KR20040042052A - keyboard device - Google Patents

Abstract

PURPOSE: An attachable keyboard device of a portable computer system is provided to save the power used for waiting key input by making a system main body perform only a function of a webpad as restricting the data input through the keyboard in a state that the keyboard is folded to the system main body. CONSTITUTION: A keyboard case(310) comprises a front and a rear case. A keypad(320) is embedded into the keyboard case. A rotating part(330) rotates the keyboard case to the system main body at a predetermined angle. To input a signal inputted from the keypad to the system main body, a male connector(343) connects the keypad and the system main body. A keyboard connection projection(360) formed to one side of the rotating part prevents the keyboard device from being separated from the system main body when the keyboard device is joined with a bottom of the system main body.

Description

Removable keyboard device for portable computer system

The present invention relates to a removable keyboard device of a portable computer system, and in particular, a keyboard device suitable for use in a hybrid portable computer having a web pad function and a general notebook PC function, which is easily attached to the system main body only when necessary. Removable keyboard device of a portable computer system that can selectively input text or data to reduce power consumption, and in the case of using as a web pad, the keyboard can be detached on the contrary so that it can be carried easily when moving. will be.

In recent years, with the shift in office type, where mobility is emphasized, the transition from the previous desktop PCs to portable notebook PCs or personal digital assistants (aka PDAs) has increased significantly.

Figure 1a, b is a state diagram before and after the web pad is mounted on a conventional removable keyboard device.

Referring to these drawings, a conventional personal digital assistant or a web pad is mounted on a separate removable keyboard device, and a web pad used while being carried while moving is used to input data such as text using a stylus pen. In this case, the software is implemented by tapping a virtual keyboard displayed on the screen to input data or writing using a stylus pen directly on the display. Even if a character is recorded by using a writing operation, it is inherently inconvenient due to many errors occurring in character recognition.

The conventional detachable keyboard device designed to solve such inconveniences is characterized in that the upper end of the keypad 811 is provided with an interface unit 812 composed of a connector for connecting a web pad or the like, and the interface unit 812 described above. ) Is integrally formed with the cover 813 covering the keypad, and is rotated with the hinge provided at one end of the cover 813 as a point. In the conventional detachable keyboard device as described above, a web pad or the like is inserted into the interface unit 812 to be connected to the keypad 811, and data such as text is input using the keypad 811.

However, when the removable keyboard device connects a web pad or the like to the interface unit 812, the keypad 811 is unconditionally switched to a mode capable of text input so that data can be inputted at all times. When this is applied, there is a problem of consuming power even when no character is input. In addition, if the cover 813 is covered after the web pad or the like is mounted on the keyboard device, there is a problem that the web pad cannot be used.

The keyboard device 300 of the present invention devised to solve the above problems is simply attached to the system main body 100 to be used as a web pad, thereby selectively inputting text and data using a keyboard if necessary. Although the keyboard is attached, even when the keyboard is attached, the keyboard is coupled to the system main body 100 in a folded state so that data input through the keyboard is restricted so that only the function of the web pad is enabled, thereby enabling the keyboard. The purpose of the present invention is to realize power saving by eliminating the conventional power consumption of waiting for key input in one state.

In addition, by enabling the coupling direction of the system main body 100 and the keyboard device 300 in both the forward direction and the reverse direction, when the portable device is to be stored / stored for a long time without a key input, the keyboard device 300 of the present invention is carried out by the system main body 100. Another purpose is to protect the liquid crystal display screen of the system body by combining in the reverse direction.

Figure 1a is a view showing a state before mounting the web pad to a conventional removable keyboard device.

Figure 1b is a view showing a state after mounting the web pad to a conventional removable keyboard device.

FIG. 2A is a diagram illustrating inputting data into a system main body using a stylus pen or inputting data using a keyboard according to the present invention; FIG.

Figure 2b is a view showing a state in which the keyboard device is separated from the system main body in the present invention.

3 is a perspective view showing a process of coupling the keyboard device according to the present invention to the system body.

4 is an exploded perspective view showing a detailed configuration of a keyboard device according to the present invention.

5 is a view briefly disassembled by the appearance and function of the keyboard disk assembly.

6 is an exploded view showing components of the hinge assembly.

7 is a view showing a state in which the male connector portion is coupled to the first connector cover.

Figure 8a is a perspective view showing the appearance of the keyboard opening and closing device.

8B is an exploded perspective view showing major components of the keyboard opening and closing apparatus;

8C is a view showing the operating position of the main body locking projection before the keyboard opening and closing button is operated.

Figure 8d is a view showing the operation position of the main body locking projections after operating the keyboard opening and closing button.

Figure 8e is a view showing the final state after the keyboard opening and closing device is coupled to the main body.

9A to 9C are views illustrating a process of opening a main body and switching to a keyboard input mode position.

10 is an exploded perspective view showing major components of the rotation sensing device.

11 is an exploded perspective view showing a protective cover detachable device in a state in which the front case is partially cut.

12 is a view illustrating an operation of attaching and detaching a protective cover.

13A and 13B illustrate a system body coupled to a keyboard device in a forward and reverse direction.

Explanation of symbols on the main parts of the drawings

100: system body 155: first frame 155b: lever coupling protrusion

155d: Hanging projection detachable piece 156a: 1st frame guide projection 200: stylus pen

210: rear cover 300: keyboard device

310: Keyboard Case 311: Front Case 312: Rear Case

313: fixing protrusion insertion hole 314: seating protrusion through groove 315: locking groove

320: keypad 330: rotation member 331: upper rotation guide member

331a: guide rail 332: keyboard disk assembly 333: data entry mode

Switch 334: Lower rotary guide member 335: Keyboard disc

335a: first projection 335b: second projection 335c: stop spring

335d: Cable through hole 335e: Cable guide groove 336: Hinge frame

337: hinge assembly 338: first connector cover 338a: boss first end

338b: boss second end 339: second connector cover 340: first hinge

341 second hinge 342 hinge cover 343 male connector

344: bumper 345: male connector hole 346: male connector

347: auxiliary printed circuit board 348: signal cable 349: leaf spring

349a: spring projection 360: keyboard engaging projection 360a: backlash prevention projection

370: keyboard opening and closing device 371: keyboard opening and closing button 372: button storage hole

373: first interlocking lever 373a: guide groove 373b: interlocking lever engaging portion

374: body locking projection 375: first locking piece 376: second interlocking lever

377: 2nd engaging piece 378: Tension part 379: Tension part groove

380: protective cover detachable device 381: detachable button 382: interlocking lever

383: engaging button 384: return spring 385: protective cover

386: hook portion 390: rotation detection device 410: cradle portion

700: web pad system 811: keypad 812: interface unit

813: Cover

819: opening and closing button 820: opening and closing button locking hole 821: return spring

The keyboard device 300 of the portable hybrid computer according to the present invention for achieving the above object is a keyboard case 310 consisting of a front case 311 and a rear case 312 coupled to face each other, and The keypad 320, which is a data input means mounted in the keyboard case, and the rotating member 330 which rotates the keyboard case 310 at a predetermined angle with the system main body 100, and a signal input from the keypad 320 are provided. The male connector part 343 and the keyboard device 300 for connecting the keypad 320 and the system main body 100 to each other so as to be transmitted to the system main body 100 are attached to the bottom surface of the system main body 100. The keyboard device 300 is characterized in that consisting of the keyboard engaging projection 360 formed on one side of the rotating member 330 so as not to be separated from the system body 100.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, preferred embodiments of a keyboard device of a portable hybrid computer according to the present invention will be described with reference to the accompanying drawings.

FIG. 2A is a diagram illustrating inputting data into a system main body using a stylus pen or inputting data using a keyboard according to the present invention, and FIG. 2B illustrates a state in which the keyboard device is separated from the system main body according to the present invention. It is a figure which shows.

Referring to these drawings, in the present invention, data and the like are input to the system main body using the stylus pen 200. In a use form, first, a virtual keyboard displayed on a display is implemented by software. Another method is to input data or to write using the stylus pen 200 on the display. In other words, since it is used without a keyboard attached, it is convenient to carry and can be easily handled with light weight.

In addition, inputting data using a keyboard separately coupled to the main body system is much easier than inputting data using a stylus pen.

In the present invention, the keyboard can be selectively mounted in this way, which is very convenient.

In this case, the main body of the system has a display portion showing approximately image data on the upper side, the rear surface opposite to the display portion is a rear cover 210, and various function buttons and terminals are provided on the side portions, respectively.

3 is a perspective view showing a process of coupling the keyboard device according to the present invention to the system body.

Referring to FIG. 3, the keyboard device 300 of the present invention is a keyboard device suitable for use in a portable hybrid computer capable of both a web pad function and a general notebook PC function, and is easily attached to the system main body 100. In particular, by selectively inputting text or data only when necessary, the conventional power consumption that is always required to wait for key input after the keyboard is not only reduced, and in the case of using as a web pad, can be removed. It is to be easy to carry when moving.

Keyboard detachable device of the portable composite computer of the present invention, the keyboard case 310 is rotatably coupled to the system body 100, such as a web pad at a predetermined angle, the keyboard from the pen input mode by the rotation operation described above Rotation member 330 to switch to the keyboard input mode using the keypad 320 is the main body of the system main body 100 so that the signal input from the keypad 320 can be transmitted to the system main body 100 The system main body 100 using the male connector part 343 interconnecting the female connector part installed on the board, and the keyboard main body 300 which is coupled to the system main body 100 but is not coupled to each other when a key is not input for a long time. And a keyboard engaging protrusion 360 for coupling the display of the display unit to be protected. The fixing protrusion is provided at one side of the keyboard case 310. There is a chakhol 313 is formed which is to become the connector side and the system main body side of the system interconnection dakking when coupled to the external system dakking expansion unit in the combined state, the system main body and the keyboard device. In addition, the rear surface of the keypad 320 is covered by the rear cover 210 to protect it.

In addition, the system main body 100 is provided with a display surface on one side, and the back surface is a surface to which a battery cover (not shown) is attached. Here, the remaining four places except for the display surface and the back are side portions, and in particular, one side of the rear thereof is provided with a plurality of keyboard engaging protrusion insertion holes (not shown) for coupling the keyboard device 300.

The male connector portion 343 and the keyboard coupling protrusion 360 of the keyboard device 300 are inserted and fixed through the keyboard coupling protrusion insertion opening. When the keyboard device 300 is coupled to the system main body 100, the keyboard is inserted. The coupling protrusion 360 passes through the keyboard coupling protrusion insertion hole, and is caught by the engaging protrusion detachment piece at the end of the first frame 155.

In addition, a single reverse insertion prevention projection 360a is formed at an adjacent portion of the keyboard engaging projection 360, and a groove through which the reverse insertion prevention projection 360a can pass at an opposite position of the system main body 100. C) is formed in one place, so that the display surface of the system main body 100 can always be coupled to the outside, which can prevent the rear surface of the system main body 100 from being assembled to the outside. have.

However, when the reverse insertion prevention is not applied as described above as another embodiment, the reverse insertion prevention projection 360a may not be formed. Therefore, in this case, the display surface of the system main body 100 may be assembled to appear to the outside, and conversely, the display surface of the system main body 100 may be assembled so that the rear surface of the system main body 100 appears to the outside. have.

4 is an exploded perspective view showing the detailed configuration of a keyboard device according to the present invention.

Referring to FIG. 4, in order to rotate the system main body 100 by a predetermined angle using the keyboard device 300 according to the present invention, a rotating member 330 is used, in which case the rotating member 330 is used. ) Is preferably rotatably fixed to the rear surface of the front case 311, the rotating member 330 is the upper rotary guide member 331 which is placed on the rear surface of the front case (311);

A keyboard disc assembly 332 coupled to be rotatable along a guide guide rail 331a formed on a rear surface of the upper rotation guide member 331;

The upper rotation guide member 331 and the keyboard disk assembly 332 is fastened / coupled to the boss formed on the back of the front case 311 with a screw, and the data input mode switching switch 333 at a predetermined position on the front One lower rotating guide member 334 is made.

Wherein the guide guide rail (331a) is formed on the rear surface of the upper rotation guide member 331 is a guide surface of the concentric protruding shape, which is the guide surface formed on the upper surface of the lower rotation guide member 334 In contact with each other, relative rotational movements are combined. At a predetermined position of the upper rotation guide member 331, a plurality of through holes 331a are formed to allow the boss formed on the rear surface of the front case 311 to be supported by the boss.

5 is a view illustrating a simplified disassembly by appearance and function of the keyboard disc assembly, and FIG. 6 is an exploded view illustrating components of the hinge assembly.

Referring to these drawings, the keyboard disk assembly 332 coupled to be rotatable along the guide guide rail formed on the back of the upper rotation guide member 331, rotates along the guide guide rail formed on the back of the upper rotation guide member. And, the back and the keyboard disk 335 having a projection (335a) for contacting the data input mode switching switch 333 in accordance with the rotation;

A hinge frame 336 screwed to the keyboard disk 335;

One side of the hinge frame is composed of a hinge assembly 337 coupled to be rotated at an angle.

Wherein the hinge assembly 337 comprises: a first connector cover 338;

A second connector cover 339 which is assembled to face the first connector cover 338;

A first hinge 340 and a second hinge 341 which are positioned between these assemblies when the second connector cover 339 is coupled to the first connector cover 338 and which are screwed at approximately both ends;

The hinge cover 342 serves to cover the first and second hinges 340 and 341 to the hinge frame 336 and to simultaneously cover the first and second hinges 340 and 341.

The first and second hinges 340 and 341 may include first and second hinge inner pieces 340a and 341a which are combined with the hinge cover to rotate. The first and second hinge outer side pieces 340b and 341b coupled to the second connector cover 339 to rotate are configured to be rotatably coupled to each other.

Looking at the coupling state of the components, the hinge frame 336 is mounted on the top of the keyboard disk 335 is fastened with screws, the keyboard unit 300 according to the present invention at the end of the upper end of the hinge frame 336 The hinge assembly 337 is coupled to allow rotation at a range of angles between the system body 100 and the system body 100.

The first connector cover 338 and the second connector cover 339 of the hinge assembly 337 are mutually coupled by screws in opposing states, and cover the predetermined range including the head of the screw after the screw coupling. The rubber bumper 344 is adhesively treated to make it beautiful.

Also approximately at the center of the hinge assembly 337 is a male connector portion 343 for connecting / transmitting an input signal from the keyboard device 300 to the system body 100. The male connector portion 343 is assembled by screws so that the male connector 346 faces the front direction through the male connector hole 345 from the rear surface of the first connector cover 338. Soldered on the small auxiliary printed circuit board 347, one side of the auxiliary printed circuit board 347 is a signal cable 348 for transmitting the input signal from the keyboard device 300 to the system main body 100 Is connected. The auxiliary printed circuit board 347 is assembled / fixed to the boss formed on the rear surface of the first connector cover 338 in a state of being elastically supported by a separate leaf spring 349.

At this time, the male connector 346 is in the assembly / fixed to the first connector cover 338 and the flow in the up / down / left / right direction is possible, which is the keyboard device 300 is the system body Not only to facilitate the coupling when combined with the (100), but also to prevent damage to each connector during the coupling operation of the male connector 346 and the mating female connector, which is coupled to each other when the mutual coupling It is to be assembled while being guided between opposing surfaces.

In addition, the other end of the signal cable 348 is guided to the cable guide groove 335e formed on the keyboard disk 335 while passing through the cable through hole 335d formed in the center of the keyboard disk 335 and the keyboard. To a printed circuit board (not shown) in the device. In addition, the front case guide surface 335f constituting the outermost circumferential surface of the upper surface of the keyboard disk 335 forms a guide surface to which the keyboard disk 335 is rotatably coupled to the front case 311. will be.

In addition, first and second protrusions 335a and b are formed at a predetermined rear surface of the keyboard disc 335, and the protrusions are switched to a data input mode fixed at a position opposite to the upper side of the lower rotation guide member 334. The switch 333 operates the switching lever to switch between the data input mode using the keyboard and the input mode using the stylus pen, which will be described later. In addition, the data input mode switching switch 333 is electrically connected to a printed circuit board (not shown) of the keyboard device.

In addition, the keyboard disk assembly 332 is rotatably coupled to each other by the upper rotation guide member 331 and the guide groove, and then screwed by the lower rotation guide member 334 to the rear surface of the front case 311. The front case 311 is fastened to the rear case 312 by screws.

7 is a view showing a state in which the male connector portion is coupled to the first connector cover.

Referring to FIG. 7, the boss 350 formed on the rear surface of the first connector cover 338 has two stages to allow the male connector 346 to flow. The auxiliary printed circuit board 347 is described above. In the center of the first end portion 338a to be placed, a second end portion 338b having an internal female screw portion to which the screw is engaged is formed, wherein the height of the second end portion 338b is the auxiliary printed circuit board. 347 and the thickness of the leaf spring 349 is greater than the total thickness, and the outer dimension of the second end 338b is smaller than the screw hole formed in the auxiliary printed circuit board 347, thereby screwing Subsequently, the auxiliary printed circuit board 347 receives the elastic force of the leaf spring 349 and enables the flow in the front-rear direction (A direction) and the flow in the left-right direction (B direction) within a tolerance range.

In addition, a spring protrusion 349a is formed on the rear surface of the leaf spring 349, and the direction of formation of the protrusion is directed to the first connector cover 338, which is caused by the elasticity of the leaf spring 349. The auxiliary printed circuit board 347 is always in close contact with the first end 338a.

Fig. 8A is a perspective view showing the appearance of the keyboard opening and closing apparatus before and after joining with the system main body, and Fig. 8B is an exploded perspective view showing major components of the keyboard opening and closing apparatus. In addition, Figure 8c is a view showing the operating position of the main body engaging projection before the keyboard opening and closing button, Figure 8d is a view showing the operating position of the main body locking projection after operating the keyboard opening and closing button, Figure 8e is a keyboard opening and closing device The figure shows the final state after being coupled to the body.

Referring to these drawings, the keyboard case 310, the front side portion of the keyboard device 300 and the system main body 100 after combining the folded or used to facilitate the operation and to facilitate the combination and separation of them The keyboard opening and closing device 370 is provided.

The keyboard opening and closing device 370,

A keyboard open / close button 371;

A button receiving hole 372 formed in the keyboard case to accommodate the button;

A first interlocking lever 373 which is linked to the keyboard opening / closing button and guided to a guide boss installed on a rear case and slides left and right;

It consists of a main body locking protrusion 374 to rotate by the operation of the first interlocking lever.

Here, the main body locking protrusion 374 is preferably supported by the first locking pin 375 to be rotatable on the rear case 312. In addition, the second interlocking lever 376 may be used to smoothly rotate the main body locking protrusion 374 by the operation of the first interlocking lever 373. Here, one side of the second interlocking lever 376 is interlocked with the first interlocking lever 373 by a second locking pin 377, and the other side is caught by a hole formed at one side of the main body locking protrusion 374. 1 transfers the sliding operation of the interlock lever 373 and finally the main body locking protrusion 374 rotates.

In addition, the first locking pin 375 may have a function of guiding the first interlocking lever 373 on one side thereof. At this time, one end of the first interlocking lever 373 is bent to have a guide groove to guide the first locking pin.

In order to maintain a firmly coupled state between the keyboard device 300 and the system main body 100 as described above, the main body locking projections 374 have a predetermined distance to the left and right on the front side of the keyboard case 310 respectively. It is preferable to be installed, and at this time, the components for driving the main body locking projections 374 are coupled to the opening and closing operation of the keyboard opening and closing button 371 on the first interlocking lever 373.

When the main body locking protrusion 374 is interlocked by the operation of the keyboard opening / closing button 371, the keyboard device 300 is coupled to the system main body 100, or when the coupling between them is released. When the button 371 is pushed in the right direction, the first interlocking lever 373 interlocked on the back of the keyboard opening / closing button operates in the right direction, and the second interlocking lever 376 is operated by the sliding operation of the first interlocking lever 373. ) Work together to the right.

Subsequently, the operation of the second interlocking lever 376 is transmitted to the main body locking protrusion 374 that rotates the first locking pin 375 to the rotational axis, and the main body locking protrusion 374 rotates in the counterclockwise direction. The locking portion formed in the main body locking protrusion 374 of the main body is caught by the side wall of the locking groove formed in the case of the system main body (see FIG. 8E).

On the contrary, if the keyboard opening / closing button 371 is pushed to the left in the reverse direction, the first interlocking lever 373 is operated to the left and finally the main body locking projection 374 by the reverse operation of the above process. Is rotated in a clockwise direction so that the side wall of the locking groove formed in the case of the system main body 100 is separated from the locking portion formed in the main body locking protrusion 374 so that the system main body 100 can be opened from the keyboard device 300. It becomes possible.

Here, the keyboard opening / closing button 371 is secured in the final position in a state where the keyboard opening / closing button 371 has reached the final position (a state in which the body locking projection is caught on the side wall of the locking groove formed in the case of the main body). The tension opening 378 is disposed on the rear surface of the keyboard opening / closing button 371, and the keyboard opening and closing button 371 is opposed to the tension section 378 when the keyboard opening / closing button 371 is placed in the final position. The tension part groove 379 is provided at a position where the tension part groove 379 is positioned, and the tension part 378 formed at the back of the keyboard opening and closing button 371 is seated in the tension part groove 379 at the final position of the keyboard opening and closing button 371. Thus, the keyboard opening / closing button 371 is reliably maintained in the final position. Therefore, since the keyboard opening / closing button 371 is held in the closed state of the system main body and the keyboard device, the main body locking protrusion 374 is not easily separated from the locking groove formed in the case of the main body. 8d)

Looking at the state of use of the keyboard device 300 having such a structure, the user carrying or using the keyboard device 300 and the system main body 100 in a combined state, at least to open the keyboard device 300 that is at least mutually locked When the keyboard opening and closing button 371 is operated to open the system body 100 to the hinge assembly 337 of the keyboard device 300 to the point.

In this case, the rear surface of the system main body 100, rather than the display unit, faces the user, so that the position of the display unit provided in the system main body 100 is rotated to face the user's direction. (See Figures 9A, b, c)

Here, the rotation of the system main body 100 including the display unit is enabled by interlocking with the keyboard disk assembly 332 which is rotatably coupled on the keyboard case 310, which will be described in more detail as follows. .

In order to rotate the system main body 100 opened from the keyboard device 300 in the direction of the user, the keyboard device 300 is placed along the rotational direction of the keyboard disk assembly 332 while the keyboard device 300 is placed on a desk or the like. The system main body 100 is rotated, and the system main body 100 may be rotated about 180 degrees.

On the other hand, when the keyboard device 300 and the system main body 100 are used while being coupled to the portable device, the above product merely functions as a web pad, which is not exposed to the keypad 320. This is because the data input using the keypad 320 is impossible, and as described above, the controller of the system main body controls the input of data through the keyboard to be impossible in the state in which the keyboard device 300 and the system main body 100 are combined. Because.

10 is an exploded perspective view showing major components of the rotation sensing device.

Referring to FIG. 10, after operating the keyboard opening / closing button 371 to open the system main body 100 at the hinge assembly 337 of the keyboard device 300, the keyboard disc assembly 332 may be rotated along the rotation direction of the keyboard disc assembly 332. When the system main body 100 is rotated about 180 degrees, the system main body is switched to a keyboard input mode capable of inputting data by a keyboard by the rotation detecting device 390 provided in the rotating member. Looking at the components of the rotation detection device 390 and the operation of the rotation detection device in detail as follows.

The rotation sensing device 390 is fixed to the rear surface of the rear case 312, the lower rotation guide having a data input mode switching switch 391 is fixed to a predetermined position on the front facing the rear case 312 Member 334;

Located between the rear case 312 and the lower rotation guide member 334, rotatably coupled along a guide groove formed in the lower rotation guide member 334, and coupled to the system body to rotate a predetermined angle A keyboard disc assembly 332 having a protrusion 335a for contacting the data input mode switching switch 391 to generate a switching signal;

It is composed of a male connector portion 343 for transmitting the switching signal of the data input mode switching switch 391 to the system main body 100.

By operating the keyboard open / close button 371 to open the system main body 100 with the first and second hinges 340 and 341 of the keyboard device 300 in place, the system according to the rotation direction of the keyboard disc assembly 332. When the main body 100 is rotated about 180 degrees, a switching signal is generated by the contact of the protrusion 335a of the rotation detecting device 390 and the data input mode switching switch 391, and the switching signal is It is transmitted to the control unit (not shown) of the system body 100 through the male connector of the. By the switching signal, the system main body is switched to the keyboard input mode in which data can be input by the keyboard.

In addition, a stop spring 335c is supported / fixed on one side of the upper surface of the lower rotation guide member 334. As the keyboard assembly is rotated 180 degrees, it is preferable to be installed at two places. The stop springs 335c are respectively fixed on the same distance (concentric circles) from the center of the lower rotation guide member 334, but they are fixed while maintaining 180 degrees to each other. The second protrusion 335b is formed to protrude from the rear surface of the keyboard disk 335 to face the stop spring 335c fixed to the upper surface of the lower rotation guide member 334.

Looking at the action of the stop spring 335c and the second projection 335b, the user rotates the main body 180 degrees in the keyboard device, wherein the relative of the keyboard disk 335 and the lower rotation guide member 334 According to the movement, the protrusion of the second protrusion 335b passes through the seating groove of the stop spring 335c, and at this time, a "click" sound and a click sound are generated. Therefore, the user knows that the rotation is 180 degrees by the sense at this time and stops at the spot.

FIG. 11 is an exploded perspective view illustrating a protective cover attaching and detaching device in a state in which the front case is partially cut, and FIG. 12 is a view illustrating an operation of attaching and detaching the protective cover.

Referring to these drawings, when the user intends to carry the system main body together with the keyboard device of the present invention portable portable computer, the main body is easily scratched by contact with the outside, in particular, such a scratch on the display surface. This causes a lot of inconvenience in use.

Therefore, it is preferable to use a separate protective cover in order to prevent surface damage on the display surface side on the main body. In detail, the keyboard device 300 and the system main body 100 are provided at the rear side of the keyboard case 310. ) Is provided with a protective cover detachable device 380 for covering the protective glass surface on the system main body 100 to protect it from external shock when moving in a closed state.

The protective cover detachable device 380,

A protective cover detachable button 381 sliding and acting on the rear case 312;

An interlocking lever 382 interlocked by the protective cover detachable button;

It works in conjunction with the interlock lever and is made of a locking button (383) having a locking surface to take a protective cover on one side.

The protective cover detachable button 381 is elastically supported by the return spring 384 to return to its original position after operation.

The protective cover attaching and detaching device 380 having the above configuration has a protective cover 385 for protecting the protective glass surface of the display unit constituting one side of the system main body 100 from external impact. In order to carry the main body 100, the locking portion 386 provided at one end of the protective cover 385 is inserted through the locking groove 315 formed in the keyboard case 310. 386 is caught by the locking button 383. On the contrary, if the user needs to peel off the protective cover 385, the protective cover attaching / release button 381 may be pushed in the opposite direction to release the locking portion 386 from the locking button 383 and peel off. At this time, if the release button 383 is pulled, the locking button 383 is returned to its original position by the elasticity of the return spring 384.

13A and 13B illustrate a system body coupled to a keyboard device in a forward and reverse direction.

Referring to these drawings, in combining the system main body 100 with a keyboard device, the display surface of the system main body 100 may be assembled so as to appear to the outside, and conversely, the display surface is directed toward the keyboard device. The back of the system body 100 may be assembled to appear to the outside. As shown in the first case, when the display surface of the system main body 100 is assembled to appear to the outside, it is characterized in that the screen of the input result can be seen while inputting data with the stylus pen using the display surface while carrying. On the other hand, when the rear surface of the system main body 100 is assembled to appear to the outside, it is characterized in that it is possible to prevent scratches occurring on the display surface of the system main body 100 in advance.

As described above, the system body is coupled to the keyboard device in both the forward and reverse directions, and the keyboard coupling protrusion 360 may be coupled to both directions in the first frame 155 interlocked with the keyboard release lever 151 of the system body. It is possible by forming the engaging portion formed at both ends of the keyboard engaging projection 360 in both directions.

On the other hand, in combining the system main body 100 with a keyboard device, in order to ensure that the display surface of the system main body 100 always appears to the outside, a reverse insertion prevention protrusion is formed on one side of the keyboard engaging protrusion 360. In addition, one side of the system main body 100 is provided with the reverse insertion prevention projection passage groove in a position opposite to the reverse insertion prevention projections, it is only necessary to install at one place.

Therefore, when the rear surface of the system main body 100 is to be assembled to appear to the outside, the reverse insertion prevention protrusion is interfered by the main body which is not provided with the reverse insertion prevention projection passage groove is impossible to combine. This prevents reverse insertion.

In addition, in order to separate the system body 100 coupled as described above from the keyboard device, the locking button between the system body 100 and the keyboard device is released by sliding the engagement button provided on the back of the keyboard device, so that the separation is not possible. do.

As described above, the keyboard device of the portable hybrid computer of the present invention is a keyboard device suitable for use in a hybrid portable computer having a web pad function and a general notebook PC function. It is a keyboard device of a portable hybrid computer that can not only selectively input text or data, but also remove the keyboard when used as a web pad, making it easy to carry when moving.

The removable keyboard device of the portable computer system of the present invention, by simply attaching to the system main body used as a web pad, enables to selectively input text and data using a keyboard, if necessary, and has a keyboard attached thereto. Even if the keyboard is folded and coupled to the system unit, data input through the keyboard is restricted so that only the functions of the web pad are enabled, thereby eliminating the need for power consumption to enable the keyboard, thereby realizing power saving. It works.

In addition, since the coupling direction of the system main body and the keyboard device can be performed in both the forward direction and the reverse direction, when carrying / storing for a long time without key input, the liquid crystal display screen of the web pad is coupled by inverting the keyboard device of the present invention to the system main body. There is another effect that can be protected.

Claims (9)

A case forming the exterior of the device; Display means mounted on one surface of the case and outputting various kinds of information; A main board on which various circuit components are installed; A keyboard device coupled to a portable computer system consisting of a digitizer input means, The keyboard device is Detachable means for selectively detachable from said portable computer; A first engagement position at which the portable computer and the keyboard device are horizontally coupled; And a second engagement position at which the keyboard device makes a predetermined angle with the portable computer to enable an input operation; a position shifting means for moving therebetween. The method of claim 1, The position converting means includes a rotating means mounted to one side of the keyboard device; Removable keyboard device of a portable computer which is a hinge means mounted between the rotating member and the detachable means. According to claim 2, wherein the rotating means is a member, the disk-shaped rotating member to rotate; Removable keyboard device of a portable computer comprising a rotation guide member positioned between the upper and lower cases and the rotating member forming the appearance of the keyboard device to guide the rotational movement of the rotating member. 4. The apparatus of claim 3, wherein the rotating means includes: a data input mode switching switch installed at one side of the rotation guide member to switch the display mode of the portable computer system; And a protrusion installed at a predetermined position of the rotating member to turn on / off the data input mode switching switch according to the mutual conversion position of the rotating member and the rotating guide member. 5. The data input mode switching switch of claim 4, wherein the display mode of the portable computer has a landscape mode in which the horizontal direction is longer than the vertical direction when the keyboard device is coupled to the portable computer system in the second engagement position. Removable keyboard device, characterized in that to be converted into a portable computer. According to claim 1, The detachable means; A coupling member having a plurality of coupling protrusions mounted on one side of the position converting means, the coupling protrusion having a coupling protrusion groove; A coupling protrusion insertion hole formed at one side of the portable computer and into which the coupling protrusion is inserted; A coupling protrusion detachment piece selectively coupled to the coupling protrusion groove by a lever means; And a connector detachment means mounted between the plurality of engaging projections to electrically couple the keyboard device to the portable computer system. The apparatus of claim 1, wherein the keyboard device; And a first engagement position holding means mounted on the other side of the detachable means to fix the keyboard device to the first engagement position. The method of claim 7, wherein The first engagement position holding means; A locking protrusion groove formed at a position corresponding to the first coupling position holding means at one side of the portable computer; Removable keyboard device of the portable computer is fastened to the locking projection groove, consisting of a locking projection that is selectively protruded by a rotational movement in conjunction with the operation lever. The method of claim 6, wherein the connector detachment means, A keyboard unit connector mounted to a connector of the portable computer system; A flexible cable for fluidly connecting the keyboard unit connector to the circuit device of the keyboard device; Fastening means for fastening the keyboard connector to the keyboard device; Removable keyboard device of the portable computer consisting of the elastic flow means is mounted between the fastening means and the keyboard portion connector to enable the keyboard portion connector to move within a predetermined range.