WO2019196018A1 - Bluetooth device capable of simultaneously connecting to multiple terminals - Google Patents
Bluetooth device capable of simultaneously connecting to multiple terminals Download PDFInfo
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- WO2019196018A1 WO2019196018A1 PCT/CN2018/082567 CN2018082567W WO2019196018A1 WO 2019196018 A1 WO2019196018 A1 WO 2019196018A1 CN 2018082567 W CN2018082567 W CN 2018082567W WO 2019196018 A1 WO2019196018 A1 WO 2019196018A1
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- bluetooth chip
- bluetooth
- antenna
- radio frequency
- terminal
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- 230000005236 sound signal Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/15—Setup of multiple wireless link connections
Definitions
- the present application relates to the field of Bluetooth technologies, and in particular, to a Bluetooth device that can connect multiple terminals at the same time.
- Bluetooth devices such as Bluetooth headsets, Bluetooth speakers
- terminals such as mobile phones and tablet computers
- They can only be matched one-to-one to achieve a pair.
- Bluetooth is in the audio field, and users are increasingly demanding a Bluetooth audio device to simultaneously connect multiple terminals.
- the application provides a Bluetooth device that can connect multiple terminals at the same time.
- an embodiment provides a Bluetooth device that can simultaneously connect multiple terminals, including an antenna, a Bluetooth chip, and an input/output module, wherein the Bluetooth chip includes a main Bluetooth chip and at least one slave Bluetooth chip; Receiving a radio frequency signal sent by the terminal, the radio frequency signal carries the terminal identifier, and sends the terminal identifier to the main Bluetooth chip; the main Bluetooth chip is used to receive the terminal identifier, and is used to find a target Bluetooth chip that is pre-matched with the terminal corresponding to the terminal identifier, and establish a data channel between the antenna and the target Bluetooth chip, wherein the data channel is used for transmitting a radio frequency signal, and the terminal corresponding to the terminal identifier carried by the radio frequency signal is pre-matched with the target Bluetooth chip, and the target Bluetooth chip is the main Bluetooth chip and/or Or from the Bluetooth chip; the main Bluetooth chip and the slave Bluetooth chip are used to receive the wireless RF signal sent from the antenna with the pre-matched terminal through the data channel, convert the wireless RF signal into an
- the main Bluetooth chip is further configured to: when the wireless chip does not receive the wireless radio frequency signal from the Bluetooth chip, the main Bluetooth chip switches the slave Bluetooth chip from the standby state to the sleep state.
- the master bluetooth chip is further configured to: when the slave Bluetooth chip is in a sleep state, and the master bluetooth chip receives the terminal identifier of the terminal that is pre-matched with the slave Bluetooth chip, the master bluetooth chip switches the slave Bluetooth chip from the sleep state. Go to standby.
- the first switching control module is further connected between the antenna and each of the Bluetooth chips for controlling the on and off of the data channel between the antenna and each of the Bluetooth chips.
- the second switching control module is further connected between the respective Bluetooth chip and the input/output module for controlling the on and off of the data channel between the respective Bluetooth chip and the input/output module.
- the first switching control module turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal in the previous radio frequency signal, and turns on the antenna and the The terminal identifier in the post-radio frequency signal corresponds to a data channel between the target Bluetooth chips pre-matched by the terminal.
- the Bluetooth device capable of simultaneously connecting a plurality of terminals includes a main Bluetooth chip and at least one slave Bluetooth chip, and each of the Bluetooth chips can receive a radio frequency signal transmitted from the antenna with the pre-matching terminal through the data channel.
- the utility model enables a Bluetooth device to connect multiple user terminals at the same time, which is more flexible in use and brings convenience to the user.
- the invention does not change the universal Bluetooth protocol to ensure the versatility of the Bluetooth connection, and the breakthrough protocol limitation realizes a plurality of functions. Further, by sharing the antenna and the input/output module, the number of slave Bluetooth chips can also be adjusted according to user needs to control the cost.
- FIG. 1 is a block diagram of an implementation principle of the present invention
- FIG. 2 is a block diagram of another embodiment of the present invention.
- the general idea of the invention is: integrating a plurality of single-channel Bluetooth chips, such as a main Bluetooth chip and a secondary Bluetooth chip, in a parallel manner, each Bluetooth chip working alone, and each Bluetooth chip is responsible for one terminal device. (such as: mobile phone, tablet) to connect and transmit, do not interfere with each other.
- Embodiment 1 is a diagrammatic representation of Embodiment 1:
- FIG. 1 which can simultaneously connect multiple terminals of the Bluetooth device 10 (eg, Bluetooth speaker, Bluetooth headset), including the antenna 1, the main Bluetooth chip 2, the slave Bluetooth chip 3, the slave Bluetooth chip 4, and the input and output module 5, the antenna 1 is used for receiving a radio frequency signal sent by an external terminal (such as a mobile phone or a tablet), the radio frequency signal carries a terminal identifier, and sends the terminal identifier to the main Bluetooth chip 2;
- the Bluetooth device 10 eg, Bluetooth speaker, Bluetooth headset
- the antenna 1 is used for receiving a radio frequency signal sent by an external terminal (such as a mobile phone or a tablet), the radio frequency signal carries a terminal identifier, and sends the terminal identifier to the main Bluetooth chip 2;
- the main Bluetooth chip 2 is configured to receive the terminal identifier, and is used to find a target Bluetooth chip that is pre-matched with the terminal corresponding to the terminal identifier, and establish a data channel between the antenna and the target Bluetooth chip, and each data channel is used for transmitting a radio frequency signal, the wireless
- the terminal corresponding to the terminal identifier carried by the radio frequency signal is pre-matched with the target Bluetooth chip, and the target Bluetooth chip is the main Bluetooth chip and/or the slave Bluetooth chip;
- the main Bluetooth chip and the slave Bluetooth chip are configured to receive the wireless radio frequency signal sent by the pre-matched terminal from the antenna through the data channel, convert the wireless radio frequency signal into an audio signal and output the signal to the input/output module;
- the input/output module is configured to receive the main Bluetooth chip and/or an audio signal output from the Bluetooth chip, and amplify and output the audio signal.
- the Bluetooth device 10 is connected to the mobile phone 6, the mobile phone 7, and the tablet 8.
- the mobile phone and the tablet are matched with the Bluetooth chips of the Bluetooth device 10 in advance, and it is assumed that the mobile phone 6 is matched with the main Bluetooth chip 2 in advance, and the mobile phone 7 In advance, the tablet 8 is matched with the slave Bluetooth chip 3, and the tablet 8 is matched with the slave Bluetooth chip 4 in advance.
- the radio frequency signal When the mobile phone 6 sends a radio frequency signal to the antenna 1 of the Bluetooth device 10, the radio frequency signal carries a terminal identifier representing the mobile phone 6.
- the antenna transmits the terminal identifier to the main Bluetooth chip 2, and the main Bluetooth chip searches for the terminal identifier according to the terminal identifier.
- the target Bluetooth chip corresponds to the main Bluetooth chip 2, and then the data channel between the antenna 1 and the main Bluetooth chip 2 is established, and data is established.
- the antenna 1 transmits the wireless radio frequency signal sent by the mobile phone 6 to the main bluetooth chip 2 through the data channel, and the main bluetooth chip 2 receives the radio frequency signal, converts the radio frequency signal into an audio signal and outputs the signal to the input/output module 5;
- the module 5 receives the audio signal output by the main Bluetooth chip 2, and performs amplification and playback on the audio signal.
- the mobile phone 6, the mobile phone 7, and the tablet 8 all transmit wireless radio frequency signals to the antenna 1 of the Bluetooth device 10, the three different radio frequency signals respectively carry the terminal identifiers representing the mobile phone 6, the mobile phone 7, and the tablet 8;
- the terminal identifier is sent to the main Bluetooth chip 2, and the main Bluetooth chip 2 respectively searches for the target Bluetooth chip matched with the terminal corresponding to the terminal identifier according to the terminal identifier.
- the main Bluetooth chip 2, the slave Bluetooth chip 3, and the slave Bluetooth chip 4 are the target Bluetooth.
- the chip respectively establishes the data channel of the antenna 1 to the main Bluetooth chip 2, establishes the data channel of the antenna 1 to the slave Bluetooth chip 3, establishes the data channel of the antenna 1 to the slave Bluetooth chip 4, and uses the data channel of the antenna 1 to the main Bluetooth chip 2
- the antenna 1 to the data channel of the slave Bluetooth chip 3 is used to transmit the mobile phone matched with the slave Bluetooth chip 3.
- radio frequency signals ie, radio frequency signals carrying the identification of mobile phone 7
- antenna 1 to the data channel of the slave Bluetooth chip 4 for transmission and transmission from Bluetooth
- the chip 4 matches the radio frequency signal sent by the tablet 8 (ie, carries the radio frequency signal identified by the tablet 8);
- the main bluetooth chip 2 receives the radio frequency signal sent by the mobile phone 6 from the antenna 1 through the data channel, and converts the radio frequency signal
- the audio signal is output to the input/output module 5;
- the wireless radio frequency signal sent by the mobile phone 7 is received from the antenna 1 through the data channel, and the wireless radio frequency signal is converted into an audio signal and output to the input/output module 5;
- the chip 3 receives the radio frequency signal emitted by the tablet 8 from the antenna 1 through the data channel, and converts the radio frequency signal into an audio signal and outputs the signal to the input/output module 5;
- the input and output module 5 receives the main Bluetooth chip 2, and the slave Bluetooth chip 3
- the audio signal output from the Bluetooth chip 4 is amplified
- the main Bluetooth chip is further configured to switch the slave Bluetooth chip from the standby state to the sleep state when the wireless radio frequency signal is not received from the Bluetooth chip within a preset time, to save power and extend Life time.
- the master bluetooth chip is further configured to: when the slave Bluetooth chip is in a sleep state, and the master bluetooth chip receives the terminal identifier of the terminal that is pre-matched with the slave Bluetooth chip, the slave Bluetooth chip is from the sleep state. Switch to standby.
- the first switching control module is connected between the antenna and each Bluetooth chip for controlling the on and off of the data channel between the antenna and each Bluetooth chip.
- the second switching control module is further connected between the input and output modules and each of the Bluetooth chips, and is configured to control the communication between the input and output modules and the respective Bluetooth chips.
- the first switching control module when the antenna receives the subsequent radio frequency signal, the first switching control module turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal in the previous radio frequency signal, And turning on the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal identifier in the post-radio frequency signal.
- the antenna when the antenna first transmits the radio frequency signal sent by the mobile phone 6 to the main Bluetooth chip 2, and the antenna receives the subsequent radio frequency signal sent by the mobile phone 7, the first switching control module turns off the antenna 1 and the main Bluetooth chip.
- the data channel between the two, and the data channel between the antenna 1 and the slave Bluetooth chip 2 is used to transmit the subsequent radio frequency signal sent from the Bluetooth chip to the mobile phone 7.
- Embodiment 2 is a diagrammatic representation of Embodiment 1:
- a Bluetooth device 10 capable of simultaneously connecting a plurality of terminals includes an antenna 1, a first switching control module 2, a main Bluetooth chip, N slave Bluetooth chips, a second switching control module 3, and an input/output module 4, and an antenna.
- the function and working principle of the main Bluetooth chip, the slave Bluetooth chip, and the input/output module are the same as those of the Bluetooth device shown in the first embodiment. The difference is that the number of the slave Bluetooth chips in this embodiment is different from that in the first embodiment, but The increased number of slave Bluetooth chips does not affect the working principle of the hardware.
- the first switching control module and the second switching control module are added in this embodiment. The first switching control module is connected between the antenna and each Bluetooth chip for control.
- the data channel between the antenna and each Bluetooth chip is turned on and off.
- the second switching control module is connected between the input and output modules and each of the Bluetooth chips, and is used for controlling the on and off of the data channel between the input and output modules and the respective Bluetooth chips.
- the application can adjust the number of the secondary Bluetooth chips according to the actual needs of the user, thereby achieving the purpose of cost saving.
- the first switching control module may not perform the shutdown control on the accessed radio frequency signal, and directly forward all the radio frequency chips to the corresponding Bluetooth chip of the signal.
- the first switching control module when the antenna Receiving the subsequent radio frequency signal, turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal identifier in the previous radio frequency signal, and turns on the antenna and the post-radio signal.
- the terminal identifier corresponds to a data channel between the target Bluetooth chips that the terminal pre-matches.
- the second switching control module may not directly control the audio signals output by the Bluetooth chip, and directly output all the audio signals to the input and output modules.
- the first switching control module can control the working state of the secondary Bluetooth chip as needed.
- a new slave Bluetooth chip is enabled through the first switching control module to implement connection of a larger number of terminals.
- the number M of terminals is less than or equal to the number of N+1 Bluetooth chips.
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Abstract
Provided is a Bluetooth device capable of simultaneously connecting to multiple terminals. The Bluetooth device comprises an antenna, a Bluetooth chip and an input/output module, wherein the Bluetooth chip comprises a master Bluetooth chip and at least one slave Bluetooth chip; the antenna is used for receiving a radio-frequency signal emitted from the terminal, the radio-frequency signal carrying a terminal identifier, and the antenna sends the terminal identifier to the master Bluetooth chip; the master Bluetooth chip is used for receiving the terminal identifier, and is used for searching for a target Bluetooth chip pre-matching a terminal corresponding to the terminal identifier, and establishing a data channel between the antenna and the target Bluetooth chip, the target Bluetooth chip being the master Bluetooth chip and/or the slave Bluetooth chip; and the master Bluetooth chip and the slave Bluetooth chip are used for receiving, from the antenna through the data channel, radio-frequency signals emitted from terminals pre-matching the chips, and converting the radio-frequency signals into audio signals and outputting same to the input/output module. The present invention can realize simultaneous connection with multiple user terminals, is more flexible in use and brings convenience to users.
Description
本申请涉及蓝牙技术领域，具体涉及一种可同时连接多个终端的蓝牙装置。The present application relates to the field of Bluetooth technologies, and in particular, to a Bluetooth device that can connect multiple terminals at the same time.
现有蓝牙设备（如蓝牙耳机、蓝牙音箱）由于是基于保密性的蓝牙协议设计开发的，其与终端（如手机、平板电脑）连接时，只能一对一的进行匹配连接，实现一对一的音频传输。随着蓝牙传输在音频行业的快速发展和互联网终端设备的普及，使得蓝牙在音频领域，用户对于一个蓝牙音频装置同时连接多个终端的需求越来越强。Existing Bluetooth devices (such as Bluetooth headsets, Bluetooth speakers) are designed and developed based on the privacy-based Bluetooth protocol. When connected to terminals (such as mobile phones and tablet computers), they can only be matched one-to-one to achieve a pair. An audio transmission. With the rapid development of Bluetooth transmission in the audio industry and the popularity of Internet terminal devices, Bluetooth is in the audio field, and users are increasingly demanding a Bluetooth audio device to simultaneously connect multiple terminals.
本申请提供一种可同时连接多个终端的蓝牙装置。The application provides a Bluetooth device that can connect multiple terminals at the same time.
根据第一方面，一种实施例中提供一种可同时连接多个终端的蓝牙装置，包括天线、蓝牙芯片，输入输出模块，其中蓝牙芯片包括主蓝牙芯片和至少一个从蓝牙芯片；天线用于接收终端发出的无线射频信号，无线射频信号携带终端标识，并将终端标识发送至主蓝牙芯片；主蓝牙芯片用于接收终端标识，并用于查找与终端标识对应终端预先匹配的目标蓝牙芯片，建立天线与目标蓝牙芯片之间的数据通道，数据通道用于传输无线射频信号，该无线射频信号携带的终端标识所对应的终端与目标蓝牙芯片预先匹配，所述目标蓝牙芯片为主蓝牙芯片和/或从蓝牙芯片；主蓝牙芯片和从蓝牙芯片用于通过数据通道从天线上接收与其预先匹配终端发出的无线射频信号，将无线射频信号转换为音频信号并输出到输入输出模块；输入输出模块用于接收主蓝牙芯片和/或从蓝牙芯片输出的音频信号，对音频信号进行放大输出。According to a first aspect, an embodiment provides a Bluetooth device that can simultaneously connect multiple terminals, including an antenna, a Bluetooth chip, and an input/output module, wherein the Bluetooth chip includes a main Bluetooth chip and at least one slave Bluetooth chip; Receiving a radio frequency signal sent by the terminal, the radio frequency signal carries the terminal identifier, and sends the terminal identifier to the main Bluetooth chip; the main Bluetooth chip is used to receive the terminal identifier, and is used to find a target Bluetooth chip that is pre-matched with the terminal corresponding to the terminal identifier, and establish a data channel between the antenna and the target Bluetooth chip, wherein the data channel is used for transmitting a radio frequency signal, and the terminal corresponding to the terminal identifier carried by the radio frequency signal is pre-matched with the target Bluetooth chip, and the target Bluetooth chip is the main Bluetooth chip and/or Or from the Bluetooth chip; the main Bluetooth chip and the slave Bluetooth chip are used to receive the wireless RF signal sent from the antenna with the pre-matched terminal through the data channel, convert the wireless RF signal into an audio signal and output it to the input/output module; Receiving a master Bluetooth chip and/or Bluetooth chip output from the audio signal, amplifies the audio signal output.
优选地，所述主蓝牙芯片还用于当从蓝牙芯片在预设的时间内未接收到无线射频信号，主蓝牙芯片将该从蓝牙芯片从待机状态切换到休眠状态。Preferably, the main Bluetooth chip is further configured to: when the wireless chip does not receive the wireless radio frequency signal from the Bluetooth chip, the main Bluetooth chip switches the slave Bluetooth chip from the standby state to the sleep state.
优选地，所述主蓝牙芯片还用于当从蓝牙芯片处于休眠状态，且主蓝牙芯片接收到与该从蓝牙芯片预先匹配终端的终端标识时，主蓝牙芯片将该从蓝牙芯片从休眠状态切换到待机状态。Preferably, the master bluetooth chip is further configured to: when the slave Bluetooth chip is in a sleep state, and the master bluetooth chip receives the terminal identifier of the terminal that is pre-matched with the slave Bluetooth chip, the master bluetooth chip switches the slave Bluetooth chip from the sleep state. Go to standby.
优选地，还包括第一切换控制模块，第一切换控制模块连接于天线与各个蓝牙芯片之间，用于控制天线与各个蓝牙芯片之间的数据通道的通断。Preferably, the first switching control module is further connected between the antenna and each of the Bluetooth chips for controlling the on and off of the data channel between the antenna and each of the Bluetooth chips.
优选地，还包括第二切换控制模块，第二切换控制模块连接于各个蓝牙芯片与输入输出模块之间，用于控制各个蓝牙芯片与输入输出模块之间数据通道的通断。Preferably, the second switching control module is further connected between the respective Bluetooth chip and the input/output module for controlling the on and off of the data channel between the respective Bluetooth chip and the input/output module.
优选地，当天线接收到在后的无线射频信号，第一切换控制模块关闭天线与在先无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道，并接通天线与在后无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道。Preferably, when the antenna receives the subsequent radio frequency signal, the first switching control module turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal in the previous radio frequency signal, and turns on the antenna and the The terminal identifier in the post-radio frequency signal corresponds to a data channel between the target Bluetooth chips pre-matched by the terminal.
依据上述实施例的可同时连接多个终端的蓝牙装置，由于包括主蓝牙芯片和至少一个从蓝牙芯片，每一颗蓝牙芯片可通过数据通道从天线上接收与其预先匹配终端发出的无线射频信号，使得一个蓝牙装置可同时连接多个用户终端，使用上更加灵活，给用户带来便利。本发明没有改变通用蓝牙协议既保证蓝牙连接的通用性，又突破的协议限制实现了一连多的功能。进一步，通过共用天线和输入输出模块，还可以根据用户需要对从蓝牙芯片的数量进行调整，以控制成本。According to the above embodiment, the Bluetooth device capable of simultaneously connecting a plurality of terminals includes a main Bluetooth chip and at least one slave Bluetooth chip, and each of the Bluetooth chips can receive a radio frequency signal transmitted from the antenna with the pre-matching terminal through the data channel. The utility model enables a Bluetooth device to connect multiple user terminals at the same time, which is more flexible in use and brings convenience to the user. The invention does not change the universal Bluetooth protocol to ensure the versatility of the Bluetooth connection, and the breakthrough protocol limitation realizes a plurality of functions. Further, by sharing the antenna and the input/output module, the number of slave Bluetooth chips can also be adjusted according to user needs to control the cost.
图1为本发明一实施原理框图；1 is a block diagram of an implementation principle of the present invention;
图2为本发明另一实施原理框图。2 is a block diagram of another embodiment of the present invention.
具体实施方式detailed description
下面通过具体实施方式结合附图对本发明作进一步详细说明。其中不同实施方式中类似元件采用了相关联的类似的元件标号。在以下的实施方式中，很多细节描述是为了使得本申请能被更好的理解。然而，本领域技术人员可以毫不费力的认识到，其中部分特征在不同情况下是可以省略的，或者可以由其他元件、材料、方法所替代。在某些情况下，本申请相关的一些操作并没有在说明书中显示或者描述，这是为了避免本申请的核心部分被过多的描述所淹没，而对于本领域技术人员而言，详细描述这些相关操作并不是必要的，他们根据说明书中的描述以及本领域的一般技术知识即可完整了解相关操作。The present invention will be further described in detail below with reference to the accompanying drawings. Similar elements in different embodiments employ associated similar component numbers. In the following embodiments, many of the details are described in order to provide a better understanding of the application. However, those skilled in the art can easily realize that some of the features may be omitted in different situations, or may be replaced by other components, materials, and methods. In some cases, some operations related to the present application have not been shown or described in the specification, in order to avoid that the core portion of the present application is overwhelmed by excessive description, and those skilled in the art will describe these in detail. Related operations are not necessary, they can fully understand the relevant operations according to the description in the manual and the general technical knowledge in the field.
本文中为部件所编序号本身，例如“第一”、“第二”等，仅用于区分所描述的对象，不具有任何顺序或技术含义。而本申请所说“连接”、“联接”，如无特别说明，均包括直接和间接连接（联接）。The serial numbers themselves for the components herein, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. As used herein, "connected" or "coupled", unless otherwise specified, includes both direct and indirect connections (joining).
本发明的总体思路是：采用并联的方式，将主蓝牙芯片和次蓝牙芯片等多颗单通道蓝牙芯片集成在一起，每一蓝牙颗芯片单独工作，每一颗蓝牙芯片负责与一台终端设备（如：手机、平板）进行连接和传输，互不干扰。The general idea of the invention is: integrating a plurality of single-channel Bluetooth chips, such as a main Bluetooth chip and a secondary Bluetooth chip, in a parallel manner, each Bluetooth chip working alone, and each Bluetooth chip is responsible for one terminal device. (such as: mobile phone, tablet) to connect and transmit, do not interfere with each other.
实施例一：Embodiment 1:
请参考图1，可同时连接多个终端的蓝牙装置10（如：蓝牙音箱、蓝牙耳机），包括天线1、主蓝牙芯片2，从蓝牙芯片3、从蓝牙芯片4以及输入输出模块5，天线1用于接收外部终端（如：手机、平板）发出的无线射频信号，无线射频信号中携带终端标识，并将终端标识发送至主蓝牙芯片2；Please refer to FIG. 1 , which can simultaneously connect multiple terminals of the Bluetooth device 10 (eg, Bluetooth speaker, Bluetooth headset), including the antenna 1, the main Bluetooth chip 2, the slave Bluetooth chip 3, the slave Bluetooth chip 4, and the input and output module 5, the antenna 1 is used for receiving a radio frequency signal sent by an external terminal (such as a mobile phone or a tablet), the radio frequency signal carries a terminal identifier, and sends the terminal identifier to the main Bluetooth chip 2;
主蓝牙芯片2用于接收终端标识，并用于查找与终端标识对应终端预先匹配的目标蓝牙芯片，建立天线与目标蓝牙芯片之间的数据通道，每一条数据通道用于传输无线射频信号，该无线射频信号携带的终端标识所对应的终端与目标蓝牙芯片预先匹配，所述目标蓝牙芯片为主蓝牙芯片和/或从蓝牙芯片；The main Bluetooth chip 2 is configured to receive the terminal identifier, and is used to find a target Bluetooth chip that is pre-matched with the terminal corresponding to the terminal identifier, and establish a data channel between the antenna and the target Bluetooth chip, and each data channel is used for transmitting a radio frequency signal, the wireless The terminal corresponding to the terminal identifier carried by the radio frequency signal is pre-matched with the target Bluetooth chip, and the target Bluetooth chip is the main Bluetooth chip and/or the slave Bluetooth chip;
主蓝牙芯片和从蓝牙芯片用于通过数据通道从天线上接收与其预先匹配终端发出的无线射频信号，将无线射频信号转换为音频信号并输出到输入输出模块；The main Bluetooth chip and the slave Bluetooth chip are configured to receive the wireless radio frequency signal sent by the pre-matched terminal from the antenna through the data channel, convert the wireless radio frequency signal into an audio signal and output the signal to the input/output module;
输入输出模块用于接收主蓝牙芯片和/或从蓝牙芯片输出的音频信号，对音频信号进行放大输出。The input/output module is configured to receive the main Bluetooth chip and/or an audio signal output from the Bluetooth chip, and amplify and output the audio signal.
工作原理说明：Working principle description:
如图的蓝牙装置10要连接手机6、手机7、平板8，在连接之前预先要将手机和平板与蓝牙装置10的各个蓝牙芯片进行匹配，假设手机6预先与主蓝牙芯片2匹配，手机7预先与从蓝牙芯片3匹配，平板8预先与从蓝牙芯片4匹配。As shown in the figure, the Bluetooth device 10 is connected to the mobile phone 6, the mobile phone 7, and the tablet 8. Before the connection, the mobile phone and the tablet are matched with the Bluetooth chips of the Bluetooth device 10 in advance, and it is assumed that the mobile phone 6 is matched with the main Bluetooth chip 2 in advance, and the mobile phone 7 In advance, the tablet 8 is matched with the slave Bluetooth chip 3, and the tablet 8 is matched with the slave Bluetooth chip 4 in advance.
当手机6向蓝牙装置10的天线1发送无线射频信号，这个无线射频信号会携带代表手机6的终端标识，天线将这个终端标识发送给主蓝牙芯片2，主蓝牙芯片根据终端标识查找与终端标识对应终端匹配的目标蓝牙芯片，因与手机6匹配的是主蓝牙芯片2，因此目标蓝牙芯片指的是主蓝牙芯片2，这时建立天线1与主蓝牙芯片2之间的数据通道，建立数据通道后，天线1通过数据通道将手机6发送的无线射频信号发送给主蓝牙芯片2，主蓝牙芯片2接收无线射频信号，将无线射频信号转换为音频信号并输出到输入输出模块5；输入输出模块5接收主蓝牙芯片2输出的音频信号，对音频信号进行放大播放。When the mobile phone 6 sends a radio frequency signal to the antenna 1 of the Bluetooth device 10, the radio frequency signal carries a terminal identifier representing the mobile phone 6. The antenna transmits the terminal identifier to the main Bluetooth chip 2, and the main Bluetooth chip searches for the terminal identifier according to the terminal identifier. Corresponding to the matching target Bluetooth chip of the terminal, since the main Bluetooth chip 2 is matched with the mobile phone 6, the target Bluetooth chip refers to the main Bluetooth chip 2, and then the data channel between the antenna 1 and the main Bluetooth chip 2 is established, and data is established. After the channel, the antenna 1 transmits the wireless radio frequency signal sent by the mobile phone 6 to the main bluetooth chip 2 through the data channel, and the main bluetooth chip 2 receives the radio frequency signal, converts the radio frequency signal into an audio signal and outputs the signal to the input/output module 5; The module 5 receives the audio signal output by the main Bluetooth chip 2, and performs amplification and playback on the audio signal.
当手机6、手机7、平板8都有向蓝牙装置10的天线1发送无线射频信号时，三个不同的无线射频信号中分别携带代表手机6、手机7、平板8的终端标识；天线将这些终端标识发送给主蓝牙芯片2，主蓝牙芯片2根据上述终端标识分别查找与终端标识对应终端匹配的目标蓝牙芯片，此时主蓝牙芯片2，从蓝牙芯片3、从蓝牙芯片4均是目标蓝牙芯片，分别建立天线1到主蓝牙芯片2的数据通道，建立天线1到从蓝牙芯片3的数据通道，建立天线1到从蓝牙芯片4的数据通道，天线1到主蓝牙芯片2的数据通道用来传输与主蓝牙芯片2匹配的手机6发来的无线射频信号（即携带手机6标识的无线射频信号），天线1到从蓝牙芯片3的数据通道用来传输与从蓝牙芯片3匹配的手机7发来的无线射频信号（即携带手机7标识的无线射频信号），天线1到从蓝牙芯片4的数据通道用来传输与从蓝牙芯片4匹配的平板8发来的无线射频信号（即携带平板8标识的无线射频信号）； 主蓝牙芯片2通过数据通道从天线1上接收手机6发出的无线射频信号，并将无线射频信号转换为音频信号并输出到输入输出模块5；从蓝牙芯片2通过数据通道从天线1上接收手机7发出的无线射频信号，并将无线射频信号转换为音频信号并输出到输入输出模块5；从蓝牙芯片3通过数据通道从天线1上接收平板8发出的无线射频信号，并将无线射频信号转换为音频信号并输出到输入输出模块5；输入输出模块5接收主蓝牙芯片2，从蓝牙芯片3、从蓝牙芯片4输出的音频信号，对音频信号进行放大输出到扬声器。When the mobile phone 6, the mobile phone 7, and the tablet 8 all transmit wireless radio frequency signals to the antenna 1 of the Bluetooth device 10, the three different radio frequency signals respectively carry the terminal identifiers representing the mobile phone 6, the mobile phone 7, and the tablet 8; The terminal identifier is sent to the main Bluetooth chip 2, and the main Bluetooth chip 2 respectively searches for the target Bluetooth chip matched with the terminal corresponding to the terminal identifier according to the terminal identifier. At this time, the main Bluetooth chip 2, the slave Bluetooth chip 3, and the slave Bluetooth chip 4 are the target Bluetooth. The chip respectively establishes the data channel of the antenna 1 to the main Bluetooth chip 2, establishes the data channel of the antenna 1 to the slave Bluetooth chip 3, establishes the data channel of the antenna 1 to the slave Bluetooth chip 4, and uses the data channel of the antenna 1 to the main Bluetooth chip 2 To transmit the radio frequency signal sent by the mobile phone 6 matching the main Bluetooth chip 2 (ie, the radio frequency signal carried by the mobile phone 6), the antenna 1 to the data channel of the slave Bluetooth chip 3 is used to transmit the mobile phone matched with the slave Bluetooth chip 3. 7 radio frequency signals (ie, radio frequency signals carrying the identification of mobile phone 7), antenna 1 to the data channel of the slave Bluetooth chip 4 for transmission and transmission from Bluetooth The chip 4 matches the radio frequency signal sent by the tablet 8 (ie, carries the radio frequency signal identified by the tablet 8); the main bluetooth chip 2 receives the radio frequency signal sent by the mobile phone 6 from the antenna 1 through the data channel, and converts the radio frequency signal The audio signal is output to the input/output module 5; the wireless radio frequency signal sent by the mobile phone 7 is received from the antenna 1 through the data channel, and the wireless radio frequency signal is converted into an audio signal and output to the input/output module 5; The chip 3 receives the radio frequency signal emitted by the tablet 8 from the antenna 1 through the data channel, and converts the radio frequency signal into an audio signal and outputs the signal to the input/output module 5; the input and output module 5 receives the main Bluetooth chip 2, and the slave Bluetooth chip 3 The audio signal output from the Bluetooth chip 4 is amplified and output to the speaker.
作为本实施例的更优选方案，主蓝牙芯片还用于当从蓝牙芯片在预设的时间内未接收到无线射频信号，将该从蓝牙芯片从待机状态切换到休眠状态，以节省电量，延长续航时间。As a more preferred solution of the embodiment, the main Bluetooth chip is further configured to switch the slave Bluetooth chip from the standby state to the sleep state when the wireless radio frequency signal is not received from the Bluetooth chip within a preset time, to save power and extend Life time.
作为本实施例的更优选方案，主蓝牙芯片还用于当从蓝牙芯片处于休眠状态，且主蓝牙芯片接收到与该从蓝牙芯片预先匹配终端的终端标识时，将该从蓝牙芯片从休眠状态切换到待机状态。As a more preferred solution of the embodiment, the master bluetooth chip is further configured to: when the slave Bluetooth chip is in a sleep state, and the master bluetooth chip receives the terminal identifier of the terminal that is pre-matched with the slave Bluetooth chip, the slave Bluetooth chip is from the sleep state. Switch to standby.
作为本实施例的更优选方案，还包括第一切换控制模块，第一切换控制模块连接于天线与各个蓝牙芯片之间，用于控制天线与各个蓝牙芯片之间的数据通道的通断。As a more preferred solution of the embodiment, the first switching control module is connected between the antenna and each Bluetooth chip for controlling the on and off of the data channel between the antenna and each Bluetooth chip.
作为本实施例的更优选方案，还包括第二切换控制模块，第二切换控制模块连接于输入输出模块与各个蓝牙芯片之间，用于控制输入输出模块与各个蓝牙芯片之间数据通道的通断。As a more preferred solution of the embodiment, the second switching control module is further connected between the input and output modules and each of the Bluetooth chips, and is configured to control the communication between the input and output modules and the respective Bluetooth chips. Broken.
作为本实施例的更优选方案，当天线接收到在后的无线射频信号，第一切换控制模块关闭天线与在先无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道，并接通天线与在后无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道。例如：当天线在先向主蓝牙芯片2传输手机6发来的无线射频信号时，天线又接收到手机7发来的在后无线射频信号，则第一切换控制模块关闭天线1与主蓝牙芯片2之间的数据通道，并接通天线1与从蓝牙芯片2之间的数据通道，用来向从蓝牙芯片传输手机7发来的在后无线射频信号。As a more preferred solution of the embodiment, when the antenna receives the subsequent radio frequency signal, the first switching control module turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal in the previous radio frequency signal, And turning on the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal identifier in the post-radio frequency signal. For example, when the antenna first transmits the radio frequency signal sent by the mobile phone 6 to the main Bluetooth chip 2, and the antenna receives the subsequent radio frequency signal sent by the mobile phone 7, the first switching control module turns off the antenna 1 and the main Bluetooth chip. The data channel between the two, and the data channel between the antenna 1 and the slave Bluetooth chip 2 is used to transmit the subsequent radio frequency signal sent from the Bluetooth chip to the mobile phone 7.
实施例二：Embodiment 2:
请参考图2，可同时连接多个终端的蓝牙装置10，包括天线1、第一切换控制模块2、主蓝牙芯片，N个从蓝牙芯片，第二切换控制模块3以及输入输出模块4，天线、主蓝牙芯片、从蓝牙芯片、输入输出模块的作用和工作原理与实施例一所示的蓝牙装置相同，不同的地方在于，本实施例的从蓝牙芯片数量与实施例一的数量不同，但增加的从蓝牙芯片数量不会影响硬件的工作原理，另外本实施例增加了第一切换控制模块和第二切换控制模块，第一切换控制模块连接于天线与各个蓝牙芯片之间，用于控制天线与各个蓝牙芯片之间的数据通道的通断。第二切换控制模块连接于输入输出模块与各个蓝牙芯片之间，用于控制输入输出模块与各个蓝牙芯片之间数据通道的通断。实施例二说明，本申请可以根据用户的实际需要，对次蓝牙芯片的数量进行调整，达到节省成本的目的。Referring to FIG. 2, a Bluetooth device 10 capable of simultaneously connecting a plurality of terminals includes an antenna 1, a first switching control module 2, a main Bluetooth chip, N slave Bluetooth chips, a second switching control module 3, and an input/output module 4, and an antenna. The function and working principle of the main Bluetooth chip, the slave Bluetooth chip, and the input/output module are the same as those of the Bluetooth device shown in the first embodiment. The difference is that the number of the slave Bluetooth chips in this embodiment is different from that in the first embodiment, but The increased number of slave Bluetooth chips does not affect the working principle of the hardware. In addition, the first switching control module and the second switching control module are added in this embodiment. The first switching control module is connected between the antenna and each Bluetooth chip for control. The data channel between the antenna and each Bluetooth chip is turned on and off. The second switching control module is connected between the input and output modules and each of the Bluetooth chips, and is used for controlling the on and off of the data channel between the input and output modules and the respective Bluetooth chips. In the second embodiment, the application can adjust the number of the secondary Bluetooth chips according to the actual needs of the user, thereby achieving the purpose of cost saving.
在其中一实施方式中，第一切换控制模块可不对接入的无线射频信号进行关断控制，直接将所有的无线射频芯片转发至信号对应的蓝牙芯片中，在另一实施方式中，当天线接收到在后的无线射频信号，第一切换控制模块关闭天线与在先无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道，并接通天线与在后无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道。In one embodiment, the first switching control module may not perform the shutdown control on the accessed radio frequency signal, and directly forward all the radio frequency chips to the corresponding Bluetooth chip of the signal. In another embodiment, when the antenna Receiving the subsequent radio frequency signal, the first switching control module turns off the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal identifier in the previous radio frequency signal, and turns on the antenna and the post-radio signal. The terminal identifier corresponds to a data channel between the target Bluetooth chips that the terminal pre-matches.
同样，在其中一实施方式中，第二切换控制模块可不对蓝牙芯片输出的音频信号进行关断控制，直接将所有的音频信号输出到输入输出模块。Similarly, in one embodiment, the second switching control module may not directly control the audio signals output by the Bluetooth chip, and directly output all the audio signals to the input and output modules.
另外，当终端设备数量改变时，第一切换控制模块可根据需要对次蓝牙芯片的工作状态进行控制。如终端设备增多时，通过第一切换控制模块启用新的从蓝牙芯片，实现连接更多数量终端。In addition, when the number of terminal devices changes, the first switching control module can control the working state of the secondary Bluetooth chip as needed. When the number of terminal devices increases, a new slave Bluetooth chip is enabled through the first switching control module to implement connection of a larger number of terminals.
需要说明的是在使用图二所示实施例的蓝牙装置，终端的数量M要小于或等于N+1个蓝牙芯片的数量。It should be noted that, in the Bluetooth device of the embodiment shown in FIG. 2, the number M of terminals is less than or equal to the number of N+1 Bluetooth chips.
以上应用了具体个例对本发明进行阐述，只是用于帮助理解本发明，并不用以限制本发明。对于本发明所属技术领域的技术人员，依据本发明的思想，还可以做出若干简单推演、变形或替换。The invention has been described above with reference to specific examples, which are merely intended to aid the understanding of the invention and are not intended to limit the invention. For the person skilled in the art to which the invention pertains, several simple derivations, variations or substitutions can be made in accordance with the inventive concept.
Claims (6)
- 一种可同时连接多个终端的蓝牙装置，其特征在于，包括天线、蓝牙芯片，输入输出模块，其中蓝牙芯片包括主蓝牙芯片和至少一个从蓝牙芯片；A Bluetooth device capable of simultaneously connecting a plurality of terminals, comprising: an antenna, a Bluetooth chip, an input/output module, wherein the Bluetooth chip comprises a main Bluetooth chip and at least one slave Bluetooth chip;天线用于接收终端发出的无线射频信号，无线射频信号携带终端标识，并将终端标识发送至主蓝牙芯片；The antenna is configured to receive a radio frequency signal sent by the terminal, the radio frequency signal carries the terminal identifier, and sends the terminal identifier to the main Bluetooth chip;主蓝牙芯片用于接收终端标识，并用于查找与终端标识对应终端预先匹配的目标蓝牙芯片，建立天线与目标蓝牙芯片之间的数据通道，数据通道用于传输无线射频信号，该无线射频信号携带的终端标识所对应的终端与目标蓝牙芯片预先匹配，所述目标蓝牙芯片为主蓝牙芯片和/或从蓝牙芯片；The main Bluetooth chip is configured to receive the terminal identifier, and is used to find a target Bluetooth chip that is pre-matched with the terminal corresponding to the terminal identifier, and establish a data channel between the antenna and the target Bluetooth chip, where the data channel is used to transmit a radio frequency signal, and the radio frequency signal carries The terminal corresponding to the terminal identifier is pre-matched with the target Bluetooth chip, and the target Bluetooth chip is the main Bluetooth chip and/or the slave Bluetooth chip;主蓝牙芯片和从蓝牙芯片用于通过数据通道从天线上接收与其预先匹配终端发出的无线射频信号，将无线射频信号转换为音频信号并输出到输入输出模块；The main Bluetooth chip and the slave Bluetooth chip are configured to receive the wireless radio frequency signal sent by the pre-matched terminal from the antenna through the data channel, convert the wireless radio frequency signal into an audio signal and output the signal to the input/output module;输入输出模块用于接收主蓝牙芯片和/或从蓝牙芯片输出的音频信号，对音频信号进行放大输出。The input/output module is configured to receive the main Bluetooth chip and/or an audio signal output from the Bluetooth chip, and amplify and output the audio signal.
- 如权利要求1所述的可同时连接多个终端的蓝牙装置，其特征在于，所述主蓝牙芯片还用于当从蓝牙芯片在预设的时间内未接收到无线射频信号，主蓝牙芯片将该从蓝牙芯片从待机状态切换到休眠状态。The Bluetooth device capable of simultaneously connecting a plurality of terminals according to claim 1, wherein the main Bluetooth chip is further configured to: when the wireless RF signal is not received from the Bluetooth chip within a preset time, the main Bluetooth chip will The slave Bluetooth chip is switched from the standby state to the sleep state.
- 如权利要求1所述的可同时连接多个终端的蓝牙装置，其特征在于，所述主蓝牙芯片还用于当从蓝牙芯片处于休眠状态，且主蓝牙芯片接收到与该从蓝牙芯片预先匹配终端的终端标识时，主蓝牙芯片将该从蓝牙芯片从休眠状态切换到待机状态。The Bluetooth device capable of simultaneously connecting a plurality of terminals according to claim 1, wherein the main Bluetooth chip is further configured to: when the slave Bluetooth chip is in a sleep state, and the master bluetooth chip receives the pre-match with the slave Bluetooth chip. When the terminal is identified by the terminal, the master Bluetooth chip switches the slave Bluetooth chip from the sleep state to the standby state.
- 如权利要求1所述的可同时连接多个终端的蓝牙装置，其特征在于，还包括第一切换控制模块，第一切换控制模块连接于天线与各个蓝牙芯片之间，用于控制天线与各个蓝牙芯片之间的数据通道的通断。The Bluetooth device capable of simultaneously connecting a plurality of terminals according to claim 1, further comprising a first switching control module, wherein the first switching control module is connected between the antenna and each of the Bluetooth chips, and is configured to control the antenna and each The on and off of the data channel between the Bluetooth chips.
- 如权利要求1所述的可同时连接多个终端的蓝牙装置，其特征在于，还包括第二切换控制模块，第二切换控制模块连接于各个蓝牙芯片与输入输出模块之间，用于控制各个蓝牙芯片与输入输出模块之间数据通道的通断。The Bluetooth device capable of simultaneously connecting a plurality of terminals according to claim 1, further comprising a second switching control module, wherein the second switching control module is connected between each Bluetooth chip and the input/output module for controlling each The data channel is switched on and off between the Bluetooth chip and the input and output modules.
- 如权利要求4所述的可同时连接多个终端的蓝牙装置，其特征在于，当天线接收到在后的无线射频信号，第一切换控制模块关闭天线与在先无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道，并接通天线与在后无线射频信号中终端标识对应终端预先匹配的目标蓝牙芯片之间的数据通道。The Bluetooth device capable of simultaneously connecting a plurality of terminals according to claim 4, wherein when the antenna receives the subsequent radio frequency signal, the first switching control module turns off the terminal corresponding to the terminal identifier in the antenna and the previous radio frequency signal. Pre-matching the data channel between the target Bluetooth chips, and turning on the data channel between the antenna and the target Bluetooth chip pre-matched by the terminal corresponding to the terminal in the post-radio frequency signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/082567 WO2019196018A1 (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of simultaneously connecting to multiple terminals |
| CN201880007590.7A CN110199535B (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of connecting multiple terminals simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/082567 WO2019196018A1 (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of simultaneously connecting to multiple terminals |
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| WO2019196018A1 true WO2019196018A1 (en) | 2019-10-17 |
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| PCT/CN2018/082567 WO2019196018A1 (en) | 2018-04-10 | 2018-04-10 | Bluetooth device capable of simultaneously connecting to multiple terminals |
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| CN (1) | CN110199535B (en) |
| WO (1) | WO2019196018A1 (en) |
Cited By (7)
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| CN110996305A (en) * | 2019-11-12 | 2020-04-10 | 宇龙计算机通信科技(深圳)有限公司 | Method, device, electronic equipment and medium for connecting Bluetooth equipment |
| CN111436038A (en) * | 2019-10-23 | 2020-07-21 | 珠海市杰理科技股份有限公司 | Bluetooth connection method and system, Bluetooth master and slave device connection method and Bluetooth master and slave device |
| CN112601204A (en) * | 2020-12-11 | 2021-04-02 | 宜通世纪物联网研究院(广州)有限公司 | Data acquisition gateway of multichannel Bluetooth equipment and implementation method thereof |
| CN113411796A (en) * | 2021-06-30 | 2021-09-17 | 雅迪科技集团有限公司 | Audio transmission system, method and storage medium for group-by-group Bluetooth device |
| CN113543101A (en) * | 2021-07-09 | 2021-10-22 | Oppo广东移动通信有限公司 | Audio output method, Bluetooth device, mobile terminal and storage medium |
| WO2023045800A1 (en) * | 2021-09-24 | 2023-03-30 | Oppo广东移动通信有限公司 | Call control method and apparatus, electronic device, and computer-readable storage medium |
| CN116761110A (en) * | 2023-08-18 | 2023-09-15 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
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| CN112804667A (en) * | 2019-11-13 | 2021-05-14 | 络达科技股份有限公司 | Wireless Bluetooth audio output system and control method thereof |
| CN110995324B (en) * | 2019-12-16 | 2021-09-28 | Tcl移动通信科技（宁波）有限公司 | Bluetooth communication method, device, storage medium and terminal equipment |
| CN112866969B (en) * | 2021-03-09 | 2024-05-31 | 浙江恒邦电气科技有限公司 | Bluetooth connection method and connection system for multi-conversion control of tower crane |
| CN115776659A (en) * | 2021-09-08 | 2023-03-10 | Oppo广东移动通信有限公司 | Audio playing control method and device, audio output equipment and storage medium |
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| CN111436038A (en) * | 2019-10-23 | 2020-07-21 | 珠海市杰理科技股份有限公司 | Bluetooth connection method and system, Bluetooth master and slave device connection method and Bluetooth master and slave device |
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| CN113411796A (en) * | 2021-06-30 | 2021-09-17 | 雅迪科技集团有限公司 | Audio transmission system, method and storage medium for group-by-group Bluetooth device |
| CN113543101A (en) * | 2021-07-09 | 2021-10-22 | Oppo广东移动通信有限公司 | Audio output method, Bluetooth device, mobile terminal and storage medium |
| WO2023045800A1 (en) * | 2021-09-24 | 2023-03-30 | Oppo广东移动通信有限公司 | Call control method and apparatus, electronic device, and computer-readable storage medium |
| CN116761110A (en) * | 2023-08-18 | 2023-09-15 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
| CN116761110B (en) * | 2023-08-18 | 2023-11-14 | 江西斐耳科技有限公司 | Multi-point bluetooth headset control method, system, storage medium and equipment |
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| Publication number | Publication date |
|---|---|
| CN110199535A (en) | 2019-09-03 |
| CN110199535B (en) | 2021-12-28 |
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