KR100565204B1 - Method and apparatus of wireless modem for computer with data terminal - Google Patents

Abstract

The present invention provides a data terminal for operating as an active terminal of a computer and a wireless modem, comprising: a mobile communication unit for wirelessly connecting to a mobile communication system and transmitting and receiving voice signals and data signals; A terminal unit for processing, recording, and outputting data input by a self-equipped processor; A wireless control unit connected to the mobile communication unit for controlling and monitoring input and output of a mobile communication signal; A first switch unit configured to selectively set the path of the mobile communication unit and the wireless control unit by switching by a control signal; A second switch unit configured to select and switch the path of the terminal unit and the first switch unit by a control signal; A control unit controlling each path selection of the first switch unit and the second switch unit, and controlling and monitoring each function unit; And a 24 pin unit connected to the second switch unit to form a data transmission path to the outside, and the control unit of the data terminal further comprises: a connection process of determining whether a computer is connected through the 24 pin unit; A setting step of determining whether to set a wireless modem when the computer is connected by determining in a connection process; When the wireless modem is set in the setting process, a switching process of switching off the path setting of the connected computer and the terminal and switching the path between the mobile communication unit and the mobile communication unit is performed, thereby automatically converting the data terminal to the active terminal or the external wireless modem. Select operation.

Description

TECHNICAL AND APPARATUS OF WIRELESS MODEM FOR COMPUTER WITH DATA TERMINAL}

1 is a diagram illustrating a connection state between a terminal and a modem of a computer according to the prior art;

2 is a state diagram of a data terminal and computer connection improved by the prior art;

3 is an explanatory diagram of a technology development state of a data terminal;

4 is a functional diagram of a computer wireless modem device of a data terminal according to the present invention;

5 is an explanatory diagram of a switch connection state of a data terminal according to the present invention;

6 is a flowchart illustrating a computer wireless modem method of a data terminal according to the present invention.

** Explanation of symbols on the main parts of the drawing **

100: data terminal 110: mobile communication unit 120: terminal unit

130: wireless control unit 140: first switch unit 150: second switch unit

160 control unit 170 24-pin unit 200 computer

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention applies to a computer wireless modem as a portable data terminal. More particularly, the present invention relates to a computer wireless modem apparatus and method for a data terminal that uses both a data terminal and a wireless modem of a computer using a dual switch structure.

The data terminal, called a PDA (PERSONAL DIGITAL ASSISTANCE), was initially developed as a pocket or palm computer, and was used for personal portable or business calculation, information storage and retrieval functions. The terminology refers to a small computer device with a general term, and is used to manage schedules, calendars, address books, phone number information, and the like. The PDA is a product name of a specific manufacturer, which is used as a general noun, and other manufacturers. The (MAKER) trade name is, for example, PALMTOP of HP Corporation, PALMPILOT of 3Com Corporation, and the like.

These data terminals generally have a small keyboard, but some products have electronic pads that recognize handwritten text, some have soft keyboards, and Microsoft's operating system for Windows CE. (OS) or use its own dedicated operating system, personal schedules, address book storage and retrieval, calculator, calendar, memo input, etc., many applications have been developed to expand the scope of application, mobile terminal or It adds a pager function.

When using the data terminal connected to a computer (PC), it can be used as an active terminal of the computer or as an external modem for wireless data communication of the computer (EXTERNAL MODEM).

However, the data terminal of the PDA may be connected to a computer and used as an active terminal, or a mobile communication function may be used as an external wireless modem of the computer. Although used as a function, there is a need to develop a technology for automatically selecting and using the function.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A computer connection technique of a data terminal according to the prior art will be described with reference to the accompanying drawings.

1 is an explanatory diagram of a terminal and modem connection state of a computer according to the prior art, FIG. 2 is a diagram of a data terminal and computer connection state improved by the prior art, and FIG. It is explanatory drawing of the state of the technology development of the terminal.

Referring to FIG. 1, a conventional technology is used. The connection between the computer and the terminal includes connecting the data terminal unit 10 to the computer 20 and connecting the computer 20 to a host computer. The data terminal unit 10 is operated as a slave computer or terminal.

In addition, the connection between the computer and the modem is a method of connecting the wireless modem unit 30 to the computer 20, and wirelessly connecting to the other party designated by the computer 20 to transmit and receive data. The other party wirelessly connected through the 30 includes the Internet INTERNET.

The connection between the computer 20 and the terminal unit 10 or the modem unit 30 uses a method selected from serial or parallel data transmission methods.

That is, the conventional technology as described above has a problem that the method of connecting to the computer 20 and transmitting data is different from each other in a serial or parallel manner by a user or a corresponding product, and selectively connects the terminal unit 10 to the modem unit ( There is a problem of selectively connecting 30).

Hereinafter, the conventional improved data terminal and computer connection configuration will be described with reference to the accompanying FIG. 2. The data terminal 40 simultaneously displays, stores, outputs and displays its own data such as calendar, calculator, phone book management, and the like. A terminal unit 15 for processing, recording, storing, and outputting data input from the outside; A wireless modem unit 35 functioning as a mobile communication portable terminal to perform voice level communication and data level communication; A data terminal 40 connected to the terminal unit 15 and the wireless modem unit 35 and including a switch unit 50 for selecting and setting a data transmission path according to a control signal, and the data terminal 40. And a computer 20 for recording, storing, and displaying the data by the control command and data inputted therein and transmitting the data to the data terminal 40.

That is, the data terminal 40 processes, outputs and displays the data input by the terminal unit 15 itself, and the voice level communication and data of the mobile communication terminal by the wireless modem unit 35 itself. Class communication.

When the computer 20 is connected, the switch unit 50 switches the computer 20 and the terminal unit 15 by switching when the computer 20 intends to use the data terminal 40 as a slave computer or a terminal terminal. Data transmission path of the computer 20 and the wireless modem unit 35 by switching (SWITCHING) when the computer 20 intends to use the data terminal 40 as an external wireless modem. Set.

That is, the computer 20 uses the data terminal as a slave terminal terminal or an external wireless modem, and the selection is performed by the switch unit 50 switching by a corresponding control command. .

Referring to FIG. 3, the mobile terminal for mobile communication initially provides voice communication, and is further developed to add 1X data communication of about 300 Kbps or less, and further developed to play music data of MP3. In addition, it has been further developed to further develop an EVDO data communication function capable of high-speed data communication of 300 Kbps or more.

The data terminal (PDA) is provided with a processor and processes data on its own, and is further developed from a low-cost type such as calculator, memo writing, message writing, address book management, phone book management, and the like, using a voice signal and a text signal. And a multimedia signal processing function including a video signal is added, and further developed, a Bluetooth (BLUE TOOTH) for short-range communication using light and a WLAN (WLAN) function for short-range communication through wireless connection are added.

A smart data terminal (SMART PDA) developed by adding a mobile terminal for mobile communication to the data terminal as described above will now be described collectively as a data terminal.

The data terminal 40 having the above-described configuration performs voice level, data level, multimedia level communication, and processes and stores various data signals and multimedia signals by itself, and stores and stores Bluetooth, BLUE TOOTH, and WLAN. Use WIRELESS LAN) to communicate with other nearby data terminals or computers.

However, the data terminal according to the prior art having the above-described configuration has a problem of incompatibility because the standards for connecting to the computer are different for each user or manufacturer, and the like. In case of being used as a wireless modem, there is an inconvenient problem in that the data transmission path should be switched by selecting the corresponding control signal.

The present invention is provided with a mobile communication unit of the data terminal and a switch unit for changing the data transmission path to the terminal unit, respectively, the computer of the data terminal to be used as a synchronized terminal and a wireless modem by controlling the respective switches while the computer is connected It is an object of the present invention to provide a wireless modem device and method.

The present invention has been made in order to achieve the above object, the mobile communication system and the wireless communication unit for transmitting and receiving voice signals and data signals; A terminal unit for processing, recording, and outputting data input by a self-equipped processor; A wireless control unit connected to the mobile communication unit to control and monitor input / output of a mobile communication signal; A first switch unit configured to selectively set the path of the mobile communication unit and the wireless control unit by switching by a control signal; A second switch unit for switching and setting the path of the terminal unit and the first switch unit by a control signal; A control unit controlling each path selection of the first switch unit and the second switch unit, and controlling and monitoring each function unit; And a 24 pin portion connected to the second switch portion to form a data transmission path to the outside.                         

In addition, the present invention devised to achieve the above object, the control unit of the data terminal comprises a connection process for determining whether the computer is connected through the 24-pin unit; A setting step of determining whether to set a wireless modem when the computer is connected by determining in the connection process; When the wireless modem is set in the setting process, the switching process of switching off the path setting of the connected computer and the terminal part and switching the path setting with the mobile communication part is performed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a computer wireless modem device and method of a data terminal will be described with reference to the accompanying drawings.

4 is a diagram illustrating a functional configuration of a computer wireless modem device of a data terminal according to the present invention, FIG. 5 is a diagram illustrating a switch connection state of a data terminal according to the present invention, and FIG. A flowchart of a computer wireless modem method for a data terminal according to the present invention.

Referring to FIG. 4 and FIG. 5, the computer wireless modem device of the data terminal 100 according to the present invention is wirelessly connected to a mobile communication system and transmits and receives a voice signal and a data signal. When the first switch unit 140 receives a signal and establishes a signal transmission path with the wireless controller 130, the mobile communication is operated, and the first switch unit 140 establishes a path with the second switch unit 150. When the second switch unit 150 establishes a signal transmission path with the 24-pin unit 170 under the control of the controller 160, the mobile communication unit 110 operates as a wireless modem under the control of the computer 200;

Process, record, and output the data input by the processor provided in the self-processing, record storage and output display by the processor itself, while at the same time processing record storage and display data applied from the computer 200, A terminal unit 120 having an active terminal configuration for outputting the processed data to the computer 200;

A wireless control unit 130 connected to the mobile communication unit 110 to control and monitor input and output of a mobile communication signal;

When the path (PATH) of the mobile communication unit 110 and the wireless control unit 130 is selected and set by switching by a control signal, when the mobile communication unit 110 under mobile control under the control of the control unit 160 A first switch unit 140 for setting a signal transmission path with the wireless control unit 130 and setting a signal transmission path with the second switch unit 150 when operating as an external wireless modem;

A second switch unit 150 for switching and setting the paths of the terminal unit 120 and the first switch unit 140 by a control signal;

Control the path selection of the first switch unit 140 and the second switch unit 150, and controls and monitors each function unit, if the mobile communication unit 110 is operated as a mobile communication means the first switch unit ( Control the control unit 140 to establish a signal transmission path with the wireless control unit 130 and control the second switch unit 150 when the terminal unit 120 is operated as a data terminal or an active terminal. When the computer 200 connected to the 24-pin unit 170 operates the mobile communication unit 110 as a wireless modem, the mobile communication unit 110 controls the communication signal 110 to establish a signal transmission path with the 170. A controller 160 for controlling a communication path between the 24-pin unit 170 through the switch 140 and the second switch 150;

A 24-pin unit 170 connected to the second switch unit 150 to form a data transmission path with the outside;

A computer 200 is connected to the 24-pin unit 170 and processes a large amount of data, records, stores, and outputs the data by its own processor.

Hereinafter, a computer wireless modem device of a data terminal according to the present invention having the above configuration will be described in detail with reference to the accompanying drawings.

The mobile communication unit 110 constituting the data terminal 100 wirelessly connects to a base station (BS) of a mobile communication system, transmits and receives a communication signal, and receives a corresponding communication applied from the wireless control unit 130. Operated by data and control signals, the communication signal is transmitted from the radio controller 130 according to the signal transmission path set by the first switch unit 140 and the received communication signal is applied to the radio controller. .

The first switch unit 140 sets and blocks a transmission path of a communication signal between the mobile communication unit 110 and the wireless control unit 130 by monitoring and controlling the control unit 160.

The terminal unit 120 processes, records, stores, outputs, and displays data inputted by a self-provided processor. The data processing is, for example, a calculator, a calendar, an address and a phone number management. And search, take notes, write messages, process videos and so on.

The terminal unit 120 processes a data inputted by itself, records, stores and displays the data input from the computer 200, and outputs the processed data to the computer 200 (SMART TERMINAL). ) Or active terminal (ACTIVE TERMINAL).

That is, when the computer is not connected to the 24-pin unit 170, the terminal unit 120 is operated as a data terminal (PDA) 100 that processes data on its own, and the computer 200 is connected to the 24-pin unit 170. ) Is connected, when the computer 200 is connected via the set communication path of the second switch unit 150 under the control of the controller 160, the smart terminal or the active terminal of the computer 200 In addition, the data applied from the computer 200 can be simply displayed, modified and processed by itself, recorded and stored in a memory area provided therein, and outputted to the computer 200 if necessary.

The controller 160 analyzes a control signal input from the computer 200 through the 24-pin unit 170, and in the analysis, the computer 200 intends to designate a specific counterpart connected to a public communication network. By controlling the first switch 140 and the second switch 150, the path between the terminal 120 and the computer 200 and the path between the mobile communication unit 110 and the wireless control unit 130 are blocked. In addition, the computer 200 connected to the 24-pin unit 170 and the mobile communication unit 110 establish a communication path for directly transmitting data.

As described above, the routing switching states of the first switch unit 140 and the second switch unit 150 under the control of the controller 160 are illustrated in detail in FIG. 5.

Referring to FIG. 5 again, in the solid line path between the first switch unit 140 and the second switch unit 150, the mobile communication unit 110 is used as its own mobile communication means, and the terminal unit 120 Is used as a data terminal or as an active terminal of the computer 200. The dotted line path indicates that the computer 200 intends to use the data terminal 100 as an external wireless modem. 160 illustrates a state in which a computer directly connects a data transmission / reception path with a mobile communication unit.

According to the present invention having the above-described configuration, when the computer 200 connected to the data terminal 100 intends to transmit and receive data by connecting to a specified counterpart, the control unit 160 detects the first switch unit 140 and the first unit. 2 controls the switch unit 150 to set the communication path directly connected, so that the data terminal 100 is automatically set to an external wireless modem.

Hereinafter, a computer wireless modem method of a data terminal according to the present invention will be described with reference to FIG.

The control unit 160 of the data terminal 100 determines whether or not the computer 200 is connected through a 24-pin unit 170 as a detection of a predetermined signal (S100),

It is determined in the connection process (S100) to determine whether to set the wireless modem when the computer 200 is connected, the control unit 160 of the data terminal 100 is connected to the 24-pin unit 170 (200) A setting process (S110) of determining that the other party is to use the wireless modem when detecting a predetermined control signal for data transmission and reception from the other;

When the wireless modem is set in the setting process (S110), switching of the path setting of the connected computer 200 and the terminal unit 120 is blocked and switching of the path between the mobile communication unit 110 is established. Switching to block signal transmission path setting of the computer 200 and the terminal unit 120 by the control unit 160 (S120); The control unit 160 comprises a switching process consisting of switching the connection of the path setting of the computer 200 and the mobile communication unit 110 (S130).

Hereinafter, according to the present invention having the configuration described above, a computer wireless modem method of a data terminal will be described in detail with reference to FIG.

The control unit 160 of the data terminal 100 monitors the 24-pin unit 170 and determines whether or not the predetermined signal is detected whether the computer 200 is connected (S100) or the determination (S100). If the computer 200 is connected, it is determined whether the connected computer 200 intends to operate the data terminal 100 as a wireless modem by detecting the control signal (S110).

If it is detected by the control unit 160 to transmit a dialing control signal for calling a specific counterpart from the computer 200 connected to the 24-pin unit 170 (S110), the control unit 160 determines the second. 2, the switch 150 is controlled to cut off the connection between the 24-pin unit 170 and the terminal unit 120, and perform switching control to connect the first switch unit 140 (S120), and further, the first switch. The control unit 140 controls switching so that the mobile communication unit 110 is connected to the second switch unit 150 while being connected to the wireless control unit 130 (S130).

Since the computer 200 is directly connected to the mobile communication unit 110 of the data terminal 100 and outputs a corresponding control signal, the computer 200 wirelessly connects with a desired specific counterpart and wirelessly transmits various data signals to the other party.

That is, when the computer 200 operates the data terminal 100 connected through the 24-pin unit 170 as an active terminal and wants to transmit and receive data by wirelessly connecting to a specific counterpart, the control terminal transmits a corresponding control signal to the data terminal. Since the control unit 160 detects and recognizes and switches the data transmission path, the data terminal 100 is operated as an external wireless modem.

According to the present invention having the above-described configuration, a data terminal for data processing, recording, storing, and outputting the mobile terminal and having a mobile communication is connected through a connector of a 24-pin unit, and an active terminal or an external device is connected by a corresponding control command. There is an industrial use effect to selectively operate as a wireless modem.

In addition, there is a convenient effect of using the connected data terminal to automatically select and operate the active terminal or the external wireless modem by the control command.

Claims (5)

A mobile communication unit which wirelessly connects to a mobile communication system and transmits and receives a voice signal and a data signal; A terminal unit for processing, recording, storing, and displaying data inputted by a self-provided processor; A wireless control unit connected to the mobile communication unit to control and monitor input / output of a mobile communication signal; A first switch unit configured to selectively set the path of the mobile communication unit and the wireless control unit by switching by a control signal; A second switch unit for switching and setting the path of the terminal unit and the first switch unit by a control signal; A control unit controlling each path selection of the first switch unit and the second switch unit and controlling and monitoring each function unit; And a 24-pin unit connected to the second switch unit to form a data transmission path to the outside. According to claim 1, Under the control of the controller, the first switch unit sets a signal transmission path with the wireless control unit when the mobile communication unit performs mobile communication, and transmits a signal with the second switch unit when operating with an external wireless modem. Set the path, The second switch unit sets a signal transmission path with the 24-pin unit when the terminal unit operates as a data terminal or an active terminal under the control of the controller, and when operating as an external wireless modem, the first switch unit. A computer wireless modem apparatus for a data terminal, characterized in that the signal transmission path is configured to set the switch unit and the 24-pin unit. The method of claim 1, wherein the control unit, When the mobile communication unit is operated as a mobile communication means to control the first switch unit to control to establish a signal transmission path with a wireless control unit, When the terminal unit is operated as a data terminal or an active terminal, the second switch unit is controlled to establish a signal transmission path with a 24-pin unit, When the computer connected to the 24-pin unit operates the mobile communication unit as a wireless modem, the mobile communication unit is configured to control to establish a communication path with the 24-pin unit through a first switch and a second switch. Computer wireless modem device for data terminals. The control unit of the data terminal is connected to determine whether the computer is connected through the 24-pin unit; A setting process of determining whether to set a wireless modem when the computer is connected by determining in the connection process; When the wireless modem is set in the setting process, a switching process of switching off the path setting of the connected computer and the terminal unit and switching switching of the path between the mobile communication unit is performed. The method of claim 4, wherein the switching process, A switching step of blocking signal transmission path setting of the computer and the terminal by the controller of the data terminal; And switching the path setting of the computer and the mobile communication unit by the control unit.

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