Wireless device and method of operating a wireless communication system

Abstract

A wireless device comprising an earphone assembly and a charging case. The charging case serves as a charging device for the earphone assembly. The charging case also records connection information of multiple external devices that have established a Bluetooth connection with the charging case. The earphone assembly receives connection commands from the charging case to connect audio to one of the multiple external devices. The charging case also serves as a communication medium between the multiple external devices.

Description

Technical Field

[0001] This invention relates to a wireless communication system, and more particularly to a wireless device that can serve as a communication medium between different platforms and switch audio connections between different platforms, and a method for operating a wireless communication system including the wireless device. Background Technology

[0002] Currently, because some Bluetooth headsets are configured to connect to multiple electronic devices simultaneously, these headsets are capable of receiving audio data from different electronic devices at the same time, resulting in interference between sounds from different sources.

[0003] Furthermore, in configurations where Bluetooth headsets only allow Bluetooth connections to a single device at a time, when a user wants to connect the Bluetooth headset to another device, they must first disconnect the Bluetooth headset from the single device, and then manually reconnect the Bluetooth headset to the other device to complete the connection switching process. This is cumbersome and reduces the user experience.

[0004] In view of this, the present invention provides a wireless device that can automatically switch audio connections between Bluetooth headsets and different paired devices with the assistance of a charging case, and a method for operating a wireless communication system that uses a wireless headset module as a communication medium between different platforms. Summary of the Invention

[0005] The present invention provides a wireless device comprising a charging case and an earphone assembly. The wireless device switches the audio connection between the earphone assembly and an external device via the charging case to eliminate sound interference and improve the user experience.

[0006] The present invention also provides a wireless communication system and its operation method that can use an earphone charging case as a communication medium between different platforms, and can automatically switch platforms in different WiFi domains.

[0007] The present invention also provides a wireless communication system and its operation method that can maintain Bluetooth and WiFi connections in the background environment of external devices.

[0008] This invention provides a wireless device comprising a charging case and earphones. The charging case is used to record connection information of multiple external devices that have established a Bluetooth connection with the charging case, and to send connection request commands. The earphones are used to be housed in the charging case for charging, and to determine the audio playback target based on the connection request command from the charging case, so as to establish an audio connection with one of the multiple external devices.

[0009] The present invention also provides a method for operating a wireless communication system. The wireless communication system includes a first device, a second device, and an earphone charging case. The method includes the following steps: establishing a Bluetooth connection between the earphone charging case and both the first device and the second device; and, through the Bluetooth connection, providing the second device with either the WiFi network domain information to which the first device is connected and a first network address of the first device, or providing the first device with the WiFi network domain information to which the second device is connected and a second network address of the second device, thereby enabling the first device and the second device to establish a WiFi connection.

[0010] The present invention also provides a method for operating a wireless communication system. The wireless communication system includes an earphone, a charging case, a first device, and a second device. The method includes the following steps: establishing a first Bluetooth connection between the charging case and the first device; notifying the earphone of an audio playback target via the charging case, so that the first device and the earphone establish a first audio connection; and when the charging case establishes a second Bluetooth connection with the second device, providing the WiFi network domain information connected to the first device and the first network address of the first device to the second device via the first Bluetooth connection and the second Bluetooth connection, or providing the WiFi network domain information connected to the second device and the second network address of the second device to the first device, so that the first device and the second device establish a WiFi connection.

[0011] To make the above and other objects, features and advantages of the present invention more apparent, a detailed description will be provided below with reference to the accompanying drawings. Furthermore, in the description of the present invention, the same components are denoted by the same reference numerals, which will be stated herein as well. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the operation of the wireless communication system according to the first embodiment of the present invention;

[0013] Figure 2 This is a flowchart of the operation method of the wireless communication system according to the first embodiment of the present invention;

[0014] Figure 3 This is another flowchart of the operation method of the wireless communication system according to the first embodiment of the present invention;

[0015] Figure 4 This is a schematic diagram of the operation of the wireless communication system according to the second embodiment of the present invention;

[0016] Figure 5 This is a flowchart of the operation method of the wireless communication system according to the second embodiment of the present invention;

[0017] Figure 6 This is a schematic diagram of the operation of the wireless communication system according to the third embodiment of the present invention; and

[0018] Figure 7 This is a flowchart of the operation method of the wireless communication system according to the third embodiment of the present invention.

[0019] Explanation of reference numerals in the attached figures

[0020] 11 Headphones

[0021] 13 Charging Case

[0022] 70 First Device

[0023] 80 Third Device

[0024] 90 Second Device Detailed Implementation

[0025] The purpose of this invention is to provide a wireless device that uses an earphone charging case as a switching and communication medium, a wireless communication system including the wireless device, and a method for operating the same. In this invention, the wireless device includes an earphone set (e.g., true wireless Bluetooth earphones, but not limited thereto) and a charging case. In this invention, external devices that are pre-paired and connected to the wireless device via Bluetooth include mobile phones (including smartphones), personal computers, tablet computers, laptops, in-vehicle computers, and portable audio devices, such as music players, virtual reality (VR) devices, augmented reality (AR) devices, and recording devices.

[0026] In this invention, "external device" refers to an electronic device external to the wireless device of this invention.

[0027] Please refer to Figure 1 The diagram shown is a schematic representation of the operation of a wireless communication system according to a first embodiment of the present invention. The wireless communication system includes a wireless device and multiple external devices. The wireless device includes an earphone assembly (or simply earphones) 11 and a charging case 13. The external devices are shown as including a first device 70 and a second device 90. Figure 1 In this embodiment, the first device 70 is shown as a personal computer and the second device 90 is shown as a mobile phone as an illustrative example. In other embodiments, the first device 70 and the second device 90 are other electronic devices capable of forming a Bluetooth connection with a wireless device.

[0028] The earphone 11 can be housed in the charging case 13 for charging, and there are no specific restrictions on how the charging case 13 houses the earphone 11. The earphone 11 and the charging case 13 form a Bluetooth connection, as shown in BT3. In this way, the charging case 13 can know the current audio connection status of the earphone 11 with the external device through the Bluetooth connection BT3 and exchange signals with the earphone 11, such as transmitting the connection request command described later.

[0029] Furthermore, the charging case 13 of the present invention also records the connection information (e.g., device address BD_ADDR, but not limited to) of multiple external devices (shown here as the first device 70 and the second device 90, but not limited to) that have currently established a Bluetooth connection with the charging case 13. In addition, the charging case 13 can send a connection request command Scrc to the earphone 11 via Bluetooth connection BT3, so that the earphone 11 can know the audio playback target according to the connection request command and establish an audio connection with one of the multiple external devices (i.e., the audio playback target).

[0030] In this invention, the connection request command (Scrc) can be sent simultaneously to both the left and right earpieces of the earphone group (i.e., 11), or only to one of the left and right earpieces. The receiving earpiece then forwards the received connection request command (Scrc) to the other earpiece through a master-slave relationship. In this description, Bluetooth connection between earphone 11 and charging case 13 refers to both the left and right earpieces simultaneously connecting to the charging case 13 via Bluetooth. Audio connection between earphone 11 and external device refers to both the left and right earpieces simultaneously connecting to the external device via audio.

[0031] In this invention, Bluetooth connectivity encompasses specific versions and extensions of the Bluetooth standard without any particular limitation. For example, Bluetooth connectivity can be Bluetooth Low Energy (BLE) connectivity or LE Audio connectivity, but is not limited to these. The pairing and connection processes for Bluetooth and audio connectivity are known and will not be described in detail here.

[0032] Figure 2 The flowchart of the operation method of the wireless communication system according to the first embodiment of the present invention includes the following steps: the charging case connects to the first device and the second device via Bluetooth, and the earphone establishes a first audio connection with the first device (step S21); the second device inquires whether to perform a connection switch (step S22); the second device transmits a switch command to the charging case (step S23); and the charging case controls the earphone to terminate the first audio connection with the first device and establish a second audio connection with the second device (step S24).

[0033] Figure 2 For example, when the first device 70 and the second device 90 are connected to the charging case 13 via Bluetooth, the audio connection target of the earphone 11 is switched.

[0034] Step S21: The charging case 13 is coupled to the first device 70 via the first Bluetooth connection BT1; the charging case 13 is coupled to the second device 90 via the second Bluetooth connection BT2, therefore the charging case 13 records the connection information between the first device 70 and the second device 90. The charging case 13 is also coupled to the earphone 11 via the third Bluetooth connection BT3. At the same time, the earphone 11 establishes an audio connection Audio_1 with the first device 70 to receive audio data from the first device 70.

[0035] Step S22: When the user begins to operate the second device 90, such as unlocking the phone, the second device 90 may prompt the user to switch audio connections via video, sound, and / or vibration, for example, by displaying a prompt message on the screen. If the user chooses not to switch the current connection, the headset 11 continues the audio connection to the first device 70.

[0036] Step S23: If the user chooses to switch the current connection, for example by clicking the agreement window or text on the screen, the second device 90 sends a switching command Ssc to the charging case 13 via the second Bluetooth connection BT2. In another embodiment, the second device 90 is configured to automatically send the switching command Ssc to the charging case 13 without prompting when a multimedia program or call function is started.

[0037] Step S24: After receiving the switching command Ssc, the charging case 13 controls the earphone 11 to disconnect the first audio connection Audio_1 with the first device 70 and establish a second audio connection Audio_2 with the second device 90 via the third Bluetooth connection BT3, in order to receive audio data from the second device 90. For example, after receiving a control signal, such as Scrc, from the charging case 13, the earphone 11 reconnects (i.e., the Bluetooth address of the second device 90 has been recorded in the earphone 11) to the second device 90 as instructed by the charging case 13 to establish the second audio connection Audio_2 with the second device 90. For example, the charging case 13 transmits the Bluetooth address or identifier (ID) associated with the second device 90 as a control signal.

[0038] In this way, users only need to agree to switch audio connections (directly or indirectly) on the desired external device, and the headset 11 can automatically complete the connection switch via the charging case 13.

[0039] On the other hand, when the audio connection of the headset 11 wants to switch from the second device 90 to the first device 70, the first device 70 sends a switching command (e.g., when logging into the first device 70) to the charging case 13, and the charging case 13 controls this, for example, by sending a Scrc. The headset 11 then disconnects its audio connection with the second device 90 and establishes an audio connection with the first device 70. The details are similar. Figure 2 The explanation is already provided, so it will not be repeated here.

[0040] In another implementation, the connection switching is initiated when the charging case 13 connects to an additional new external device (which has also been pre-paired via Bluetooth). That is, when the new external device connects to the charging case 13 via Bluetooth, the new external device actively asks the user whether to switch the Bluetooth connection there, similar to step S22. If the user agrees to switch the audio connection, the new external device sends a switching command to the charging case 13, similar to step S23. Then, the charging case 13 controls the earphone 11 to terminate the first audio connection with the first device and establish a new audio connection with the new external device, similar to step S24.

[0041] Please refer to Figure 3 This is another flowchart of the operation method of the wireless communication system according to the first embodiment of the present invention, which includes the following steps: the charging case connects to the first device and the second device via Bluetooth, and the earphone establishes a first audio connection with the first device (step S31); when the charging case detects that the first Bluetooth connection or the first audio connection with the first device is interrupted, it confirms the number of currently connected devices (step S32); if the number of currently connected devices is 1, the charging case controls the earphone to establish a new audio connection with the connected device (step S33); if the number of currently connected devices is greater than 1, the charging case queries the multiple connected devices to see if a connection switch is to be performed (step S34); a switching command is transmitted to the charging case by one of the connected devices (step S341); and the charging case controls the earphone to establish a new audio connection with the connected device that transmitted the switching command (step S342).

[0042] Figure 3 and Figure 2 The difference lies in Figure 2 In this context, the online handover is initiated by the second device 90, for example, when the second device is operated; while Figure 3 In the middle, the charging case 13 detects the connection switching event, for example, it discovers that the previous audio connection has ended and another external device is connected to it.

[0043] Step S31: The charging case 13 is coupled to the first device 70 via the first Bluetooth connection BT1; the charging case 13 is coupled to the second device 90 via the second Bluetooth connection BT2, therefore the charging case 13 records the connection information (e.g., Bluetooth address) of the first device 70 and the second device 90. The charging case 13 is also coupled to the earphone 11 via the third Bluetooth connection BT3. At the same time, the earphone 11 establishes an audio connection Audio_1 with the first device 70, and records the connection information (e.g., Bluetooth address) of the second device 90 (through prior pairing) therein.

[0044] Step S32: When the user leaves with the wireless device, the earphones 11 and charging case 13 will leave the Bluetooth connection range of the first device 70. Therefore, when the charging case 13 detects an interruption in the first Bluetooth connection BT1 and / or the first audio connection Audio_1 with the first device 70, it confirms the number of currently connected devices. As mentioned above, the charging case 13 can record the connection information of multiple external devices simultaneously connected via Bluetooth. The charging case 13 can confirm whether the first audio connection Audio_1 is interrupted via the third Bluetooth connection BT3, for example, when the first audio connection Audio_1 is interrupted, the earphones 11 send an interruption signal Sitr.

[0045] Step S33: When the number of external devices currently connected to the charging case 13 via Bluetooth is 1 (e.g., only connected to the second device 90), the charging case 13 sends a request signal Sreq to the second device 90 via the second Bluetooth connection BT2. After receiving the request signal Sreq, the second device 90 can execute the above steps S22 and S23 and send a switching command Ssc to the charging case 13. Then, the charging case 13 controls the headset 11 to establish a new audio connection Audio_2 with the second device 90 according to the switching command Ssc, the details of which can be found in step S24. It is understood that if the first audio connection Audio_1 has been interrupted, there is no need to disconnect from the first device 70.

[0046] In another implementation, the charging case 13 directly transmits the information required for the earphones 11 to establish an audio connection with the second device 90, such as BD-ADDR, to both the earphones 11 and the second device 90 to establish an audio connection directly, without the second device 90 asking the user whether to accept the connection switch. That is, when the previous audio connection (with earphones 11) terminates, the charging case 13 automatically controls the earphones 11 to connect to another additional device that is already connected to the charging case 13 via Bluetooth.

[0047] Step S34: When the number of external devices currently connected to the charging case 13 via Bluetooth is greater than 1, the charging case 13 sends a request signal Sreq to each of the connected devices via Bluetooth to ask the user whether to accept or agree to the connection switch. There are no specific restrictions on the way the user asks.

[0048] Step S341: The user can accept or agree to a connection switch among multiple connected devices (e.g., refer to step S22), and then the currently connected device operated by the user issues a switch command Ssc via the relevant Bluetooth connection (e.g., refer to step S23). For example, the external device that issues the switch command Ssc can then enter the online state.

[0049] Step S342: Finally, after receiving the switching command Ssc, the charging case 13 controls, for example via Scrc, the earphone 11 to establish a new audio connection with the external device that transmitted the switching command Ssc and is currently connected to the charging case 13. When the first audio connection Audio_1 has been interrupted, the charging case 13 controls the earphone 11 to directly establish a new audio connection with the external device that transmitted the switching command. For example, after the first audio connection Audio_1 is interrupted, the earphone 11 waits (while connected) for the charging case 13 to transmit the device address or identifier of the external device (defined in advance between the earphone and the charging case). The external device transmits the generated switching command Ssc to the earphone 11 via the third Bluetooth connection BT3. However, when the first audio connection Audio_1 is not interrupted, the charging case 13 controls the earphone 11 to first interrupt the first audio connection Audio_1 and wait to establish a new audio connection with the external device that transmitted the switching command Ssc (for example, refer to step S24).

[0050] Please refer to Figure 4 and Figure 5 , Figure 4 This is a schematic diagram of the operation of the wireless communication system according to the second embodiment of the present invention; Figure 5 This is a flowchart of the operation method of the wireless communication system according to the second embodiment of the present invention. Figure 4 In the diagram, the wireless communication system includes a charging case 13, a first device (displayed as PC1) 70, and a second device 90. The first device 70 and the second device 90 have been pre-paired with the charging case 13 via Bluetooth.

[0051] The operation method of the wireless communication system in this embodiment includes the following steps: the charging case connects to the first device and the second device via Bluetooth (step S51); the charging case provides WiFi domain information and network address between the first device and the second device so that the first device and the second device can establish a WiFi connection (step S52); it confirms whether it is a specific system (for example, an Apple mobile phone is shown as an example) (step S53); if so, a keep-alive packet is sent to the charging case as a specific system (step S54).

[0052] The result of step S53 can be known when the program, algorithm, or software (or APP) provided by this invention is installed on an external device (e.g., a mobile phone) (e.g., confirming the mobile phone model, but not limited thereto). Therefore, the position of step S53 in the flowchart is not limited to... Figure 5 What is displayed.

[0053] Step S51: The charging case 13 has established Bluetooth connections with the first device 70 and the second device 90 respectively, displayed as the first Bluetooth connection BT1 and the second Bluetooth connection BT2. At this time, the earphone 11 (not shown) Figure 4The device can be housed in the charging compartment 13 for charging or removed from the charging compartment 13 without restriction. Furthermore, the first device 70 and the second device 90 are located in an environment where a WiFi network exists. There are no specific limitations on the device providing the WiFi network; for example, it can be a standalone WiFi router or one of the first device 70 and the second device 90 can act as a router (e.g., providing a hotspot).

[0054] Step S52: The charging case 13 also provides the current WiFi network information and IP address of the first device 70 or the second device 90 via the first Bluetooth connection BT1 and the second Bluetooth connection BT2, so that the first device 70 and the second device 90 can establish a WiFi connection. For example, if the first device 70 has already connected to (or provided) a WiFi network, the charging case 13 provides the WiFi network information of the first device 70, the first network address of the first device 70, and other necessary information to the second device 90 via the first Bluetooth connection BT1 and the second Bluetooth connection BT2. For example, if the second device 90 has already connected to (or provided) a WiFi network, the charging case 13 provides the WiFi network information of the second device 90, the second network address of the second device 90, and other necessary information to the first device 70 via the first Bluetooth connection BT1 and the second Bluetooth connection BT2. In this way, a WiFi connection can be automatically established between the first device 70 and the second device 90.

[0055] Thus, for example in an environment with multiple WiFi domains, the first device 70 and the second device 90 can connect to the same WiFi domain via the charging case 13. In another embodiment, the first device 70 and the second device 90 connect to WiFi directly based on the information provided by the charging case 13.

[0056] The purpose of WiFi connection is to transfer data between the first device 70 and the second device 90. In embodiments where the first device 70 is a computer and the second device 90 is a mobile phone, WiFi connection performs at least one of the following: file transfer (e.g., data backup), projecting the mobile phone screen to the computer, and controlling the mobile phone with the computer. For example, the computer can be emulated as a Bluetooth keyboard / mouse for the mobile phone to control the phone using the Bluetooth keyboard / mouse. It is understood that when the first device 70 and the second device 90 are combinations of different electronic devices, the data transmitted by WiFi connection may be different. The present invention executes steps S51 and S52 by installing predetermined programs, algorithms, or software on the first device 70 and the second device 90 respectively.

[0057] Furthermore, in some mobile phones, such as Apple iPhones, the predetermined program, algorithm, or software will be forcibly stopped after a predetermined time after entering the background (e.g., turning off the screen, switching screens, etc.). In order to ensure that data transmission is not interrupted, the wireless communication system of the present invention also confirms whether the first device 70 and the second device 90 are running on a specific system, such as iOS (step S53).

[0058] Step S54: If either the first device 70 or the second device 90 is running on the specific system, the charging case 13 is further configured to receive a keep-alive packet from the specific system to prevent the predetermined program, algorithm, or software from being shut down when it enters the background, thereby maintaining the Bluetooth connection between the external device running on the specific system and the charging case 13, such as BT2. Thus, as long as the Bluetooth connection between the external device running on the specific system and the charging case 13 remains, the WiFi connection between the first device 70 and the second device 90 also remains, unless manually turned off by the user, and file transfer will not be interrupted during the transfer. The WiFi connection between the first device 70 and the second device 90 is only interrupted when the Bluetooth connection between the charging case 13 and the external device running on the specific system is interrupted.

[0059] Figure 4 The wireless communication system also includes a third device (displayed as PC2) 80, which is pre-paired with the charging case 13 via Bluetooth. When a user carries the second device 90 and the charging case 13 out of the Bluetooth range of the first device 70 and then into the Bluetooth range of the third device 80, for example, leaving the office and returning home, the charging case 13 will automatically establish a Bluetooth connection with the third device 80, such as BT4. At this time, the wireless communication system can also establish a WiFi connection WiFi_2 between the second device 90 and the third device 80 according to step S52, and can also execute steps S53 and S54, which will not be described in detail here.

[0060] In the second embodiment, when the user is in different work environments, they can use the charging compartment 13 as a medium to adjust the charging speed according to their needs. Figure 5 A WiFi connection is automatically established between the second device 90 (e.g., a personal electronic device) and different electronic devices.

[0061] Please refer to Figure 6 and Figure 7 , Figure 6 This is a schematic diagram of the operation of the wireless communication system according to the third embodiment of the present invention; Figure 7 This is a flowchart of the operation method of the wireless communication system according to the third embodiment of the present invention. Figure 6 The wireless communication system is shown to include earphone 11, charging case 13, first device 70, and second device 90. The first device 70, second device 90, and earphone 11 are pre-paired with the charging case 13 via Bluetooth.

[0062] The operation method of the wireless communication system in the third embodiment includes the following steps: the earphone enters the online state (step S71); the device connects to the charging case via Bluetooth (step S72); the charging case notifies the earphone to prepare for audio connection (step S73); the device connects to the earphone via audio (step S74); confirms whether the device is a specific system (e.g., an Apple mobile phone is shown as an example) (step S75); if yes, the specific system sends a keep-alive packet to the charging case (step S76); if no, proceeds to step S77 to detect whether another device exists; if yes, establishes a WiFi connection between the two devices (step S78); and performs cross-platform functionality (step S79).

[0063] In one implementation, Figure 7 Step S76 can be executed only after the external device carrying the installed program, algorithm, or software enters the background. In one embodiment, the result of step S75 can be known when the external device (e.g., the second device 90) has installed the program, algorithm, or software provided by the present invention; that is, the position of step S75 in the flowchart is not limited to... Figure 7 What is displayed. For example, if the installed program, algorithm, or software already knows whether the external device is an Apple phone, Figure 7 Step S75 can confirm whether the installed program, algorithm, or software has been replaced in the background.

[0064] Step S71: When the earphone 11 is removed from the charging case 13, it automatically enters the online state.

[0065] Steps S72-S73: In embodiments where the second device 90 is a mobile phone, the charging case 13 can typically maintain a Bluetooth connection with the second device 90 for an extended period, such as BT2. After the charging case 13 and the second device 90 have established a Bluetooth connection, the charging case 13 notifies the earphone 11 to prepare for an audio connection, for example, by informing the earphone 11 about the device address BD_ADDR of the second device 90. In one embodiment, the earphone 11 is configured not to have an audio connection with devices that do not have a Bluetooth connection to the charging case 13.

[0066] Step S74: As mentioned above, the earphone 11 will only establish an audio connection with external devices that are currently connected to the charging case 13 via Bluetooth. After the earphone 11 receives the device address (or identifier) ​​of the second device 90 from the charging case 13, it will establish an audio connection with the second device 90.

[0067] Steps S75-S76: As mentioned above, in order to prevent the operation of this embodiment from being forcibly interrupted in the background (i.e., software not currently displayed on the screen is forcibly closed by the system), the program, algorithm, or software related to this operating method confirms whether the second device 90 is an Apple mobile phone. If so, the program, algorithm, or software controls the Apple mobile phone to continuously send keep-alive packets to the charging case 13 to maintain the Bluetooth connection BT2.

[0068] Steps S77-S78: Next, the charging case 13 detects whether another device (e.g., the first device 70) exists within Bluetooth range. If the search confirms the existence of the first device 70, the charging case 13 establishes a Bluetooth connection with the first device 70, for example, BT1. Then, it can use... Figure 5 Step S52 establishes a WiFi connection between the first device 70 and the second device 90, for example, WiFi_1.

[0069] Step S79: After a WiFi connection is established between the first device 70 and the second device 90, the installed programs, algorithms, or software can perform cross-platform functions as described above, including file transfer, projecting the mobile phone screen to the computer, and controlling the mobile phone by the computer, via the WiFi connection. It is understood that, depending on the application, the cross-platform functions may include other functions.

[0070] also, Figure 6 The wireless communication system can also perform tasks such as Figure 2 and Figure 3 The function shown is to switch the audio connection of the headset 11 to the first device 70, that is, to switch from Audio_2 to Audio_1.

[0071] Figure 6 The wireless communication system also includes a third device 80, which has been pre-paired with the charging case 13 and earphone 11 via Bluetooth. When a user, carrying the second device 90 and the wireless device, leaves the Bluetooth range of the first device 70 and enters the Bluetooth range of the third device 80 (e.g., leaving the office and returning home), the charging case 13 can automatically establish a Bluetooth connection with the third device 80, such as BT4, similar to step S77. At this time, the wireless communication system also establishes a WiFi connection between the second device 90 and the third device 80, such as WiFi_2, similar to steps S52 and S78. Similarly, when the Bluetooth connection of the charging case 13 switches from BT1 to BT4, the wireless communication system can also perform the following... Figure 6 The function shown is to switch the audio connection of the headset 11 to the third device 80, that is, to switch from Audio_1 to Audio_3. The details of this function will not be repeated.

[0072] In short, the first embodiment describes an external device that assists the earphone 11 in switching audio connections using the charging case 13; the second embodiment describes an external device that assists the earphone 11 in switching audio connections using the charging case 13; and the third embodiment includes both the first and second embodiments.

[0073] In this invention, each of the multiple external devices is equipped with a predetermined program, algorithm, or software (APP) for executing the above-mentioned tasks. Figure 2-3 , Figure 5 and Figure 7 The examples shown include inquiries, Bluetooth connections, WiFi connections, audio connections, and connection switching. When the program, algorithm, or software enters the background of an external device, it continuously sends keep-alive packets to maintain its operation without interruption. These keep-alive packets are implemented, for example, through write-without-response payloads, but are not limited to this.

[0074] It must be noted that, although Figure 2 In this embodiment, the user is prompted by a device not currently connected to the earphone 11, but the invention is not limited thereto. In other embodiments, the user may be prompted by a device currently connected to the earphone 11 to switch audio connections; that is, the connected device sends a switching command to the charging case 13, and the charging case 13 then notifies the earphone 11 to disconnect and reconnect. Those skilled in the art will understand that… Figure 2 After understanding how to operate the system, you can also understand the content of the connection switching activated by the device that is already connected via audio, so it will not be described in detail here.

[0075] It must be noted that although the above embodiments use the example of an Apple mobile phone sending keep-alive packets, the present invention is not limited thereto. In other embodiments, as long as the external device (including mobile phones or electronic devices other than Apple mobile phones) is configured to forcibly close background programs, algorithms, and software, the programs, algorithms, and software provided by the present invention can all be configured to enable the external device to send keep-alive packets at a predetermined frequency to maintain Bluetooth and WiFi connectivity.

[0076] In this invention, in addition to audio communication, the earphone 11 can also transmit data other than audio data with multiple external devices, which is determined according to the Bluetooth protocol.

[0077] Figure 1 , Figure 4 and Figure 6 In the diagram, devices at both ends of a solid line indicate that a connection has been established between them, while devices at both ends of a dashed line indicate that they have been paired but are not currently connected.

[0078] In summary, known Bluetooth headsets are either susceptible to sound interference from different connected devices, or require manual switching when changing connected devices, thus reducing the user experience. Therefore, this invention provides another wireless device (see reference 1). Figure 1 , Figure 4 and Figure 6 ) and a wireless communication system containing the wireless device and its operation method (see reference) Figure 2-3 , Figure 5 and Figure 7 It primarily uses the earphone charging case as a medium to switch connected devices and communicate with different platforms, thereby effectively improving the user experience.

[0079] While the present invention has been disclosed through the foregoing examples, it is not intended to limit the invention. Anyone skilled in the art to which this invention pertains can make various modifications and alterations without departing from the spirit and scope of the invention. Therefore, the scope of protection of this invention shall be determined by the appended claims.

Claims

1. A wireless device comprising: A charging case, used to record connection information of a first device and a second device that have established a Bluetooth connection with the charging case, and to send a connection request command; and The earphones are for housing in the charging case for charging and determine the audio playback target based on the connection request command from the charging case to establish an audio connection with one of the first device and the second device, wherein... When the earphones establish a first audio connection with the first device, the charging case is also used to receive a switching command from the second device to control the earphones to interrupt the first audio connection with the first device and establish a second audio connection with the second device.

2. The wireless device according to claim 1, wherein, The first device and the second device include at least one of a mobile phone, a personal computer, a tablet computer, a laptop computer, a vehicle computer, and a portable audio device.

3. The wireless device according to claim 1, wherein, The charging case is also used to provide the current WiFi domain information and network address of the first device or the second device via the Bluetooth connection, so that the first device and the second device can connect via WiFi.

4. The wireless device according to claim 3, wherein, When either the first device or the second device is an Apple mobile phone, the charging case is also used to receive keep-alive packets from the Apple mobile phone to maintain the Bluetooth connection between the Apple mobile phone and the charging case.

5. The wireless device according to claim 1, wherein, The charging case is also used to send a request signal to the second device when a Bluetooth connection interruption with the first device is detected, so that the second device issues the switching command.

6. The wireless device according to claim 1, wherein, The charging compartment is also used to send a request signal to the second device when the first audio connection is detected to be interrupted, so that the second device issues the switching command.

7. The wireless device according to claim 1, wherein, The charging case and the earphones form another Bluetooth connection for transmitting the connection request command.

8. A method of operating a wireless communication system, the wireless communication system comprising a first device, a second device, and an earphone charging case, the method comprising: The earphone charging case establishes Bluetooth connections with both the first device and the second device; and The earphone charging case connects via Bluetooth to provide the WiFi domain information of the first device and the first network address of the first device to the second device, or provides the WiFi domain information of the second device and the second network address of the second device to the first device, so that the first device and the second device can establish a WiFi connection.

9. The operating method according to claim 8, wherein, The first device and the second device are selected from mobile phones, personal computers, tablet computers, laptops, in-vehicle computers, and portable audio devices.

10. The operating method according to claim 8, wherein, One of the first device and the second device is an Apple mobile phone, and the operating method further includes: The earphone charging case receives a keep-alive packet from the Apple mobile phone.

11. The operating method according to claim 10, further comprising: When the Bluetooth connection between the earphone charging case and the Apple mobile phone is interrupted, the WiFi connection between the first device and the second device is also interrupted.

12. The operating method according to claim 8, wherein, The first device is a computer and the second device is a mobile phone, and the operating method further includes: At least one of the following: transferring files via the WiFi connection, projecting the mobile phone's screen to the computer, and controlling the mobile phone via the computer.

13. A method of operating a wireless communication system, the wireless communication system comprising an earphone, a charging case, a first device, and a second device, the method comprising: The charging case establishes a first Bluetooth connection with the first device; The charging case notifies the earphones of the audio playback target, thereby establishing a first audio connection between the first device and the earphones; and When the charging case establishes a second Bluetooth connection with the second device, the charging case provides the WiFi domain information connected to the first device and the first network address of the first device to the second device through the first Bluetooth connection and the second Bluetooth connection, or provides the WiFi domain information connected to the second device and the second network address of the second device to the first device, so that the first device and the second device can establish a WiFi connection.

14. The operating method according to claim 13, wherein, The first device and the second device are selected from mobile phones, personal computers, tablet computers, laptops, in-vehicle computers, and portable audio devices.

15. The operating method according to claim 13, further comprising: The charging compartment receives a switching command from the second device; and The charging case controls the earphones to interrupt the first audio connection and establish a second audio connection with the second device according to the switching command.

16. The operating method according to claim 13, wherein, One of the first device and the second device is an Apple mobile phone, and the operating method further includes: The Apple mobile phone sends a keep-alive packet to the charging case.

17. The operating method according to claim 13, wherein, The first device is a computer and the second device is a mobile phone, and the operating method further includes: At least one of the following: transferring files via the WiFi connection, projecting the mobile phone's screen to the computer, and controlling the mobile phone via the computer.

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