KR100761954B1 - Portable Personal Information Device - Google Patents

Abstract

The present invention relates to a personal digital assistant. According to an aspect of the present invention, there is provided a personal portable information device comprising: a connection port for transmitting and receiving data with an external device; And a first storage means for storing a first operating system of the system; And a second storage means installed in the casing, the casing independent from the main body, and storing a second operating system, and connected to the connection port to enable mutual data transmission and reception between the first storage means and the second storage means. A docking station having a connecting portion; And detecting whether the docking station is mounted on the main body, booting into the second operating system stored in the second storage means when the docking station is mounted on the main body, and when the docking station is not mounted. And a control unit for controlling to boot to the first operating system stored in the first storage unit. As a result, a personal portable information device capable of improving the performance by expanding the memory of the personal portable information device is provided.

Description

Portable Personal Information Device {

1 is a perspective view of a personal digital assistant according to the present invention;

2 is a combined diagram of the personal digital assistant according to FIG. 1;

3 is a block diagram of a personal digital assistant according to the present invention;

4 is an operation flowchart of a personal digital assistant according to the present invention.

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

1: body 2: stylus pen

10: external housing 11: central processing unit

13: rom 15: ram

17: PCB 20: connection port

30 detection unit 40 display unit

50: docking station 51: casing

53: hard disk drive 55: power supply

57: connecting portion 59: seating portion

60: control unit 63: USB port

65: mouse

The present invention relates to a personal digital assistant.

A personal digital assistant is a palm-sized, small data processing device with calculation, data storage and retrieval functions. These personal digital assistants include PDAs (Personal Digital Assistants), handheld PCs, smartphones and WEB. Post PCs such as PAD. In the present invention, it will be described with a PDA for convenience of explanation.

In general, a PDA drives an OS and performs operations in conjunction with a ROM storing an operating system (hereinafter referred to as an OS), a RAM storing data, and a memory associated with the ROM and RAM. A central processing unit, and a display unit for displaying output data.

These PDAs are less expensive and more portable than notebook PCs. However, in order to increase portability, which is an advantage of PDA, PDA uses ROM and RAM as storage means instead of hard disk drive. ROMs and RAMs are small in size, which improves the portability of PDAs, but also has low capacities and limits the expansion of memory at high cost. Therefore, PDA uses Windows CE as a small OS because of memory limitations. However, since the performance of the central processing unit and hardware installed in the PDA is inferior to that of the notebook PC, even if a high-end OS such as Windows 98 or Windows ME can be used sufficiently, the performance of the memory does not show enough.                         

Therefore, if you take advantage of the portability of the personal portable information device, and take the additional memory means that can be removable as needed, it will be able to maximize the performance of the personal portable information device.

Accordingly, it is an object of the present invention to provide a personal portable information device that can improve performance by providing removable additional memory means.

According to the present invention, in the personal portable information device, a connection port for transmitting and receiving data with an external device; And a first storage means for storing a first operating system of the system; And a second storage means for storing a casing independent from the main body, a second operating system installed in the casing, the second operating system having a larger capacity than the first operating system and a higher version, and connected to the connection port with the first storage means. A docking station having a connection to enable mutual data transmission and reception between the second storage means; And detecting whether the docking station is mounted on the main body, booting into the second operating system stored in the second storage means when the docking station is mounted on the main body, and when the docking station is not mounted. And a control unit for controlling to boot to the first operating system stored in the first storage unit.

Here, the docking station further includes a power supply unit provided in the casing to supply power to the docking station, so that the docking station can drive the storage device.                     

And, the second storage means is a hard disk drive, it is effective because the price is cheap and easy to purchase.

In addition, the docking station further includes at least one of a USB port and a PS / 2 port so that an external device can be connected to the docking station, since the docking station can be used by connecting an external device such as a keyboard and a mouse to the docking station.

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

As described above, the personal portable information device may be a handheld PC, a smart phone, a WEB PAD, or the like. In the present embodiment, a PDA is described as an example.

1 is a perspective view of a personal digital assistant according to the present invention, FIG. 2 is a combined view of FIG. 1, and FIG. 3 is a block diagram of the personal digital assistant. As shown in these figures, the PDA, one of the personal digital assistants according to the present invention, has a plurality of hardware therein and is detachable to the main body 1 having the display unit 40 and the rear of the main body 1. It is composed of a stylus pen (2).

The main body 1 includes a central processing unit 11 accommodated in an external housing 10 forming an appearance, a ROM 13 which is a first storage means in which an OS (Windows CE) of a system is stored, and a RAM for storing data ( 15) and a plurality of hardware including a printed circuit board (PCB) 17 on which the first storage means and the central processing unit 11 are mounted.

As the OS stored in the ROM 13, Windows CE, which is a low-capacity OS, is stored. In addition, application programs and general data used in the PDA are stored in the RAM 15, which is a volatile memory.

As shown in FIG. 1, a plurality of operation buttons are provided in the lower front area of the outer housing 10, and a display unit 40 on which information input by a user is displayed is provided at an upper portion of the operation button. In addition, one end of the outer housing 10 is connected to the PCB 17 and the other end is connected to the connecting portion 57 of the docking station 50 to be described later, the docking station 50 and the first storage means and the central processing unit Connection port 20 is provided to be able to transmit and receive data between (11).

Meanwhile, the PDA further includes a docking station 50 on which the main body 1 is mounted so as to be capable of transmitting and receiving data with the main body 1.

The docking station 50 is a casing 51 having an accommodation space therein independent from the main body 1 and an additional memory means installed in the casing 51 and storing a separate advanced operating system (such as Windows 98 or Windows ME). And a connection part 57 provided in the casing 51 and connected to the connection port 20 of the main body 1 to enable mutual data transmission and reception between the second storage means, the first storage means, and the central processing unit 11. Has

As shown in FIGS. 1 and 2, the casing 51 is provided somewhat larger than the main body 1, and a seating portion 59 on which the main body 1 is mounted is provided in one region of the upper surface. In addition, as shown in FIG. 2, a USB port 63 and a PS / 2 port are provided at one side of the casing 51 to connect an external input device such as a mouse 65 or a keyboard (not shown).

The hard disk drive 53, which is the second storage means, can read and write, and also stores a large, high-level OS Windows 98 or Windows ME as a separate OS. In addition, the hard disk drive 53 stores application programs used in the PDA. The hard disk drive 53 may back up the data stored in the RAM 15, and update the data stored in the RAM 15 to the hard disk drive 53. The hard disk drive 53 is driven by receiving power from a power supply unit 55 provided at one side of the casing 51.

The connection portion 57 is connected to the hard disk drive 53 at an area adjacent to the seating portion 59 of the casing 51 and the other end is connected to the connection port 20 so that the docking station 50 and the first storage means are connected. And it is connected to the data transmission and reception between the central processing unit (11).

In addition, the main body 1 is provided with a control unit 60 to selectively boot the system according to the user's power.

When power is applied, the controller 60 is provided adjacent to the connection port 20 area of the main body 1 to receive a signal from the detection unit 30 that detects whether the docking station 50 is mounted. Accordingly, when the docking station 50 is provided in the main body 1 based on the detection signal of the detection unit 30, the controller 60 returns to Windows 98 or Windows ME, which is an advanced OS stored in the hard disk drive 53. Boot the system. When the OS 50 is not provided in the main body 1, the system is booted with a low-capacity Windows CE stored in the ROM 13 by booting a general PDA.

According to this configuration, a process of booting and using a personal digital assistant according to the present invention will be described with reference to FIG.

When the user applies power to the personal digital assistant (S10), the detection unit 30 provided in the connection port 20 area of the main body 1 detects whether the docking station 50 is provided in the main body 1. By transmitting the detection signal to the control unit 60 (S20). Here, when the docking station 50 is not provided in the main body 1, the controller 60 boots the system with the Windows CE stored in the ROM 13 (S26). The user uses a PDA with Windows CE as his OS.

However, as a result of the detection of the detection unit 30, when the docking station 50 is provided in the main body 1, the control unit 60 boots the system with a separate OS (Windows 98) stored in the hard disk drive 53 ( S25). Therefore, the user uses Windows 98 as the OS of the system, which is superior to the conventional Windows CE and provides various functions.

In addition, the user can easily carry a personal computer by attaching a mouse 65 or a keyboard to the USB port 63 formed on one side of the casing 51 of the docking station 50 and the PS / 2 port as shown in FIG. Information equipment can be used. The data stored in the RAM 15 may be backed up to the hard disk drive 53 which is an additional memory means, and the data stored in the hard disk drive 53 may be stored in the RAM 15.

Thus, the user can use a PDA with improved performance.

In the above-described embodiment, only the hard disk drive 53 is used as the second storage means, but it is possible to achieve the object of the present invention even by using a stick memory (smart media memory or compact flash memory). to be.

In the above-described embodiment, the power supply unit 55 for driving the hard disk drive 53 is provided in the docking station 50, but the power is supplied from the main body 1 to drive the hard disk drive 53. Of course you can.

In the above-described embodiment, the USB port 63 or the PS / 2 port is provided on one side of the casing 51 of the docking station 50, but the port 63 may be provided on one side of the main body 1. Of course, in addition to the USB port 63 or PS / 2 port, it is also possible to provide various types of ports for mounting other external devices.

As described above, by providing a docking station detachable to a personal portable information device, a personal portable information device capable of expanding the memory and improving performance is provided.

As described above, according to the present invention, by providing a detachable docking station in a personal portable information device, a personal portable information device is provided which can expand the memory to improve performance.

Claims (4)

       In personal portable information devices, A connection port for data transmission and reception with an external device; And A main body including first storage means for storing a first operating system of the system; And A second storage means for storing a casing independent from the main body, a second operating system installed in the casing, the second operating system having a larger capacity and a higher version than the first operating system, and connected to the connection port, wherein the first storage means and the A docking station having a connection to enable mutual data transmission and reception between the second storage means; And Detects whether the docking station is mounted on the main body, and if the docking station is mounted on the main body, boots to the second operating system stored in the second storage means, and if the docking station is not mounted, And a control unit for controlling to boot to the first operating system stored in the storage unit. The method of claim 1,       The docking station further comprises a power supply unit provided in the casing to supply power to the docking station. The method according to claim 1 or 2,       And said second storage means is a hard disk drive. The method of claim 1,       The docking station further comprises at least one of a USB port and a PS / 2 port so as to be connected to an external device.

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