CN206977636U - The microphone MIC devices and a kind of refrigerator of a kind of refrigerator - Google Patents
The microphone MIC devices and a kind of refrigerator of a kind of refrigerator Download PDFInfo
- Publication number
- CN206977636U CN206977636U CN201720939015.3U CN201720939015U CN206977636U CN 206977636 U CN206977636 U CN 206977636U CN 201720939015 U CN201720939015 U CN 201720939015U CN 206977636 U CN206977636 U CN 206977636U
- Authority
- CN
- China
- Prior art keywords
- mic
- refrigerator
- electric capacity
- amplification circuit
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model provides a kind of microphone MIC devices of refrigerator and a kind of refrigerator, and the device can include：MIC circuits and signal amplification circuit, wherein, the MIC circuits and the signal amplification circuit are set on a circuit board；The MIC circuits are connected with the signal amplification circuit；The circuit board is arranged on refrigerator main body；The MIC circuits, for collected sound signal, and export to the signal amplification circuit；The signal amplification circuit, for amplifying the voice signal, and export the voice signal after amplification.The voice signal that this programme can avoid collecting weakens significantly.
Description
Technical field
It the utility model is related to technical field of electricity, the MIC devices and a kind of refrigerator of more particularly to a kind of refrigerator.
Background technology
In recent years, with the intelligentized development of household electrical appliances, the refrigerator with speech identifying function is increasingly favored by user.
Sound collector of the refrigerator generally use microphone (Microphone, MIC) as speech recognition.
At present, the voice signal that MIC is collected, it is the control device for being transferred directly to handle voice signal.But
It is that the voice signal that MIC is collected can be decayed in the transmitting procedure for be transferred directly to control device, therefore collect
Voice signal will weaken significantly.
Utility model content
The utility model embodiment provides a kind of MIC devices of refrigerator and a kind of refrigerator, can avoid the sound collected
Sound signal weakens significantly.
In a first aspect, the utility model embodiment provides a kind of MIC devices of refrigerator, including：
MIC circuits and signal amplification circuit, wherein,
The MIC circuits and the signal amplification circuit are set on a circuit board；
The MIC circuits are connected with the signal amplification circuit；
The circuit board is arranged on refrigerator main body；
The MIC circuits, for collected sound signal, and export to the signal amplification circuit；
The signal amplification circuit, for amplifying the voice signal, and export the voice signal after amplification.
Preferably,
Connection line length between the MIC circuits and the signal amplification circuit is not more than 1cm.
Preferably,
The circuit board is arranged on the side decorative strip mouth opening position of the refrigerator main body.
Preferably,
The MIC circuits, including：MIC chips, the first electric capacity and the second electric capacity；
The power pins of the MIC chips one end with first electric capacity, one end of second electric capacity and electricity respectively
Source is connected；One end of first electric capacity and one end of second electric capacity are connected with the power supply；First electric capacity
The other end of the other end and second electric capacity is grounded；
The output pin of the MIC chips is connected with the signal amplification circuit；
The grounding pin ground connection of the MIC chips.
Preferably,
The signal amplification circuit, including：Amplifier, first resistor, second resistance, 3rd resistor and the 3rd electric capacity；
First input pin of the amplifier respectively with one end of the first resistor and one end of the second resistance
It is connected；The other end of the first resistor is connected with reference power supply；The other end of the second resistance is defeated with the amplifier
Go out pin to be connected；
Second input pin of the amplifier respectively with one end of the 3rd resistor and one end of the 3rd electric capacity
It is connected；The other end of the 3rd resistor is connected with the reference power supply；The other end of 3rd electric capacity and the MIC chips
Output pin be connected；
The output pin of the amplifier, for exporting the voice signal of amplification.
Second aspect, the utility model embodiment provide a kind of refrigerator, including：Refrigerator main body and any of the above-described embodiment
In refrigerator MIC devices.
Preferably,
The refrigerator main body, including：Refrigerator door and display lining box；
The refrigerator door is internally provided with installation cavity；
Side decorative strip mouth is offered on the side decorative strip of the refrigerator door；
The display lining box, the installation cavity can be inserted from the side decorative strip mouth；
The MIC devices of the refrigerator are fixed on the display lining box, and insert the installation cavity when the display serves as a contrast box
When, the MIC devices of the refrigerator are located at the side decorative strip mouth opening position.
Preferably,
Further comprise：Control device；
The control device is fixed on the display lining box, is connected with the MIC devices of the refrigerator, and work as the display
When serving as a contrast the box insertion installation cavity, the control device is located in the installation cavity；
The control device, the voice signal after the amplification that the MIC devices for parsing from the refrigerator input, and according to
The result of parsing carries out respective handling to the refrigerator main body.
Preferably,
Further comprise：Loudspeaker；
The loudspeaker is fixed on the display lining box, is connected with the control device, and is inserted when the display serves as a contrast box
When entering the installation cavity, the loudspeaker is located at the side decorative strip mouth opening position；
The loudspeaker, for the control by the control device, play voice.
Preferably,
The refrigerator main body, further comprises：Lid；
The lid, for covering the side decorative strip mouth.
The utility model embodiment provides a kind of MIC devices of refrigerator and a kind of refrigerator, in the MIC devices, MIC circuits
Set on a circuit board with signal amplification circuit, and the two circuits are connected, then when MIC circuits collect voice signal
Afterwards, it can first export to signal amplification circuit, the voice signal collected is amplified by signal amplification circuit, then again will
Voice signal after amplification is exported, so, in transmitting procedure afterwards, even if voice signal can decay, but due to
The voice signal of transmission is amplified by signal amplification circuit, therefore the voice signal that can avoid collecting subtracts significantly
It is weak.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the MIC devices for refrigerator that the utility model one embodiment provides；
Fig. 2 is a kind of structural representation for MIC circuits that the utility model one embodiment provides；
Fig. 3 is a kind of structural representation for signal amplification circuit that the utility model one embodiment provides；
Fig. 4 is a kind of structural representation for refrigerator that the utility model one embodiment provides；
Fig. 5 is a kind of structural representation of refrigerator of the utility model another embodiment offer；
Fig. 6 is a kind of structural representation of refrigerator of the utility model another embodiment offer；
Fig. 7 is a kind of structural representation for refrigerator that the utility model further embodiment provides.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments, based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all belongs to
In the scope of the utility model protection.
As shown in figure 1, the utility model embodiment provides a kind of MIC devices of refrigerator, the device can include：
MIC circuits 101 and signal amplification circuit 102, wherein,
The MIC circuits 101 and the signal amplification circuit 102 are set on a circuit board；
The MIC circuits 101 are connected with the signal amplification circuit 102；
The circuit board is arranged on refrigerator main body；
The MIC circuits 101, for collected sound signal, and export to the signal amplification circuit 102；
The signal amplification circuit 102, for amplifying the voice signal, and export the voice signal after amplification.
In the embodiment shown in fig. 1, in the MIC devices, MIC circuits and signal amplification circuit are arranged on a circuit board
On, and the two circuits are connected, then after MIC circuits collect voice signal, it can export first to signal amplification circuit, by
Signal amplification circuit is amplified to the voice signal collected, is then again exported the voice signal after amplification, so,
In transmitting procedure afterwards, even if voice signal can decay, but because the voice signal of transmission is to amplify electricity by signal
The problem of road is amplified, therefore the voice signal that can avoid collecting weakens significantly.
In order to avoid dropout, in the utility model one embodiment, the MIC circuits and signal amplification electricity
Connection line length between road is not more than 1cm.
In the utility model embodiment, a circuit board compared with small dimension can be selected, it is then relative on the board
Compact setting MIC circuits and signal amplification circuit, wherein, the output end of MIC circuits and the input of signal amplification circuit it
Between connection line length can be no more than 1cm, so, though the voice signal of MIC circuits collection is weaker, but due to MIC circuits and
Signal amplification circuit is arranged on same circuit board, and between signal transmission distance it is shorter, so as to MIC collect it is weaker
Voice signal can be amplified immediately by signal amplification circuit, then again by signal amplification circuit output amplification more times after
Voice signal, therefore the loss of signal can be greatly avoided, and then the control for refrigerator is significant.
In order that MIC circuits can collect the voice signal of outside, in the utility model one embodiment, the electricity
Road plate is arranged on the side decorative strip mouth opening position of the refrigerator main body.
Specifically, refrigerator main body may include refrigerator door, wherein, the side of refrigerator door is referred to as side decorative strip, for example, on the right side
A rectangular side decorative strip mouth is opened up on the side decorative strip of side, then be provided with the circuit of MIC circuits and signal amplification circuit
Plate finally just may be provided at the side decorative strip mouth opening position, so, when there is voice outside, be arranged on the circuit on refrigerator door surface
MIC circuits on plate, it becomes possible to voice signal is collected, it is significant so as to which for after refrigerator can be accurately controlled.
As shown in Fig. 2 in the utility model one embodiment, the MIC circuits, including：MIC chips, the first electric capacity
C1 and the second electric capacity C2；
The power pins 1 of the MIC chips one end with the first electric capacity C1, one end of the second electric capacity C2 respectively
And power supply is connected；One end of the first electric capacity C1 and one end of the second electric capacity C2 are connected with the power supply；Described
The one electric capacity C1 other end and the second electric capacity C2 other end are grounded；
The output pin 2 of the MIC chips is connected with the signal amplification circuit；
The grounding pin 3 of the MIC chips is grounded.
Wherein, to be capable of the voice signal outside the reception of full angle, omni-directional high sensitivity core can be selected in MIC chips
Piece, and MIC chips can use 5v power supplys to power.In the utility model embodiment, the voice signal that MIC chips collect is by drawing
Pin 2 is exported to the signal amplification circuit being arranged on same circuit board.
As shown in figure 3, in the utility model one embodiment, the signal amplification circuit, including：Amplifier Q, the first electricity
Hinder R1, second resistance R2,3rd resistor R3 and the 3rd electric capacity C3；
The first input pin 3 of the amplifier Q one end with the first resistor R1 and the second resistance R2 respectively
One end be connected；The other end of the first resistor R1 is connected with reference power supply；The other end of the second resistance R2 with it is described
Amplifier Q output pin 5 is connected；
The second input pin 4 of the amplifier Q one end with the 3rd resistor R3 and the 3rd electric capacity C3 respectively
One end be connected；The other end of the 3rd resistor R3 is connected with the reference power supply；The other end of the 3rd electric capacity C3 with
The output pin 2 of the MIC chips is connected；
The output pin 5 of the amplifier, for exporting the voice signal of amplification.
Wherein, the first input pin 3 can be inverting input, and the second input pin 4 can be normal phase input end, voice signal
Multiplication factor beTherefore when hardware circuit is debugged, R can be changed according to actual conditions1、R2Resistance, so as to change amplification
Multiple, meet demand, for example, R1Using 1k, R2Using 100k, then the voice signal that MIC is collected is by signal amplification electricity
Road, it will be exaggeratedTimes.In the utility model embodiment, when MIC chips are powered using 5v power supplys, reference power supply
5v can be used.
As shown in figure 4, the utility model embodiment provides a kind of refrigerator, including：Refrigerator main body 401 and any of the above-described reality
Apply the MIC devices 402 of the refrigerator in example.
As shown in figure 5, in the utility model one embodiment, the refrigerator main body, including：Refrigerator door 501 and display
Box 502 is served as a contrast, wherein,
The refrigerator door 501 is internally provided with installation cavity；
Side decorative strip mouth 503 is offered on the side decorative strip of the refrigerator door 501；
The display lining box 502, can insert the installation cavity from the side decorative strip mouth 503；
The MIC devices 402 of the refrigerator are fixed on the display lining box 502, and insert institute when the display serves as a contrast box 502
When stating installation cavity, the MIC devices 402 of the refrigerator are located at the opening position of side decorative strip mouth 503.
For example, display lining box is made up of extension and base, wherein, set fluted on base, the MIC devices of refrigerator can
It is fixed in the groove, then when display lining box inserts installation cavity by side decorative strip mouth, extension enters installation cavity, and sets
The MIC devices of refrigerator on base are then located at side decorative strip mouth opening position, so, are easy to be arranged on the MIC on refrigerator door surface
Voice signal outside device collection.In Fig. 5, display lining box has been inserted into refrigerator door, side decorative strip mouth 503 therein,
Also it is at the base position of display lining box.
As shown in fig. 6, in the utility model one embodiment, further comprise：Control device 601；
The control device 601 is fixed on the display lining box 502, is connected with the MIC devices 402 of the refrigerator, and
When the display lining box 502 inserts the installation cavity, the control device 601 is located in the installation cavity；
The control device 601, the voice signal after the amplification that the MIC devices 402 for parsing from the refrigerator input,
And respective handling is carried out to the refrigerator main body according to the result of parsing.Control centre of the control device as refrigerator, due to it
The reasons such as volume is larger are, it is necessary to be arranged on the inside of refrigerator door.
Specifically, for example, display lining box is made up of extension and base, wherein, be provided with extension one it is larger
Groove, control device can be fixed in the groove of extension, and the MIC devices of the refrigerator with being fixed on base pass through wire harness
It is connected, when display lining box inserts reserved installation cavity by side decorative strip mouth, is then fixed on control device on extension therewith
Into in installation cavity, and the MIC devices of refrigerator are located at side decorative strip mouth opening position.
In the utility model embodiment, sound after control device receives the MIC devices amplification of refrigerator by wire harness
After signal, by parsing, corresponding processing is then made.For example, the voice signal that the MIC devices of refrigerator collect is " by temperature
Degree regulation is to 0 DEG C ", then after control device receives and parses through, then control the temperature value of refrigerator main body to adjust to 0 DEG C.
As shown in fig. 7, in the utility model one embodiment, further comprise：Loudspeaker 701；
The loudspeaker 701 is fixed on the display lining box 502, is connected with the control device 601, and when described aobvious
When showing that lining box 502 inserts the installation cavity, the loudspeaker 701 is located at the opening position of side decorative strip mouth 503；
The loudspeaker 701, for the control by the control device 601, play voice.
Wherein, loudspeaker, as the speech player of refrigerator, it may be provided at refrigerator door surface.
Specifically, be made up of for example, showing and serving as a contrast box extension and base, wherein, a groove is set on extension, then
Two grooves are set on base, then control device can be fixed on the groove on extension, and the MIC devices of refrigerator can be fixed on
A groove on base, and loudspeaker is then fixed on another groove on base, then can be filled by the MIC of refrigerator
Put the binding post reserved and be connected to control device, and control device is connected with loudspeaker, then when display lining box leads to
When crossing side decorative strip mouth insertion installation cavity, control device enters in installation cavity with extension, and the MIC devices and loudspeaker of refrigerator are then
Positioned at side decorative strip mouth opening position.
In the utility model embodiment, when there is the demand of speech play, then language is carried out by control device controlling loudspeaker
Sound plays.
It is attractive in appearance for refrigerator, in the utility model one embodiment, further comprise：Lid；
The lid, for covering the side decorative strip mouth.
Multiple perforates are may be provided with the utility model embodiment, on lid, then when be fixed with refrigerator MIC devices,
It is attractive in appearance for refrigerator during the display lining box insertion installation cavity of control device and loudspeaker, then side decorative strip mouth is covered using lid,
Afterwards during voice messaging outside collection, the MIC devices of refrigerator can be acquired by multiple perforates on lid, similarly,
When needing to play voice messaging, loudspeaker can carry out speech play by multiple perforates on lid.
To sum up, each embodiment of the utility model at least has the advantages that：
1st, in the utility model embodiment, in the MIC devices, MIC circuits and signal amplification circuit are arranged on an electricity
On the plate of road, and the two circuits are connected, then after MIC circuits collect voice signal, can first export and amplify electricity to signal
Road, the voice signal collected is amplified by signal amplification circuit, then again exported the voice signal after amplification,
So, in transmitting procedure afterwards, even if voice signal can decay, but because the voice signal of transmission is put by signal
The problem of big circuit is amplified, therefore the voice signal that can avoid collecting weakens significantly.
2nd, in the utility model embodiment, by the way that MIC circuits and signal amplification circuit are arranged on into same circuit board
On, and the of length no more than 1cm of connecting line between MIC circuits and signal amplification circuit, then the sound letter that MIC circuits collect
It number can be immediately amplified, avoid causing more signal attenuation because cabling is long, especially when MIC circuits gather
When the voice signal arrived is weaker, it can be amplified before weaker voice signal has all been decayed, so as to preferably
Avoid dropout.
3rd, in the utility model embodiment, because control device need to be arranged in the installation cavity of refrigerator door, it is provided with
The circuit board of MIC circuits and signal amplification circuit is arranged at the side decorative strip mouth of refrigerator main body, then when MIC circuits gather sound
After signal, first pass through the signal amplification circuit being arranged on same circuit board and voice signal is amplified, then will amplify
Voice signal afterwards is transferred to control device by wire harness, so as to greatly reduce due between MIC circuits and control device
Cabling it is long and caused by signal weaken problem.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply and exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of elements not only include those key elements,
But also the other element including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except other identical factor in the process including the key element, method, article or equipment being also present.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer-readable storage medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is merely to illustrate this practicality
New technical scheme, is not intended to limit the scope of protection of the utility model.It is all the spirit and principles of the utility model it
Interior done any modification, equivalent substitution and improvements etc., are all contained in the scope of protection of the utility model.
Claims (10)
- A kind of 1. microphone MIC devices of refrigerator, it is characterised in that including：MIC circuits and signal amplification circuit, wherein,The MIC circuits and the signal amplification circuit are set on a circuit board；The MIC circuits are connected with the signal amplification circuit；The circuit board is arranged on refrigerator main body；The MIC circuits, for collected sound signal, and export to the signal amplification circuit；The signal amplification circuit, for amplifying the voice signal, and export the voice signal after amplification.
- 2. the MIC devices of refrigerator according to claim 1, it is characterised in thatConnection line length between the MIC circuits and the signal amplification circuit is not more than 1cm.
- 3. the MIC devices of refrigerator according to claim 1, it is characterised in thatThe circuit board is arranged on the side decorative strip mouth opening position of the refrigerator main body.
- 4. according to the MIC devices of any described refrigerators of claim 1-3, it is characterised in thatThe MIC circuits, including：MIC chips, the first electric capacity and the second electric capacity；The power pins of the MIC chips one end with first electric capacity, one end of second electric capacity and power supply phase respectively Even；One end of first electric capacity and one end of second electric capacity are connected with the power supply；First electric capacity it is another The other end of end and second electric capacity is grounded；The output pin of the MIC chips is connected with the signal amplification circuit；The grounding pin ground connection of the MIC chips.
- 5. the MIC devices of refrigerator according to claim 4, it is characterised in thatThe signal amplification circuit, including：Amplifier, first resistor, second resistance, 3rd resistor and the 3rd electric capacity；First input pin of the amplifier is connected with one end of the first resistor and one end of the second resistance respectively； The other end of the first resistor is connected with reference power supply；The output pin of the other end of the second resistance and the amplifier It is connected；Second input pin of the amplifier respectively with one end of the 3rd resistor and one end phase of the 3rd electric capacity Even；The other end of the 3rd resistor is connected with the reference power supply；The other end of 3rd electric capacity and the MIC chips Output pin is connected；The output pin of the amplifier, for exporting the voice signal of amplification.
- A kind of 6. refrigerator, it is characterised in that including：The MIC devices of refrigerator main body and any described refrigerators of claim 1-5.
- 7. refrigerator according to claim 6, it is characterised in thatThe refrigerator main body, including：Refrigerator door and display lining box；The refrigerator door is internally provided with installation cavity；Side decorative strip mouth is offered on the side decorative strip of the refrigerator door；The display lining box, the installation cavity can be inserted from the side decorative strip mouth；The MIC devices of the refrigerator are fixed on the display lining box, and when the display lining box inserts the installation cavity, institute The MIC devices for stating refrigerator are located at the side decorative strip mouth opening position.
- 8. refrigerator according to claim 7, it is characterised in thatFurther comprise：Control device；The control device is fixed on the display lining box, is connected with the MIC devices of the refrigerator, and when the display serves as a contrast box When inserting the installation cavity, the control device is located in the installation cavity；The control device, the voice signal after the amplification that the MIC devices for parsing from the refrigerator input, and according to parsing Result to the refrigerator main body carry out respective handling.
- 9. refrigerator according to claim 8, it is characterised in thatFurther comprise：Loudspeaker；The loudspeaker is fixed on the display lining box, is connected with the control device, and when the display serves as a contrast box insertion institute When stating installation cavity, the loudspeaker is located at the side decorative strip mouth opening position；The loudspeaker, for the control by the control device, play voice.
- 10. according to any described refrigerators of claim 7-9, it is characterised in thatThe refrigerator main body, further comprises：Lid；The lid, for covering the side decorative strip mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939015.3U CN206977636U (en) | 2017-07-31 | 2017-07-31 | The microphone MIC devices and a kind of refrigerator of a kind of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939015.3U CN206977636U (en) | 2017-07-31 | 2017-07-31 | The microphone MIC devices and a kind of refrigerator of a kind of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977636U true CN206977636U (en) | 2018-02-06 |
Family
ID=61398139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720939015.3U Active CN206977636U (en) | 2017-07-31 | 2017-07-31 | The microphone MIC devices and a kind of refrigerator of a kind of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984931A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Door opening and closing reminding control method for refrigerator |
-
2017
- 2017-07-31 CN CN201720939015.3U patent/CN206977636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984931A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Door opening and closing reminding control method for refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107948799B (en) | Wireless headset and charging box | |
| CN207518807U (en) | Combined earphone | |
| CN206977636U (en) | The microphone MIC devices and a kind of refrigerator of a kind of refrigerator | |
| CN104144237B (en) | Communication terminal audio frequency production line test method and test device | |
| CN205491090U (en) | Wireless adapter | |
| CN103974168A (en) | Information processing method and electronic devices | |
| CN110324759A (en) | Voice sound equipment pickup circuit and device | |
| CN206759672U (en) | A kind of microphone | |
| CN205862785U (en) | Effect device | |
| CN105702272B (en) | A kind of audio-frequence player device | |
| CN205159720U (en) | USB -Type -C interface converter | |
| CN106506758A (en) | Terminal protection set | |
| CN203039879U (en) | Integrated sound equipment | |
| CN211604687U (en) | Tea table type household electrical appliance control equipment based on far field voice | |
| CN207475783U (en) | A kind of Super Bass Loudspeaker Enclosure and electronic equipment | |
| CN102361505A (en) | Electronic equipment and method for identifying external power amplification module based on MICRO-USB interface | |
| CN207369276U (en) | A kind of audio frequency processing system | |
| CN205017741U (en) | Electronic device protection shell | |
| CN206584732U (en) | A kind of phonograph with ANTENNAUDIO emission function | |
| CN206332684U (en) | Intelligent gateway sound system | |
| CN206893292U (en) | Smart home embedded Bluetooth background music player | |
| CN207399466U (en) | A kind of earphone | |
| CN205081944U (en) | Audio amplifier with play function | |
| CN206181330U (en) | Multipurpose earphone and sound broadcast system | |
| CN210579019U (en) | Bluetooth audio playback device of customization pronunciation is inserted to intelligence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621050 No. 303 Jiuzhou Road, Fucheng District, Mianyang, Sichuan. Patentee after: Sichuan Hongmei Intelligent Technology Co., Ltd. Address before: 621050 No. 303 Jiuzhou Road, Fucheng District, Mianyang, Sichuan. Patentee before: Mianyang MeiLing Software Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |