KR20040110717A - Wireless receive-send system using bluetooth and mehod thereof - Google Patents

Abstract

PURPOSE: A wireless transceiving system using Bluetooth is provided to enable a user to use a wireless transceiving system from a remote plate by using a Bluetooth and a neck microphone. CONSTITUTION: A plurality of neck microphones transmit signals of a user to a wireless connecting part through master-slave type Bluetooth communication in one transceiving system, or receive signals transmitted from the wireless connecting part. A transceiver includes the wireless connecting part receiving the signals from the plurality of neck microphones or transmitting the inputted signals to the neck microphones, and a transceiving part(42) wirelessly transmitting the signals to the other transceiving system or transmitting wireless signals received from the other transceiving system to the wireless connecting part, and a registration mode part. The registration mode part includes a mode switch for selectively using a registration mode, a general mode, and a test mode, and a display unit transmitting the registration mode state to the user.

Description

Wireless transmission / reception system using Bluetooth and its method {WIRELESS RECEIVE-SEND SYSTEM USING BLUETOOTH AND MEHOD THEREOF}

The present invention relates to a wireless transmission and reception system, and more particularly, to configure a communication network using Bluetooth and a neck microphone, thereby eliminating inconvenience of a wired handset, and using wireless to enable short-range wireless communication. It relates to a transmission and reception system and a method thereof.

1 is a view showing the configuration of a conventional military 1: N communication network system.

As shown in FIG. 1, in a conventional 1: N network, transceivers typically use the same frequency (or code), and each of these transceivers forms a vertical and horizontal network according to the network concept and calls the other party. Communicate

Users press and hold the call switch (PTT) to make a call, and when receiving, the call is set by pressing the call switch (PTT).

In the same network, 1 (send): N (receive) communication is performed between users, and the called party answers during a voice call.

As described above, since the conventional transceivers make a voice call using a wired handset, the user uses the same frequency (or code) as the receiver, and transmits the call while pressing the push call switch (ptt) of the wired handset. It uses a half duplex method of hydrating the switch.

However, since existing transceivers make a voice call using a wired handset, the user has to use a neighbor adjacent to the transceiver. That is, because it can be used only within the distance connected to a wired cable, there is a space limitation, and since it is a wired line, it is inconvenient in use in case of a combat situation or fire suppression.

The present invention has been proposed in order to solve the above-mentioned problems, by configuring a communication network using Bluetooth and a microphone, a wireless transmission and reception system using a Bluetooth to eliminate the inconvenience of the wired handset and enable short-range wireless communication and its method The purpose is to provide.

1 is a view showing the configuration of a conventional military 1: N communication network system.

2 is a diagram illustrating a configuration of a 1: N communication network system according to an embodiment of the present invention.

3 is a block diagram showing the configuration of a wireless transmission and reception system according to an embodiment of the present invention.

4 is a block diagram of a transceiver in a wireless transmission / reception system according to an embodiment of the present invention.

5 is a block diagram of a neck microphone in a wireless transmission and reception system according to an embodiment of the present invention.

<Description of Major Symbols in Drawing>

41: EEPROM 42: transmitter and receiver

43: master Bluetooth 44: control unit

45: mode switch 46: LED

In order to achieve the above object, according to an aspect of the present invention,

In the transmission and reception system comprising a transmission and reception system of one side for transmitting a signal, and a plurality of other transmission and reception systems for receiving a signal transmitted from the transmission and reception system of one side, the remote wireless communication,

A plurality of neck microphones for transmitting a user's signal from a microphone to a wireless connection unit or receiving a signal transmitted from the wireless connection unit in a master slave type Bluetooth communication in the transmission / reception system of one side;

A wireless connection unit for receiving a signal from the plurality of neck microphones or transmitting an input signal to the plurality of neck microphones through a master slave method of Bluetooth communication, and transmitting the signal received to the other transmission / reception system as a wireless signal to the other transceiver system. Or a transmission / reception unit for transmitting a wireless signal received from the other transmission / reception system to the wireless connection unit, a mode switch for selectively using a registration mode, a normal mode, and a test mode, and a display unit for transmitting the registration mode state to a user. A transceiver comprising a registration mode unit including;

Provided is a wireless transmission / reception system using Bluetooth.

According to another aspect of the invention,

In a wireless transmission / reception method of a transmission / reception system comprising a transmission / reception system of one side transmitting a signal and a plurality of transmission / reception systems of another side receiving a signal transmitted from the transmission / reception system of one side,

How to set the registration mode,

(a) entering the registration mode by turning on the power while pressing the mode switch of the transceiver;

(b) informing a registration mode entry state through on / off of the display unit when the mode switch is pressed to enter the registration mode;

(c) the master Bluetooth of the transceiver surveys surrounding slave Bluetooths for communication and registers the examined slave Bluetooths.

Here, in the step (c), the storage of the address of the slave Bluetooth may be stored in the EEPROM in the FIFO order in the queue manner.

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

2 is a diagram illustrating a configuration of a 1: N communication network system according to an embodiment of the present invention.

As shown in FIG. 2, a wireless transmission / reception system using Bluetooth according to an embodiment of the present invention includes a transmitting / receiving system for transmitting a voice signal and a plurality of receiving / receiving voice signals transmitted from the transmitting / receiving system. It is composed of the receiving side transmitting and receiving system to perform remote wireless communication.

In the present embodiment, the description is based on a voice signal, but a data signal may also be included.

Each of the wireless transmission / reception systems using Bluetooth includes a plurality of neck microphones that transmit and receive a user's voice signal and a transceiver that enables remote radio (RF) communication for voice signals transmitted and received from the plurality of neck microphones. Include.

In this case, communication between the transceiver and the microphone is performed in full duplex, and communication between the transmitter and the receiver, that is, the transceiver, is performed in a half duplex.

Referring to FIG. 2, a transmission / reception system for configuring a vertical and horizontal network according to a network concept and calling a counterpart to view a communication is shown as an example. FIG. 1 illustrates one transmission system and three reception systems. .

Here, transmission and reception are also possible between three systems on the receiving side.

In addition, in one wireless transmission and reception system, one transceiver may include several wireless neck microphones (only three of them may be illustrated in FIG. 2, but more than two may be possible).

In addition, each neck microphone is registered in the transceiver according to a predetermined registration procedure (method).

The transmission and reception of voice signals in the wireless transmission / reception system using Bluetooth according to the present invention will be described with reference to FIG. 2.

First, when a voice signal is transmitted, any one of a plurality of neck microphone users makes a call through the neck microphone in a transmitting wireless transmission / reception system of one side (step 11), and the voice signal transmitted from the neck microphone is wirelessly communicated. Is transmitted to transceiver 1 via (step 12).

Thereafter, the signal transmitted to the transceiver 1 is modulated into a frequency modulation (FM) signal for remote wireless communication in the transceiver 1, and the modulated FM signal is transmitted and received through the antenna of the transmitting and receiving system. Is transmitted to transceiver 3 or transceiver 4 (step 13).

Looking at the receiving process of the transmission signal at the receiving side, receiving the modulated FM signal through each antenna of the receiving side transmitting and receiving system and demodulating the modulated FM signal in the transceiver 2, transceiver 3, transceiver 4 of the receiving side transmitting and receiving system (Step 14).

The demodulated signal is then wirelessly transmitted to each neck microphone (step 15).

The signal transmitted to the neck microphone can be heard by the user through the speaker in the neck microphone (step 16).

The voice signal transmission / reception process in the wireless transmission / reception system using Bluetooth according to the present invention in this manner is divided into a transmission side and a reception system for convenience of technology, and the reception side transmission / reception of the other side in the transmission side transmission / reception system of one side is performed. Although the transmission process to the system is sequentially described, the signal transmission and reception of the transmission / reception system of one side in the transmission / reception system of the other side may be performed in the same process.

Therefore, as shown in FIG. 2, both the transmitting and receiving sides are possible as needed between one transmitting and receiving system and the other transmitting and receiving system, and a plurality of receiving systems can transmit and receive voice signals to and from each other.

In addition, since the neck microphone can be configured in plural, the voice signal transmission through the neck microphone can be made by any one of the users of the neck microphone using a push call switch (PTT), the remaining neck microphone users other than the sender Anyone can hear the transmitted voice signal.

3 is a block diagram schematically illustrating a configuration of a wireless transmission / reception system using Bluetooth according to an embodiment of the present invention.

Referring to FIG. 3, the wireless transmission / reception system using Bluetooth according to an embodiment of the present invention shows that short-range wireless communication between users of three neck microphones # 1 to # 3 is possible in one transceiver.

That is, the three neck microphones transmit a user's voice signal from the microphones 36a, 36b, and 36c to the wireless connector 32 or transmit the signal transmitted from the wireless connector 32 to the speaker 37a, 37b, or the like through Bluetooth communication. Neck microphone section 33, 34, 35 for listening to the voice signal at 37c).

In addition, the neck microphone, a push call switch (PTT switches: 38a, 38b, 38c) to switch to the user's call mode by pressing when the call is made, and when the receiver is released, and the wireless connection unit 32 It is configured to include a slave Bluetooth antenna 33a, 33b, 33c for Bluetooth communication with).

In addition, the transceiver includes a wireless connection unit 32 for receiving a voice signal from the neck microphone or transmitting an input signal to the neck microphone through Bluetooth communication, and a signal received at the wireless connection unit 32 to the other transceiver system. It is configured to include a transceiver 31 for transmitting a radio signal or the radio signal transmitted from the other transmission and reception system to the wireless connection unit 32.

In addition, the transceiver includes a master Bluetooth antenna 32a for Bluetooth communication with the neck microphone units 33, 34, and 35, and a transceiver antenna 31a for wireless communication between the transceivers.

Here, short-range wireless communication of a plurality of neck microphones in one transceiver is full duplex, whereas remote wireless communication of a plurality of transmission / reception periods in one transceiver is half-duplex.

In this case, when one of the plurality of neck microphone users presses the PTT switch to make a call, the remaining neck microphone users cannot make a call, but in a normal reception mode, any number of neck microphone users can listen.

In addition, in a short-range wireless communication using Bluetooth, one user (microphone # 1) from among a plurality of neck microphones on one side of the talker, other neck microphone users other than the talker (microphone # 2, neck microphone # 3) are the callers. In the present invention, the transceiver 31 not only transmits a voice signal through the neck microphone to the other transceiver, but also feeds back to the wireless connection unit 32 so that the remaining neck microphone users other than the talker (neck microphone). Voice signal is also transmitted to # 2 and neck microphone # 3 so that reception is possible.

In addition, since the present invention is a short-range wireless communication using Bluetooth, unlike the conventional transceiver using a wired handset, it can be freely used within a range of up to 100M can be used for convenience.

In addition, the present invention is the wireless connection portion 32 of the transceiver and the neck microphone portion 33, 34, 35 of the neck microphone slave Bluetooth is connected in a master slave manner is possible short-range wireless communication.

In addition, the present invention can convert a device for full duplex communication into a device capable of half duplex communication due to a push call switch (PTT) installed in a neck microphone.

The transmission and reception of voice signals in the wireless transmission / reception system using Bluetooth according to the present invention will be described with reference to FIG. 3.

First, the transmission process of the voice signal, when any one of the microphone # 1, # 2, or # 3 users, for example, the call through the microphone 36a of the microphone # 1 (step 21), the transmission from the microphone The voice signal is transmitted from the first microphone unit 33 to the wireless connection unit 32 through short-range wireless communication between the slave Bluetooth antenna 33a and the master Bluetooth antenna 32a (step 22).

Thereafter, the signal transmitted to the wireless connector 32 is transmitted to the transceiver 31 and transmitted to the other transceiver through the transceiver antenna 31a (step 23).

Looking at the receiving process of the transmission signal at the receiving side, the signal received through the antenna 31a of the transceiver is transmitted to the transceiver 31 and the wireless connection unit 32 connected to the transceiver (step 24).

The signal transmitted to the wireless connection unit 32 is received through the master Bluetooth antenna 32a to the first microphone unit 33, the second microphone unit 34, and the third microphone unit 35 (step) 25).

The signal received at each of the neck microphone units is made available to the user through the speakers 37a, 37b, and 37c in the neck microphone (step 26), thereby terminating the voice signal reception process at the receiver side.

4 is a schematic block diagram of a transceiver in a wireless transmit / receive system according to an embodiment of the present invention.

As shown in Figure 4, the transceiver of the wireless transmission and reception system according to an embodiment of the present invention includes a wireless connector 32 and the transceiver 42, the wireless connector 32 is the transceiver 42 It may be configured integrally with or detachably.

Here, the wireless connection unit 32, the master Bluetooth 43 to enable the Bluetooth communication of the slave Bluetooth and the master slave scheme in the neck microphone with respect to the transmission and reception voice signal of the neck microphone; EEPROM 41 that can register at least three slave Bluetooth addresses of the neck microphone at a specific address is included.

In addition, the wireless connection unit 32, the control unit 44 for controlling the master Bluetooth (43) and the EEPROM (41); A master Bluetooth antenna 43a for master communication of the slave Bluetooth with the slave Bluetooth is included.

Here, the transmitter includes a transceiver 42 which transmits a signal transmitted to the master Bluetooth 43 as a radio signal to the other transceiver system or receives a radio signal transmitted from the other transceiver system.

A mode switch 45 for selectively using a registration mode, a normal mode, and a test mode; The registration mode unit further includes a LED 46 for transmitting the registration mode status to the user.

5 is a block diagram of a neck microphone in a wireless transmission and reception system according to an embodiment of the present invention.

As shown in Figure 5, the neck microphone according to an embodiment of the present invention includes a microphone 52 for amplifying a user's voice signal during transmission; A speaker 53 is included to enable the reception of the transmitted signal as a voice signal upon reception.

In addition, the neck microphone may include a slave Bluetooth that enables a Bluetooth communication of a master Bluetooth and a master slave method of a transceiver with respect to a voice signal transmitted through the microphone 52 or a voice signal received through the speaker 53. 51) is further included.

In addition, the neck microphone includes a codec for transmitting a signal transmitted through the microphone 52 to the slave Bluetooth 51 or a signal received by the slave Bluetooth 51 to the speaker 53. )and; The control unit 56 is further connected to the slave Bluetooth 51 to control the entire neck microphone.

In addition, the neck microphone includes a battery 55 for supplying power to the slave Bluetooth and the control unit 56; A slave Bluetooth antenna 51a is further included for the master slave Bluetooth communication with the master Bluetooth of the transceiver.

In addition, the neck microphone further includes a push call switch (PTT switch) 54 for switching to a user's call mode through pressing when the call is made and when the call is received.

Hereinafter, a registration mode process according to a registration mode unit of the transceiver will be described with reference to FIGS. 4 and 5.

The wireless transmission / reception system using Bluetooth according to the present invention may use only registered neck microphones, and other unregistered Bluetooth is not connected.

Thus, the master Bluetooth 43 of the transceiver enters the registration mode by the mode switch 45 of the transceiver to register the slave Bluetooth 51 of the neck microphone.

In order to enter the registration mode, the power must be turned on while the mode switch 45 is pressed (step 31).

If power on without pressing here, it is used as normal mode.

When the mode switch 45 is pressed to enter the registration mode, the registration mode entry status is notified through the LED on / off (step 32).

Here, in general, when there is an LCD display window, the LCD display window may inform the registration mode entry state, but in a system without a display window such as an LCD, an LED may be usefully used.

In addition, the normal mode refers to a mode state in which a connection with a slave already registered in the registration mode is performed without registering the slave Bluetooth.

In addition, the registration mode is a mode that performs only the first time to use the wireless transmission and reception system using Bluetooth according to the present invention, the mode that must be registered first time in the registration mode when the transceiver or the microphone (slave Bluetooth) is changed. Say.

Subsequently, looking at the entry process of the registration mode, the master Bluetooth 43 of the transceiver examines the surrounding slave Bluetooths to communicate with (Inquiry) and registers the slave Bluetooth of the irradiated neck microphone (step 33).

Here, since the EEPROM 41 can store at least three slave Bluetooth addresses of the neck microphone, up to three slave Bluetooth can be registered.

Then, when the slave Bluetooth address is stored in the EEPROM 41, the LED 46 informs the user of the mode status.

Here, the storage is stored in the EEPROM 41 outside the Bluetooth in the order of FIFO (First In First Out) in a queue manner.

That is, the master Bluetooth recognizes the last stored address of the slave Bluetooth as the most recent address, and in normal mode, attempts to connect to the last registered slave Bluetooth first.

If more than two slave addresses are recognized, the first entered Bluetooth is discarded.

In this manner, after the slave Bluetooth of the microphone is registered in the registration mode, data communication and voice communication are performed in the normal mode.

As described above, the wireless transmission / reception system and method using Bluetooth according to the present invention uses a wireless neck microphone, so that the user can be used apart from the transceiver at a distance within a range of up to 100M and can also facilitate the user's convenience. have.

In addition, it enables not only voice communication but also data communication using Bluetooth.

Claims (3)

In the transmission and reception system comprising a transmission and reception system of one side for transmitting a signal, and a plurality of other transmission and reception systems for receiving a signal transmitted from the transmission and reception system of one side, the remote wireless communication, A plurality of neck microphones for transmitting a user's signal from a microphone to a wireless connection unit or receiving a signal transmitted from the wireless connection unit in a master slave type Bluetooth communication in the transmission / reception system of one side; A wireless connection unit for receiving a signal from the plurality of neck microphones or transmitting an input signal to the plurality of neck microphones through a master slave method of Bluetooth communication, and transmitting the signal received to the other transmission / reception system as a wireless signal to the other transceiver system. Or a transmission / reception unit for transmitting a wireless signal received from the other transmission / reception system to the wireless connection unit, a mode switch for selectively using a registration mode, a normal mode, and a test mode, and a display unit for transmitting the registration mode state to a user. A transceiver comprising a registration mode unit including; Wireless transmission and reception system using a Bluetooth comprising a. In a wireless transmission / reception method of a transmission / reception system comprising a transmission / reception system of one side transmitting a signal and a plurality of transmission / reception systems of another side receiving a signal transmitted from the transmission / reception system of one side, How to set the registration mode, (a) entering the registration mode by turning on the power while pressing the mode switch of the transceiver; (b) informing a registration mode entry state through on / off of the display unit when the mode switch is pressed to enter the registration mode; (c) the master Bluetooth of the transceiver for irradiating the surrounding slave Bluetooth for communication and registering the irradiated slave Bluetooth. The method of claim 2, In step (c), the slave Bluetooth address is stored in the EEPROM in the FIFO order in the queue manner.