KR20020090247A - Personal Data Assistant - Google Patents

Abstract

PURPOSE: A PDA(Personal Digital Assistant) is provided to make the PDA conveniently portable by reducing the thickness of the PDA, to maximize the practical usability of an LCD by preparing a keyboard and the function keys in a body unit, and to expand a function of the PDA by attaching a module without the disassembling of the PDA. CONSTITUTION: A cover unit(100) is attached with the LCD(110) for inputting the data by touching a screen. The body unit(300) embeds a main board consisting of a CPU and other logics and comprises an interface with many input units such as the character keys(312) and the function keys(311) and an external system. The cover unit is hinge-coupled with the body unit via a connecting unit(200). The main unit includes an expansion slot(320) inserted with an external memory card, a serial communication unit(330) connected with a computer or a notebook, and a module mounting unit(340) for mounting a module jacket.

Description

Portable Personal Information Terminal {Personal Data Assistant}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a personal data assistant (PDA) equipped with a personal address book management, a notepad function, a schedule management, a game, and a communication function, and in particular, a liquid crystal display (LCD) for displaying data and program execution patterns. 110 is attached to the cover 100 and the main body 300 is mounted to the main board is hinged, and the main body 300 is equipped with input means such as keyboard keyboard and specific function buttons (311, 312) The module jacket 400 includes an expansion slot 320 into which an external memory card is inserted and a wireless communication module or a module having a location information system (GPS) function to input data and store more data. The module mounting unit 340 is configured to be able to easily input data, and relates to a device capable of additional functions such as a communication function in addition to the basic personal information management function.

In general, portable personal information terminals are larger than mobile phones and smaller than laptops in terms of the size of a display for displaying data, so that they can store and manage more data than mobile phones and are easier to carry than laptops. The device is emerging as a next-generation terminal due to its advantages.

1 and 2 illustrate a configuration of a conventional portable personal information terminal, and the configuration and function thereof will be described in detail with reference to the drawings.

1 is a perspective view of a conventional portable personal information terminal, Figure 2 is a view showing the top surface of the portable personal information terminal of FIG.

Conventional portable personal information terminal has a liquid crystal display device 10 for displaying a variety of data; A function key 20 positioned at the bottom of the liquid crystal display device 10 to perform a specific program more easily and quickly or to perform a specific function such as power on / off; Basically, it consists of a serial communication unit 30 connected to a cable for exchanging data with a computer, a notebook, etc., and a memory card is inserted to expand the memory to provide more extended functions, or wireless communication. Expansion slot unit 40 is inserted into a module having a wireless communication modem function for and the infrared communication unit 50 for transmitting and receiving data wirelessly with other portable personal information terminals and computers are configured.

The liquid crystal display device 10 may execute a program by selecting a program menu such as an address book, a game, a memo, and the like, by touching the screen, and executing a keyboard program for document operation to display the keyboard screen 11 on the liquid crystal display. Characters and the like can be input by touching the characters on the displayed keyboard screen 11 on the display device.

The serial communication unit 30 is composed of a plurality of pins and the plurality of pins are connected to an internal main board (not shown), and the serial communication unit 30 and a serial port such as a computer or a notebook are connected by cables. By connecting, data such as e-mail and document file can be exchanged with each other.

In general, such a serial communication unit 30 uses a communication method such as serial serial communication (RS232C) or universal serial bus (USB).

Unlike the serial communication unit 30, the infrared communication unit 50 is a data transmitting / receiving apparatus using infrared rays, and thus, wirelessly transmits and receives data without using a wire such as a cable, thereby eliminating the inconvenience of connecting cables, and thus, a portable personal information terminal. It is designed to transmit and receive data between each other, or between a portable personal information terminal and a computer.

The expansion slot unit 40 is limited due to the small size of the portable personal information terminal to expand the limited storage capacity of the portable personal information terminal or to function as a wireless communication (CDMA module, etc.) or geographic information system (GPS). It is a device to extend the function.

The expansion slot portion 40 is composed of a plurality of pins and the plurality of pins are connected to the motherboard inside the main body is configured to send and receive data. The expansion slot unit 40 may store a larger capacity of data in the memory card by mounting a memory card or the like in the expansion slot unit 40 to overcome the limitation of the storage capacity of the portable personal information terminal. By inserting a modem or a geographic information system (GPS) module having a wireless communication function such as a CDMA module into the expansion slot unit 340, the Internet, email, voice call, location information data, etc. can be wirelessly input as well as information input and management. It is intended to be able to send and receive.

Such expansion slots generally include a CompactFlash (CF) slot or a memory card slot.

However, such a conventional portable personal information terminal has a main board, a liquid crystal display (LCD) 10, etc., all mounted on a main body, and its thickness is so thick that it is inconvenient to carry and use, and the wireless communication module is provided in the expansion slot part 40. There was a problem that can not be utilized by inserting an external memory card that can store a large amount of information received from the Internet.

As another conventional embodiment for solving such a problem, there is a system in which a modem device for wireless communication is embedded in a portable personal information terminal. However, in this case, the size and weight of the portable personal information terminal is increased and the technology of the wireless communication module is increased. There is a disadvantage that it is impossible to replace it with a new module due to power generation.

In addition, the conventional portable personal information terminal is inconvenient to touch the small keyboard screen 11 by executing a keyboard program to display the keyboard screen 11 on the liquid crystal display screen 10 and input characters in such a way as to touch them, In addition, as shown in FIG. 1, since the keyboard screen 11 occupies a substantial portion of the liquid crystal display screen 10, there is a problem in that the area of the liquid crystal display screen 10 actually used becomes small and inconvenient.

In addition, since the liquid crystal display screen 10 and the function keys 20 are exposed to the outside while the conventional portable personal information terminal is not used, the liquid crystal display and the function keys may be damaged due to external impact. There is a problem in that a liquid may enter the gap of the liquid crystal display device or a function key and the device may not work.

The present invention is to solve the problems of the conventional portable personal information terminal as described above, the liquid crystal display (LCD) 110 for displaying the program or input data to be executed, and input the data by touching the screen is mounted The cover part 100; A main body 300 having a main board composed of a CPU, a memory, and other logic and composed of an input device such as a plurality of character keys 312 and a function key 311 and an interface device 320, 330, 340, 350 with an external system; By hinge-connecting the cover part 100 and the main body part 300, the cover part 100 is covered by the main body part 300, and the liquid crystals of the main body part 300 and the cover part 100 are connected. The present invention relates to a portable personal information terminal comprising a connection unit 200 for exchanging data between display devices 110.

That is, according to the present invention, since the liquid crystal display (LCD) is removed from the main body of the portable personal information terminal, the thickness thereof becomes thin and easy to carry. A keyboard and a function key are provided on the main body to separate the keyboard screen from the liquid crystal display. There is no need to float the display to maximize the utilization of the LCD display.

In addition, the present invention portable personal information terminal allows the module such as a wireless communication modem to be attached to the rear of the main body 300 can be attached in the form of a jacket rather than an insertion type to extend the functionality and at the same time wireless communication with advanced technology Modules or location information system (GPS) devices can also be easily mounted and used without disassembling the terminal, and at the same time, there is an advantage that a memory card can be utilized.

The present invention is connected to the cover portion 100 and the main body 300, the connecting portion is coupled to the hinge to cover the cover portion 100 to the main body 300 when carrying without using the portable personal information terminal In order to protect the key input unit 310 and the liquid crystal display screen 110 from external impact.

1 is a perspective view showing a conventional portable personal information terminal,

Figure 2 is a view showing the top surface of the conventional portable personal information terminal of Figure 1,

Figure 3 is a perspective view showing a state in which the cover portion of the present invention portable personal information terminal open;

Figure 4 is a perspective view showing the folded state of the cover portion of the present invention portable personal information terminal,

5 is a perspective view and a partially enlarged view of the module mounting portion of the present invention portable personal information terminal;

6 is a perspective view and a partially enlarged view showing one surface of a module jacket fastened to the module mounting portion of the portable personal information terminal of the present invention;

FIG. 7 is a perspective view illustrating another surface of the module jacket of FIG. 6;

8 is a perspective view showing a module jacket is fastened to the present invention portable personal information terminal.

* Explanation of symbols for main parts of the drawings

100: cover 110: liquid crystal display device

200: connecting portion 300: main body

310: key input unit 311: multiple function keys

312: multiple character keys 320: expansion slot portion

330: serial communication unit 340: module mounting unit

341: connection port 342: slide groove

343: protrusion 350: infrared communication unit

400: module jacket 410: module

420: slide fastener 430: fastening groove

440: module port

The portable personal information terminal according to the present invention for realizing the above object comprises: a lid part 100 having a liquid crystal display device 110 for displaying a program or input data to be executed and inputting data by touching a screen; A main body 300 having a main board composed of a CPU, a memory, and other logic, and comprising input means such as a plurality of character keys 312 and function keys 311 and an interface device with an external system; By hinge-connecting the cover part 100 and the main body part 300, the cover part 100 is covered by the main body part 300, and the liquid crystals of the main body part 300 and the cover part 100 are connected. The display device 110 is characterized by consisting of a connection unit 200 to exchange data between.

The main body 300 includes a key input unit 310 composed of a plurality of character keys 312 and a plurality of function keys 311; An expansion slot part 320 into which an external memory card is inserted; A serial communication unit 330 for transmitting and receiving data by connecting to a computer, a laptop, and the like; An infrared communication unit 350 for infrared communication; Located on the back of the main body 300 is configured to include a module mounting unit 340 to mount a module jacket 400, such as a wireless communication module or a location information system (GPS) module is built.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

3 is a perspective view showing a state in which the cover part 100 of the present invention portable personal information terminal is opened, and FIG. 4 is a perspective view showing a state in which the cover part 100 of the present invention portable personal information terminal is closed, and FIG. 6 and 7 are perspective views showing a module jacket 400 fastened to the module mounting portion 340 of the present invention portable personal information terminal. And partially enlarged view, Figure 8 is a perspective view showing a state in which the module jacket 400 is fastened to the portable personal information terminal of the present invention.

As shown in FIG. 3, the cover part 100 is provided with a liquid crystal display (LCD) 110 so that an executed program or data can be displayed, and the liquid crystal display device 110 includes the main body. It receives the data from the 300 and displays it, and displays the state of executing the character and the program of the specific function input by the operation of the text key 312, the function key 311 of the main body 300.

In addition, the program is executed by touching a program or the like displayed on the liquid crystal display device 110 of the cover part 100.

The main body 300 includes a key input unit 310 composed of input buttons such as a plurality of character keys 312 and a plurality of function keys 311; An expansion slot unit 340 into which an external memory card is inserted; A serial communication unit 330 connected to a computer, a notebook, and the like to transmit and receive data; An infrared communication unit 350 that is a wireless communication device using infrared light; Located in the rear of the main body 300 is configured to include a module mounting portion 340 is mounted a module jacket 400, such as a built-in wireless communication module or a location information system (GPS) module.

The key input unit 310 is located in front of the main body 300, a plurality of character keys 312 consisting of keys of Korean, English, numbers, spaces, and other various functions; It consists of a plurality of program keys for quickly and easily executing a specific application program and a plurality of function keys 311 such as a four-way key for easily moving a cursor of a liquid crystal display or a game.

The expansion slot part 320 of the main body part 300 has a slot shape so that a memory card or the like can be inserted therein. When the memory card is inserted into the expansion slot part 320, the expansion slot part 320 is disposed inside the expansion slot part 320. A plurality of pins and ports of the memory card are connected to transmit and receive data between the memory card and the portable personal information terminal.

Memory cards have various capacities and can overcome the limitations of memory storage capacity of portable personal information terminals.

The serial communication unit 330 is for transmitting and receiving data by connecting a portable personal information terminal with a computer, a notebook, and the like with a cable, and is composed of a plurality of pins.

A file or an e-mail message stored in a computer, a laptop, etc. may be connected to the serial communication unit 330 by a cable to execute a synchronization program and stored in a memory of the portable personal information terminal. In addition, various information stored in the portable personal information terminal can be transferred to the computer and stored through the serial communication unit.

The infrared communication unit 350 is a device for wirelessly exchanging mutual data with a system equipped with an infrared communication (IrDA) protocol and a device, by wirelessly transmitting and receiving data between portable personal information terminals and portable personal information terminals and computers. It is a device that can exchange data conveniently and quickly.

The module mounting part 340 is located at the rear of the main body 300, the module jacket 400 is a module having a specific function, such as a wireless communication module, a location information system (GPS) module built in the module unit 410 Equipped with the data, such as Internet, telephone, location information anytime, anywhere to receive or transmit.

The module mounting portion 340 will be described in detail with reference to the accompanying drawings.

As shown in Figures 5 to 8, the module mounting portion 340 is a portion in which the module jacket 400 in which the wireless communication module or the location information system module is mounted is mounted. 341); It is composed of a projection 343 and the slide groove 342 to which the module jacket is attached.

The module jacket 400 has a fastening groove 430 and a slide fastening part 420 to be fastened to the module mounting part 340, and a connection port 341 of the module mounting part for data exchange with a portable personal information terminal. It consists of a module port 440 is in contact with. That is, data is transmitted and received through the connection port 341 of the module mounting unit 340 and the module port 440 of the module jacket 400, and the module port 440 is a wireless communication system mounted inside the module unit. Or connected to a location information system.

The slide fastening portion 420 of the module jacket 400 is inserted into the slide groove 342 of the module mounting portion 340, and the protrusion of the module mounting portion is inserted into the fastening groove 430 of the module jacket 400. As the 343 is inserted and attached, the plurality of pins of the module port 440 of the module jacket 400 and the plurality of pins of the connection port 341 are in contact with each other, thereby transmitting and receiving data.

Referring to the process of attaching the module jacket 400 to the module mounting portion 340 in detail, the slide fastening portion 420 formed along both end surfaces of one surface of the module jacket 400 is the module from the bottom of the portable personal information terminal The slide groove 342 of the module mounting part 340 slides into the slide groove 342 of the mounting part 340 and is formed in the fastening groove 430 formed at the upper end of the slide fastening part 420 of the module jacket 400. The protrusion 343 formed at the end is inserted and fastened.

When the module jacket 400 is fully engaged with the module mounting part 340, the respective pins of the module port 440 of the module jacket 400 and the connection port 341 of the module mounting part 340 are attached to each other. This exchanges electrical signals.

The module part 410 of the module jacket 400 has a module that functions as a wireless communication modem or a location information system, and the module is connected to the module port 440 to transmit and receive data with a portable personal information terminal. Will be.

In addition, the battery 450 may be mounted at the bottom of the module unit of the module jacket to supply power to the system embedded in the module unit 410.

As described above, the portable personal information terminal of the present invention is configured such that the lid part 100 on which the liquid crystal display device 110 for displaying data is mounted and the main body part 300 on which the key input part 310 is mounted are connected by a hinge. Thus, without having to display the keyboard screen on the liquid crystal display 110 separately, it is possible to easily input data by directly using the character keys 312, and further, the utilization of the liquid crystal display screen 110 is maximized.

In addition, when the cover part 100 is folded, the cover part is overlapped with the main body part 300 to protect the LCD screen 110 and the key input part 310 from external shocks, and the like. And it can prevent entering into the clearance of the character key 312 or the like.

In addition, there is a module mounting unit 340 equipped with a built-in module jacket 400, such as a wireless communication system or a location information system, simply by personal information management functions such as personal address book, message, schedule, Internet, email, wireless telephone You can extend the functionality.

In addition, the conventional portable personal information terminal with a built-in wireless communication module has to manufacture a new terminal to apply the upgraded communication module due to the development of the communication module technology, the present invention only needs to install a new communication module new technology Can be used semi-permanently.

In addition to the module mounting unit 340, there is an expansion slot unit 320, which enables memory expansion using a memory card or the like. The large data can be received and stored at the same time.

Therefore, the present invention is a portable personal information terminal equipped with both the functionality of a computer or a notebook that provides a variety of functions and the portability of a mobile phone that can be used anywhere, anytime.

Claims (3)

In a portable personal information terminal, A lid portion attached to a liquid crystal display for displaying a program to be executed or inputted data and inputting data by touching a screen; A main body including a main board composed of a CPU, a memory, and other logic, and comprising input means such as a plurality of character keys and function keys and an interface device with an external system; And a coupling part configured to hingely connect the cover part and the main body part so that the cover part is covered with the main body part, and a connection part for exchanging data between the main body part and the liquid crystal display device of the cover part. According to claim 1, The main body unit includes a key input unit including a character keyboard and a plurality of function keys; An expansion slot unit into which an external memory card is inserted; A serial communication unit for transmitting and receiving data by connecting to a computer, a laptop, and the like; An infrared communication unit for infrared communication; Portable personal information terminal, characterized in that it comprises a module mounting portion which is located on the rear of the main body and the module jacket is embedded with a wireless communication module or a location information system (GPS) module. The method of claim 2, The module mounting portion includes a protrusion and a slide groove for fastening a module jacket in which a wireless communication module or a position information system (GPS) module is embedded; It comprises a connection port consisting of a plurality of pins for data communication with the electronic circuit embedded in the module jacket, the slide fastening portion of the module jacket is inserted into the slide groove, the projection portion in the fastening groove of the module jacket And a plurality of pins of the module port of the module jacket and a plurality of pins of the connection port are respectively in contact with each other to be inserted and attached to the portable personal information terminal.