KR200204529Y1 - Wireless data communication apparatus having voice communication ability - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a device that is connected to a notebook computer or PDA (PERSONAL DIGITAL ASSISTANTS; hereinafter referred to as 'personal information terminal') to perform wireless data communication.

2. The technical problem the invention is trying to solve

It is possible to perform a voice call through a wireless data communication device.

3. Summary of solution of design

SUMMARY OF THE INVENTION In an aspect of the present invention, an apparatus for performing wireless data communication,

A wireless data communication device connected to the portable information terminal to perform data communication; And,

And an additional device connected to the wireless data communication device to perform a voice call. The wireless data communication device includes a corresponding voice and / or key according to a voice and / or key input generated from the additional device when a voice mode is selected. It modulates an input signal and transmits it to a wireless network, and demodulates a signal received from the wireless network to output voice and / or data to the additional device.

4. Important uses of the devise

The present invention is used for wireless data communication of a notebook or personal digital assistant.

Description

Wireless data communication device having a voice call function {WIRELESS DATA COMMUNICATION APPARATUS HAVING VOICE COMMUNICATION ABILITY}

The present invention relates to a wireless data communication device used in a laptop computer (NOTEBOOK COMPUTER) or PDA (PERSONAL DIGITAL ASSISTANTS; hereinafter referred to as 'personal information terminal'), and more particularly to a wireless data communication device capable of voice calls.

In general, in order to perform data communication through a notebook or personal digital assistant, a connection jack for connecting a wired modem and a wired modem to a wired line is required. In particular, in the case of wireless, a jack for connecting a wireless modem, a wireless terminal, the wireless modem and a wireless terminal (PCS, cellular, etc.) is required.

The signal processing and control unit (see Fig. 1) of a terminal using a conventional code division multiple access (CDMA) method outputs a signal by the RS-232C method. Therefore, the RS-232C signal output to the conventional wireless terminal is transmitted to the wireless modem through the jack. The transmitted signal is converted into PCMCIA (PERSONAL COMPUTER MEMORY CARD INTERNATIONAL ASSOCIATION) method by the wireless modem and input to the notebook computer or personal information terminal.

That is, in order to perform wireless data communication through a conventional notebook computer or a personal information terminal, a wireless terminal, a connection jack, and a wireless modem are required, and thus there is a problem in that storage is not easy when moving. In addition, there is a problem in that the wireless modem is inserted into the notebook and the terminal and the wireless modem must be connected to the connection jack. In addition, since the RS-232C serial communication method is used as described above, there is a problem that the data processing speed is also lowered.

Furthermore, considering only data communication through a notebook computer or a personal information terminal, the existing wireless terminal has an unreasonable problem because the devices provided in the notebook or personal information terminal such as a voice input / output unit, a display unit, and a key input unit are duplicated. That is, in order to perform wireless data communication through a notebook computer or a personal information terminal, the user has to purchase a wireless terminal, a modem, and a connection jack equipped with a voice input / output unit, a display unit, a key input unit, and the like, which is expensive. In other words, since there is no device for wireless data communication only, an expensive wireless terminal having a device unnecessary for wireless data communication such as a voice input / output unit, a display unit, and a key input unit has to be purchased and used. In addition, the conventional method has a problem in that data communication cannot be performed when a battery used as a power source of a wireless terminal is exhausted.

Recently developed to solve the above problems is the wireless data communication device shown in Figure 1a.

1A is a diagram illustrating a schematic configuration of a conventional wireless data communication device.

2A is a control flowchart for operating a conventional wireless data communication device.

First, a device for conventional wireless data communication will be described with reference to FIG. 1A.

The wireless data communication apparatus 10 down-converts and amplifies and outputs an antenna 19 for transmitting / receiving a radio signal and a radio signal received through the antenna 19, and up-converts the transmission signal. And a wireless transmitter / receiver 11, 12, 14, 15 for amplifying and outputting the antenna 19 to the antenna 19, and a first connector 1 for connecting with a slot of a computer. Signal processing and control unit performing interworking with the computer and the wireless network according to the connection state of the interface unit 13 and the computer, and performing data modulation / demodulation according to the wireless network to perform the wireless data communication mode. It consists of 100.

The signal processing and control unit 100 demodulates and outputs the signal output from the IF receiving unit 12 by the CDMA (CODE DIVISION MULTIPLE ACCESS) method and modulates the signal input from the computer by the CDMA method for data communication. Output to (14). In addition, the signal processing and control unit 100 controls the overall operation of the wireless data communication device 10 and detects a connection state of the wireless data communication device 10 to initialize and call connection and termination for interworking with a wireless network and a computer. Perform the operation for

The wireless transceiver consists of an RF receiver 11, an IF receiver 12, an IF transmitter 14, and an RF transmitter 15. The RF receiver 11 amplifies, filters, and outputs the signal received from the antenna 19. The IF receiver 12 downconverts and amplifies the signal output from the RF receiver 11 into an intermediate frequency band, filters the signal, and outputs the signal to the signal processing and control unit 100. The IF transmitter 14 upconverts and amplifies the signal modulated by the CDMA method into an intermediate frequency band and outputs the amplified signal. The output signal is again converted into a radio frequency band by the RF transmitter 15, amplified and provided to the antenna 19 to be transmitted to the wireless network.

The PCMCIA interface unit 13 includes a first connector 1 for connecting with a slot of a computer, and converts the data output from the signal processing and control unit 100 into a PCMCIA interface method for communicating with a computer. . In addition, the signal input from the computer is converted and output to the signal processing and control unit 100. The interface unit 13 also serves to supply power provided from the PCMCIA slot of the computer to the wireless data communication device.

A general description of the PCMCIA method is as follows. PCMCIA is a new system of the international memory card standard that expands the function by inserting it in the form of a card as an optimum peripheral device that can be used in a portable computer (a laptop computer or a personal digital assistant). That is, the expansion slot of the desktop computer is modified to be used in the notebook computer. It is easy to carry around and easy to install because it is shaped like a small notebook or card to make use of 'portability', a typical characteristic of notebook computers. At the same time, it retains the 'scalability' of expansion slots. For example, a modem for PCMCIA can be used by simply plugging the modem card into the PCMCIA slot. The universal use of PCMCIA makes computer usage very simple. In the meantime, to add a new board, the user had to open the computer case, adjust jumpers and dipswitches to drive the desired functions, insert the board, and run the software. With a PCMCIA card, however, you can plug the unit into the slot and run the operating software to get the feature right away. Therefore, even beginners can easily use the professional features. Peripherals currently accepted by the PCMCIA standard include memory, hard disk drives (HDDs), fax modems, LAN cards, music cards, data modems, emulators, controllers, and wireless modems.

By using the PCMCIA interface unit 13 which can be used by plugging into the PCMCIA slot built into the computer as described above, no wireless terminal, connecting cable and modem are required as in the past, the installation is simple, and the low cost wireless data communication A device can be provided.

The lamp 18 indicates whether power is supplied to the wireless data communication device 10 and a state of transmitting / receiving data. The embodiment according to the present invention has a lamp for indicating the power supply, a lamp for indicating the transmission of data, and a lamp for indicating the reception of data (see FIG. 3).

Hereinafter, an operation of a conventional wireless data communication apparatus will be described with reference to FIGS. 1A and 2A.

When the user inserts the wireless data communication device 10 into the slot of the computer using the first connector 1 in step 210 of FIG. 2A, power is supplied from the computer to the signal processing and control unit 100 through the interface unit 13. Supplied. When power is supplied, the signal processing and control unit 100 drives a program for operating the wireless data communication device 10. By driving the program, the signal processing and control unit 100 synchronizes based on a signal received from a wireless network, and performs user authentication and registration.

In operation 211, the signal processing and control unit 100 transmits a related message to the computer through the interface unit 13. When the response message is received from the computer by the related message, it is determined that the computer is connected to the wireless data communication device 10. The operations in steps 210 to 211 become an initialization operation for driving the wireless data communication device 10.

If there is a data communication request from the computer in step 212, the signal processing and control unit 100 proceeds to step 213 to perform a data communication mode.

The data communication mode includes performing a call connection, modulating the data input from the computer and transmitting the data to the wireless network, and demodulating and transmitting the signal received from the wireless network to the computer.

In step 210 and step 213, the signal processing and control unit 100 lights the lamp 18 according to power supply and data transmission and reception so that the user can grasp the operation of the wireless data communication device.

However, such a wireless data communication device can only be used for data communication, which has a problem in that its utility is inferior.

SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide a composite device capable of performing general telephone communication using a conventional wireless data communication device.

1A is a diagram illustrating a schematic configuration of a conventional wireless data communication device.

1B is a diagram illustrating a schematic configuration of a wireless data communication apparatus according to an embodiment of the present invention.

2A is a control flowchart for operating a conventional wireless data communication device.

2B is a control flowchart for operation of a wireless data communication device according to an embodiment of the present invention.

3 is a perspective view illustrating a combination of a wireless data communication device and an additional device according to an embodiment of the present invention.

* Explanation of symbols for the main parts of the drawings

10: wireless data communication device 100: signal processing and control unit

11: RF receiver 12: IF receiver

13 PCMCIA interface 14 IF transmitter

15: RF transmitter 16: ear microphone terminal

17: ear microphone 18: lamp

19: antenna 20: additional device

21: battery 22: key input unit

23: display unit 24: voice input and output unit

Embodiments of the present invention for achieving the above object in the apparatus for performing wireless data communication,

A wireless data communication device connected to the portable information terminal to perform data communication; And,

And an additional device connected to the wireless data communication device to perform a voice call. The wireless data communication device includes a corresponding voice and / or key according to a voice and / or key input generated from the additional device when a voice mode is selected. It modulates an input signal and transmits it to a wireless network, and demodulates a signal received from the wireless network to output voice and / or data to the additional device.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. In the following description, numerous specific details, such as specific configurations, are shown, which are provided to assist in a more general understanding of the present invention, and the present invention may be practiced without these specific details. It is self-evident to those who have. And in describing the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted. The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

1B is a diagram illustrating a schematic configuration of a wireless data communication apparatus according to an embodiment of the present invention.

2B is a control flowchart for operation of a wireless data communication device according to an embodiment of the present invention.

3 is a perspective view illustrating a combination of a wireless data communication device and an additional device according to an embodiment of the present invention.

Hereinafter, an apparatus and method for using the above-described wireless data communication apparatus as a general wireless terminal will be described with reference to FIGS. 1B and 2B.

First, a configuration for using a wireless data communication device as a general wireless terminal will be described with reference to FIG. 1B.

In addition to the configuration of FIG. 1A, the configuration of FIG. 1B further includes an additional device 20, a second connector 2 of the wireless data communication device, and an ear microphone terminal 16.

Ear microphone terminal 16 is to connect the ear microphone (EAR-MIKE; 17) to enable the user to use the call.

The second connector is connected to the third connector 3 of the additional device 20 so that the wireless data communication device can be used as a general wireless terminal.

The signal processing and control unit 100 checks the connection state between the notebook and / or the additional device 20 and the ear microphone 17 and performs a data communication mode or a general telephone mode according to the connection state. The general telephone mode refers to a function for a call, a telephone number management, a schedule management, or the like, which is normally used when using a wireless terminal.

As shown in FIG. 2B, the additional device 20 includes a battery 21, a key input unit 22, a display unit 23, a voice input / output unit 24, and a third connector 3.

The battery 21 supplies power to the wireless communication device 10, and the key input unit 22 includes a call key, a power on off key, a numeric key, and a plurality of function keys. The display unit 23 is implemented as an LCD (Liquid Crystal Display) and a TFT LCD (Thin Film Transistor Liquid Crystal Display) to output the state of the wireless data communication device 10 and a plurality of display information. The voice input / output unit 24 is composed of a microphone and a speaker. The third connector 3 is connected to the second connector 2 of the wireless data communication device 10 and connects the additional device 20 and the wireless data communication device 10 to transmit and receive data and to supply power. .

Hereinafter, the operation of the embodiment according to the present invention will be described with reference to FIGS. 1B and 2B.

In step 220 of FIG. 2B, the signal processing and control unit 100 checks whether power is supplied.

When the user inserts the wireless data communication device 10 into the slot of the computer using the first connector 1 in step 210 of FIG. 2A, power is supplied from the computer to the signal processing and control unit 100 through the interface unit 13. Supplied. In addition, when the user connects the second connector 2 of the wireless data communication device 10 and the third connector 3 of the additional device 20, the power is supplied from the battery 21 to the signal processing and control unit 100. Supplied.

When power is supplied, the signal processing and control unit 100 drives a program for operating the wireless data communication device 10. By driving the program, the signal processing and control unit 100 synchronizes based on a signal received from a wireless network, and performs user authentication and registration.

In operation 221, the signal processing and control unit 100 determines whether the power is supplied from the additional device to determine the connection state of the additional device 20. If the additional device 20 is not connected, the process proceeds to step 227.

If there is a key input for executing the phone mode in step 222, the process proceeds to step 223 to perform the phone mode. If no phone mode request is made, the flow proceeds to step 227. In performing the phone mode, the signal processing and control unit 100 determines whether the ear microphone 17 is connected through the ear microphone terminal 16. If the ear microphone 17 is connected, the input and output of the voice generated during the phone mode is performed through the ear microphone 17 (225). If the ear microphone 17 is not connected through the voice input / output unit 24 of the additional device 20 (226).

In operation 227, the signal processing and control unit 100 transmits a related message to the computer through the interface unit 13. When the response message is received from the computer by the related message, it is determined that the computer is connected to the wireless data communication device 10.

If there is a data communication request from the computer in step 228, the signal processing and control unit 100 proceeds to step 229 to perform the data communication mode.

Similar to FIG. 2A, the signal processing and control unit 100 lights up the lamp 18 according to power supply and data transmission and reception during the operation so that the user can grasp the operation of the wireless data communication device.

On the other hand, data and voice input and output according to the connection of the additional device 20 may be output by the connection state of the additional device 20, but irrespective of the connection always outputs data and the user connects the additional device 20 When the data is received, the additional device 20 may be operated to input and output data and voice.

Briefly, the present invention is as follows.

A wireless data communication device including an antenna, a wireless transmitter / receiver, a first connector, a second connector, a signal processing and control unit, and an interface unit includes a battery, a key input unit, a display unit, an audio input / output unit, and a third connector. In order to perform communication in connection with a device and / or a computer, the connection state of the wireless data communication device and the computer and / or the additional device is checked, and the wireless data communication device and the computer and / or the accessory are connected according to the connection state. Perform an initialization operation by power supply, perform data modulation / demodulation according to the wireless network in conjunction with a computer and a wireless network, or perform a wireless data communication mode, or perform a telephone mode by an additional device and the wireless network.

On the other hand, the present invention described above has been described with respect to specific embodiments, of course, various modifications are possible without departing from the scope of the present invention. That is, the present invention is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, the present invention examines the connection state between the wireless data communication device and the computer and / or the additional device, and performs an initialization operation by supplying power according to the connection state between the wireless data communication device and the computer and / or the additional device. And perform wireless data communication mode by performing data modulation / demodulation according to the wireless network by interworking with a computer and a wireless network, or by performing a telephone mode by an additional device and the wireless network to perform wireless data communication and general voice communication. can do.

Claims (4)

An apparatus for conducting a voice call via a wireless data communication device, the apparatus comprising: A wireless data communication device connected to the portable information terminal to perform data communication; And, And an additional device connected to the wireless data communication device to perform a voice call. The wireless data communication device includes a corresponding voice and / or a key input signal generated from the additional device when a voice mode is selected. And modulating a key input signal to a wireless network, demodulating a signal received from the wireless network, and outputting voice and / or data to the additional device. The method of claim 1, The additional device, A battery for supplying power to the wireless data communication device; A key input unit for key input to the wireless data communication device; A display unit for outputting data of the wireless data communication device; A voice input / output unit for voice input / output of the wireless data communication device; And a third connector connected to the second connector to connect the battery, the key input unit, the display unit, and the voice input / output unit to the wireless data communication device. The method of claim 1, The wireless data communication device, The apparatus further comprises an ear microphone terminal, and the voice data input / output unit switches the voice input / output through the ear microphone or the voice input / output unit by connection of an ear microphone inserted into the ear microphone terminal. The method of claim 1, The wireless data communication device, And a lamp for indicating whether power is supplied to the wireless data communication device and a state of transmitting / receiving data.