JPS5935444B2 - Graphic reading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a graphic reading device that inputs illustrated contents described on drawings into a computer, and particularly relates to operability, 5. extensibility,
This provides an inexpensive reading device that focuses on compactness.

The figure reading device has a configuration as shown in FIG. The position of the table soil at the tip is electromagnetically captured and read on table 1.
Calculate the absolute coordinate value from the origin using the calculation device 2,
It outputs to an output device 3 (here, the magnetic tape device 3 will be described as an example).

Now, in order to read the figure 15 information described on the drawing and process the figure with a computer, the position coordinates of the figure on the drawing
, Y, and the function of the figure are required at least. Currently, the following two methods are generally used to input this information. 20 (1
) Input method using magnetic pen and menu sheet.

As shown in FIG. 2, various functions are predetermined on the menu sheet 9, and the magnetic pen 5 is used to alternately indicate and input the menu sheet 9 and the entry position 25 of the figure 22 on the reading drawing 8. .

The computing device 2 reads the menu sheet 9 instructed by the magnetic pen 5.
The address i on the menu storage circuit 19 shown in FIG. 3 is calculated from the position coordinates of - in this example,
After editing the position coordinates X1 and yl of the figure, the fourth
Recording and output are performed on a formatted magnetic tape 10 as shown in the figure. (2) Input method using magnetic cursor 35 As shown in FIG. Each pushbutton 7 (e.g. a-e
) are associated with each of the menu storage circuits 19 shown in FIG.

When inputting graphic information, as shown in FIG. By pressing the button 7 (c in this case), the corresponding information is retrieved from the menu memory circuit 19, and the result as shown in FIG. 4 is output in the same manner as described above with reference to FIG. Among the techniques, method (1) is inexpensive, but since the magnetic pen moves twice for one reading, the user takes his eyes off the figure to be read each time, and the wiring pattern on the printed board As shown,
When reading continuous thin figures, there is a very serious problem that it is easy to get tired due to shifting of the figures, and furthermore, there are many reading errors. In method (2), the magnetic cursor itself is expensive and
Although it tends to be large, when you move the magnetic cursor, the attached pushbutton also moves at the same time, so you can align the magnetic cursor and select functions using the pushbutton at the same time, without taking your eyes off difficult-to-read shapes. It is very easy to operate because it only takes a few minutes. However, the number of pushbuttons (usually 5
-10 pieces), which has a major drawback in that the types of drawings that can be read are limited. In order to improve the above-mentioned drawbacks, the present invention is a system that uses both the magnetic cursor 4A and the function switching menu sheet 9A at the same time, as shown in FIG. 4A
We have improved operability as much as possible by doing this, and the lack of functionality due to the number of push buttons on the magnetic cursor 4A has been compensated for by providing functions that can be reassigned at any time using the function switching menu sheet 9A. It is something.

That is, the buttons on the function switching menu sheet 9A have the function of collectively changing the correspondence between the push buttons of the magnetic cursor 4A and graphic functions. Therefore, one of the push buttons 7 7A of the magnetic cursor 4A (see Figure 8)
is used for all menu items. That is, the menu memory circuit 19 stores various circuit functions corresponding to the combinations of function switching menu frame numbers (1) to (n) and pushbutton numbers as shown in FIG. Accordingly, the pushbutton for changing all menus of the magnetic cursor 4 is pressed to change the function. FIG. 10 is a block diagram of an embodiment of the present invention, in which 11 is a Y coordinate storage register, 12 is an X coordinate storage register, 13 is a state storage circuit, 18 is an arithmetic circuit, and 20 is an output control circuit. Before reading the graphic information, it is necessary to assign a predetermined function to each push button 7 of the magnetic cursor 4A.

For this purpose, first move the magnetic cursor 4A to the 7th and 1st
As shown by the dotted line in FIG. 0, move to the corresponding frame on the function changeover menu sheet 9A and press the menu change button 7A of the magnetic cursor 4A. In the state storage circuit 13, one flip-flop is assigned to each push button 7 of the magnetic cursor 4A, and when any one flip-flop is set, all the other flip-flops are set. The circuit configuration is reset. After the corresponding flip-flop is set by pressing the menu change button 7A, an interrupt signal 1N is sent to the arithmetic circuit 18.
T is issued. Due to this interrupt, the arithmetic circuit 18 generates a point address PADR, and the AND gate circuit 14
, 15 are opened and the current position of the magnetic cursor 4A is read from the X coordinate storage register 12 and the Y coordinate storage register 11. Next, the AND gate circuit 16 is opened, and the fact that the push button 7A of the magnetic cursor 4A is pressed is read from the state storage circuit 13. The arithmetic circuit 18 decodes this content and recognizes that it is the phase for changing the menu, and then calculates the frame number of the menu 1 in the menu storage circuit 19 in FIG. 9 from the current position coordinates of the magnetic cursor 4A. do. still,
The functions assigned to each push button in one piece number (1), (2)...(n) are assigned in advance to button number A.
, b, c, etc. must be determined according to the following. On the other hand, during normal figure reading operation, the 7th and 10th
As shown by the solid line in the figure, the center of the window of the magnetic cursor 4A is aligned with the figure 22 to be read, and the push button 7 corresponding to the function of that figure is pressed.

This action causes the flip-flop of the state memory circuit 13 to be set again and the interrupt signal 1 to the arithmetic operation circuit 18 to be set.
NT is issued. In response to this interrupt, the arithmetic circuit 18 generates a point address PADR, opens the AND gate circuits 14 and 15, and reads the current position of the magnetic cursor 4A from the X coordinate register 12 and the Y coordinate register 11. Next, the arithmetic circuit 18 opens the AND gate circuit 16, reads the pressed state memory circuit 13 of the push button of the magnetic cursor 4A, and then decodes this content to proceed to the normal figure reading phase. Recognize that.

The output editing process of the arithmetic circuit 18 in this phase is as follows:
As shown in FIG. 9, the menu frame numbers (1), (2), etc. given in the menu change phase, and the pushbutton number pressed in the current figure reading phase. Since the corresponding storage address of the menu storage circuit 19 is uniquely determined from A, b, . output to the magnetic tape 10 in the format. According to the present invention, as is clear from the above description, the following effects can be achieved.

1). When reading a figure, the operability is very good because the movement of the cursor to specify the position of the figure and the pressing of the button to specify its function can be performed almost simultaneously.

2). Since the functions of the pushbuttons can be arbitrarily reassigned from the outside, it can be installed in a small space, and moreover, it is possible to read a wide variety of drawings with a limited number of pushbuttons.

3). The function of the push button can be changed by moving the magnetic cursor and pressing the push button with a single touch, which requires very little effort.

4). Compared to magnetic cursors, which have a larger number of pushbuttons and a wider variety of functions, they are much cheaper and, moreover, are lighter, resulting in faster reading speeds.

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing the overall configuration of a general pattern reading device, FIG. 2 is a schematic diagram for explaining a conventional pattern reading method, and FIG. 3 is an explanatory diagram of its menu storage circuit. Fig. 4 is a diagram showing the output format, Fig. 5 is a schematic diagram for explaining another conventional figure reading method, Fig. 6 is an explanatory diagram of its menu storage circuit, and Fig. 7 is a diagram of the present invention. 8 is a perspective view of the magnetic cursor of FIG. 7, FIG. 9 is an explanatory diagram of the menu storage circuit of FIG. 7, and FIG. 10 is a schematic diagram of an embodiment of the present invention. It is a diagram. 1...Coordinate reading table, 4A...Magnetic cursor, 7...Push button, 8...
・Reading figure, 9A...Function switching menu sheet, 11, 12...Coordinate storage register, 13...
...State memory circuit, 18...Arithmetic circuit, 1
9... Menu memory circuit, 20... Output control circuit.

Claims (1)

[Claims] 1. A cursor that moves on the reading drawing placed on the coordinate reading table to specify the position of the figure written thereon, and two coordinate registers that memorize the position of the figure specified by the cursor. , a plurality of push buttons provided on the cursor to specify the function of a figure, a state memory circuit that stores the pressed state of the push buttons, and a correspondence relationship between each push button and the function assigned to it. A function switching menu sheet having a plurality of menu pieces for specifying a function, a menu storage circuit for storing the correspondence between each push button and a figure function for each of the plurality of menu pieces, and a figure specified by a cursor and a push button. and an arithmetic circuit for editing the position and function in a predetermined format, and when the cursor is positioned on the function switching menu sheet, it is determined that it is the menu switching phase, and the menu piece number corresponding to the cursor position is determined. The functions are reassigned to each push button according to the pre-stored correspondence between push buttons and graphic functions by calculation, and when the cursor is positioned on the reading drawing, it is the figure reading phase. A graphic reading device characterized in that the graphic reading device reads out a graphic function determined by a menu piece number specified at that time and a pressed push button.