KR20020065779A - Portable System - Google Patents

Abstract

PURPOSE: A portable computer is provided to perform a simple text related task in a space where a display device can not be opened so that it enables a user to check an e-mail, refer to a dictionary or execute a web browser without driving the overall system. CONSTITUTION: The system comprises a main power switch, an auxiliary power switch(13), an auxiliary LCD door(15), and a door opening sensor. The main power switch, arranged on an upper face of a casing(10) and connected to a main board, supplies a main power to the portable computer. If the main power switch is on, a bios ROM is driven and the first post routine, stored in the bios ROM, being executed. The auxiliary power switch(13), arranged near an auxiliary LCD(60) caved in at a lower part of the casing, switches on or off the auxiliary LCD(60). If the auxiliary power switch is on, the power is supplied for the auxiliary LCD(60), the bios ROM is driven and the second post routine, stored in the bios ROM, being executed. The auxiliary LCD door(15) with a plate type is formed in parallel with a lower face of the casing. The LCD door(15) is slid along a guide rail formed at an inner side of the lower face of the casing. The door opening sensor is formed on the guide rail. If the LCD door is opened, the door opening sensor is switched on and the power is allowed to be supplied for the auxiliary power switch(13). In a case that the door opening sensor is not on, the auxiliary LCD is not operated though the auxiliary power switch is on.

Description

Portable Computer {Portable System}

The present invention relates to a portable computer.

Emphasis on desktop computers as opposed to desktop computers is their portability, simplicity, and the ability to replace desktop computers. The above-described portable computer is used to encompass both portable computers such as laptop computers, notebook computers, and palmtop computers.

As shown in FIG. 1, a conventional portable computer is folded with respect to a computer main body 101 and a computer main body 101 including a main board 120 and an input device 130 on which a central processing unit 121 is mounted. It is built or spread to include an LCD 150 for outputting information input in accordance with the user operation.

The computer main body 101 has an outer appearance and has a casing 110 in which a power switch 111 is provided on an upper surface thereof, and is provided in the casing 110 and has a central processing unit 121, a biosrom 127, and a graphic chip ( 125), the main board 120 is mounted, the input device 130 for outputting the input signal, the hard disk drive 140, which is read-write and the operating system of the system is stored, and to supply power to the system It includes a number of hardware, including a power supply (not shown).

The LCD 150 receives power from a power supply unit (not shown) and receives and displays an image signal from the computer main body 101.

According to this configuration, when the LCD 150 is rotated to open and close the power switch 111 provided on the upper surface of the casing 110, power is applied to the system from a power supply (not shown). Accordingly, the biosrom 127 executes post-routines, inspects various kinds of hardware provided in the computer main body 101, and drives the found hardware. In addition, the biosrom 127 finally boots the system with an operating system provided in the hard disk drive 140. Accordingly, the CPU 121 and the graphic chip 125 interlock with each other to generate an image signal, and the LCD 150 receives and displays the generated image signal.

However, referring to the conventional portable computer, the conventional portable computer may use the portable computer only when the power switch 111 is turned on by rotating and opening the LCD 150. Therefore, there is a problem that a portable computer cannot be used in a space where the LCD 150 cannot be rotated and opened. In addition, conventional portable computers need to run the entire portable computer even when performing simple TEXT operations such as e-mail check, English-Korean dictionary, web browser, etc. There is a problem that the power is wasted accordingly.

Accordingly, an object of the present invention is to provide a portable computer that can be used even in a space in which the display device of the portable computer cannot be opened and closed.

1 is an exploded perspective view of a conventional portable computer,

2 is an exploded perspective view of a portable computer according to the present invention;

3 is a bottom view of a portable computer according to the present invention;

4 is an auxiliary LCD operation state diagram of a portable computer according to the present invention;

5 is a flowchart illustrating a driving process of a portable computer according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: computer body 10: casing

11: main power switch 13: auxiliary power switch

15: auxiliary LCD opening and closing door 16: guide rail

20: motherboard 21: central processing unit

23: microcomputer 25: graphics chip

27: biosrom 30: injection force device

31: Keyboard 33: Mouse

35: touch pad 40: hard disk drive

50: LCD 60: secondary LCD

70: auxiliary input device

The object is, according to the present invention, a computer main body having an injection force device, an auxiliary memory device in which an operating system is stored, a main board on which a biosrom and a central processing unit are mounted, and receiving image signals from the computer body A portable computer having a main display device for displaying, the portable computer comprising: an auxiliary display device provided in the computer body for receiving and displaying image signals from the computer body; An auxiliary input device attached to the auxiliary display device for providing an input signal to the computer main body; And a control unit for selectively driving any one of the main display device and the sub display device, and controlling a signal input to an input device attached to the selected display device.

The main display device and the sub display device may further include a selection switch for selecting whether to drive the main display device and the sub display device, respectively.

In addition, the auxiliary display device is provided to be movable open and close on one side of the computer body, the auxiliary display device further comprises an opening and closing detection switch for detecting whether the auxiliary display device opening and closing, the control unit is the opening and closing detection Based on the opening / closing detection result of the switch, it is preferable to drive the auxiliary display device because it can detect the use of the auxiliary display device and determine whether to use it.

The biosrom may include a first postroutine for driving the main display device and a second postroutine for driving the auxiliary display device, and the auxiliary memory device may be configured to drive the first and second post-routines. Storing the first and second operating systems according to the present invention can effectively drive the main display device and the sub display device.

In addition, the second operating system can achieve the object of the present invention even if stored in the biosrom.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view of a portable computer according to the present invention, FIG. 3 is a bottom view of FIG. 2, and FIG. 4 is an auxiliary LCD operation state diagram of the portable computer according to the present invention. As shown in these drawings, the portable computer according to the present invention includes a computer main body 1 including a main board 20 and an injection force device 30 on which a central processing unit 21 and a graphic chip 25 are mounted. And an LCD 50 which is folded or unfolded with respect to the computer main body 1 to display an image signal from the computer main body 1.

The computer main body 1 includes a casing 10, a main board 20 provided in the casing 10 and equipped with a graphics card 25 for outputting an image signal, and which is capable of reading and writing and storing the operating system of the system. Hard disk drive 40 and a plurality of hardware including a power supply (not shown) for supplying power to the system.

As shown in Figs. 2 and 4, the casing 10 forming the exterior has a main power switch 11 for applying power to the system and an auxiliary power source for driving the auxiliary LCD 60, which is an auxiliary display device to be described later. Switch 13, an auxiliary LCD opening and closing door 15 for rotating and opening the auxiliary LCD 60, and an opening and closing detection switch for detecting whether the auxiliary LCD 60 is opened and closed from the auxiliary LCD opening and closing door 15 (not shown) City).

The main power switch 11 is provided on the upper surface of the casing 10 and connected to a power supply (not shown) provided on one side of the casing 10 and the main board 20 to be described later to apply main power to the system. Accordingly, power from the power supply unit (not shown) is supplied to the computer main body 1 and the LCD 50. When the main power switch 11 is turned on to supply power to the system, the biosrom 27 to be described later is driven to execute the first post-routine stored in the biosrom 27.

The auxiliary power switch 13 is provided at a position adjacent to the auxiliary LCD 60 formed in a predetermined depth in the bottom surface of the casing 10 to be described later to drive the auxiliary LCD 60. When the auxiliary power switch 13 is turned on, power from a power supply unit (not shown) is supplied to the auxiliary LCD 60, and the biosrom 27 is driven by driving the biosrom 27 provided on the main board 20. Second post-routine stored in

As shown in FIG. 4, the auxiliary LCD opening / closing door 15 is provided in a plate shape parallel to the bottom surface of the casing 10 in front of the auxiliary LCD 60. The auxiliary LCD opening / closing door 15 is formed to be slidable along the guide rail 16 formed inside the bottom surface of the casing 10 to open and close the auxiliary LCD 60.

The opening / closing detection switch (not shown) is provided in the guide rail 16 area, and when the auxiliary LCD opening / closing door 15 opens the auxiliary LCD 60, the opening / closing detection switch (not shown) is turned on, and the auxiliary power switch 13 Allow power to be applied. Therefore, when the opening / closing detection switch (not shown) is not turned on, even when the auxiliary power switch 13 is turned on, power is not supplied to the auxiliary LCD 60, and thus the auxiliary LCD 60 does not operate.

The injection force device 30 includes a keyboard 31 provided on the upper surface of the casing 10, a mouse 33 and a touch pad 35 for determining position coordinates and selection. When the main power switch 11 is turned on, the injection force device 30 is driven according to the first post-routine of the biosrom 27 to input the input signal to the computer main body 1.

The main board 20 includes a central processing unit 21, a graphics chip 25 for generating an image signal, a microcomputer 23 for controlling power supplied to the LCD 50 and the subsidiary LCD 60 which will be described later. A biosrom 27 for booting the system is installed.

The central processing unit 21 is driven by the biosrom 27 to be described later to perform various operations and to drive an application program.

The biosrom 27 is driven when the power is applied to the system to boot the system. When the main power switch 11 is pressed, the biosrom 27 executes the first postroutine for operating the system normally under the control of a controller to be described later. The first postin initializes the graphics by starting a memory test process of checking a memory mounted on the main board 20. In addition, all hardware mounted on the system such as the LCD 50, the keyboard 31, the hard disk drive 40, and the like are inspected, and when the hardware is mounted, the hardware is driven. When driving of the hardware is completed, the BIOSROM 27 normally drives the system to the first operating system (eg, windows 98 and windows2000) stored in the hard disk drive 40 to be described later.

However, when the auxiliary power switch 13 provided on the bottom surface of the casing 10 is pressed, the biosrom 27 executes the second postin for driving the system in the TEXT mode under the control of the controller. The second post-routine inspects the auxiliary LCD 60 and the hard disk drive 40, and drives the hardware when the hardware is mounted. When the driving of the hardware is completed, the BIOSROM 27 drives the system to a second operating system (eg, Windows CE 3.0 used in a PDA) stored in the hard disk drive 40 to be described later.

The hard disk drive 40 is read-writeable in the casing 10 and stores a first operating system (Windows 98 or Windows 2000) and a second operating system (Windows CE 3.0) for driving the system. As described above, when the biosrom 27 executes the first post-routine, the system is driven by the first operating system stored in the hard disk drive 40, and the biosrom 27 runs the second post-routine. If so, the system is driven by the second operating system.

The controller detects when the main power switch 11 and the auxiliary power switch 13 are pressed, and when the main power switch 11 is pressed, the biosrom 27 executes the first post routine to execute the first operating system. Boot the system to Windows 98 or Windows 2000. Therefore, the computer main body 1 receives an input signal from the injection force device 30. In addition, when the auxiliary power switch 13 is pressed, the system is booted into the second operating system (TEXT mode Windows CE 3.0) by executing the second post routine on the biosrom 27. Accordingly, the computer main body 1 receives an input signal from the auxiliary input device 70.

When the main power switch 11 is turned on, the LCD 50 receives power from a power supply unit (not shown) and receives and displays an image signal from the computer main body 1.

On the other hand, the auxiliary LCD 60 and the auxiliary input device 70 are provided on the bottom surface of the casing 10 adjacent to the main board 20 provided in the casing 10.

The auxiliary LCD 60 is recessed in a predetermined depth on the bottom surface of the casing 10, and when the auxiliary power switch 13 is turned on and the power is supplied from the power supply unit (not shown), the biosrom provided on the main board 20 ( 27, the second post-routine is executed to be driven as the second operating system of the hard disk drive 40 is driven. Thus, the image signal from the computer main body 1 is received and displayed.

The stylus pen, which is the auxiliary input device 70, is detachably located at the bottom surface of the casing 10 and adjacent to the auxiliary LCD 60 so that the biosrom 27 is driven during the execution of the second postroutine. Pass the input signal to.

According to such a configuration, a driving process of the portable computer according to the present invention will be described with reference to FIG.

First, the controller checks whether power is applied by the main power switch 11 (S10). Here, when the user rotates and opens the LCD 50 to turn on the main power switch 11 provided on the upper surface of the casing 10, when the power is supplied from the power supply unit (not shown) to the system, the biosrom 27 is Driven. The biosrom 27 executes the first postroutine under the control of the controller (S11). Thus, after the memory test and graphic initialization (S12), the hardware provided in the computer main body 1 is inspected and the found hardware is driven (S13). In addition, the BIOS ROM 27 normally boots the system to the first operating system (Windows 98 or Windows 2000) stored in the hard disk drive 40 (S14), and the user uses the LCD 50 and the injection force device 30. Normal operation is performed by using (S15).

On the other hand, when the user opens and closes the auxiliary LCD opening / closing door 15 provided on the bottom surface of the casing 10 to turn on the auxiliary power switch 13, power from a power input unit (not shown) is transferred to the system to provide a main board 20. ) Biosrom 27 is driven. The biosrom 27 executes the second postroutine under the control of the controller (S20). Accordingly, the hard disk drive 40, the auxiliary LCD 60 and the auxiliary input device 70 are inspected, and if found, the hardware is driven (S30). In addition, the BIOS ROM 27 boots the system in the TEXT mode with the second operating system (Windows CE 3.0) stored in the hard disk drive 40 (S40). Accordingly, the user performs a simple mail inspection, web browser search and music file driving using the auxiliary LCD 60 and the auxiliary input device 70 without opening the LCD 50 of the portable computer (S50). .

In the foregoing and embodiments, the auxiliary LCD 60 and the auxiliary input device 70 are formed on the bottom surface of the casing 10 adjacent to the main board 20 in consideration of the thickness of the computer main body 1, but the computer The thickness of the main body 1 is not taken into consideration, and of course, when considering the user's convenience, it can be provided on the back of the computer main body 1.

In the above-described embodiments, the auxiliary LCD opening and closing door 15 is provided at the front of the auxiliary LCD 60, and the auxiliary LCD opening and closing door 15 is opened and closed to use the auxiliary LCD 60. The purpose of the present invention is to provide a Velcro-type LCD cover (not shown) adjacent to the subsidiary LCD 60 in place of the subsidiary LCD opening / closing door 15 in a portable computer bag (not shown) for storing a computer. Can be achieved. When the LCD cover is provided in the portable computer bag, the user opens and closes the LCD cover to use the auxiliary LCD.

Thus, by providing the auxiliary LCD and the auxiliary input device on the bottom surface of the computer main body, a portable computer that can be used even in a space where the LCD of the portable computer cannot be opened and closed is provided.

As described above, according to the present invention, there is provided a portable computer that can be used even in a space in which the display device of the portable computer cannot be opened and closed.

Claims (5)

A portable body having an injection force device, an auxiliary memory device in which an operating system is stored, a main body equipped with a biosrom and a central processing unit, and a main display device for receiving and displaying image signals from the computer main body. In the computer, An auxiliary display device provided in the computer main body to receive and display image signals from the computer main body; An auxiliary input device attached to the auxiliary display device for providing an input signal to the computer main body; And a control unit for selectively driving one of the main display device and the sub display device, and controlling a signal input from an input device attached to the selected display device. The method of claim 1, The main display device and the sub display device further comprises a selection switch for selecting whether to drive each. The method of claim 1, The auxiliary display device is provided to be movable open and close on one side of the computer body, the auxiliary display device further comprises an opening and closing detection switch for detecting whether the auxiliary display device is opened or closed, And the control unit drives the auxiliary display device based on the opening / closing detection result of the opening / closing detection switch. The method of claim 1, The biosrom includes a first postin driving the main display device and a second postin driving the secondary display device. And the auxiliary memory device stores first and second operating systems according to driving of the first and second post-routines. The method of claim 1, And the second operating system is stored in the biosrom.