KR101580324B1 - Wireless controller for wireless headset and method for controlling the wireless headset using the same - Google Patents

Abstract

1. A wireless controller for a wireless headset that performs Bluetooth communication with a mobile communication terminal, the wireless controller comprising: a Bluetooth module for establishing a wireless connection with a Bluetooth module of the wireless headset to perform communication on a specific communication channel; A key input unit for inputting a key command including a call initiation and a call termination upon receiving a call from the mobile communication terminal of the wireless headset; And a controller for generating data corresponding to a command input through the key input unit and transmitting the generated data to the wireless headset through the Bluetooth module, wherein the wireless headset receives a ring signal from the mobile terminal, And a wireless controller for a wireless headset that forms a communication channel with the mobile communication terminal through Bluetooth communication when a key command for starting a call is received from the controller through Bluetooth communication.

Headset, mobile communication terminal, Bluetooth, wireless controller

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a wireless controller for a wireless headset, and a wireless headset control method using the wireless controller.

The present invention relates to a wireless headset, and more particularly, to a wireless controller for a wireless headset that controls the operation of a wireless headset communicating voice and data using a wireless controller with a mobile communication terminal and a wireless headset control using the wireless controller ≪ / RTI >

2. Description of the Related Art In general, short-range wireless communication such as Bluetooth is a type of communication method that enables a plurality of communication devices located in a short distance to be connected to a wireless network and to enable bidirectional real-time communication without complicated electric wires connecting the devices.

This refers to a communication method in which, when a signal transmission is required between communication devices in a home or an office, communication is directly performed between communication devices without going through a remote base station, thereby preventing a communication load from being imposed on the base station.

With such short-range wireless communication, it is possible to transfer high-speed data without waiting time, and many mobile terminals are employed. In particular, in recent years, a headset for connecting a mobile communication terminal using Bluetooth communication has appeared. According to the headset using the Bluetooth communication, even if the user does not carry the mobile communication terminal deliberately, A music reproduction service, and the like can be received from the headset.

The Bluetooth terminal, which is a combination of the mobile communication terminal and the headset, can play a sound source such as an MP3 player as well as a telephone conversation using only a headset while keeping the terminal in a pocket.

The present invention relates to a wireless controller for a wireless headset capable of safely operating a wireless headset during operation or in a special situation in which a protective gear is worn by controlling the operation of the wireless headset with a small wireless controller, and a wireless headset control method using the wireless controller will be.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the particular embodiments that are described. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, There will be.

According to an aspect of the present invention, there is provided a wireless controller for a wireless headset that performs Bluetooth communication with a mobile communication terminal, the wireless controller comprising: a Bluetooth module for performing wireless communication with a Bluetooth module of the wireless headset to perform communication using a specific communication channel; A key input unit for inputting a key command including a call initiation and a call termination upon receiving a call from the mobile communication terminal of the wireless headset; And a controller for generating data corresponding to a command input through the key input unit and transmitting the generated data to the wireless headset through the Bluetooth module, wherein the wireless headset receives a ring signal from the mobile terminal, And a wireless controller for a wireless headset that forms a communication channel with the mobile communication terminal through Bluetooth communication when a key command for starting a call is received from the controller through Bluetooth communication.

According to another aspect of the present invention, there is provided a method of controlling a wireless controller for a wireless headset that performs Bluetooth communication with a mobile communication terminal, the method comprising: wirelessly connecting to a Bluetooth module of the wireless headset using a Bluetooth module, step; Receiving a key command including a call initiation and a call termination upon receiving a call from the mobile communication terminal of the wireless headset through a key input unit; And generating data corresponding to a command input through the key input unit and transmitting the generated data to the wireless headset through the Bluetooth module, wherein the step of transmitting to the wireless headset comprises: Transmitting a key command to the wireless headset; And transmitting a key command for terminating a call through the Bluetooth communication to the wireless headset, wherein the wireless headset generates a ring tone when receiving a ring signal from the mobile communication terminal, and transmits the ring tone to the wireless headset When receiving a key command for starting the call from the radio controller, forms a communication channel with the mobile communication terminal through Bluetooth communication, and when a key command for terminating the call is received from the radio controller, The call termination signal can be transmitted to terminate the call.

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As described above, according to the present invention, the operation of the wireless headset is controlled by the small wireless controller, and the wireless headset can be safely operated even in a special situation where the user wears the protective gear during operation.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same components are denoted by the same reference symbols whenever possible. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

1 is a diagram illustrating a mobile communication terminal and a wireless headset according to the present invention.

When a call is received from the outside, the mobile communication terminal 10 sends a ring indicator to the wireless headset 20, and the wireless headset 20 outputs a ring signal accordingly. Accordingly, the user presses the call button 25 provided in the wireless headset 20 to make a call with the other party.

However, in the case of a user who is driving, wearing a motorcycle, a bicycle, an inline skate, or wearing protective gear such as a helmet or protective glove, a firefighter, a police officer, etc., ) Can not be pressed or difficult, and it is exposed to the risk of a safety accident in operation.

The mobile communication terminal 10 and the wireless headset 20 form a communication and a communication channel using a short-range wireless communication method such as Bluetooth. The short-range wireless communication applied to the present invention includes Bluetooth, Zigbee, , UWB (Ultra Wide Band), and WLAN, and the following description will be made by way of example of the Bluetooth for convenience of explanation, but the present invention is not limited thereto.

2 shows a wireless headset system according to the present invention, which comprises a mobile communication terminal 10, a wireless controller 100, and a wireless headset 200.

The mobile communication terminal 10 performs short-range wireless communication using the Bluetooth method with the wireless headset 200.

The wireless controller 100 performs Bluetooth communication with the wireless headset 200 using an Asynchronous Connection-Less (ACL) channel. The wireless controller 100 according to the present invention may be configured as a general small remote control type, but may be of a band type that can be installed on a car handle, a bicycle handle, or a motorcycle handle, a watch type worn on the wrist, A necklace type which can be hung, and the like.

The wireless headset 200 performs near field wireless communication with the mobile communication terminal 10 and the wireless controller 100 using the Bluetooth method respectively and the wireless headset 200 receives the control command transmitted from the wireless controller 100 .

That is, the wireless controller 100 generates a call connection signal in response to a command input when a call is received, and transmits the call connection signal to the wireless headset 200 through the Bluetooth module. The wireless headset 200 transmits a ring signal The mobile communication terminal 10 generates a ring tone when the mobile communication terminal 10 receives the call connection signal and forms a communication channel with the mobile communication terminal 10 through the Bluetooth module when the call connection signal is received from the radio controller 100. [

In this case, the wireless headset 200 and the mobile communication terminal 10 use a 2.4 GHz band Bluetooth scheme among ISM (Industrial Scientific Medicine) bands and support a data channel and a voice channel. The data channel is an asynchronous connection-less (ACL) channel and is a reliable link supported by retransmission. A voice channel is a SCO (Synchronous Connection-Oriented) channel, and data packets transmitted once are not retransmitted.

The wireless headset 200 according to the present invention can be connected to a communication channel with the mobile communication terminal 10 in accordance with a control command of the wireless controller 100. The wireless headset 200 can be connected to the mobile communication terminal 10 through an ACL SCO channel, and is connected to the radio controller 100 through an Asynchronous Connection-Less (ACL) channel, which is a data channel.

The wireless headset 200 is operated by the wireless controller 100. It is also possible to configure a key input unit (not shown) in the wireless headset 200, It is obvious that on and off control, volume adjustment and music playback related adjustments are possible.

FIG. 3 is a circuit block diagram illustrating a wireless headset system according to an embodiment of the present invention, which includes a mobile communication terminal 10, a wireless controller 100, and a wireless headset 200.

The mobile communication terminal 10 includes a mobile communication module 11, a Bluetooth module 13, and a control unit 15.

The mobile communication module 11 performs wireless communication with the base station and processes various data such as voice, text, and data. The Bluetooth module 13 performs a Bluetooth communication with the wireless headset 200 and communicates with a supported data channel (ACL channel) through a voice channel (SCO channel). When connected to the wireless headset 200, the control unit 15 notifies a call reception or the like and transmits a signal for music reproduction.

The wireless controller 100 includes a Bluetooth module 110, a key input unit 130, a display unit 150, and a control unit 170.

The Bluetooth module 110 performs wireless communication with the Bluetooth module 210 of the wireless headset 200 and performs communication on a specific communication channel.

The key input unit 130 can input various key signals according to the operation mode by using a limited key. For example, the key input unit 130 may include a power switch, start or end call, music, stop, stop, Can be adjusted.

The display unit 150 includes a light emitting diode (LED) that displays a power on / off state according to a control signal.

The control unit 170 controls the operation of the devices and generates data corresponding to a command input through the key input unit 130 and transmits the generated data to the wireless headset 200 through the Bluetooth module 110 .

Reference numeral 190 denotes a battery which supplies operating power to the various circuits.

For example, when a ringing tone occurs upon reception of a call to the wireless headset 200, the user selects a call button of the key input unit 130, and the controller 170 generates data corresponding to the call command, To be transmitted to the wireless headset 200 via the network 110. [

Of course, the wireless controller 100 can perform volume adjustment or music playback-related adjustment as well as call on / off control using the wireless headset 200.

The wireless headset 200 includes a Bluetooth module 210, a controller 230, an audio processor 250, a microphone 251, a speaker 255, and a memory 270.

The Bluetooth module 210 wirelessly connects with the Bluetooth module 13 of the mobile communication terminal 10 and the Bluetooth module 110 of the wireless controller 100 to perform communication through a specific communication channel.

The audio processor 250 converts an audio signal received from the mobile communication terminal 10 into an analog signal and outputs the analog signal to a speaker 255. The audio processor 250 converts a voice signal input to the microphone 251 into an electrical signal, And transmits the processed signal to the control unit 230.

The memory 270 may temporarily store data received from the mobile communication terminal 10 or store data necessary for the headset 200. [

The control unit 230 receives and analyzes various messages and performs corresponding function operations. In addition, the control unit 230 converts the format into a format that supports the audio signal input when the music playback mode is selected, and outputs the format to the speaker 255.

The illustrated wireless headset 200 is a mono headset, but it is of course also applicable to a stereo headset.

The wireless headset 200 also receives stereo audio signals such as MP3 and WAV transmitted from the mobile communication terminal 10 using a voice channel (ACL channel), samples the audio signals at a predetermined sampling frequency, and outputs a sampled sound source And outputs the other party's voice in mono format even during a call.

To this end, the mobile communication terminal 10 of the present invention transmits an audio signal according to reproduction of an MP3 file to the wireless headset 200 through a channel SC0, which is a voice channel, and transmits the audio signal to the Bluetooth module 210 of the wireless headset 200, Samples a portion of the audio signal on the SCO channel and listens to music.

When a call is input from outside during music reproduction, the mobile communication terminal 10 stops the music reproduction and stores the reproduction control information such as a reproduction file, a reproduction position, a play list, . The wireless headset 200 transmits a call connection command to the mobile communication terminal 10 when a call command is input from the wireless controller 100 so that the wireless headset 200 can make a call through the wireless headset 200. [ Also, after the call is terminated, the music reproduction can be performed again using the reproduction control information.

FIG. 4 is a flowchart illustrating a call connection procedure of a wireless headset system according to an embodiment of the present invention. Referring to FIG.

The mobile communication terminal 10, the wireless headset 200, the wireless headset 200 and the wireless controller 100 are communicatively connected through the Bluetooth protocol (RFCOMM) using the start command SABM (S1, S2).

The mobile communication terminal 10 transmits a ring signal to the wireless headset 200 through the ACL channel of the Bluetooth module 13 when the call reception signal is received from the outside through the mobile communication module 11 S4).

Accordingly, the wireless headset 200 outputs a preset ring tone through the speaker 255 according to the ring signal received through the Bluetooth module 210 (S5).

The radio controller 100 generates a call accept signal and transmits a call acceptance signal to the ACL channel of the Bluetooth module 110. When the call button of the key input unit 130 is selected by the user at step S6, To the wireless headset 200 (S7). When receiving the call connection signal from the radio controller 100, the wireless headset 200 transmits it to the mobile communication terminal 10 to connect the communication line with the counterpart terminal (S8, S9).

That is, when the call connection signal is received from the radio controller 100, the wireless headset 200 and the mobile communication terminal 10 establish a SCO link and interconnect with each other over the SCO communication channel. A terminal is connected to a call channel through a mobile communication network. Accordingly, the user proceeds voice communication with the counterpart terminal using the wireless headset 200. Here, the wireless headset 200 outputs the voice signal transmitted from the mobile communication terminal 10 through the speaker 255, and when the user's voice message is inputted through the microphone 251, the controller 230 controls the Bluetooth Module 210 to the mobile communication terminal 10 through the set SCO channel. In addition, in a call state, the user can adjust the call volume and the like of the wireless headset 200 using the wireless controller 100. [

Thereafter, when the call termination button of the key input unit 130 is selected (S10), the wireless controller 100 generates a call termination signal and transmits the call termination signal to the wireless headset 200 through the Bluetooth module 110 (S10, S11) . When the call termination signal is received from the radio controller 100, the wireless headset 200 transmits the call termination signal to the mobile communication terminal 10 to disconnect the communication line with the counterpart terminal. When the communication ends, Is closed by the SCO channel with the wireless headset 200 (S12).

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined by the appended claims. It will be possible. The scope of the present invention is defined by the appended claims, and all differences within the scope of the claims are to be construed as being included in the present invention.

1 is a diagram illustrating a mobile communication terminal and a wireless headset according to the present invention.

2 is a diagram illustrating a mobile communication terminal and a wireless headset system according to the present invention.

3 is a circuit block diagram illustrating a wireless headset system in accordance with an embodiment of the present invention.

4 is a flowchart illustrating a call connection procedure of a wireless headset system according to an embodiment of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

10: mobile communication terminal 100: wireless controller

110: Bluetooth module 130: key input unit

170: control unit 200: wireless headset

210: Bluetooth module 230:

250: audio processor 251: microphone

255: Speaker

Claims (8)

1. A wireless controller for a wireless headset that performs Bluetooth communication with a mobile communication terminal, A Bluetooth module for establishing a wireless connection with the Bluetooth module of the wireless headset to perform communication through a specific communication channel; A key input unit for inputting a key command including a call initiation and a call termination upon receiving a call from the mobile communication terminal of the wireless headset; And And a control unit for generating data corresponding to a command input through the key input unit and controlling the data to be transmitted to the wireless headset through the Bluetooth module, The wireless headset generates a ringing tone when a ring signal is received from the mobile communication terminal and receives a key command for starting a call through the Bluetooth communication from the controller, Wireless controller for headset. The method according to claim 1, Wherein the wireless controller and the wireless headset communicate via an Asynchronous Connection-Less (ACL) channel. The method according to claim 1, Wherein the key input unit is configured to input a key command for playing, stopping, stopping, playing a next song, and adjusting a volume of music, Wherein the controller transmits a key command input by the key input unit to the wireless headset via the Bluetooth communication so that playback, stop, stop, next song playback, and volume adjustment of music are performed in the wireless headset Wireless controller. The method according to claim 1, And a display unit for displaying a power on / off state according to a control signal of the control unit. The method according to claim 1, Wherein the wireless controller is one of a band type, a clock type, and a necklace type. A control method of a wireless controller for a wireless headset that performs Bluetooth communication with a mobile communication terminal, Performing wireless connection with a Bluetooth module of the wireless headset by a Bluetooth module to perform communication on a specific communication channel; Receiving a key command including a call initiation and a call termination upon receiving a call from the mobile communication terminal of the wireless headset through a key input unit; And Generating data corresponding to a command input through the key input unit and transmitting the generated data to the wireless headset through the Bluetooth module, Wherein transmitting to the wireless headset comprises: Transmitting a key command for starting a call through the Bluetooth communication to the wireless headset; And Transmitting a key command for terminating a call through the Bluetooth communication to the wireless headset, Wherein the wireless headset generates a ring tone when a ring signal is received from the mobile communication terminal and transmits a ring tone to the mobile communication terminal through the Bluetooth communication when the key command for starting the call is received from the radio controller by transmitting to the wireless headset, And terminating the call by transmitting a call termination signal to the mobile terminal when a key command for terminating the call is received from the radio controller. The method according to claim 6, Wherein the step of receiving the key command through the key input unit comprises: And inputting a key command for playing, stopping, stopping, playing back the next song and adjusting the volume of the music, Wherein the step of transmitting to the wireless headset includes transmitting the input key command to the wireless headset via the Bluetooth communication so that playback, pause, stop, next song playback, and volume adjustment of music are performed in the wireless headset Wherein the wireless headset is a wireless headset. The method according to claim 6, The wireless headset communicates with the mobile communication terminal through an Asynchronous Connection-Less (ACL) channel or a Synchronous Connection-Oriented (SCO) channel and uses a wireless controller communicating with the wireless controller through an Asynchronous Connection- A method for controlling a wireless headset.

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