JPS63614A - Electronic equipment - Google Patents

Abstract

PURPOSE:To constitute the titled equipment so that a range of an effective surface of a coordinate input device can be determined freely by a user side, and can be aligned easily with a shape of an output screen, by correcting a coordinate of input information to match a size of the output screen, in accordance with a range designation of an input screen of the coordinate input device. CONSTITUTION:The titled equipment is provided with a coordinate input means (a) for inputting the input information by a coordinate value, an output means (b) for outputting the output information corresponding to the input information inputted from the coordinate input means (a), a designating means (c) for designating an effective coordinate range of the coordinate input means (a), and a correcting means (d) for correcting the coordinate value of the input information inputted from the coordinate input means (a) and outputting it to the output means (b), based on a data of the effective coordinate range which has been designated in advance by the designating means (c) and a data of a prescribed maximum output range of the output means (b). In this state, in accordance with a range designation of an input screen of a coordinate input device, the coordinate of the input information is corrected to match a size of an output screen. In this way, a range of an effective surface of the coordinate input device can be determined freely by a user side, and can be easily aligned with a shape of the output screen.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention particularly relates to an electronic device capable of outputting input information from a coordinate input device to an output device.

[Conventional technology]

Conventionally, coordinate input devices such as tablets have been used as input devices for computers, etc., and for example, electronic devices have been provided that display input information such as drawings and characters written on a tablet on the display screen of CO'4. There is.

(Problem to be solved by the invention) However, in such conventional electronic devices, for example, when the shape and size of the screen of the display device and the shape and size of the tablet are different, the figure drawn on the tablet There was an inconvenience that the output may be distorted.

The present invention eliminates the above-mentioned drawbacks, allows the user to specify the maximum length of the input screen on the coordinate input device, and allows the user to match the shape and dimensions of the input effective range on the output screen and the coordinate input device. The object of the present invention is to provide an electronic device that can draw and output accurate figures.

[Means for solving problems]

In order to achieve such an object, the present invention provides a coordinate input means for inputting input information in the form of coordinate values, an output means for outputting output information corresponding to the input information input from the coordinate input means, and an effective coordinate range of the coordinate input means. Based on a specifying means for specifying, data of an effective coordinate range specified in advance by the specifying means, and data of a predetermined maximum output range of the output means,
The present invention is characterized by comprising a correction means for correcting the coordinate values of input information input from the coordinate input means and outputting the corrected coordinate values to the output means.

(Function) In the present invention, in an electronic device having a coordinate input device such as a tablet, the coordinates of input information are corrected to match the size of the output screen in accordance with the range specification of the input screen of the coordinate input device. This allows the user to freely determine the range of the effective surface of the coordinate input device, and allows it to be easily matched to the shape of the output screen.

〔Example〕

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

FIG. 1 shows the basic configuration of the present invention. In Figure 1, a
b is a coordinate input means for inputting input information in the form of coordinate values, and b is an output means for outputting output information corresponding to the input information input from the coordinate input means a.

C is a specifying means for specifying the effective coordinate range of the coordinate input means a, and d is a specifying means that specifies the effective coordinate range specified in advance by the specifying means C and the predetermined maximum output range data of the output means. , a correction means for correcting the coordinate values of input information input from the coordinate input means a and outputting the corrected coordinate values to the output means. The output means outputs information such as graphics based on the output of the correction means d.

FIG. 2 shows a circuit configuration of an embodiment of the present invention. In FIG. 2, a CRT is a display device that outputs and displays graphics and the like as an output means, and for example, a general cathode ray tube display is used. The CPU is a central processing unit consisting of a microcomputer or the like as a correction means, and controls peripheral devices and processes such as calculations and logical judgments according to the present invention in accordance with the control procedure shown in FIGS. 3 and 4. KB is a keyboard as a specifying means, and has a function key "ENT" for specifying input effective range setting.

The ROM is a read-only memory, and stores in advance control procedures as shown in FIGS. 3 and 4, other necessary control procedures, error messages, and the like. The RAM is a random access memory, and includes various registers Xo, Yo, which stores information such as the valid input range entered from the keyboard KB and the results of calculations performed by the central processing unit CPU.
It has X + , '/r..., etc.

TAB is a coordinate input device (tablet), and when a stick-shaped finger is pressed on a flat plate, the coordinates of the pressed point are output to the central processing unit CPU. In other words, the coordinate input bag ff
i TAB has a structure that has a switch at each intersection of a plurality of conductive wires provided in the X direction and the Y direction, and scans each conductive wire in the X direction in time division, and uses the signal obtained from the conductive wire in the Y direction to Determine which position of the switch was pressed,
The coordinates of the pressed point are output according to the determination result. Therefore, various information such as figures and pictures can be input by hand using such a coordinate input device TAB.

Next, with reference to the flowchart of FIG. 3, a control procedure for specifying the effective input surface of the above-mentioned coordinate input device TAB according to the embodiment of the present invention will be described.

First, when the user presses the input key "ENT" to specify a range of the effective input surface of the coordinate input device TAB, the control procedure shown in FIG. 3 is started.

In step St, first, the coordinates of one point are input to the coordinate input device TA.
[Input from l, and in the next step S2, enter a new “ENT”
The coordinates (XO5yo) at the time the key is pressed are determined. Similarly, in steps S3 and S4, coordinates of another point (XI
, Yl) and confirm. This completes the above two points (XO
, YO) and (Xi, Yl) can be a rectangle whose diagonal is the line connecting (Xi, Yl) as the effective surface. Next, in step S5 and Sδ, it is checked whether the designated rectangle has the correct area. At this time, X0=X1 or YO
=, Yl, and if it is not a rectangle but a line segment, the process jumps to step S9, an error message is output on the display device CI'IT, and the process returns to step Sl to redo the input process. . If it is a correct rectangle,
In the next steps S7 and S8, the smaller value of the (x, y) coordinates of the two points is stored in the random access memory RAM area (register) XMIN%YMtH, and the larger value is stored in the same memory RAM. The data is stored in the area x 8, YMAX, and the process of specifying the effective surface is completed.

Next, referring to the flowchart in FIG. 4, the present invention will be explained in the case where the coordinate input from the coordinate input device TAB is outputted on the output screen when the effective surface is specified according to the procedure in FIG. 3. A coordinate correction procedure according to an embodiment will be explained.

First, in step P1, information on input coordinates X and Y is received from the coordinate input device TAB. Next, in step P2, it is determined whether or not the input coordinates X, Y are within the valid range set in the procedure shown in FIG. It is done using In this case, the input coordinates X, Y
If it is outside the valid range, no processing will be performed,
Finish the process. If the input coordinates X, Y are within the valid range, step P3. Go to line 8 in P4 to perform coordinate correction calculations. This correction calculation is performed using the following calculation formula, where the maximum coordinates of the display device CRT given in advance are SXMAX, SVMAX, and the screen coordinates (Sx, Sy) on the display device CRT are obtained.

At this time, since the brightness of the point on the display device CRT corresponding to the screen coordinates (Sx, 5Y) is changed, the point input from the coordinate input device TAB can be confirmed. In addition, the data of the pressed coordinates (x, y) is stored in the random access memory RA as the trajectory of the pressed point on the coordinate input device TAB.
The screen coordinates (SX,
SY) trajectory is displayed.

By repeatedly executing the control procedure of the correction calculation described above, the effective input surface of the coordinate input device TAB and the display device C are
It is possible to match the effective output surface of the display screen on the RT, and it is possible to display the subsequent input information of the coordinate input device so as to match the display screen.

Note that the output means is not limited to the display device CRT;
It can also be applied to printers, etc.

[Effects of the Invention] As described above, according to the present invention, in an electronic device having a coordinate input device such as a tablet, the coordinates of input information can be displayed on the output screen according to the range specification on the input screen of the coordinate input device. Since the correction is made according to the approximate size of the coordinate input device, the user can freely decide the range of the effective surface of the coordinate input device, and can easily match it with the shape of the output screen.

Therefore, according to the present invention, when inputting information such as accurate figures, pictures, etc. by hand, it is possible not only to easily remove distortion of the information such as figures between input and output, but also to input coordinates. If the effective area of the device is made smaller so that it matches the output screen, it can be used in a variety of ways, such as easily enlarging figures.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the basic configuration of the present invention, FIG. 2 is a block diagram showing the circuit configuration of an embodiment of the present invention, and FIG. 3 is a control of the embodiment of the present invention for setting the effective surface of the coordinate input device. Flowchart showing the procedure. FIG. 4 is a flowchart showing the correction control procedure according to the embodiment of the present invention when input from the coordinate input device is displayed on the display screen. TAB...Coordinate input device, CRT...Display device, B...Keyboard, CPU...Central processing unit, ROM, RAM...Memory. Shiba Sun Moon ψ Curtain * Composition 8 Ho Hirozu 0.77 Figure 1 Figure 1 Figure 1 Figure 2 Flowch V-t Fig. 4

Claims (1)

[Scope of Claims] 1) a) coordinate input means for inputting input information in the form of coordinate values; b) output means for outputting output information corresponding to the input information input from the coordinate input means; and c) the above. d) specifying means for specifying an effective coordinate range of the coordinate input means; d) specifying the coordinate input means based on data of the effective coordinate range specified in advance by the specifying means and data of a predetermined maximum output range of the output means; An electronic device comprising: a correction means for correcting coordinate values of the input information inputted from the input information and outputting the corrected coordinate values to the output means.