CN201957210U - Receiver for wireless Bluetooth microphone - Google Patents
Receiver for wireless Bluetooth microphone Download PDFInfo
- Publication number
- CN201957210U CN201957210U CN2010206951915U CN201020695191U CN201957210U CN 201957210 U CN201957210 U CN 201957210U CN 2010206951915 U CN2010206951915 U CN 2010206951915U CN 201020695191 U CN201020695191 U CN 201020695191U CN 201957210 U CN201957210 U CN 201957210U
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- blue tooth
- wireless blue
- microphone receiver
- microprocessor
- module
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Abstract
The utility model discloses a receiver for a wireless Bluetooth microphone, which comprises a Bluetooth transceiving module 121, a microprocessor 122 and an audio output module 123, wherein the Bluetooth transceiving module 121 is used for receiving audio signals of the wireless Bluetooth microphone, the microprocessor 122 is used for converting the audio signals into analog audio signals and connected with the Bluetooth transceiving module 121, and the audio output module 123 is used for outputting the analog audio signals and connected with the microprocessor 122. The receiver for the wireless Bluetooth microphone has the advantages that full-duplex transmission is realized, anti-interference performance of the system of the receiver for the wireless Bluetooth microphone during audio signal transmission is enhanced while transmission distance of the audio signals is increased since the receiver adopts the Bluetooth technology.
Description
Technical field
The utility model relates to the telecommunications field, relates in particular to a kind of wireless blue tooth microphone receiver.
Background technology
General wireless blue tooth microphone receiver, form by some pocket transmitters and a concentrated receiver, every pocket transmitter has a mutually different operating frequency, concentrated receiver can receive the audio signal of the different operating frequency that the pocket transmitter of each sends simultaneously, is adapted to places such as stage or meeting-place.
A kind of multifunction wireless microphone and Headphone device are provided in Chinese patent ZL99245144, by reflector, receiver, changeover plug, the audio-frequency electric cable is formed.Series connection microphone and microphone signal amplifying circuit, preemphasis circuit and serial conversion switch in reflector.At serial conversion switch between the receiving demodulation circuit of receiver and the audio amplifier circuit and between power supply and the audio amplifier circuit.
At present, the tranmitting frequency of microphone generally is a FM frequency modulation frequency range, VHF (very high frequency(VHF)) 50MHz frequency range, VHF200MHz frequency range etc.Because of frequency is lower, transmission of audio signals is subjected to the interference of various electromagnetism clutters easily.
The utility model content
In order to address the above problem, the purpose of this utility model provides a kind of wireless blue tooth microphone receiver, has effectively improved the anti-interference of wireless blue tooth microphone system sound intermediate frequency signal transmission.
In order to achieve the above object, the utility model provides a kind of wireless blue tooth microphone receiver, comprising:
One is used to receive the bluetooth transceiver module 121 from the audio signal of described wireless blue tooth microphone;
One is used for described audio signal is converted to the microprocessor 122 of simulated audio signal, and described microprocessor 122 is connected with described bluetooth transceiver module 121;
One is used to export the audio frequency output module 123 of described simulated audio signal, and described audio frequency output module 123 is connected with described microprocessor 122.
Preferably, described bluetooth transceiver module 121 comprises: one is used for described audio signal is carried out the PCM pulse code modulation coding-decoding circuit of digitized processing.
Preferably, described wireless blue tooth microphone receiver 12 also comprises: one is used for the described audio signal that described bluetooth transceiver module 121 receives is carried out the Bluetooth RF power amplifier 124 of processing and amplifying, and described Bluetooth RF power amplifier 124 is connected with described microprocessor 122 with described bluetooth transceiver module 121 respectively.
Preferably, described wireless blue tooth microphone receiver 12 also comprises: one is used for the power module 125 to described wireless blue tooth microphone receiver 12 power supplies, and described power module 125 is connected with described microprocessor 122.
Preferably, described wireless blue tooth microphone receiver 12 also comprises: a display screen 126, described display screen 126 is connected with described microprocessor 122.
Preferably, described display screen 126 is any one in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen.
Preferably, described wireless blue tooth microphone receiver 12 also comprises: one is used to store the memory module 127 of data, and described memory module 127 is connected with described microprocessor 122.
Preferably, described audio frequency output module 123 is connected with the input hole of the tuning control desk in stage or meeting-place.
As shown from the above technical solution, the utlity model has following beneficial effect: because the wireless blue tooth microphone receiver adopts Bluetooth technology to realize full duplex transmission, and effectively improved the anti-interference of wireless blue tooth microphone receiver system sound intermediate frequency signal transmission, also can increase the transmission of audio signals distance simultaneously.
Description of drawings
Fig. 1 is the structural representation of wireless blue tooth microphone receiver among the embodiment of the present utility model.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer,, the utility model embodiment is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present utility model and explanation are used to explain the utility model, but not as to qualification of the present utility model.
Referring to Fig. 1, be the structural representation of wireless blue tooth microphone receiver among the embodiment of the present utility model, this wireless blue tooth microphone receiver 12 comprises:
One is used to receive the bluetooth transceiver module 121 from the audio signal of wireless blue tooth microphone;
One is used for audio signal is converted to the microprocessor 122 of simulated audio signal, and this microprocessor 122 is connected with bluetooth transceiver module 121;
One is used to export the audio frequency output module 123 of described simulated audio signal, and audio frequency output module 123 is connected with microprocessor 122.
In the present embodiment, bluetooth transceiver module 121 comprises: one is used for audio signal is carried out PCM (pulse code modulation) coding-decoding circuit of digitized processing.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: an audio signal that is used for that bluetooth transceiver module 121 is received is carried out the Bluetooth RF power amplifier 124 of processing and amplifying, and this Bluetooth RF power amplifier 124 is connected with microprocessor 122 with bluetooth transceiver module 121 respectively.
In the present embodiment, audio frequency output module 123 can be connected with the input hole of the tuning control desk in stage or meeting-place.
The wireless blue tooth microphone carries out modulation treatment to receiving audio signal, send to wireless blue tooth microphone receiver 12 by wireless network then, bluetooth transceiver module 121 in the wireless blue tooth microphone receiver 12 is demodulated into audio signal the audio signal of PCM form, carrying out digital-to-analogue conversion by 122 pairs of audio signals of microprocessor then handles, digital audio and video signals is converted to simulated audio signal, outputs to the tuning control desk by audio frequency output module 123 then.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: one is used for the power module 125 to 12 power supplies of wireless blue tooth microphone receiver, and this power module 125 is connected with microprocessor 122.
This power module 125 can comprise other any assemblies that power management module, one or more power supply (for example battery, alternating current), charging circuit etc. are associated.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: a display screen 126, display screen 126 is connected with microprocessor 122.This display screen 126 can be used for to the output of user's display of visually, and this visual output can comprise: text, figure, video and combination in any thereof.
In the present embodiment, display screen 126 can be in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen any one.
In the present embodiment, wireless blue tooth microphone receiver 12 also comprises: one is used to store the memory module 127 of data, and described memory module 127 is connected with described microprocessor 122.This memory module 127 can comprise the high speed random asccess memory, and can comprise nonvolatile memory, for example one or more disk storage devices, flash memory device or other non-volatile solid-state memory devices.
This microprocessor 123 can move various software program and/or the instruction set that are stored in the memory module 127, so that carry out the various functions of wireless blue tooth microphone receiver 12, and data is handled.
As shown from the above technical solution, the utlity model has following beneficial effect: because the wireless blue tooth microphone receiver adopts Bluetooth technology (for example adopting the 2.4GHz frequency range) to realize full duplex transmission, the anti-interference of wireless blue tooth microphone receiver system sound intermediate frequency signal transmission can be effectively improved, also the transmission of audio signals distance can be increased simultaneously.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. a wireless blue tooth microphone receiver is characterized in that, comprising:
One is used to receive the bluetooth transceiver module (121) from the audio signal of described wireless blue tooth microphone;
One is used for described audio signal is converted to the microprocessor (122) of simulated audio signal, and described microprocessor (122) is connected with described bluetooth transceiver module (121);
One is used to export the audio frequency output module (123) of described simulated audio signal, and described audio frequency output module (123) is connected with described microprocessor (122).
2. wireless blue tooth microphone receiver according to claim 1 is characterized in that, described bluetooth transceiver module (121) comprising: one is used for described audio signal is carried out the PCM pulse code modulation coding-decoding circuit of digitized processing.
3. wireless blue tooth microphone receiver according to claim 2, it is characterized in that, also comprise: one is used for the described audio signal that described bluetooth transceiver module (121) receives is carried out the Bluetooth RF power amplifier (124) of processing and amplifying, and described Bluetooth RF power amplifier (124) is connected with described microprocessor (122) with described bluetooth transceiver module (121) respectively.
4. wireless blue tooth microphone receiver according to claim 3, it is characterized in that, also comprise: one is used for the power module (125) to described wireless blue tooth microphone receiver (12) power supply, and described power module (125) is connected with described microprocessor (122).
5. wireless blue tooth microphone receiver according to claim 4 is characterized in that, also comprises: a display screen (126), described display screen (126) is connected with described microprocessor (122).
6. wireless blue tooth microphone receiver according to claim 5 is characterized in that, described display screen (126) is any one in resistive touch screen, capacitive touch screen, infrared type touch-screen and the surface acoustic wave type touch-screen.
7. wireless blue tooth microphone receiver according to claim 5 is characterized in that, also comprises: one is used to store the memory module (127) of data, and described memory module (127) is connected with described microprocessor (122).
8. wireless blue tooth microphone receiver according to claim 7 is characterized in that, described audio frequency output module (123) is connected with the input hole of the tuning control desk in stage or meeting-place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206951915U CN201957210U (en) | 2010-12-31 | 2010-12-31 | Receiver for wireless Bluetooth microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206951915U CN201957210U (en) | 2010-12-31 | 2010-12-31 | Receiver for wireless Bluetooth microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201957210U true CN201957210U (en) | 2011-08-31 |
Family
ID=44501311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206951915U Expired - Lifetime CN201957210U (en) | 2010-12-31 | 2010-12-31 | Receiver for wireless Bluetooth microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201957210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231456A (en) * | 2016-09-14 | 2016-12-14 | 武汉智能鸟无人机有限公司 | A kind of multiple wireless mike |
-
2010
- 2010-12-31 CN CN2010206951915U patent/CN201957210U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231456A (en) * | 2016-09-14 | 2016-12-14 | 武汉智能鸟无人机有限公司 | A kind of multiple wireless mike |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |