CN212969989U - Device with bluetooth speaker function and calling function - Google Patents
Device with bluetooth speaker function and calling function Download PDFInfo
- Publication number
- CN212969989U CN212969989U CN202021919810.4U CN202021919810U CN212969989U CN 212969989 U CN212969989 U CN 212969989U CN 202021919810 U CN202021919810 U CN 202021919810U CN 212969989 U CN212969989 U CN 212969989U
- Authority
- CN
- China
- Prior art keywords
- module
- function
- calling
- bluetooth
- pin
- 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
- 230000003321 amplification Effects 0.000 claims abstract description 37
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 description 45
- 238000010586 diagram Methods 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 20
- 230000005236 sound signal Effects 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 101710179738 6,7-dimethyl-8-ribityllumazine synthase 1 Proteins 0.000 description 1
- 101000908580 Homo sapiens Spliceosome RNA helicase DDX39B Proteins 0.000 description 1
- 101710186608 Lipoyl synthase 1 Proteins 0.000 description 1
- 101710137584 Lipoyl synthase 1, chloroplastic Proteins 0.000 description 1
- 101710090391 Lipoyl synthase 1, mitochondrial Proteins 0.000 description 1
- 102100021298 b(0,+)-type amino acid transporter 1 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model discloses a device with bluetooth speaker function and calling function, include: bluetooth sound box module, calling module, Bluetooth sound box module and calling module are in same suit, share the same power of the same way to the two still share same power module, same power amplification module, same group speaker. In some entity shops, bluetooth speaker function and calling function often can be used simultaneously, the utility model discloses combine bluetooth speaker function and calling function, calling device can utilize bluetooth speaker's bluetooth function, make calling device's setting become more convenient, realized bluetooth speaker's function with a very low mode of cost moreover to bluetooth speaker function and calling function all have the function of broadcast sound, if work in same suit is in to bluetooth speaker function and calling function, just can unify and coordinate two functions, avoid the two to send the noisy situation of sound simultaneously.
Description
Technical Field
The utility model relates to a calling set technical field especially relates to a device with bluetooth speaker function and calling function.
Background
With the increasingly competitive service industry, service awareness of service industry practitioners is increasing, and the service industry has a need for intelligence, for example, in a restaurant, a customer can click a call terminal on a dining table to request service, and a waiter can provide service to the customer in time, and a caller is needed to realize such a function.
In addition, along with the increasing popularization of mobile payment, mobile payment scenes are more and more used by people, for example, in a restaurant using a pager mentioned in the last scene, a customer can use a payment treasure to pay, after the payment is finished, the mobile phone of a payee can broadcast a sound of 'payment treasure arrives at the account XX element', but the sound broadcasted by the mobile phone is not high enough, and the mobile phone is often matched with a Bluetooth sound box to be used together, so that the broadcasted sound is greatly improved.
After market research and research on the existing products, the calling device and the bluetooth speaker mentioned in the above two scenes have the following disadvantages:
the existing calling device is set by adopting keys, is limited to the size of the calling device, generally has less keys, is set by the calling device more complicated, and has to realize complicated function setting by using less keys, so the setting operation of the existing calling device is very complicated and is easy to make mistakes. In addition, in order to save additional space, users often hang the calling device on a wall like a clock, so that it is more difficult to set the calling device by pressing keys at this time.
Secondly, in a scene that the calling device and the Bluetooth sound box need to be used simultaneously, if one calling device and one Bluetooth sound box are purchased simultaneously, the use cost of a user can be greatly increased.
Third, calling device and bluetooth speaker all have the function of broadcast sound, if need use these two devices simultaneously, will appear these two devices and report the condition of sound simultaneously, sound just is comparatively noisy under this kind of condition, can lead to two kinds of sounds all to be difficult to hear clearly.
Disclosure of Invention
The to-be-solved problem of the utility model is to provide an existing bluetooth speaker function, have the device of calling function again, the user can use bluetooth speaker function and calling function simultaneously in same suit.
In order to solve the above problem, the utility model provides a device with bluetooth speaker function and calling function, include: bluetooth speaker module, calling module, get up Bluetooth speaker module and calling module combination, realize the Bluetooth speaker function and call function simultaneously in same suit, and Bluetooth speaker module and calling module share same way input power.
Furthermore, in the device with the bluetooth speaker function and the calling function, the bluetooth speaker module and the calling module share the same power module.
Further, in the device with the bluetooth speaker function and the call function, the bluetooth speaker module and the call module share the same power amplification module, and a group of power amplification modules may be one power amplification module located in the device or a plurality of power amplification modules located in the device at the same time.
Further, in the device with the bluetooth speaker function and the call function, the bluetooth speaker module and the call module share the same set of speakers, and a set of speakers may be one speaker located in the device or a plurality of speakers located in the device at the same time.
Compared with the existing products, the utility model discloses the beneficial effect who has is:
one, the utility model discloses combine bluetooth speaker function and calling function, calling device just can use bluetooth speaker's bluetooth function like this, and through bluetooth function, calling device just can communicate with mobile application, and mobile application just can set up calling device, has just also avoided setting up calling device through the mode of button to can use calling device's setting function more easily, more directly perceived, more conveniently.
Secondly, in terms of hardware, the Bluetooth sound box function and the calling function have the same parts, such as a power supply module, a power amplification module and a loudspeaker, if a Bluetooth sound box and a calling device are purchased at the same time, the method is equivalent to purchasing two power supply modules, two power amplification modules and two loudspeakers, the hardware cost is greatly improved, if the Bluetooth sound box function and the calling function are combined in the same device, the same function can be realized only by one power supply module, one power amplification module and one loudspeaker, and therefore the hardware cost is greatly reduced.
And thirdly, the calling device and the Bluetooth sound box have the function of playing the sound, if the function of the Bluetooth sound box and the function of the calling are combined in the same device, the sequence of playing the sound by the two functions can be coordinated, the noisy situation that the two independent functions play the sound at the same time is avoided, and the sound played by the two functions can be clearly heard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is an overall block diagram of the present invention.
Fig. 2 is a block diagram of a call module.
Fig. 3 is a block diagram of a bluetooth speaker module.
Fig. 4 is a circuit diagram of the call module slave of the present invention.
Fig. 5 is a circuit diagram of a first implementation of the invention.
Fig. 6 is a circuit diagram of a second implementation of the present invention.
Wherein the reference numerals are:
100: a device having a Bluetooth speaker function and a calling function;
111: a power supply module;
112: a speaker;
113: a Bluetooth module;
114: a power amplification module;
115: a communication module;
116: a control module;
120: calling a module slave;
200: a calling module;
201: a power supply module;
202: a speaker;
203: a control module;
204: a power amplification module;
205: a communication module;
210: calling a module slave;
300: a Bluetooth sound box module;
301: a power supply module;
302: a speaker;
303: a power amplification module;
304: and a Bluetooth module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention. The examples are described in detail below.
Fig. 2 is a block diagram of a calling module (200) in a conventional product, which includes a power module (201), a speaker (202), a control module (203), a power amplification module (204), a communication module (205), and a calling module slave (210). Fig. 3 is a block diagram of a bluetooth speaker module (300) in a conventional product, which includes a power module (301), a speaker (302), a power amplification module (303), and a bluetooth module (304). It can be seen that many functional modules of the call module (200) and the bluetooth speaker module (300) are the same, such as the power module (201) and the power module (301), the speaker (202) and the speaker (302), and the power amplification module (204) and the power amplification module (303), so that the call module (200) and the bluetooth speaker module (300) are closely related in function and structure, and combining the two is not a simple function and structure superposition.
Fig. 1 is a block diagram of the whole module of the present invention, that is, a block diagram of an apparatus (100) having a bluetooth speaker function and a call function, wherein the apparatus includes a power module (111), a speaker (112), a bluetooth module (113), a power amplification module (114), a communication module (115), a control module (116), and a call module slave (120). The device (100) with the Bluetooth speaker function and the calling function comprises all the function modules of the calling module (200) and the Bluetooth speaker module (300), and only one of the function modules is reserved for the repeated function modules, namely only one power supply module (111), one loudspeaker (112) and one power amplification module (114).
Fig. 4 is a circuit diagram of the calling module slave according to the present invention. Taking a restaurant as an example, the calling module slave machine (120) is generally installed on a dining table, a user clicks a key of the calling module slave machine (120), then the calling module slave machine (120) sends the own equipment number to the calling module host machine through 433M wireless communication, and the calling module host machine can know which dining table needs to be served and prompt in a voice broadcasting mode, so that a waiter can provide service for customers with demands in time.
The call module slave (120) is typically battery powered, and the power supply circuitry is part of the battery BAT1 of fig. 4. The power input by the battery is converted into a +3.3V power through a low dropout regulator U2, and the +3.3V power is filtered through a capacitor C7 and a capacitor C8.
The circuit diagram corresponding to the KEY part of the call module slave (120) is the relevant part of the KEY1 in fig. 4. When the KEY1 is not pressed, the pin P2.5 of the single chip microcomputer U1 is at a high level due to the action of the pull-up resistor, and when the KEY1 is pressed, the pin P2.5 of the single chip microcomputer U1 is directly short-circuited with GND, and at this time, the pin P2.5 of the single chip microcomputer U1 is at a low level. Therefore, a level falling edge is generated in the whole process of pressing the KEY1, so that the single chip microcomputer U1 can acquire the action of clicking the KEY by the user.
The main component used by the communication part of the call module slave (120) is the 433M wireless communication module of the SPI interface, and the scheme of the 433M wireless communication module of the SPI interface has the advantages of wide application range, mature technology and stable performance, and the module has good replaceability, and the 433M wireless communication modules of SPI interfaces of various types in the market, such as CC1101, SI4463 and the like, all have the SPI interfaces.
The circuit diagram corresponding to the communication part of the call module slave (120) is the relevant part of connector P2 in fig. 4. Connector P2 has 6 pins. Pin 1 of the connector P2 is a power input pin of the 433M wireless communication module, and since the input voltage range of the 433M wireless communication module is 1.8V-3.6V, a +3.3V power input is adopted here. Pin 2 of connector P2 is a GND pin of 433M wireless communication module, and the pin is connected to GND in the system. Pin 3 of connector P2 is chip selection pin CS of SPI interface of singlechip U1, connects chip selection pin CS of SPI interface of 433M wireless communication module. Pin 4 of connector P2 is the data input pin SI of the SPI interface of singlechip U1, connects the data output pin SO of the SPI interface of 433M wireless communication module. Pin 5 of connector P2 is the data output pin SO of the SPI interface of singlechip U1, connects the data input pin SI of the SPI interface of 433M wireless communication module. Pin 6 of connector P2 is the clock pin SCK of the SPI interface of singlechip U1, connects the clock pin SCK of the SPI interface of 433M wireless communication module. Pin 3, pin 4, pin 5, pin 6 of connector P2 all are used for SPI communication, these 4 pins have added pull-up and have arranged RP2 in order to strengthen SPI communication's stability, these 4 pins have received pin P1.0, pin P1.1, pin P1.2, pin P1.3 of singlechip U1 respectively, these 4 pins of singlechip do not have the function of SPI interface itself, so adopt software to simulate the communication protocol of SPI interface.
Fig. 5 is a circuit diagram of a first implementation of the invention. The utility model discloses a this part circuit has following two main effects:
the device number sent by the calling module slave machine is received through the communication module (115) as a host machine of the calling module, and then voice broadcasting is carried out through the power amplification module (114) and the loudspeaker (112) to remind a waiter of providing service for customers.
And secondly, the Bluetooth sound box is used as a Bluetooth sound box and is connected with the mobile phone through a Bluetooth module (113), and then the sound of the mobile phone is played through a power amplification module (114) and a loudspeaker (112). In addition, the control module (116) can also communicate with a mobile phone application program through the Bluetooth module (113), so that the purpose of configuring the calling module is achieved.
The utility model discloses a circuit diagram that power module (111) corresponds is the relevant part of connector P3 of fig. 5, and connector P3 has 2 pins, and the DC 9V power is followed connector P3 and is input, provides the electric energy for entire system. Pin 1 of the connector P3 is VCC of the DC 9V power supply, and pin 2 of the connector P3 is GND of the DC 9V power supply. The DC 9V power supply is converted into a power supply VDD through a low-dropout linear regulator U2, and the VDD is + 5V. VDD is converted into +3.3V power supply through the low dropout regulator U3. In the circuit of the part, the capacitor C15, the capacitor C16, the capacitor C17, the capacitor C18, the capacitor C20 and the capacitor C21 all play a role in filtering, wherein the capacitor of 10uF filters low-frequency interference waves in the circuit, and the capacitor of 0.1uF filters high-frequency interference waves in the circuit. The capacitor C19 is 1000uF, which plays the role of energy storage in the circuit, and during the system operation, if the transient large power occurs, the electric energy stored in the capacitor C19 will be released quickly for the system to use.
The utility model discloses a circuit diagram that speaker (112) corresponds is the relevant part of speaker LS1, speaker LS2 of fig. 5, and speaker LS1, speaker LS2 are connected with power amplifier circuit respectively for the sound of broadcast through power amplifier circuit amplification.
The utility model discloses a main components and parts that bluetooth module (113) part was used are bluetooth communication module, specifically are the bluetooth communication module that the model of Shenzhen only creation sound electronics Limited company production is WT2605B 03. The Bluetooth communication module supports dual-mode Bluetooth, namely, the Bluetooth communication module supports classic Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE) simultaneously. The classic Bluetooth (BR/EDR) has high power consumption and large transmission data volume and is suitable for a scene of transmitting audio data; the low-power Bluetooth (BLE) has low power consumption and small transmission data volume, and is suitable for the scene of configuration information of transmission equipment.
The circuit diagram corresponding to the bluetooth module (113) of the present invention is the relevant part of the connector P3 of fig. 5. In this embodiment, the power VCC pin and the power GND pin of the bluetooth communication module are used, corresponding to the 1 st pin and the 5 th pin of the connector P3, wherein the 1 st pin of the connector P3 is connected to the power VDD of the system, and the +5V power is used, and the 5 th pin of the connector P3 is connected to the GND of the system. The serial port pins of the Bluetooth communication module, namely RXD-BT and TXD-BT pins, are also used, the 2 nd pin and the 3 rd pin corresponding to the connector P3 are also used, and the 2 nd pin and the 3 rd pin of the connector P3 are also respectively connected with the serial port of the singlechip U1, so that the singlechip can communicate with the Bluetooth communication module through the serial port, whether the Bluetooth communication module plays sound or not can be controlled, the Bluetooth communication module can also communicate with a mobile phone application program, and the purpose of configuring equipment by using the mobile phone application program is achieved. The audio output pin of the bluetooth communication module, namely the DAC pin, corresponds to the 4 th pin of the connector P3, and the 4 th pin of the connector P3 is connected with the input end BP1 of the power amplification module (114), so that the audio output by the bluetooth communication module can be amplified by the power amplification module (114) and then played through the speaker (112).
The circuit diagram of the calling module slave (120) of the present invention is shown in fig. 4, which has already been described above and is not repeated herein.
The circuit diagram corresponding to the power amplification module (114) of the present invention is the relevant part of the power amplification chip U4 and the power amplification chip U5 of fig. 5. Here, the description will be given by taking a part related to the power amplifier chip U5 as an example, and a part related to the power amplifier chip U4 is similar thereto. The power amplifier chip U5 is a very common power amplifier chip LM386, and its pin functions are: pin 1, pin 8, gain setting; pin 2, inverting input; pin 3, normal phase input; pin 4, GND; a pin 5 for amplifying the signal output; and a pin 6: VCC; pin 7, bypass. An audio signal output by the Bluetooth communication module is input from a BP1 port, passes through a potentiometer RV2, enters a non-inverting input pin of an LM386, is amplified by the LM386, and is output to a loudspeaker LS2 from a pin 5. Wherein the potentiometer RV2 can be used for volume adjustment; the capacitor C260 is an input coupling capacitor, and the capacitor C240 is an output coupling capacitor; when the amplified signal is output by a loudspeaker connected with an inductive load, R70 and C250 can ensure high-frequency stability; the capacitor C230 is a bypass capacitor; the capacitor C220 is an external coupling capacitor for increasing the circuit gain.
The related partial circuit of the power amplification chip U5 is used for amplifying the audio signal output by the Bluetooth communication module, and the related partial circuit of the power amplification chip U4 is used for amplifying the audio signal output by the Chinese speech synthesis chip IC1 of the calling module.
The circuit diagram corresponding to the communication module (115) of the present invention is the relevant part of the connector P2 in fig. 5, and this part is similar to the communication part of the call module slave (120), i.e. the relevant part of the connector P2 in fig. 4, which has been described above and is not repeated herein.
The circuit diagram corresponding to the control module (116) of the utility model is the relevant part of the single chip microcomputer U1 in fig. 5. The single chip microcomputer U1 is STC89LE52, comprises an on-chip EEPROM and can be used for storing configuration parameters. The singlechip U1 communicates with the 433M wireless communication module through an SPI bus and is used for receiving the equipment number sent by the calling module slave machine (120). The single chip microcomputer U1 is communicated with the Bluetooth communication module through serial ports TXD-BT and RXD-BT, is used for controlling whether the Bluetooth communication module plays sound or not, and can also be communicated with a mobile phone application program through the Bluetooth communication module, so that the purpose of configuring equipment by using the mobile phone application program is achieved. The singlechip U1 sends characters to be broadcasted to the Chinese voice synthesis chip IC1 through serial ports TXD and RXD simulated by software and the Chinese voice synthesis chip IC1, and the Chinese voice synthesis chip IC1 can broadcast the characters in a voice mode.
The chinese speech synthesis chip IC1 in fig. 5 can realize the function of converting text into speech, where text is input from serial ports TXD and RXD of the chinese speech synthesis chip IC1, speech is output from BP0, BP0 is connected to the signal input terminal of the power amplification chip U4, and the signal is amplified and played by the speaker LS 1.
Fig. 6 is a circuit diagram of a second implementation of the present invention. The biggest difference between fig. 5 and fig. 6 is in the power amplification module (114) and the speaker (112) portion. In fig. 5, the audio signal output by the bluetooth communication module and the audio signal output by the chinese speech synthesis chip IC1 of the calling module use the independent power amplification module (114) and speaker (112), respectively. In fig. 6, the audio signal output by the bluetooth communication module and the audio signal output by the chinese speech synthesis chip IC1 of the calling module use the same power amplification module (114) and the same speaker (112).
The chip IC2 in fig. 6 is a single-pole-three-throw analog switch chip with pin functions: pin 1, pin 2, and pin 3 are 3 signal inputs, and after selection, one of the 3 signals will be output through pin 7. Pin 7 is a signal output terminal, and its signal source is one of pin 1, pin 2, and pin 3. The pin 6 and the pin 5 are switch selection ends, and when the pin 5 is at a high level and the pin 6 is at a low level, the pin 7 is conducted with the pin 1; when the pin 5 is at a low level and the pin 6 is at a high level, the pin 7 is conducted with the pin 2; when the pin 5 is at high level and the pin 6 is at high level, the pin 7 and the pin 3 are conducted. Pins 8 and 4 are VCC and GND of chip IC2, respectively, and are connected to VDD and GND, respectively, of the system.
In addition, the singlechip U1 can also control the playing sequence of the audio signals output by the Bluetooth communication module and the audio signals output by the Chinese speech synthesis chip IC1 of the calling module, and the playing sequence is controlled, so that the situation of noisy sound can be avoided, and the sound played by the two functions can be clearly heard. When two audio signals are generated simultaneously, the priority of the calling function can be set to be higher than that of the Bluetooth sound box function, at the moment, the single chip microcomputer U1 sends a command of stopping playing audio to the Bluetooth communication module through serial ports TXD-BT and RXD-BT, and then the Chinese speech synthesis chip IC1 of the calling module plays audio independently. Similarly, the priority of the bluetooth speaker function may be set higher than the priority of the call function.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. An apparatus having a bluetooth speaker function and a call function, comprising: bluetooth speaker module (300), call module (200), its characterized in that: the Bluetooth sound box module (300) and the calling module (200) are combined, the Bluetooth sound box function and the calling function are simultaneously realized in the same set, and the Bluetooth sound box module (300) and the calling module (200) share the same input power supply.
2. The device with bluetooth speaker function and call function as claimed in claim 1, wherein: the Bluetooth sound box module (300) and the calling module (200) share the same power module (111).
3. The device with bluetooth speaker function and call function as claimed in claim 1, wherein: the Bluetooth sound box module (300) and the calling module (200) share the same group of power amplification modules (114), and one group of power amplification modules (114) at least comprises one power amplification module (114).
4. The device with bluetooth speaker function and call function as claimed in claim 1, wherein: the Bluetooth sound box module (300) and the calling module (200) share the same group of speakers (112), and one group of speakers (112) at least comprises one speaker (112).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021919810.4U CN212969989U (en) | 2020-09-07 | 2020-09-07 | Device with bluetooth speaker function and calling function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021919810.4U CN212969989U (en) | 2020-09-07 | 2020-09-07 | Device with bluetooth speaker function and calling function |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212969989U true CN212969989U (en) | 2021-04-13 |
Family
ID=75365893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021919810.4U Active CN212969989U (en) | 2020-09-07 | 2020-09-07 | Device with bluetooth speaker function and calling function |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212969989U (en) |
-
2020
- 2020-09-07 CN CN202021919810.4U patent/CN212969989U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112073876B (en) | Self-adaptive pickup all-in-one machine control system | |
CN205040035U (en) | Miniaturization has wireless scheduling platform | |
CN110503955B (en) | Intelligent voice control system | |
CN212969989U (en) | Device with bluetooth speaker function and calling function | |
CN200953644Y (en) | Bluetooth wireless stereo loudspeaker box | |
CN209659561U (en) | Support the speaker and system of voice communication | |
CN207427403U (en) | The sports type high definition call small earphone of touch-control bluetooth | |
WO2018018738A1 (en) | Multifunctional loudspeaker | |
CN203039879U (en) | Integrated sound equipment | |
CN212569486U (en) | Highly integrated massage armchair control system and massage armchair | |
CN205003507U (en) | Long -range formula pronunciation dibble seeding circuit that awakens up | |
CN202586955U (en) | Interphone | |
CN212231722U (en) | Integrated expander sound box system | |
CN201467445U (en) | External Bluetooth module interface device for multi-media sound system | |
CN206993381U (en) | A kind of Bluetooth audio device with NFC function | |
CN106454594A (en) | Earphone | |
CN206353844U (en) | A kind of Multifunctional wireless microphone main frame | |
CN211831131U (en) | Double power amplifier sound box | |
CN210639604U (en) | Bluetooth voice module with serial port control | |
CN219477978U (en) | Intelligent terminal with two FM receiving heads | |
CN211352433U (en) | Multi-channel audio mixer, multi-channel audio mixing device and multi-channel audio mixing system | |
CN212519399U (en) | Portable Bluetooth karaoke system | |
CN214045987U (en) | Bluetooth audio adapter and audio playback device | |
CN219876065U (en) | Microphone switching circuit and earphone | |
CN211209856U (en) | Voice charger sound box |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210425 Address after: 454150 No.106 Taihang family home, Shanyang District, Jiaozuo City, Henan Province Patentee after: Ren Qingmei Address before: 100089 no.644, tundian village, Xibeiwang Town, Haidian District, Beijing Patentee before: Cui Baojiang |