KR101562618B1 - system for clear voice in classroom - Google Patents

Abstract

The present invention relates to an audio system for a classroom. The audio system includes: a lecturer desk and a plurality of desks which are installed to be capable of being charged by a wireless charging means on remote locations; and a transmission module which is arranged on a ceiling to correspond to the lecturer desk and the desks and is connected to a first control unit of the lectern. The lecturer desk includes a wireless signal output unit, which is connected to various source devices wirelessly or by wires, receives input of voice signals of the source devices, and transmits wireless signals. The desk includes: a reception unit which receives the wireless signals; and an output unit which converts the wireless signals into voice signals and outputs the voice signals through speaker or headset.

Description

{System for clear voice in classroom}

The present invention relates to a wireless communication device and a wireless communication device, which are provided with a desk and a plurality of desks installed separately so as to be able to be charged at a position separated by a wireless charging means and connected to a first controller of a desk, The desk includes a wireless signal output unit connected to various source devices by wire or wireless while receiving a signal of a source device and transmitting a wireless signal. The desk includes a receiver for receiving a wireless signal, And an output unit composed of a speaker or a headphone for outputting a voice signal.

Generally, a classroom system for audiovisual education is implemented by installing a microcomputer in the control device itself, such as "a language practice device using a microcomputer and a digital switching control method" of Korean Utility Model Publication No. 1998-065460 , Enabling the selection of various multimedia education resources such as VTR, audio cassette, etc., and it is possible to raise learning effect and to provide interactive learning function by connecting teacher's computer and student's computer to communicate. .

In addition, a technology for receiving an audio signal and a digital signal such as a " mobile phone language broadcast receiver "in Registration Practical Utility Model No. 187837 and receiving English text on an LCD monitor There is.

However, such a device has a disadvantage that the effect of the lab can not be easily obtained even in a general classroom.

In order to solve such a problem, Korean Patent Laid-Open Publication No. 2001-25224 discloses a technology of a wireless lap system for language education. As shown in Fig. 1,

A bidirectional wireless communication system for establishing a multi-party wireless link and performing wireless communication, the system comprising a teacher wireless lab device (100) for performing wireless communication and a student wireless lab device (200) A wireless communication system is constituted by including a head set which is capable of performing a voice communication function with a main body while performing a wireless communication function and capable of being connected to and disconnected from the main body as an auxiliary portable device.

The teacher's wireless lab device 100 includes a microcontroller having an operating program built therein to control the entire device, a power source for supplying operating power to the device as a battery, an RF transmitting and receiving module for transmitting and receiving wireless data of audio and video signals, A compander circuit for compressing and expanding the wireless voice data to remove ambient noise to maintain good communication quality, a dip switch for receiving a channel selection for each group to be used, A dip switch, a preamplifier for amplifying the RF signal, an output amplifier, a microphone input terminal, an earphone input terminal, an external input terminal, an external output terminal, and a mixer.

In addition, the student wireless lab device 200 includes a microcontroller having an operating program built therein to control the entire device, a power source for supplying operating power to the device as a battery, an RF transmitting and receiving module for transmitting and receiving wireless data of audio and video signals A compander circuit for compressing and expanding the wireless voice data to remove ambient noise to maintain good communication quality, a dip switch for receiving a channel selection for each group to be used, A dip switch, a preamplifier that amplifies the RF signal, an output amplifier, a microphone input terminal, and an earphone output terminal.

However, the wireless lap system for language education as described above has a disadvantage that it can not be applied to general classrooms because power supply is not free.

In addition, although it is possible to transmit sound wirelessly, it is impossible to transmit and receive texts, so that it is difficult to implement three-dimensional education.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide an apparatus and a method for transmitting a teacher's lecture accurately, The present invention also provides a classroom listening system in which a supplementary function is provided for each classroom so that selective education can be performed.

In order to achieve the above-mentioned object, the present invention provides a desk and a plurality of desks each of which is installed so as to be able to be charged at a position separated by a wireless charging means, and is provided on the ceiling to correspond to the desk and the desk, The desk includes a wireless signal output unit for receiving a voice signal of a source device while transmitting various source devices connected by wire or wirelessly, and for transmitting a wireless signal. The desk receives a wireless signal And an output unit including a speaker or a headphone is provided so as to output a radio signal by changing a radio signal into a voice signal.

The charging antenna of the present invention is provided with an infrared sensor on one side thereof, and the wireless charging means is provided with a classroom listening system configured as one selected from a magnetic resonance type, an electromagnetic wave type, and a magnetic induction type.

In addition, a desk according to the present invention includes a first control unit and a first signal conversion unit for converting a voice signal into a radio signal, and is connected to a timer and connected to a sensor for sensing a human body, It provides a classroom listening system that is programmed to be supplied.

In addition, the source device connected to the lecture board of the present invention is at least one selected from a camera, a computer, a television, an audio, and an electronic blackboard. The lecture board includes a terminal for connecting a source device or the like, a terminal for connecting a microphone, A Bluetooth module, and the desk provides a terminal for connecting an output device, an earphone terminal, and a classroom listening system in which a Bluetooth module is installed.

The desk of the present invention is provided with a second control unit while a display is installed, and the second control unit includes a second signal conversion unit for converting a radio signal into a voice signal.

In addition, the second control unit of the present invention provides a classroom listening system connected to a touch pad type electronic whiteboard to periodically scan and output written contents.

In addition, the first control unit of the present invention provides a classroom listening system in which an image is captured by a camera, stored and received, and an id is assigned to each classroom.

As described above, according to the present invention, it is possible to accurately transmit the content of a lecture of a teacher even if it is not visible or audible, and it is easy to transmit power and information even when a desk or the like is freely moved. It is possible to live in the school, and it is possible to selectively distribute information by giving complementary function to each classroom.

1 is a schematic diagram showing a conventional wireless lab system.
2 is a schematic diagram showing a classroom listening system according to the present invention
3 and 4 are perspective views showing a desk and a desk for a sound system according to the present invention, respectively.
5 and 6 are block diagrams respectively showing the first and second control units of the desk and desk for the listening system according to the present invention.

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

FIG. 2 is a schematic view showing a classroom listening system according to the present invention, FIG. 3 and FIG. 4 are perspective views showing a desk and desk for a listening system according to the present invention, FIG. 2 is a block diagram showing a desk for a listening system according to an embodiment of the present invention and first and second control units of a desk.

In the present invention, a lectern 400 and a plurality of desks 500 are installed so as to be able to be charged at a spaced apart position through the wireless charging means 310.

At this time, the desk 400 and the desk 500 may be supplied with power through a built-in battery.

The transmission of the wireless charging means 310, which is provided on the ceiling C or the floor B so as to correspond to the desk 400 and the desk 500 and is connected to the first controller 450 of the desk, A module 316 is provided on the ceiling C or the floor B.

In addition, the lecture room 400 receives a signal from a source device while various source devices are connected by wire or wirelessly, converts the signal into a wireless signal by the first signal converter 410, and transmits the wireless signal to a wireless signal output unit 430 are provided.

In addition, the desk 400 further includes a signal receiving unit 460 for receiving a silent signal transmitted from the desk 400.

The signal receiver 460, the wireless signal output unit 430 and the transmitter module 316 are connected to the first controller 450. The first controller 450 controls the infrared Is installed so that automatic power supply to the sending module (316) is possible during operation of the sensor (700) or in a configuration interlocked with the timer (480).

That is, the calling module 316 is installed so that the relay 316a can be brought into contact with the signal of the control unit 450 only when the passive operation, after-school or in the classroom is not available, and the power can be automatically supplied.

In addition, the source device 420 connected to the teaching apparatus 400 may include at least one selected from a camera 421, a computer 423, a television 425, a copyboard 427, and a microphone 429, The desk 400 is provided with a terminal 401 for wired connection of a source device or the like or a first Bluetooth module 440 to the desk and source device so that the desk 400 and the source device are connected to each other in a short distance wireless communication.

At this time, the teaching room 400 or the infrared sensor 700 is further provided at a predetermined position in the classroom.

The wireless charging means 310 may be one of a magnetic resonance type, an electromagnetic wave type and a magnetic induction type and may be a transmission module 316 installed on the ceiling C or the floor B, And a reception module 313 provided on a desk or desk installed apart from the reception module 316.

In addition, the desk 500 is provided with a touch pad type display 510 capable of inputting and outputting, and the display is provided in a second control unit 530 installed on a desk.

The second control unit 530 includes an output unit 533 for outputting a voice signal while a second signal conversion unit 531 for converting a radio signal transmitted from the desk 400 into a voice signal is provided And the output unit 533 is further provided with a plurality of terminals 535 or a radio module 537 to output a voice signal by wire or wireless.

That is, a student or the like receives voice through a wireless headphone or the like through the wireless module 537.

The second control unit 530 provided on the desk 500 further includes a signal input unit 540 that processes characters and the like inputted through the display 510 and wirelessly transmits the processed characters to the desk.

That is, the signal input unit 540 of the desk 500 is received by the signal receiving unit 460 installed in the desk 400, and then processed by the first control unit 410 to be displayed in real time on the electronic whiteboard.

A student located in the vicinity of the desk 500 is installed to listen to a voice through a wired or wireless headphone or the like.

In addition, the second control unit 530 outputs the contents of the writing board of the copyboard 427 to the display 510, and the input data through the display is output to the copy board and the display in real time, Is installed to scan and store the output through periodically.

In addition, the first and second control units are installed such that transmission and reception can be performed upon confirmation of id assigned to each classroom.

The operation of the present invention constructed as described above will be described.

2 to 6, the present invention is characterized in that a plurality of desks 500 and a lecture table 400, which are individually installed so as to be able to be filled at a spaced distance through the wireless charging means 310, And the desk 500 can be charged by radio, so that power can be supplied without a separate cable.

At this time, the power supplied to the desk 400 and the desk 500 is determined as the presence of a person in the room during the operation of the infrared sensor 470, the power is turned off to the wireless charging means 310, 470) is not operated, the power source is supplied to remove harmful factors caused by electromagnetic waves.

The power supplied to the desk 400 and the desk 500 is interlocked with the timer 480 so that power is supplied to the wireless charging means 310 only after the game to remove harmful factors such as electromagnetic waves, After the after-school wireless charging means 310 is powered on, when the infrared sensor detects the human body, the power supply is shut off to remove harmful factors such as electromagnetic waves.

At this time, a periodically exchangeable battery may be applied to the power supplied to the desk 400 and the desk 500.

The reception module 313 of the wireless charging means provided on the desk 400 and the desk 500 and the transmission module 316 of the wireless charging means provided on the ceiling C or the floor B correspondingly thereto The first module 410 is connected to the first controller 410 while the power is constantly supplied to the first module 410. The first module 410 is connected to the first module 410 through the first module 410, And the power supply is controlled by the relay 316a.

That is, the relay 316a interlocks with the infrared sensor and the timer connected to the first control unit 410 so as to enable wireless charging only when there is no person, thereby removing harmful elements of the human body.

In addition, the lecture room 400 receives a signal from a source device while various source devices are connected by wire or wirelessly, converts the signal into a wireless signal by the first signal converter 410, and transmits the wireless signal to a wireless signal output unit 430 to transmit the sounds of the various source devices to the respective desks 500 spaced apart by the radio signals.

The desk 400 includes a signal receiving unit 460 for receiving a radio signal transmitted from the desk 500 and processes signals transmitted from the desk 500 to the desk 400, In real time.

In other words, when a problem is solved through the display 510 provided on the desk 500, it is displayed as it is on the electronic board 427 connected to the desk 400. As a result, And students and teachers can simultaneously express the doctor through electronic board or display.

In addition, when the infrared ray sensor 470 is integrally connected to the first control unit 450, the transmission module 316 is installed so as to be able to automatically supply power to the infrared ray sensor 470 or to be interlocked with the timer 480, The relay 316a is operated to shut off the power supply.

In addition, the source device 420 connected to the teaching pendant 400 may include at least one selected from a camera 421, a computer 423, a television 425, a copyboard 427, and a microphone 429, Is connected to the wired terminal through the terminal 401 or is connected to the woofer 400 in the short-range wireless communication.

The display 500 is connected to the second control unit 530 while a display 510 of a touch pad type capable of inputting and outputting is installed. And the output unit.

The second control unit 530 includes an output unit 533 for outputting a voice signal while a second signal conversion unit 531 for converting a radio signal into a voice signal is provided. A plurality of terminals 535 are provided so as to output a voice signal so that the students can listen to the teacher's voice clearly from a distance with earphones or the like through the operation of the desk and the first and second control units provided on the desk .

In addition, the second controller 530 allows the contents of the copyboard to be output in real time while periodically scanning the contents of the copyboard, You will be able to store information without a form.

At this time, the first and second control units provided in the desk and desk are installed to enable transmission and reception of a wireless signal upon confirmation of id assigned to each classroom, and can be used only by the selected user.

310 ... wireless charging means 313 ... receiving module
316 ... outgoing module 400 ... lecture
470 ... infrared sensor 480 ... timer
500 ... desk 510 ... display
535 ... output terminal

Claims (6)

A desk and a plurality of desks installed to be able to be charged through a wireless charging means including a sending module and a receiving module at positions corresponding to each other,
The lecture desk and the desk are provided with a calling module on the ceiling or the floor of the classroom,
The desk includes a wireless signal output unit for receiving a signal of a source device while wirelessly connecting various source devices or wirelessly transmitting to a plurality of desks,
The desk is provided with an output unit for outputting a radio signal of a radio signal output unit after changing it to a voice signal,
Wherein the wireless charging means is installed in such a manner that power is supplied to the calling module only when there is no person in the room or only after the room is filled with the power through the reception module of the desk and the desk,
A first signal converter for converting a signal of an input source device into a radio signal and a radio signal output unit for transmitting a radio signal are connected to the first controller,
The first control unit may further include a timer for confirming after-school hours, an infrared sensor for confirming presence of a person, and a relay for supplying and blocking power to the calling module,
Wherein the first control unit is further provided with a signal receiving unit for receiving a radio signal from a desk. The classroom listening system according to claim 1, wherein the wireless charging means is one selected from a magnetic resonance system, an electromagnetic wave system, and a magnetic induction system. delete The in-class listening system of claim 1, wherein the lecture is connected to at least one source device selected from a camera, a computer, a television, an audio, an electronic board, and a microphone. [2] The apparatus of claim 1, wherein the desk is provided with a second control unit,
Wherein the second control unit includes a second signal conversion unit for receiving the radio signal transmitted from the first control unit and converting the received radio signal into a voice signal and an output unit for outputting the voice signal,
The second control unit is installed to output the contents of the copyboard of the copyboard in real time and is installed to store images by scanning periodically. The second control unit is further provided with a signal input unit to receive characters when inputting characters on the display, Wherein the sound source is installed to be output in real time to the electronic whiteboard to be connected. The in-classroom listening system according to claim 1, wherein the desk and desk are installed to mutually transmit and receive wireless signals when a unique ID is assigned to each of the desk and desk.

Images