CN210327915U

CN210327915U - Page turning pen with microphone

Info

Publication number: CN210327915U
Application number: CN201921404395.6U
Authority: CN
Inventors: 魏良; 周欢乐; 谢士军
Original assignee: Deli Group Co Ltd
Current assignee: Deli Group Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-14
Anticipated expiration: 2029-08-27

Abstract

A page turning pen with a microphone comprises a shell and a Bluetooth receiver, wherein a control circuit board and a battery are arranged in the shell, the control circuit board is wirelessly connected with the Bluetooth receiver through Bluetooth, the battery of the control circuit board is electrically connected, a key is arranged on the shell and electrically connected with the control circuit board, and the key comprises an up-turning key, a down-turning key and a volume key; the shell is also provided with a microphone, and the microphone is electrically connected with the control circuit board. Compared with the prior art, the utility model discloses on turning over the page or leaf pen with the microphone is integrated, the page or leaf pen on the market does not have this function. The utility model discloses the excellence lies in will turning over a page pen, loudspeaker/microphone two kinds of equipment and close as an organic wholely, lets the user need not to carry too much equipment, convenient to carry.

Description

Page turning pen with microphone

Technical Field

The utility model relates to a teaching tool and meeting equipment field especially relate to turn over a page pen.

Background

In traditional teaching, speech, meeting, enterprise training process, the speaker often need use laser simultaneously to turn over two kinds of equipment of page pen, megaphone microphone when using PPT lecture, and one is the speech in-process carries inconveniently, and second is inconvenient carries out limbs and trunk interaction with the audience, has reduced the interactivity of speech, influences speech efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above problem provide a convenient to carry, have the page turning pen of microphone of public address function.

The utility model provides a used technical scheme of above problem is: a page turning pen with a microphone comprises a shell and a Bluetooth receiver, wherein a control circuit board and a battery are arranged in the shell, the control circuit board is wirelessly connected with the Bluetooth receiver through Bluetooth, the battery of the control circuit board is electrically connected, a key is arranged on the shell and electrically connected with the control circuit board, and the key comprises an up-turning key, a down-turning key and a volume key; the shell is also provided with a microphone, and the microphone is electrically connected with the control circuit board.

Compared with the prior art, the utility model discloses on turning over the page or leaf pen with the microphone is integrated, the page or leaf pen on the market does not have this function. The utility model discloses the excellence lies in will turning over a page pen, loudspeaker/microphone two kinds of equipment and close as an organic wholely, lets the user need not to carry too much equipment, convenient to carry.

Preferably, the number of the microphones is two. The two microphones form a double-microphone array, and have the functions of sound pickup, noise reduction and beam forming.

Preferably, one of the microphones is located at the upper end of the housing and the other microphone is located at the lower end of the housing. Such an arrangement makes the sound pickup effect better.

Preferably, the control circuit board comprises an audio codec and an echo cancellation module. After the microphone function begins to work, receive the sound in the surrounding environment, then filter through the echo cancellation module, only output speaker's sound signal, compile into specific digital signal with received sound signal through audio codec, rethread DSP module handles, send to the bluetooth receiver of inserting on the computer by bluetooth emission module, the audio amplifier of rethread access computer is played outward, reaches the effect of public address.

Preferably, the key further comprises a mode switching key. The mode switching key can be switched into three working modes: the first mode is a power-off mode, in which all functions of the page turning pen are turned off, that is, no response is generated when any function key is pressed; the second mode is a demonstration mode, PPT demonstration can be carried out in the mode, keys such as an up-turning key, a down-turning key, a volume key and the like are pressed, signals are sent to a Bluetooth receiver inserted into a USB interface of a computer, response corresponding to corresponding function keys can occur on the computer, and if the down-turning key is pressed, PPT which is being demonstrated on the computer can turn to the next page; the third mode is a microphone mode, in which not only the PPT presentation can be performed, but also the microphone function is turned on.

Preferably, the key further comprises an indication key. Pressing the indicator key can light the indicator light in the shell for indicating the screen, and the indication mode is physical laser indication.

Preferably, the indication key, the flip-up key and the flip-down key are all circular, the size of the flip-up key is consistent with that of the flip-down key, the size of the indication key is larger than that of the flip-up key and that of the flip-down key, and the indication key is located between the flip-up key and the flip-down key. The size refers to the diameter of the indicator key, the up key and the down key.

Preferably, the lower end face of the shell is provided with a groove, and the Bluetooth receiver is located in the groove. The Bluetooth receiver is used for accommodating the Bluetooth receiver and is prevented from being lost when the Bluetooth receiver is not inserted into a computer.

Drawings

Fig. 1 is a schematic structural view of a page turning pen with a microphone according to the present invention.

Fig. 2 is a working schematic diagram of a page turning pen with a microphone according to the present invention.

Fig. 3 is a working schematic diagram of the microphone of the page turning pen with the microphone according to the present invention.

As shown in the figure: 1. the device comprises a shell, 11, a groove, 2, a control circuit board, 21, an audio codec, 22, an echo cancellation module, 3, a Bluetooth receiver, 4, a battery, 5, a key, 51, an up-turning key, 52, a down-turning key, 53, a volume key, 54, a mode switching key, 55, an indication key, 6 and a microphone

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

As shown in fig. 1, 2 and 3, a page turning pen with a microphone comprises a casing 1 and a bluetooth receiver 3, wherein a control circuit board 2 and a battery 4 are arranged in the casing 1. Control circuit board 2 passes through bluetooth wireless connection with bluetooth receiver 3, and control circuit board 2 is connected with battery 4 electricity. The shell 1 is provided with a key 5, and the key 5 is electrically connected with the control circuit board 2. The casing 1 is also provided with a microphone 6, and the microphone 6 is electrically connected with the control circuit board 2. The number of the microphones 6 is two, wherein one microphone 6 is positioned at the upper end of the front surface of the shell 1, and the other microphone 6 is positioned at the lower end of the front surface of the shell 1.

The keys 5 include a flip-up key 51, a flip-down key 52, a volume key 53, a mode switching key 54, and an indication key 55. The up-turning key 51, the down-turning key 52 and the indication key 55 are positioned on the front surface of the shell 1, the indication key 55, the up-turning key 51 and the down-turning key 52 are all circular, the size of the up-turning key 51 is consistent with that of the down-turning key 52, the size of the indication key 55 is larger than that of the up-turning key 51 and that of the down-turning key 52, and the indication key 55 is positioned between the up-turning key 51 and the down-turning key 52. The mode switching key 54 is located on the left outer wall of the housing 1, and the volume key 53 is located on the right outer wall of the housing 1.

The control circuit board 2 includes a main control chip, a voltage conversion chip, a bluetooth module, a DSP module, an audio codec 21, and an echo cancellation module 22.

The mode switching key can be switched into three working modes: the first mode is a power-off mode, in which all functions of the page turning pen are turned off, that is, no response is generated when any function key is pressed; the second mode is a demonstration mode, PPT demonstration can be carried out in the mode, keys such as an up-turning key 51, a down-turning key 52, a volume key 53, an indication key 55 and the like are pressed, signals are sent to a Bluetooth receiver inserted into a USB interface of a computer, response corresponding to corresponding function keys can occur on the computer, if the down-turning key is pressed, PPT being demonstrated on the computer can be turned to the next page; the third mode is a microphone mode, in which not only the PPT presentation can be performed, but also the microphone function is turned on.

After the microphone function begins to work, receive the sound in the surrounding environment, then filter through echo cancellation module 22, only output speaker's sound signal, compile into specific digital signal with received sound signal through audio codec 21, rethread DSP module handles, send to the bluetooth receiver of inserting on the computer by bluetooth emission module, and the audio amplifier of rethread access computer is put outward, reaches the effect of public address. The upper and lower double-microphone array has the functions of picking up sound, reducing noise and forming wave beams.

Pressing the indicator key 55 can light up an indicator lamp in the housing for indicating the screen, and the indication mode is digital light spot indication or laser indication.

The lower terminal surface of casing 1 is equipped with recess 11, and bluetooth receiver 3 is located recess 11.

The utility model discloses on turning over the page or leaf pen with the microphone is integrated, will turn over two kinds of equipment of page or leaf pen, megaphone microphone and close as an organic wholely, let the user need not to carry too much equipment, convenient to carry.

Claims

1. A page turning pen with a microphone comprises a shell (1) and a Bluetooth receiver (3), wherein a control circuit board (2) and a battery (4) are arranged in the shell (1), the control circuit board (2) is in wireless connection with the Bluetooth receiver (3) through Bluetooth, the control circuit board (2) is electrically connected with the battery (4), a key (5) is arranged on the shell (1), the key (5) is electrically connected with the control circuit board (2), and the key (5) comprises an upturning key (51), a downturning key (52) and a volume key (53); the method is characterized in that: still be equipped with microphone (6) on casing (1), microphone (6) are connected with control circuit board (2) electricity.

2. A page turning pen with a microphone according to claim 1, characterized in that: the number of the microphones (6) is two.

3. The page turning pen with the microphone according to claim 2, wherein: one of the microphones (6) is positioned at the upper end of the shell (1), and the other microphone (6) is positioned at the lower end of the shell (1).

4. A page turning pen with a microphone according to claim 1, characterized in that: the control circuit board (2) comprises an audio codec (21) and an echo cancellation module (22).

5. A page turning pen with a microphone according to claim 1, characterized in that: the key (5) further comprises a mode switching key (54).

6. A page turning pen with a microphone according to claim 1, characterized in that: the key (5) further comprises an indication key (55).

7. The page turning pen with the microphone according to claim 6, wherein: the indication key (55), the upturning key (51) and the downturning key (52) are all circular, the size of the upturning key (51) is consistent with that of the downturning key (52), the size of the indication key (55) is larger than that of the upturning key (51) and that of the downturning key (52), and the indication key (55) is located between the upturning key (51) and the downturning key (52).

8. A page turning pen with a microphone according to claim 1, characterized in that: the lower terminal surface of casing (1) is equipped with recess (11), bluetooth receiver (3) are located recess (11).