminates whether the key input is a period or not. In case of a period, the control device 2 controls the printer 3 so that line feed restoration is executed after printing the period. When the key input is not a panctuation mark, the input character is printed after line feed restoration.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to a printing device, and particularly to a printing device suitable for use in an electronic typewriter or the like having a carrier automatic line feed return function.

[Prior art]

In conventional typewriters, the carrier returns to a new line by pressing the return key after each line. However, in recent years, so-called electronic typewriters, which are electronically controlled using microprocessors, have a function that automatically returns the carrier to a new line when printing reaches close to the right margin without pressing the return key. Now, the operator can perform key operations continuously without worrying about the position of the right margin.

However, on such conventional electronic typewriters, in languages such as Japanese and Korean that allow line breaks at any position between the characters that make up a word, the right margin is A line feed return is automatically performed after printing up to It has the disadvantage that it may be printed.

〔the purpose〕

Therefore, in view of the above-mentioned shortcomings, an object of the present invention is to read the next key input before returning to the line so that special characters such as periods and commas are not printed at the beginning of the line, and if the special character is a special character, it is printed at the end of the line. To provide a printing device that returns to a new line after printing.

〔Example〕

Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an example of the system configuration of an electronic typewriter to which the present invention is applied. Here, l is a keyboard device, and the keyboard device l has character symbol keys CK, space key SK, return key RK, and a carrier. It is equipped with function keys such as a mode setting key MK and a margin setting key JK for driving the automatic line return return function of the machine, and by operating these keys, a corresponding signal is output to the control device λ. Reference numeral 3 denotes a printing device that drives a carrier in the main scanning direction with respect to printing paper and prints characters, symbols, etc. input from the keyboard device 1.

The tag is a storage device and can store various pointers and flags indicating margin positions, carrier positions, etc.

In addition, the control device 3, which can be configured with a microprocessor, controls the operation of the printing device 3 according to signals input from the keyboard device 1, and also stores and retrieves various information from the storage device DA. At the same time, when the automatic line feed return mode setting key MK provided on the keyboard device L is entered, it is detected whether or not the carrier has exceeded the right margin each time the next key is pressed, and whether or not the carrier has exceeded the right margin is detected. If the key input is a period, it is further determined whether or not it is a period, and if it is a period, it is printed and then a line feed is returned, and if it is not a period, it is directly returned to a line and then the input character is printed. .

FIG. 1 shows a processing procedure for returning the carrier to a line feed in the automatic line feed return mode as described above in the control device. This processing procedure is used as an example for a Japanese electronic typewriter to control printing of punctuation marks at the beginning of a line! It shows a.

First, each time a key input is made in step By, 9g
, it is determined in step S2 whether the carrier exceeds the right margin, and until the carrier exceeds the right margin, input characters are printed as shown in step S3 and SlI.
Repeat carrier cloth speed.

However, if the carrier exceeds the right margin, step S! Proceeding to step f, it is determined whether or not the next key-input character is a punctuation mark, and if it is not a punctuation mark, the input character can be printed as the first character of the next line, so in step S6 the carrier is returned to a new line).Step S3 Then, in S da, the input characters are printed at the beginning of the next line and the carrier cloth is sped up. If the character input in step S9 is a punctuation mark, the punctuation mark is subsequently printed in step S7 so as not to be printed as the first character of a line, and the carrier is returned to a new line in step Sg.

[Effect] ゛As explained above, according to the present invention, in a printing device that is capable of automatically returning the carrier to a line feed at a position near the right margin, the first key input character input beyond the right margin The automatic line feed return mode is set so that it is determined whether the 1 carrier should be returned to a line after printing this key input character, or whether it should be immediately returned to a line and then printed, depending on the type of character. This eliminates the inconvenience that special characters such as periods and commas are printed at the beginning of a line in writers, and allows the operator to perform continuous key input without worrying about the printing position. I can do it.

[Brief Description of the Drawings] Fig. 1 is a block diagram showing an example of the system configuration of an electronic typewriter as an example of the printing device of the present invention, and Fig. 2 is a block diagram showing an example of the system configuration of an electronic typewriter as an example of the printing device of the present invention. 70-chart showing an example of a processing procedure. /...keyboard device, ko...printing device, 3...storage device, 4'-ffi[l□,,,, ward! -10K...Character symbol key, 8K...Space key, Tsuka RK...Return key, MK...Mode setting key, JK...Margin setting key. Patent applicant Canon Co., Ltd.

Claims (1)

[Claims] A mode setting means for automatically performing a line feed return in the vicinity of the right margin; and a mode setting means for automatically returning a line in the vicinity of the right margin; means for determining whether the key input is a key input, and if the key input is a key input near the right margin, further determining whether the key input is a special character input; 1. A printing device comprising means for printing said special character and then returning to a new line when it is determined that a special character has been input. (Hereafter, margin)