CN114448459A - Detachable wireless audio transmission system - Google Patents

Detachable wireless audio transmission system Download PDF

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Publication number
CN114448459A
CN114448459A CN202011223164.2A CN202011223164A CN114448459A CN 114448459 A CN114448459 A CN 114448459A CN 202011223164 A CN202011223164 A CN 202011223164A CN 114448459 A CN114448459 A CN 114448459A
Authority
CN
China
Prior art keywords
wireless
connector
audio
transmission system
protocol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011223164.2A
Other languages
Chinese (zh)
Inventor
张丰盛
曾恩怀
庞力彰
王词舆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shengwei Advanced Technology Co ltd
Original Assignee
Shengwei Advanced Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shengwei Advanced Technology Co ltd filed Critical Shengwei Advanced Technology Co ltd
Priority to CN202011223164.2A priority Critical patent/CN114448459A/en
Publication of CN114448459A publication Critical patent/CN114448459A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3888—Arrangements for carrying or protecting transceivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/385—Transceivers carried on the body, e.g. in helmets
    • H04B2001/3872—Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A detachable wireless audio transmission system is connected with an electronic device. The wireless audio transmission system comprises a wireless charging storage box and a wireless transceiver. Wireless transceiver detachable installs wireless receiver that charges. When the wireless charging storage box is used, the wireless transceiver is taken down from the wireless charging storage box and is connected with computer equipment, so that wireless audio information is transmitted according to the audio information of the computer equipment and is received by other electronic devices. The wireless transceiver is stored in the wireless charging storage box, so that the wireless transceiver can be rapidly taken out when needed besides the loss of the wireless transceiver is improved. Borrow this to reach and promote convenience of use and availability factor and have the purpose that promotes to use experience concurrently.

Description

Detachable wireless audio transmission system
Technical Field
The present invention relates to a transmission system, and more particularly, to a detachable wireless audio transmission system.
Background
Currently, a portable electronic device (e.g., a bluetooth headset) sold in the market is usually stored in a storage box for convenience of carrying and keeping. Such as an in-ear wireless headset and a storage case on the market. Through with the wireless earphone of in-ear is accomodate in the receiver to through the receiver is to the wireless earphone of in-ear charges.
When a user wears the portable electronic device on his/her body (e.g., ears) and needs to use the portable electronic device with a computer device (e.g., game console, pen phone, desktop, non-smart phone, and wearing device), for example, to receive sounds played by the computer device, a wireless transceiver (e.g., a bluetooth transceiver with a USB connection interface, etc.) needs to be additionally prepared and plugged into the computer device. The computer equipment transmits real-time information (such as multimedia information) to the portable electronic device worn by the user through the wireless transceiver, so that the real-time information on the computer equipment can be played on the portable electronic device worn by the user at the same time.
The prior art requires the user to separately carry the storage box and the wireless transceiver. However, the small size of the wireless transceiver is easy to lose and miss, which often causes troubles and troubles in carrying or storage. Therefore, how to improve the convenience of the user and reduce the trouble in use is a necessity of providing a better solution.
Disclosure of Invention
In view of the above problems of the prior art, it is an object of the present invention to provide a detachable wireless audio transmission system, which can improve the problem that the wireless transceiver is easy to lose or miss when being stored, stored and carried by mounting the wireless transceiver on the storage box. And when the user needs to use, only need to take off wireless transceiver from the receiver and with equipment connection time, can use at once. Borrow this to reach and promote convenience of use and availability factor and have the purpose that promotes to use experience concurrently.
In order to achieve the above object, a technical means is adopted to connect the detachable wireless audio transmission system with an electronic device, wherein the wireless audio transmission system comprises: a wireless charging storage box; wireless transceiver, detachable installs on the wireless receiver that charges, wireless transceiver with electronic equipment connects to according to electronic equipment's the wireless audio information of audio information transmission.
Optionally, the wireless charging storage box comprises a first shell, and a first connector is arranged on the first shell; the wireless transceiver comprises a second shell, wherein a second connector is arranged on the second shell and detachably combined with the first connector.
Optionally, wherein the wireless transceiver comprises: the USB interface is connected with the electronic equipment to receive the audio information; the audio processing module is connected with the USB interface to receive the audio information and correspondingly generate a driving signal; and the wireless transmission module is connected with the audio processing module and transmits the wireless audio information according to the driving signal and the audio information.
Optionally, the USB interface includes a communication protocol, and receives the audio information through the communication protocol.
Optionally, the wireless transmission module includes: a transmission processing unit including a wireless protocol; and the transceiving antenna is connected with the transmission processing unit and is used for transmitting the wireless audio information transmitted by the transmission processing unit through the wireless protocol.
Optionally, further comprising a portable electronic device housed in the wireless charging housing box; the portable electronic device is connected with the wireless transceiver to receive the wireless audio information through the wireless protocol.
Optionally, the communication protocol includes a USB Audio protocol or an analog signal protocol.
Optionally, wherein the wireless protocol comprises Wi-Fi wireless transmission protocol, bluetooth wireless transmission protocol, or wireless proprietary transmission protocol.
Optionally, wherein the first housing of the wireless charging receptacle comprises an earphone receptacle, a glasses receptacle, or a wireless wearable device receptacle.
Optionally, the first connector and the second connector comprise a corresponding set of male and female connectors, a set of male and female ports, a set of male and female magnetic assemblies, a set of male and female tenons, or a set of male and female buckles.
According to the above, the wireless transceiver is detachably mounted on the wireless charging storage box, so that the wireless transceiver is properly stored, stored and carried, and the problem that the wireless transceiver is easy to lose or miss when being stored, stored and carried is solved. And, when the user needs to use, only need with wireless transceiver follow wireless charging receiver takes off to with the electronic equipment connection can use immediately. Borrow this to reach and promote convenience of use and availability factor and have the purpose that promotes to use experience concurrently.
For a better understanding of the nature and technical content of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is an architecture diagram of a detachable wireless audio transmission system according to an embodiment of the present invention;
FIG. 2 is a block diagram of a wireless transceiver, a portable electronic device and an apparatus connection of a detachable wireless audio transmission system according to an embodiment of the present invention;
fig. 3 is a schematic view of a first embodiment of the first connector of the wireless charging housing box, the second connector of the wireless transceiver of the present invention;
fig. 4 is a schematic view of a second embodiment of the first connector of the wireless charging receiver and the second connector of the wireless transceiver of the present invention;
fig. 5 is a schematic view of a third embodiment of the first connector of the wireless charging receiver and the second connector of the wireless transceiver of the invention;
fig. 6 is a schematic view of a fourth embodiment of the first connector of the wireless charging receiver and the second connector of the wireless transceiver of the invention;
fig. 7 is a schematic diagram of a fifth embodiment of the first connector of the wireless charging storage box and the second connector of the wireless transceiver of the invention.
Reference numerals
10 wireless receiver that charges
11 first casing
12 first connector
20 radio transceiver
21 second housing
22 second connector
23USB interface
24 audio processing module
25 wireless transmission module
251 transmission processing unit
252 transceiver antenna
30 portable electronic device
40 computer device
Detailed Description
Referring to fig. 1 and 2, an embodiment of a detachable wireless audio transmission system according to the present invention includes a wireless charging storage box 10 and a wireless transceiver 20. The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10. The portable electronic device 30 is further contained in the wireless charging storage box 10. The wireless transceiver 20 is connected with an electronic device, so that the portable electronic device 30 exchanges information with the electronic device through the wireless transceiver 20. In one embodiment, the electronic device may be constituted by a computer device 40, which receives analog signals and USB audio inputs.
In one embodiment, the portable electronic device 30 includes a wireless headset or a wireless wearable device, such as but not limited to a bluetooth headset, Google glasses, or iWatch device.
In one embodiment, the computer device 40 comprises a game console, a laptop computer, a desktop computer, a non-smart phone, or a wearable device.
In one embodiment, the wireless charging storage box 10 includes a first housing 11 and a first connector 12. Specifically, a plurality of spaces are disposed in the first housing 11 for accommodating the portable electronic device 30. The first connector 12 is used for mounting the wireless transceiver 20. The first connector 12 can be disposed in a space inside the first housing 11 or on an outer side of the first housing 11, and can be designed according to actual requirements.
The first housing 11 includes an earphone storage case (e.g., a bluetooth earphone case), a glasses storage case (e.g., a Google glasses case), or a wireless wearable device storage case (iWatch storage case), etc.
In one embodiment, the wireless transceiver 20 is removably mounted to the wireless charging receptacle 10. The wireless transceiver 20 includes a second housing 21 and a second connector 22. The second connector 22 is provided on the second housing 21 and detachably combined with the first connector 12 of the wireless charging storage box 10. The structure of the first connector 12 and the second connector 22 will be illustrated later.
The wireless transceiver 20 further includes a USB interface 23, an audio processing module 24, and a wireless transmission module 25. The USB interface 23 is used to connect to the computer device 40 to receive the audio information and the power transmitted by the computer device 40, and the wireless transceiver 20 operates according to the power. The audio processing module 24 is connected to the USB interface 23 to receive the audio information and generate a driving signal correspondingly. The wireless transmission module 25 is connected to the audio processing module 24, and transmits wireless audio information according to the driving signal and the audio information.
The USB interface 23 includes a communication protocol, and exchanges information with the computer device 40 through the communication protocol. The USB interface 23 includes a USB1.0 interface, a USB2.0 interface, a USB3.0 interface, or a USB interface of a higher specification. The communication protocol comprises a USB Audio protocol or an analog signal protocol and the like.
The audio processing module 24 includes an audio processor for processing the received audio information and generating a corresponding driving signal.
The wireless transmission module 25 includes a transmission processing unit 251 and a transceiver antenna 252, and the transceiver antenna 252 is connected to the transmission processing unit 251. The transmission processing unit 251 includes a wireless protocol, and transmits the wireless audio information via the transceiver antenna 252 according to the driving signal and the audio information via the wireless protocol, so as to be received by the portable electronic device 30. The wireless transmission module 25 includes a bluetooth module or a Wi-Fi module. The transmission processing unit 251 includes a wireless transmission processor. The wireless protocol comprises a Wi-Fi wireless transmission protocol, a Bluetooth wireless transmission protocol or a wireless private transmission protocol, and particularly the coding format of the wireless private transmission protocol comprises SBC, AAC or LHDC.
In use, the user disengages the second connector 22 from the first connector 12 to remove the wireless transceiver 20 from the wireless charging receptacle 10. The user then connects the USB interface 23 of the wireless transceiver 20 to a USB interface (not shown) on the computer device 40. Then, the user takes the portable electronic device 30 out of the wireless charging housing box 10 to wear on the body (for example, ears), and the portable electronic device 30 is connected with the wireless transceiver 20.
The user operates through the computer device 40 to play multimedia information, such as movies, music, etc. The USB interface 23 of the wireless transceiver 20 receives the audio information via the communication protocol. The audio processing module 24 generates a corresponding driving signal according to the audio information. The transmission processing unit 251 of the wireless transmission module 25 transmits the wireless audio information through the transceiver antenna 252 via the wireless protocol according to the driving signal and the audio information, so that the portable electronic device 30 can receive the wireless audio information via the wireless protocol. The user hears the sound of the movie or music played by the computer device 40 through the portable electronic device 30.
In addition, when the user performs an operation through the portable electronic device 30, such as volume up, volume down, next switching, previous switching, pause playing or stop playing, the portable electronic device 30 sends a control command to the wireless transceiver 20, and the wireless transmission module 25 of the wireless transceiver 20 transmits the control command to the computer device 40. And the computer equipment 40 controls the multimedia information which is currently played according to the control instruction.
Further, please refer to fig. 3, which is a schematic structural diagram of a first embodiment of the first connector 12 and the second connector 22. The first connector 12 and the second connector 22 may be a set of corresponding male and female connectors. Specifically, the first connector 12 is provided on the outer side of the first housing 11 of the wireless charging storage box 10, and the first connector 12 specifically includes a hole (female joint). The second connector 22 is disposed on the outside of the second housing 21 of the wireless transceiver 20, and the second connector 22 specifically includes a terminal (male connector). The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10 by detachably coupling the second connector 22 with the first connector 12.
In another case of the first embodiment, the first connector 12 is disposed in the space of the wireless charging storage case 10, and the second connector 22 is coupled to the first connector 12, so that the wireless transceiver 20 can be stored in the wireless charging storage case 10, thereby improving the storage and storage effects.
In addition, the first connector 12 may also be configured as the terminal, and the second connector 22 is configured as the hole.
Further, please refer to fig. 4, which is a schematic structural diagram of a second embodiment of the first connector 12 and the second connector 22. The first connector 12 and the second connector 22 may be a set of corresponding male and female ports. Specifically, the first connector 12 is provided on the outer side of the first housing 11 of the wireless charging storage box 10, and the first connector 12 specifically includes a USB port (female port). The second connector 22 is disposed on an outer side of the second housing 21 of the wireless transceiver 20, and the second connector 22 specifically includes a USB port (male port). The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10 by detachably coupling the second connector 22 with the first connector 12.
In another case of the second embodiment, the first connector 12 is disposed in the space of the wireless charging storage case 10, and the second connector 22 is coupled to the first connector 12, so that the wireless transceiver 20 can be stored in the wireless charging storage case 10, thereby improving the storage and storage effects.
In addition, the USB interface 23 of the wireless transceiver 20 can be directly used as the second connector 22 to be combined with the first connector 12, so as to reduce the cost of the wireless transceiver 20.
Further, please refer to fig. 5, which is a schematic structural diagram of a third embodiment of the first connector 12 and the second connector 22. The first connector 12 and the second connector 22 may be a set of corresponding male and female magnetic attraction components. Specifically, the first connector 12 is disposed on the outer side of the first housing 11 of the wireless charging storage box 10, and the first connector 12 specifically includes a metal member that can be attracted by a magnet. The second connector 22 is disposed on an outer side of the second housing 21 of the wireless transceiver 20, and the second connector 22 specifically includes a magnet. The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10 by detachably coupling the second connector 22 with the first connector 12.
In another case of the third embodiment, the first connector 12 is disposed in the space of the wireless charging storage case 10, and the second connector 22 is coupled to the first connector 12, so that the wireless transceiver 20 can be stored in the wireless charging storage case 10, thereby improving the storage and storage effects.
In addition, the first connector 12 may also be a magnet, and the second connector 22 may be a metal piece attracted by the magnet. Alternatively, the first connector 12 may be a magnet and the second connector 22 may be another magnet of opposite polarity to the first connector 12.
Further, please refer to fig. 6, which is a schematic structural diagram of a fourth embodiment of the first connector 12 and the second connector 22. The first connector 12 and the second connector 22 may be a set of corresponding male and female tenons. Specifically, the first connector 12 is provided on the outer side of the first housing 11 of the wireless charging accommodation case 10, and the first connector 12 specifically includes a mortise (female latch). The second connector 22 is disposed on an outer side of the second housing 21 of the wireless transceiver 20, and the second connector 22 specifically includes a tenon portion (male tenon). The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10 by detachably coupling the second connector 22 with the first connector 12. The joggle part can be made of elastic materials so as to be convenient to assemble and disassemble.
In another case of the fourth embodiment, the first connector 12 is disposed in the space of the wireless charging storage case 10, and the second connector 22 is coupled to the first connector 12, so that the wireless transceiver 20 can be stored in the wireless charging storage case 10, thereby improving the storage and storage effects.
Further, please refer to fig. 7, which is a schematic structural diagram of a fifth embodiment of the first connector 12 and the second connector 22. The first connector 12 and the second connector 22 may be a set of corresponding male and female buckles. Specifically, the first connector 12 is provided on the outer side of the first housing 11 of the wireless charging storage box 10, and the first connector 12 specifically includes a ring-shaped member (female snap ring). The second connector 22 is disposed on the outer side of the second housing 21 of the wireless transceiver 20, and the second connector 22 specifically includes a fastener (male snap ring). The wireless transceiver 20 is detachably mounted on the wireless charging housing box 10 by detachably coupling the second connector 22 with the first connector 12.
According to the above, the wireless transceiver 20 is detachably mounted on the wireless charging storage box 10, so that the wireless transceiver 20 can be properly stored, stored and carried, and the problem that the wireless transceiver 20 is easily lost or missed when being properly stored, stored and carried is solved. When the user needs to use the wireless charging box, the user can use the wireless charging box immediately by detaching the wireless transceiver 20 from the wireless charging box 10 and connecting the wireless charging box to the computer device 40. Borrow this to reach and promote convenience of use and availability factor and have the purpose that promotes to use experience concurrently.
The above description is only an example of the present invention, and is not intended to limit the scope of the present invention.

Claims (10)

1. A detachable wireless audio transmission system for connection with an electronic device, the wireless audio transmission system comprising:
a wireless charging storage box;
wireless transceiver, detachable installs on the wireless receiver that charges, wireless transceiver with electronic equipment connects to according to electronic equipment's the wireless audio information of audio information transmission.
2. The detachable wireless audio transmission system of claim 1, wherein the wireless charging receiver comprises a first housing, the first housing having a first connector thereon; the wireless transceiver comprises a second shell, wherein a second connector is arranged on the second shell and detachably combined with the first connector.
3. The detachable wireless audio transmission system according to claim 2, wherein the wireless transceiver comprises:
the USB interface is connected with the electronic equipment to receive the audio information;
the audio processing module is connected with the USB interface to receive the audio information and correspondingly generate a driving signal;
and the wireless transmission module is connected with the audio processing module and transmits the wireless audio information according to the driving signal and the audio information.
4. The detachable wireless audio transmission system according to claim 3, wherein the USB interface comprises a communication protocol, and the audio information is received via the communication protocol.
5. The detachable wireless audio transmission system according to claim 4, wherein the wireless transmission module comprises:
a transmission processing unit including a wireless protocol;
and the transceiving antenna is connected with the transmission processing unit and is used for transmitting the wireless audio information transmitted by the transmission processing unit through the wireless protocol.
6. The detachable wireless audio transmission system of claim 5, further comprising a portable electronic device housed in the wireless charging housing box; the portable electronic device is connected with the wireless transceiver to receive the wireless audio information through the wireless protocol.
7. The detachable wireless Audio transmission system according to claim 6, wherein the communication protocol comprises a USB Audio protocol or an analog signal protocol.
8. The detachable wireless audio transmission system according to claim 7, wherein the wireless protocol comprises Wi-Fi wireless transmission protocol, bluetooth wireless transmission protocol, or wireless proprietary transmission protocol.
9. The detachable wireless audio transmission system according to claim 2, wherein the first housing of the wireless charging receiver comprises an earphone receiver, a glasses receiver, or a wireless wearable device receiver.
10. The detachable wireless audio transmission system according to claim 9, wherein the first connector and the second connector comprise a corresponding set of male and female connectors, a set of male and female ports, a set of male and female magnetic attraction components, a set of male and female tenons, or a set of male and female buckles.
CN202011223164.2A 2020-11-05 2020-11-05 Detachable wireless audio transmission system Pending CN114448459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011223164.2A CN114448459A (en) 2020-11-05 2020-11-05 Detachable wireless audio transmission system

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Application Number Priority Date Filing Date Title
CN202011223164.2A CN114448459A (en) 2020-11-05 2020-11-05 Detachable wireless audio transmission system

Publications (1)

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CN114448459A true CN114448459A (en) 2022-05-06

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM280050U (en) * 2005-04-01 2005-11-01 Viewsun Technology Co Ltd Mobile wireless communication device
CN106455778A (en) * 2014-04-30 2017-02-22 惠普发展公司有限责任合伙企业 Protective case for a device
KR20170141971A (en) * 2016-06-16 2017-12-27 에스케이텔레시스 주식회사 Multi-functional portable device for mobile routing
CN108604911A (en) * 2015-10-30 2018-09-28 精华产品公司 Wireless accessory bus for electronic equipment
CN209072693U (en) * 2018-12-14 2019-07-05 歌尔科技有限公司 A kind of charging box of true wireless headset
US20190289395A1 (en) * 2015-09-03 2019-09-19 Dolby Laboratories Licensing Corporation Audio stick for controlling wireless speakers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM280050U (en) * 2005-04-01 2005-11-01 Viewsun Technology Co Ltd Mobile wireless communication device
CN106455778A (en) * 2014-04-30 2017-02-22 惠普发展公司有限责任合伙企业 Protective case for a device
US20190289395A1 (en) * 2015-09-03 2019-09-19 Dolby Laboratories Licensing Corporation Audio stick for controlling wireless speakers
CN108604911A (en) * 2015-10-30 2018-09-28 精华产品公司 Wireless accessory bus for electronic equipment
KR20170141971A (en) * 2016-06-16 2017-12-27 에스케이텔레시스 주식회사 Multi-functional portable device for mobile routing
CN209072693U (en) * 2018-12-14 2019-07-05 歌尔科技有限公司 A kind of charging box of true wireless headset

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