JPH07160418A - Document preparing device and data input method - Google Patents

Abstract

PURPOSE:To accurately input data by securing stability at the time of pen input and preventing misinput due to a hand shake. CONSTITUTION:The display input part 14 consisting of a transparent type LCD 15 and a tablet 16 is fitted to a device main body 11 rotatably at two horizontal and vertical positions and so set that the tablet 16 is positioned on the surface when the part 14 is at the horizontal position. When a display input part 14 is drawn down to the horizontal position, a back light 13 is turned off, the LCD 15 is switched to a reflection type by using a reflecting plate, and inversion control over the LCD 15 is performed to enable data to be inputted through the tablet 16 at the horizontal position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a document preparation device such as a laptop type Japanese word processor, and more particularly to a document preparation device and a data input device capable of stable pen input in a pen input system using a tablet. Regarding the method.

[0002]

2. Description of the Related Art Conventionally, in a laptop type Japanese word processor, an LCD (liquid crystal display device) is rotatably attached to the main body of the device, and the LCD is in a state of being raised from the main body of the device (open state). The keyboard is located in the front.

Here, in addition to the keyboard, for example, there is one that enables input with a pen using a pressure-sensitive tablet. This is one in which a tablet is integrally attached to a display screen of an LCD to form an integrated display input device. In this case, since the tablet rotates together with the LCD, pen input is performed with the LCD raised from the main body.

[0004]

The pen input method is a method of inputting data by designating a specific position on the display screen with the pen or by writing the pen. Therefore, stable operation of the pen on the display screen is required. However, as described above, when pen input is performed with the LCD raised from the main body, the stability of the pen is very poor, and there is a problem that erroneous input is likely to occur due to, for example, camera shake.

The present invention has been made in view of the above points, and a document preparation apparatus which ensures stability during pen input, prevents erroneous input due to camera shake, and enables accurate data input, and The purpose is to provide a data input method.

[0006]

A document creating apparatus of the present invention comprises a transmissive liquid crystal display means and a tablet means provided integrally with the liquid crystal display means, and has two main positions, a horizontal position and a vertical position. Display input means for rotatably mounting the tablet means on the surface when the tablet means is in the horizontal position, and the display input means is provided in the apparatus body independently of the display input means and illuminates the liquid crystal display means. Backlight means, reflecting means provided on the back surface of the liquid crystal display means for reflecting light to the liquid crystal display means, detection means for detecting the rotational position of the display input means, and the display by the detection means. When it is detected that the input means is in the horizontal position, the backlight means is turned off, and the reflection means switches the liquid crystal display means to the reflection type. Inverted controls the display contents of the liquid crystal display device, characterized by comprising a control means for enabling data input by said tablet means.

Further, the document creating apparatus of the present invention comprises a transmissive liquid crystal display means and a tablet means provided integrally with the liquid crystal display means, and the tablet means can be attached to or detached from the apparatus main body with the tablet surface as the front surface or the back surface. Display input means to be attached, backlight means for illuminating the liquid crystal display means provided in the apparatus body independently of the display input means, detection means for detecting the mounting direction of the display input means, and this detection When it is detected by the means that the display input means is mounted with the tablet means on the surface, the backlight means is turned on, the display content of the liquid crystal display means is controlled to be inverted, and the tablet means is operated. It is characterized by comprising a control means capable of inputting data.

[0008]

According to the above construction, the tablet means is set on the surface by rotating the display input means, which comprises the liquid crystal display means and the tablet means, to the horizontal position.
Horizontal input with a pen is possible. In this case, the transmissive liquid crystal display means is switched to the reflective type by the reflection means, and the display contents are also inverted so that the front and back are not reversed.

Further, the display input means can be detachably attached to the apparatus main body. Therefore, if the tablet means is placed on the surface when the display input means is attached to the apparatus main body, vertical input with a pen is also possible.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) FIG. 1 is a perspective view showing the outer appearance of a first embodiment of the present invention. In a laptop-type document creation device, a keyboard 12 as an operation unit is provided on the front surface of the device body 11. The backlight unit 13 and the display input unit 14 have two positions, that is, a position for covering the keyboard 12 (hereinafter, referred to as a horizontal position) and an exposed position (hereinafter, referred to as a vertical position) via a hinge mechanism (not shown) for the device. It is rotatably attached to the main body 11. In this case, the backlight unit 13 and the display input unit 14
Are independently provided in the apparatus main body 11, and only the display input unit 14 can be rotated to the horizontal position while the backlight unit 13 is raised to the vertical position.

As shown in FIG. 2, the display input unit 14 has an LC
It is composed of a D (liquid crystal display) 15 and a tablet 16. The LCD 15 is a transmissive type and has a backlight unit 13.
The data is displayed by being illuminated by. Tablet 16
Is a pressure sensitive tablet here and is used as a pen input type input device. The tablet 16 is integrally provided on the display screen of the LCD 15 to realize the integrated display input unit 14.

Here, in the first embodiment, the display input section 14 is attached to the apparatus main body 11 so that the tablet 16 is set on the surface when in the horizontal position. As a result, when the display input unit 14 is raised to the vertical position, as shown in FIG.
You will enter the data using. On the other hand, when the display input unit 14 is pulled down to the horizontal position, the state shown in FIG.
Data will be input using the tablet 16 as shown in FIG.

The backlight unit 1 of the display input unit 14
3 is turned on when the display input unit 14 is in contact with the backlight unit 13, and is turned on when the display input unit 14 is in contact with the backlight unit 13.
There is provided a switch 17 which is turned off when it is separated from. It is detected by the switch 17 that the display input unit 14 is pulled down to the horizontal position, and at that time, the reading order of the display memory is changed so that appropriate display control is performed so that the display content is not reversed. To do.

Furthermore, since the transparent tablet 16 does not function when the display input unit 14 is tilted to the horizontal position, the backlight unit 13 is turned off and instead the shutter type reflection as shown in FIG. By disposing the plate 21 or the blind type reflection plate 22 as shown in FIG. 5 on the back surface of the LCD 15 (upside down in the figure),
The CD 15 is switched to the reflection type.

The shutter-type reflector 21 is shown in FIG.
As shown in FIG. 5, it is formed in a film shape, and is wound around the winding rod 21a when not in use. When the winding rod 21a is attached to the side surface of the LCD 15 and the display input section 14 is tilted to the horizontal position, the reflector 21 is manually or automatically spread out on the back surface of the LCD 15 as shown in FIG. .

The blind type reflector 22 is shown in FIG.
As shown in FIG. 5, a plurality of reflectors 22a are formed in a row, and are combined into one when not in use. This reflection plate 22 is attached to the side surface of the LCD 15, and the display input unit 14
When the is tilted to the horizontal position, the respective reflectors 22a are used by spreading them on the back surface of the LCD 15 manually or automatically as shown in FIG. 5 (b).

FIG. 6 is a block diagram showing the circuit configuration of the control system. The CPU 31 controls the entire apparatus, accesses the ROM 32 and the RAM 33, and activates a program in accordance with an input instruction from the keyboard 12 or the display / input unit 14. For example, in addition to the document creation process, the display / input unit is used here. A data input process according to the rotational position of 14 is executed.

The ROM 32 includes a program area in which various processing programs that determine the operation of the CPU 31 are stored, a character pattern area in which font data is stored, and reading information input in kana or romaji. A dictionary area or the like in which a standard dictionary for converting information is stored is provided.

The RAM 11 is provided with a document buffer for storing document information and an area for storing various information necessary for the processing of the CPU 31. Keyboard
The card (KB) 12 sends data necessary for creating a document to the C board via a keyboard controller (KB controller) 34.
Input to PU10. This keyboard 12 includes a "character" key, a "numerical value" key, a "cursor" key,
For example, various function keys such as a "function 1" key and a "function 2" key are provided.

The tablet 16 is an element constituting a data input device, and detects a position designated by a pen or the like.
The tablet controller 35 generates coordinate data corresponding to the input position detected by the tablet 16,
Input to the CPU 31.

The LCD 15 is an element constituting a data display device. As described with reference to FIG. 2, the LCD 15 has a structure integrated with the tablet 16, and
The panel and the display screen are arranged so as to face each other. Here, the pressure-sensitive tablet 16 and the LCD 15 are combined to form the display input unit 14. LCD
The controller 36 controls the LCD 1 under the control of the CPU 31.
6 to control the display operation. VRAM (video RAM) 3
Reference numeral 7 is a display memory in which the data displayed on the LCD 15 is expanded.

The backlight unit 13 is driven by a backlight drive circuit 38 and illuminates the rear surface of the transmissive LCD 15. The backlight drive circuit 38 is the CPU 3
The backlight unit 13 is driven on the basis of the backlight control signal S1 output from 1.

The switch 17 is for detecting the rotational position of the display input unit 14, and is turned off when the display input unit 14 is separated from the backlight unit 13 and pulled down to the horizontal position. Is configured. Switch 18
Is a switch used in the second embodiment for detecting the mounting direction of the display input unit 14. I /
The O controller 39 is the switch 17 or the switch 1.
The detection signal of No. 8 is input to the CPU 31.

Next, the operation of the first embodiment will be described. When data is input using the keyboard 12, the display input unit 14 is brought into a vertical position as shown in FIG. On the other hand, when using the tablet 16 to input data, the display input unit 14 is pulled down to the horizontal position as shown in FIG.

Here, as shown in the flowchart of FIG. 7, the CPU 31 detects the rotational position of the display input section 14 based on the detection signal of the switch 17 (step A1).
As a result, when the display input unit 14 is in the horizontal position (Yes in step A2), the CPU 31 sets the backlight control signal S1 to the inactive state, and turns off the backlight unit 13 through the backlight drive circuit 38 (step). A3). At this time, as shown in FIG.
The reflector 21 as shown in FIG. 5 or the reflector 22 as shown in FIG. 5 is set manually or automatically, and the LCD 15 is switched to the reflective type (step A4). Also, the CPU 31 prevents the display contents of the LCD 15 from being reversed from the front to the back.
The display content of the LCD 15 is reversely controlled through the LCD controller 36 (step A5).

On the other hand, when the display input section 14 is in the vertical position (No in step A2), the CPU 31 activates the backlight control signal S1 and turns on the backlight section 13 through the backlight drive circuit 38 ( Step A7). At this time, the reflector 21 or the reflector 22 is released, the LCD 15 is returned to the transmissive type (step A7), and normal display is performed through the LCD controller 36 (step A8).

Thus, as shown in FIG. 3B, the tablet 16 can be used as an input means by pulling down the display input section 14 to the horizontal position. In this case, since the tablet 16 is in the horizontal state, the stability can be ensured during pen input, and erroneous input due to, for example, camera shake can be prevented, and accurate data input can be performed. Further, as shown in FIG. 3A, if the display input section 14 is raised to the vertical position, the input means can be switched to the keyboard 12 for use.

(Second Embodiment) Next, a second embodiment of the present invention will be described. FIG. 8 is a perspective view showing an external configuration as a second embodiment of the present invention. In the second embodiment,
The display input unit 14 has a structure in which the LCD 15 and the tablet 16 are integrated as shown in FIG. 2, and the tablet 16 can be mounted on the front surface or the back surface by a mounting / dismounting mechanism (not shown). The attachment / detachment mechanism is provided with a connector (not shown) for electrically connecting the apparatus main body 11 and the display input unit 14, and the mounting state of the display input unit 14 can be detected through this connector.

The display input section 1 of the backlight section 13
A switch 18 for detecting the mounting direction of the display input unit 14 is provided on the surface opposite to 4. The switch 18 is configured to be turned on when the tablet 16 is on the back surface, and to be turned off by engaging with the recess 19 formed on the LCD 15 side when the tablet 16 is on the front surface. The switch 18 detects that the display input unit 14 is mounted on the apparatus main body 11 with the tablet 16 as the surface, and at that time, the display order of the display memory is changed appropriately so that the display content is not reversed. Display control.

Next, the operation of the second embodiment will be described. As shown in the flowchart of FIG. 9, when the display input unit 14 is detached from the apparatus body 11 (No in step B1), the CPU 31 causes the backlight control signal S1 to be displayed.
To the inactive state, and the backlight drive circuit 38
The backlight unit 13 is turned off through (Step B
2).

On the other hand, in the state where the display input section 14 is attached to the apparatus main body 11 (Yes in step B1).
2) The CPU 31 activates the backlight control signal S1 and turns on the backlight unit 13 through the backlight drive circuit 38 (step B3).

At this time, the CPU 31 detects the mounting position of the display input section 14 based on the detection signal of the switch 18 (step B4). As a result, when the display input unit 14 is mounted with the tablet 16 on the front surface (Yes in step B5), the CPU 31 controls the LCD controller 3 so that the display contents of the LCD 15 are not reversed from the front to the back.
The display content of the LCD 15 is reversely controlled through 6 (step B6).

Further, when the display input unit 14 is mounted with the tablet 16 on the back surface (step B5 N
o), the CPU 31 performs normal display through the LCD controller 36 (step B7).

As described above, when the display input section 14 is mounted, if the tablet 16 is mounted on the front surface, vertical input with a pen is possible. On the other hand, when the tablet 16 is mounted with the back surface (LCD 15 on the front surface), the display input unit 14 is pulled down to the horizontal position as described in the first embodiment, so that the pen is horizontally moved. Input becomes possible. Therefore, vertical input and horizontal input can be appropriately switched to input data, and operability by pen input can be improved.

[0035]

As described above, according to the present invention, in the document preparation apparatus in which the display input means including the liquid crystal display means and the tablet means is rotatably attached to the apparatus body, the display input means is rotated to the horizontal position. You can easily perform horizontal input with a pen simply by moving it. As a result, it is possible to ensure stability during pen input, prevent erroneous input due to camera shake, etc., and perform accurate data input.

Further, since the display input means can be attached to and detached from the main body of the apparatus, vertical input with a pen is possible if the tablet is mounted on the front side, and horizontal input with the pen is possible if the tablet is mounted on the back side. Is possible.

[Brief description of drawings]

FIG. 1 is a perspective view showing an external configuration as a first embodiment of the present invention.

FIG. 2 is a perspective view showing a configuration of a display input section shown in FIG.

FIG. 3 is a diagram for explaining a data input method according to a rotation position of the display input unit, FIG. 3A shows a state in which the display input unit is raised to a vertical position, and FIG. ) Indicates a state in which the display input unit is pulled down to the horizontal position.

4A and 4B are views for explaining a shutter-type reflector, FIG. 4A is a diagram showing a configuration of the reflector, and FIG. 4B is a diagram showing a state in which the reflector is attached to an LCD.

5A and 5B are views for explaining a blind type reflection plate, FIG. 5A is a diagram showing a configuration of the reflection plate, and FIG. 5B is a diagram showing a state in which the reflection plate is attached to an LCD.

FIG. 6 is a block diagram showing a circuit configuration of a control system.

FIG. 7 is a flowchart for explaining the operation of the first embodiment.

FIG. 8 is a perspective view showing an external configuration as a second embodiment of the present invention.

FIG. 9 is a flowchart for explaining the operation of the second embodiment.

[Explanation of symbols]

11 ... Device main body, 12 ... Keyboard, 13 ... Backlight part, 14 ... Display input part, 15 ... LCD (liquid crystal display device), 16 ... Tablet, 17 ... Switch, 18 ... Switch, 19 ... Dimple, 21 ... Shutter type Reflector, 22 ...
Blind type reflector, 31 ... CPU, 32 ... ROM, 3
3 ... RAM, 34 ... Keyboard controller, 35 ... Tablet controller, 36 ... LCD controller, 3
7 ... VRAM, 38 ... Backlight drive circuit, 39 ... I
/ O controller.

Claims (4)

[Claims] 1. A liquid crystal display means of transmissive type and a tablet means provided integrally with the liquid crystal display means. The liquid crystal display means is rotatably attached to the main body of the apparatus at two positions, a horizontal position and a vertical position, and is placed at the horizontal position. A display input means set so that the tablet means is located on the surface at a certain time, a backlight means which is provided in the apparatus body independently of the display input means, and illuminates the liquid crystal display means, and the liquid crystal Reflection means arranged on the back surface of the display means for reflecting light to the liquid crystal display means, detection means for detecting the rotational position of the display input means, and the detection means for moving the display input means to the horizontal position. When it is detected, the backlight means is turned off, the liquid crystal display means is switched to the reflective type by the reflection means, and the display of the liquid crystal display means is performed. Description inversion control to the document creation apparatus characterized by comprising a control means for enabling data input by said tablet means. 2. A liquid crystal display means of transmissive type and a tablet means provided integrally with the liquid crystal display means, and a display input means detachably attached to the apparatus main body with the tablet means as a front surface or a back surface. The display input means is provided independently of the display input means, the backlight means for illuminating the liquid crystal display means, the detection means for detecting the mounting direction of the display input means, and the display input means by the detection means. When it is detected that the tablet means is mounted on the front surface, the backlight means is turned on, the display content of the liquid crystal display means is controlled to be reversed, and the data input by the tablet means is enabled. A document creation apparatus comprising: 3. A display input means comprising a transmissive liquid crystal display means and a tablet means provided integrally with the liquid crystal display means is rotatably attached to the apparatus main body at two positions, a horizontal position and a vertical position. The tablet means is set so as to be positioned on the surface when it is in the position, and the backlight means is provided in the apparatus main body independently of the display input means and illuminates the liquid crystal display means, and the liquid crystal display. When the display input means is in the horizontal position by detecting the rotational position of the display input means, the reflection means is provided on the back surface of the means and reflects the light on the liquid crystal display means. The backlight means is turned off, the liquid crystal display means is switched to the reflective type by the reflection means, the display content of the liquid crystal display means is inverted and controlled, and Data input method characterized in that to enable data input by means. 4. A display input means comprising transmissive liquid crystal display means and tablet means provided integrally with the liquid crystal display means is detachably attached to a predetermined position of the apparatus main body with the tablet means as the front surface or the back surface. The display input means is provided independently of the display input means, has backlight means for illuminating the liquid crystal display means, and the display input means is detected by detecting the mounting direction of the display input means. When the device is mounted with the device as the front surface, the backlight device is turned on, the display content of the liquid crystal display device is inversely controlled, and data input by the tablet device is enabled. .