JPH06208425A - Portable computer - Google Patents

Abstract

(57) [Abstract] [Purpose] A transparent coordinate input position detection tablet for handwriting input with a handwriting pen is also used to detect the pressed position of a keyboard input key. Inexpensively configure a portable computer equipped with. A first main body case for accommodating a keyboard for inputting characters and the like by pressing a key top, a second main body case for accommodating a display device, and a transparent coordinate input position detection tablet are provided. The main body case and the second main body case are connected by a plurality of link members and are rotatably attached, and the first and second main body cases can be folded into an inward folded state of two folds or can be outwardly folded. The coordinate input tablet can be placed on either the lower surface of the keyboard or the upper surface of the display device.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to portable computers.

[0002]

2. Description of the Related Art Conventionally, a computer for handwriting input with a handwriting pen has been used as an auxiliary input means rather than a main input means, and each function is displayed on a liquid crystal display in a sloppy manner. All you have to do is select the display section of the function you want from the display and poke it with a handwriting pen. For example, display a predetermined format, check YES or NO with the handwriting pen based on the format, and enter the data. Most of the styles were
There is a style that allows you to handwrite hiragana and kanji directly. Handwriting input is inferior to data input from the keyboard part, but there are the following convenient points. In Japanese, there are many homologous words, and it is faster to type by handwriting. In addition, it is faster to directly write a person's name, place name, etc., and you can also type in a word you don't know how to read by handwriting. For this reason, there are portable computers that can input both keyboard input and handwriting input.

Input by handwriting with the handwriting pen 72, and
A portable computer 70 including an integrated display input device 78 capable of displaying a screen and a keyboard portion 76 for inputting characters and the like by pressing a key top 74 is shown in FIG.

In addition, handwriting is input with the handwriting pen 72,
Further, the portable computer 82 having the integrated display input device 78 capable of displaying a screen has a form in which an external keyboard portion 80 is attached as shown in FIG.

[0005]

However, in the above-mentioned portable computers 70 and 82, in the integrated display input device capable of screen display with the keyboard portion, the keyboard substrate for the key matrix scan and the display input are used to detect the pressed position of the keyboard. A transparent coordinate input position detection tablet for detecting the pressed position of the handwriting pen of the device is separately provided.

[0006] The keyboard input and the handwriting input are the detection of the position of the pressed key and the detection of the pressed position of the pen for writing by hand are the detection of the same pressing point, and when the keyboard input and the handwriting input are performed at the same time. Valid,
Especially when using a keyboard or handwriting as a portable computer,
It is wasteful to separately provide a detection device for a keyboard and a detection device for handwriting input.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a portable computer with a simple structure and at a lower cost.

[0008]

To achieve this object, a portable computer of the present invention comprises a first main body case for accommodating a keyboard portion for inputting characters and the like by pressing a key top, and a display device. It is equipped with a second body case to store and a transparent coordinate input position detection tablet,
At the time of keyboard input, the coordinate input position detecting tablet device is arranged on the lower surface of the keyboard member to detect a position where a key of the keyboard portion is pressed, and at the time of handwriting input, the coordinate input position detecting tablet of the display device is It is characterized in that it is arranged so as to cover the display surface and is configured to detect the coordinate position of the handwriting pen.

[0009]

The portable computer of the present invention having the above-mentioned structure has a first main body case for accommodating a keyboard portion for inputting characters by pressing a key top, and a second main body case for accommodating a display device. , Equipped with transparent coordinate input position detection tablet.

At the time of keyboard input, the transparent coordinate input position detecting tablet device is arranged on the lower surface of the keyboard member to detect the position where a key of the keyboard portion is pressed. Further, at the time of handwriting input, the coordinate input position detection tablet is arranged so as to cover the display surface of the display device, and has a function of detecting the coordinate position of the input when handwriting input is made with a handwriting pen.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an external view showing a state of keyboard input of the portable computer 1. FIG. 2 is a view showing a part of the vertical section.

The portable computer 1 has a keyboard 18
A plurality of key tops 22 are provided in the key top 2
By pressing 2, the characters etc. are input. A handwriting pen 24 is pulled out from the first main body case 10 that houses the keyboard 18. Further, inside the first main body case 10, a control board 28 on which a data processing device 26 is mounted is housed. The keyboard 18 is rotatably attached to the first body case 10 at the front end side.

A display device 16 is incorporated in the second body case 12. The display device 16 is composed of a liquid crystal display panel.

The first main body case 10 and the second main body case 12 are connected by a link member 20, and the link member 20 is connected to the first main body case 10 by a support shaft 21a.
Rotatably attached to the second body case 1
2 is rotatably attached to the link member 20 by a support shaft 21b.

The display device 16 is electrically connected to a display control board 30, and the display control board 30 is connected to a connector 34 of a control board 28 on the side of the first main body case 10 by a connection harness 32. ing.

Transparent coordinate input position detection tablet 14
The coordinate input tablet (hereinafter referred to as a coordinate input tablet) is laid on the lower surface of the keyboard 18 at the time of keyboard input.
The coordinate input tablet is connected to the display control board 30 in the second main body case by a flexible harness 38.

When the user depresses an arbitrary key top 22, a rubber key arranged under the key top 22 descends and works to press a specific coordinate position of the coordinate input tablet 14 laid on the lower surface.

Next, a method for outward folding the first body case 10 and the second body case 12 will be described with reference to FIGS. 3 and 4. FIG. 3 shows a keyboard 18 for lifting the coordinate input tablet 14 from the underside of the keyboard 18.
Is in a state of being rotated and turned toward the front (rotated in the direction of arrow A). Here, the keyboard 18 is rotatably attached to the first main body case in the front portion and rotates up to an angle of about 90 degrees. In this state, coordinate input tablet 1
4 is a state in which the flexible harness 38 is bent and lifted (rotated in the direction of arrow B). In this state, it is further rotated and mounted on the display surface of the display device 16. Here, the transparent input range of the coordinate input tablet 14 and the display surface of the display device 16 are almost the same size, and a positioning mechanism (not shown) is provided.

FIG. 4 shows a state in which the second main body case 12 is folded back from the inner folded state to the outer folded state. First, the second body case 12 is rotated 180 degrees in the direction of arrow C about the support shaft 21a of the link member 20. Further, from this state, when the support shaft 21b of the link member 20 is rotated 180 degrees in the direction of the arrow D and folded back, it becomes a state of outward folding.

Further, FIG. 5 shows a block configuration of the data processing device 26 of this embodiment. A portion surrounded by a frame 66 is a main body control unit mounted inside the first main body case 10, and a CPU 52 that controls the entire apparatus and the CPU.
It is composed of a main memory 54 for storing programs and data required for control processing of 52 and an external storage device, a so-called floppy disk device 56. The handwriting pen 24 is connected to the CPU 52.

A portion surrounded by a frame 50 is an input / output control unit provided inside the second main body case 12, and a display memory 60 for storing a display image for display on the display device 16, The display control unit 58 of the display device 16 and the tablet control unit 62 that controls the coordinate input tablet 14 to input coordinates.

An input / output control unit 50 for controlling the main body control unit 66, the display device 16 and the coordinate input tablet 14.
And are connected by a connection harness 32.

Next, the operation will be described.

For inputting a large amount of data and characters, it is preferable to use the keyboard 18 in the state shown in FIGS.

Next, the handwriting input using the handwriting pen 24 will be described. First, as shown in FIGS. 3 and 4, the inward folding state of the keyboard input is sequentially turned in the outward folding state in the directions of arrows C and D. Then, as shown in FIG. 6, the coordinate input tablet 14 is mounted on the display device 16 and handwriting input is performed using the handwriting pen 24.

The present invention is not limited to the above-mentioned embodiments, and various modifications and improvements can be made without departing from the gist of the present invention.

[0027]

As is apparent from the above description, in the portable computer of the present invention, the coordinate input position detecting tablet conventionally provided only for handwriting input is also used for detecting the key pressing position of the keyboard. It is possible to provide a portable computer with a simple configuration and at a lower cost by removing the keyboard substrate portion.

[Brief description of drawings]

FIG. 1 is an external view showing a state of a portable computer of the present invention when a keyboard is input.

FIG. 2 is a central sectional view of FIG.

FIG. 3 is a perspective view showing a state where the coordinate input position detection tablet of the portable computer of the present invention is lifted.

FIG. 4 is an external view showing a state of the portable computer of the present invention from inward folding to outward folding.

FIG. 5 is a block diagram showing a configuration of a data processing device of a portable computer of the present invention.

FIG. 6 is a diagram showing a state of handwriting input of the portable computer of the present invention.

FIG. 7 is a diagram showing a conventional portable computer.

FIG. 8 is a diagram showing a conventional portable computer.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Portable computer 10 1st main body case 12 2nd main body case 14 Transparent coordinate input position detection tablet (coordinate input tablet) 16 Display device 18 Keyboard 20 Link member

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location H03M 11/22 G06F 3/03 310 A 7165-5B

Claims (1)

[Claims] 1. A first main body case for accommodating a keyboard portion for inputting characters and the like by pressing a key top, a second main body case for accommodating a display device, and a transparent coordinate input position detection tablet. When the keyboard is input, the coordinate input position detecting tablet device is arranged on the lower surface of the keyboard member to detect the position where a key of the keyboard is pressed, and when the handwriting is input, the coordinate input position detecting tablet is the display device. A portable computer, which is arranged so as to cover the display surface of, and is configured to detect the coordinate position of a handwriting pen.