JPH0141510B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an underline output device in a word processor or the like.

In recent years, electronic computers called so-called word processors, which have functions such as writing, proofreading, and editing, have been put into practical use. This type of word processor generally has an underline addition function that adds an underline below any character.

However, in conventional word processors, the underline is added at a fixed position below the character, so even if the line spacing (line break pitch) of the text changes, the underline is always drawn directly below the line. There was a problem in that it looked undesirable, especially when the lines were spaced far apart.

An object of this invention is to make it possible to always draw underlines in balanced positions according to the line spacing at that time even if the line break pitch changes.

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a block diagram of the part that determines the line feed pitch of a word processor printer, and 11 is the main body of the processor. When creating a text, the line break pitch for printing is specified by key input or a specific switch, and the selectable pitches are, for example, 10/40, 12/40, 14/40, 16/40, 18/
There are six types: 40 and 20/40 inches. This selected line feed pitch data is output via bus line B, directly to the pulse motor drive circuit 12 via gate G ₁ , and to the pulse motor drive circuit 12 via gate G ₂ and 1/2 circuit 13. Each is supplied. This pulse motor drive circuit 12 controls the line feed amount of a printer (not shown), and outputs a pulse P in accordance with input line feed pitch data. A pulse motor (not shown) that feeds paper in the printer rotates by the time width of this pulse P, thereby changing the amount of line feed. Further, the underline printing command U is supplied from the processor main body ₁₁ to the gate G1 as a gate signal via the inverter 14, and the underline printing command U is directly supplied to the gate _G2 as a gate signal. . The 1/2 circuit 13 is a circuit that halves the input line feed pitch data and outputs it.

Next, the operation of this embodiment will be explained with reference to FIGS. 2 and 3. FIG. 2 is a schematic diagram of the underline printing position, and FIG. 3 is a detailed diagram of the underline printing position.

First, when performing a change operation, the processor body 11
Line feed pitch data is output from the bus line B to the bus line B. If an underline is to be printed from now on, the processor main body 11 outputs an underline printing command U, and assuming that the specified line feed pitch is A, calculates the line feed amount up to the underline line based on this A. need to ask. However,
The underline is printed at 1 as shown in Figure 3.
This is done using an area for rows. In other words, assuming that the vertical dots of one character consist of 24 dots, and when adding an underline to the first line of the sentence, add one underline line between the first and second lines. A line is reserved, and an underline is printed using the pin at, for example, the 5th dot in this line. However, the processor body 1
The line feed pitch data A output from 1 is supplied to the 1/2 circuit 13 via the gate _G2 , which is opened by the underline printing command U.
This 1/2 circuit 3 is the input line feed pitch data A
is output as 1/2 value A/2 and supplied to the pulse motor drive circuit 12. Next, the above 1/2 circuit 13
The pulse motor drive circuit 12 is driven by the line feed pitch data A/2 determined by , the pulse motor rotates by A/2 pitch, and underline printing is executed. Next, line feed pitch data A is output again, and as above, 1/2 circuit 1
3 becomes A/2, and a line feed of A/2 pitch is performed to prepare for printing the second character.

On the other hand, during normal line feed, the underline printing command U is not output, so the gate _G2 is closed and the gate _G1 is open. Therefore, the line feed pitch data A is supplied as is to the pulse motor drive circuit 12, and a line feed is performed from the first line to the second line.

By configuring as above, when the line feed pitch is A, the distance between the bottom dot line of the first line and the underline is a, the distance between the underline and the top dot line of the second line is ar, and the line break pitch is A. As the line feed pitch increases to B and C, the line feed pitch becomes B/2 and C/2.
As shown in the figure, it changes like b and br, c and cr, and the underline is always drawn at a balanced position.

Note that although the above embodiments have been described by taking as an example the case of printing on a printer, it can also be applied to the case of displaying on a CRT display device. In the case of a CRT, the line feed pitch is adjusted by adjusting the amount of movement of the raster address instead of rotating a pulse motor.

As described above, according to the present invention, the position at which an underline is added moves in accordance with changes in the line feed pitch, so that an underline can always be drawn with good visibility.

[Brief explanation of drawings]

FIG. 1 is a block diagram of a part of the printer that determines the line feed pitch, FIG. 2 is a schematic diagram of the underline printing position, and FIG. 3 is a detailed diagram of the underline printing position. 11...Processor main body, 12...Pulse motor drive circuit, 13...1/2 circuit.

Claims (1)

[Claims] 1. A line feed pitch specifying means, and when an underline addition command is received, the line feed pitch specified by the line feed pitch specifying means is set to a line feed pitch for adding an underline based on the specified line feed pitch. 1. An underline output device comprising: a line feed pitch changing means for changing the line feed pitch; and an underline outputting means for performing a line feed and outputting an underline based on the line feed pitch changed by the line feed pitch changing means.