CN111029843A - Communication device, switching device and control method thereof - Google Patents

Communication device, switching device and control method thereof Download PDF

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Publication number
CN111029843A
CN111029843A CN201911387785.1A CN201911387785A CN111029843A CN 111029843 A CN111029843 A CN 111029843A CN 201911387785 A CN201911387785 A CN 201911387785A CN 111029843 A CN111029843 A CN 111029843A
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CN
China
Prior art keywords
interface
data interface
switch module
controller
data
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Granted
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CN201911387785.1A
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Chinese (zh)
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CN111029843B (en
Inventor
闫家政
刘鲁松
邵光智
邵保健
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Goertek Inc
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Goertek Inc
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Priority to CN201911387785.1A priority Critical patent/CN111029843B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/02—Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/717—Structural association with built-in electrical component with built-in light source

Abstract

The invention discloses a communication device, a switching device and a control method thereof, wherein the control method comprises the following steps: at least one first data interface; at least two second data interfaces; the adapter plate is respectively connected with the first data interface and the second data interface; the control assembly comprises a controller and a switch module which are in signal connection, the switch module comprises a public end and at least two static connecting ends, the public end is connected with the first data interface, the static connecting ends are connected with the second data interface, and the controller is used for controlling the public end of the switch module to be switched and connected between the at least two static connecting ends. According to the invention, a user can control the connection or disconnection of the second data interfaces connected with the switch module through the controller, and one of the second data interfaces is selected to communicate with the first data interface connected with the controller, so that the connection and disconnection between the second data interface and the terminal equipment are realized without manual plugging of the user, and the convenience of data transmission switching is improved.

Description

Communication device, switching device and control method thereof
Technical Field
The present invention relates to the field of communications, and in particular, to a communication apparatus, a transfer apparatus, and a control method thereof.
Background
In an existing communication system, a first terminal often needs to communicate with a plurality of second terminals, and the plurality of second terminals can transmit data to the first terminal, but if the plurality of second terminals input data, the data of the plurality of second terminals can be input to the first terminal; for a telephone traffic system, one telephone may be directly connected to a plurality of earphones, and the telephone intelligently outputs audio input by a microphone of one earphone, when a plurality of earphones are connected simultaneously, data of the plurality of earphones are all transmitted to the telephone, and when only one earphone is needed to transmit data, another earphone needs to be pulled out, so that the earphones are frequently plugged and pulled out, which is very tedious.
Disclosure of Invention
The invention mainly aims to provide a communication device, a switching device and a control method thereof, aiming at improving the convenience of data transmission switching among a plurality of terminals.
To achieve the above object, the present invention provides a switching device, including:
at least one first data interface;
at least two second data interfaces;
the adapter plate is respectively connected with the first data interface and the second data interface;
the control assembly comprises a controller and a switch module which are connected through signals, the switch module comprises a public end and at least two static connecting ends, the public end is connected with the first data interface, the static connecting ends are connected with the second data interface, and the controller is used for controlling the public end of the switch module to be switched and connected between the at least two static connecting ends.
Optionally, the second data interface comprises a second speaker interface and a second microphone interface; the static connecting end is connected with the second microphone interface.
Optionally, the first data interface is an audio interface, the audio interface includes a first speaker interface and a first microphone interface, the common port is communicated with the first microphone interface, and the first speaker interface is communicated with the second speaker interface.
Optionally, a pull-up resistor is connected between the static connection terminal and the second microphone interface connection.
Optionally, the adaptor board further includes a digital signal interface, and the digital signal interface is in signal connection with the controller.
Optionally, the adapter device comprises a housing, the control assembly being disposed within the housing; the outer surface of the shell is provided with a key, and a key foot of the key penetrates through the shell to be connected with the controller.
Optionally, a prompt lamp is further arranged on the shell, and the key is arranged corresponding to the prompt lamp.
Optionally, the control assembly further comprises at least one of a microphone, a display screen and a rumble motor, the microphone, the display screen and the rumble motor being connected to the controller.
In addition, in order to achieve the above object, the present invention further provides a method for controlling a transfer apparatus, which is applied to the controller of the transfer apparatus described above, the method comprising:
after a switching instruction is detected, acquiring the switching instruction to acquire a target static connecting end;
generating a control signal according to the information of the target static connecting end;
and sending the control signal to the switch module so that the switch module cuts off or conducts the common terminal and the target static connecting terminal according to the control signal.
Optionally, after the step of sending the control signal to the switch module so that the switch module cuts off or conducts the common terminal and the target static connection terminal according to the control signal, the control method of the switching device further includes:
acquiring a target prompt lamp corresponding to the target static connecting end in the control assembly;
and lightening the target prompting lamp.
Optionally, the method for controlling the switching device further includes:
and when the incoming call signal is received, controlling a vibration motor in the control assembly to vibrate.
Optionally, the method for controlling the switching device further includes:
and when the word-forbidden instruction is detected, controlling the switch module to cut off the connection between the common terminal and all the static connection terminals.
Further, to achieve the above object, the present invention also proposes a communication apparatus comprising:
a communication device;
an earphone;
a switch over device connected between the communication equipment and the earphone, wherein the switch over device is as claimed in any one of claims 1 to 8, the communication equipment is connected with a first data interface of the switch over device, and the earphone is connected with a second data interface of the switch over device.
Optionally, the communication device is a telephone, a mobile phone, a notebook or a tablet computer.
According to the communication device, the switching device and the control method thereof, the switch module is connected between the controller and at least two second data interfaces, so that a user can control the connection or disconnection of the second data interfaces connected with the switch module through the controller, and selects one of the second data interfaces to communicate with the first data interface connected with the controller, and the connection and disconnection between the second data interfaces and the terminal equipment are realized without manual plugging of the user, so that the convenience of data transmission switching is improved.
Drawings
Fig. 1 is a schematic structural diagram of an exemplary embodiment of a transition device according to the present invention;
FIG. 2 is a schematic block diagram of an exemplary embodiment of a connection relationship of a transition device of the present invention;
fig. 3 is a schematic block diagram of another exemplary embodiment of a connection relationship of the transit apparatus of the present invention;
FIG. 4 is a flowchart illustrating a first exemplary embodiment of a method for controlling a switch device according to the present invention;
FIG. 5 is a flowchart illustrating a first exemplary embodiment of a method for controlling a switch device according to the present invention;
fig. 6 is a flowchart illustrating a third exemplary embodiment of a control method of the adapter device according to the present invention.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an exemplary embodiment of a transition device according to the present invention, and fig. 2 is a schematic block diagram of an exemplary embodiment of a connection relationship of a transition device according to the present invention.
As shown in fig. 1 and fig. 2, the switching device in this embodiment includes at least one first data interface 10; at least two second data interfaces 20; the adapter plate 30 is connected with the first data interface 10 and the second data interface 20 respectively; control module 40, control module 40 include signal connection's controller 41 and switch module 42, switch module 42 common port and two at least static link ends, the common port with first data interface 10 is connected, static link end with second data interface 20 is connected, controller 41 is used for control switch module 42's common port is at least two switch connection between the static link end.
The first data interface 10 in the present embodiment may be a plurality of data interfaces such as the first data interface 10 may be at least one of type-c, USB-a and micro-USB; it is understood that the first data interface 10 may also include other interfaces, such as RJ9 and RJ 11; the second data interface 20 includes an input interface and an output interface, alternatively the second data interface 20 may be an audio data interface, the second data interface 20 may include a second speaker interface and a second microphone interface, and the switch module 42 may be used only to connect to either the second microphone interface or the second speaker interface.
In this embodiment, the second data interface 20 includes a second speaker interface and a second microphone interface; the static connecting end is connected with the second microphone interface. Because the switch module only controls the on-off of the microphone interface, when a user connects the earphone with the second data interface, the data connection of the microphone can be selectively switched, the data connection of the loudspeaker is kept, and the earphone is more intelligent.
Optionally, at least one of the first data interfaces 10 is an audio interface, the audio interface includes a first speaker interface and a first microphone interface, the common port is communicated with the first microphone interface, and the first speaker interface is communicated with the second speaker interface.
When the static connection end of the switch module 42 is connected to the second microphone interface of the second data interface 20, since there is no power supply in the headset, after the connection between the microphone of the headset and the switch module 42 is disconnected, the level of the headset will drop sharply, noise will occur in the headset, and a pull-up resistor needs to be connected between the static connection end and the second microphone interface, so that when the path between the common end and the static connection end is disconnected, power can be supplied to the headset through the pull-up resistor, so as to avoid the sharp drop of power of the headset, that is, reduce the noise generated when the communication of the microphone of the headset is disconnected.
Referring to fig. 3, the adapter board 30 may further be provided with a digital signal interface 46, the digital signal interface 46 is in signal connection with the controller 41, and a terminal connected to the first data interface 10 may send a control signal to the controller 41 through the digital signal interface 46; for example, when the phone is connected to the first data interface 10 of the adapter board 30 via the digital signal interface 46 and the earphone is connected to the second data interface 20, when the phone is in an incoming call, the controller 41 can send an electrical signal to the controller 41 via the digital signal interface 46, so that the controller 41 can perform incoming call control.
In the technical solution disclosed in this embodiment, the switch module 42 is connected between the controller 41 and at least two second data interfaces 20, so that a user can control the on/off of the second data interfaces 20 connected to the switch module 42 through the controller 41, and select one of the second data interfaces 20 to communicate with the first data interface 10 connected to the controller 41, and the connection and disconnection between the second data interfaces 20 and the terminal device are realized without manual plugging of the user, thereby improving the convenience of data transmission switching.
With further reference to fig. 1, the adapter device in this embodiment includes a housing 43, the control assembly 40 being disposed within the housing 43; the outer surface of the shell 43 is provided with a key 44; the legs of the selection keys 44 are connected to the controller 41 through the housing 43.
The keys 44 in this embodiment may be set as required, for example, the case in this embodiment may be a switch key 44, and each second data interface 20 corresponds to one key 44; when detecting that the case is triggered, the controller 41 may acquire the target second data interface 20 corresponding to the key 44, and send control information to the switch module 42, so that the switch module 42 controls the static connection end corresponding to the target second data interface 20 to be connected with or disconnected from the common end. Optionally, in this embodiment, a talk inhibition button 44 may be further provided, and when the talk inhibition button 44 is triggered, the controller 41 controls the switch module 42 to disconnect the common terminal from all the static connection terminals, and the switch module 42 may also be powered off.
It will be appreciated that the keys 44 may also be volume adjustment keys 44 and the key 44 for switching on and off the telephone, and that the controller 41, upon detecting that the key 44 is activated, sends a control signal directly via the currently connected path to the terminal, which may be a headset, in communication with the second data interface 20.
In the technical scheme disclosed in this embodiment, the shell 43 may be provided with the indicator lamp 45, the indicator lamp 45 may be disposed corresponding to the key 44, one key 44 corresponds to one indicator lamp 45, and when the key 44 is triggered, the corresponding indicator lamp 45 may be turned on.
In the technical scheme disclosed in this embodiment, a key 44 may be disposed on the housing 43 to connect with the controller 41, and the switching of the data transmission terminal is realized through the key 44, which is very convenient.
Referring further to fig. 1, the control module 40 of the turning device of the present embodiment further includes at least one of a microphone (not shown), a display (not shown) and a vibration motor (not shown), and the microphone (not shown), the display (not shown) and the vibration motor (not shown) are connected to the controller 41.
A display (not shown) may be disposed on the housing 43 of the control assembly 40, the display (not shown) may be a touch screen (not shown), and a user may control the display through the touch screen (not shown); optionally, a microphone (not shown in the figure) is disposed on the control component 40, and the microphone (not shown in the figure) can receive a voice control instruction, and when the voice control instruction is received, the target second data interface 20 associated with the target terminal corresponding to the switching instruction is obtained, and the circuit between the static connection point corresponding to the target second data interface 20 and the common terminal is directly disconnected or connected; similarly, the controller controls the vibration motor to vibrate when receiving the incoming call signal, and the controller may be connected to the first data interface 10 through the digital signal interface to receive a digital control signal, such as an incoming call signal, sent by the terminal connected to the first data interface 10.
In the technical solution disclosed in this embodiment, at least one of a microphone, a display screen, and a vibration motor is provided in the control unit 40, so that the functions of the adaptor device are richer.
Referring to fig. 4 based on fig. 1-3, fig. 4 is a first embodiment of a control method of a switching device according to the present invention, in the present embodiment, the control method of the switching device includes:
step S10, after a switching instruction is detected, the switching instruction is obtained to obtain a target static connecting end;
step S20, generating a control signal according to the information of the target static connecting end;
and step S30, sending the control signal to the switch module so that the switch module can cut off or conduct the common terminal and the target static connection terminal according to the control signal.
The switching instruction can be triggered by voice, a switching key or a touch screen, key value information corresponding to the switching key and information of a static connecting end of the static connecting end can be preset and stored in an associated mode, when the switching key is detected to be triggered, the detected key value information is obtained, a target static connecting end corresponding to the key value information is obtained, and control information is sent to the switch module, so that the switch module can cut off or switch on the public end and the target static connecting end according to a received control signal.
Explaining by taking communication between a phone and an earphone as an example, when a voice control instruction triggers a switching instruction, and a controller receives the voice switching instruction, acquiring a target earphone corresponding to the voice switching instruction, determining a target static connection end corresponding to a second data interface 20 connected with the earphone, and generating a control signal according to information of the target static connection end; and sending the control signal to the switch module so that the switch module cuts off or conducts the common terminal and the target static connecting terminal according to the control signal. It will be appreciated that after the headset is connected to the second data interface 20, information about the connected headset may be obtained via the second data interface 20 and associated with the second data interface 20.
In this embodiment, the communication of all the second data interfaces 20 can be disconnected simultaneously by the instruction, that is, the control method of the transfer device further includes:
and when the word-forbidden instruction is detected, controlling the switch module to cut off the connection between the common terminal and all the static connection terminals.
The language-forbidden instruction can also be triggered by a key, a voice control instruction and the like, and the description is omitted here.
In the technical solution disclosed in this embodiment, the second data interface 20 can be switched on or off by the switching instruction, and a user does not need to insert or pull manually, which is very convenient.
Referring to fig. 5, a second embodiment of the method for controlling a switching device according to the present invention is provided on the basis of the first embodiment, and in this embodiment, after step S30, the method for controlling a switching device further includes:
step S40, acquiring a target warning light corresponding to the target static connecting end in the control assembly;
and step S50, lighting the target prompting lamp.
In this embodiment, each static connecting end may correspond to one warning light, and when the static connecting end is conducted with the common end, the warning light corresponding to the conducted static connecting end may be turned on; it can be understood that, in this embodiment, the indicator light corresponds to the switch key, each switch key corresponds to one indicator light, and when the switch key is triggered, the indicator light corresponding to the switch key is controlled to be turned on.
In the technical scheme disclosed in this embodiment, the data path that the user switched on at present can be reminded through the warning light, and the intelligence of switching device is improved.
Referring to fig. 6, a third embodiment of the method for controlling a switching device according to the present invention is provided on the basis of the first embodiment or the second embodiment, and in this embodiment, the method for controlling a switching device further includes:
in step S60, the vibration motor in the control assembly is controlled to vibrate when the incoming call signal is received.
FIG. 6 is a schematic diagram of the embodiment, and the step S60 can be before the step S10, or at any position between the steps S10 and S30, and is not limited to be after the step S30.
In the technical scheme disclosed in this embodiment, the adapter board may further be provided with a digital signal interface, the digital signal interface is in signal connection with the controller, and a terminal connected to the first data interface may send a control signal to the controller through the digital signal interface; for example, when the telephone is connected with the first data interface of the adapter plate through the digital signal interface, and the earphone is connected with the second data interface, when the telephone calls, the telephone can send an electric signal to the controller through the digital signal interface, the controller can control the motor to vibrate, and when the adapter device is provided with the display screen, the call prompt information can be displayed on the display screen.
In the technical scheme disclosed in this embodiment, the terminal connected to the first data interface is connected to the controller through the digital transmission interface, so that the incoming call of the terminal can be controlled on the controller.
The present invention also provides a communication apparatus comprising:
a communication device;
an earphone;
the switching device is connected between the communication equipment and the earphone, the switching device is the switching device in the embodiment, the communication equipment is connected with a first data interface of the switching device, and the earphone is connected with a second data interface of the switching device.
In this embodiment, the communication device may be a telephone, a mobile phone, a notebook, or a tablet computer.
When the communication equipment is connected with the earphones, all the earphones can be connected with the communication equipment, and the switch module on the switching device can be used for selectively disconnecting the communication of the microphone of one earphone, so that the communication device is more intelligent.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, a controlled terminal, or a network device) to execute the method of each embodiment of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (13)

1. An adapter device, comprising:
at least one first data interface;
at least two second data interfaces;
the adapter plate is respectively connected with the first data interface and the second data interface;
the control assembly comprises a controller and a switch module which are connected through signals, the switch module comprises a public end and at least two static connecting ends, the public end is connected with the first data interface, the static connecting ends are connected with the second data interface, and the controller is used for controlling the public end of the switch module to be switched and connected between the at least two static connecting ends.
2. The transition device of claim 1, wherein the second data interface comprises a second speaker interface and a second microphone interface; the static connecting end is connected with the second microphone interface.
3. The transition device according to claim 1, wherein the first data interface is an audio interface, the audio interface comprises a first speaker interface and a first microphone interface, the common port is in communication with the first microphone interface, and the first speaker interface is in communication with the second speaker interface.
4. The switching device according to claim 2, wherein a pull-up resistor is connected between the static connection terminal and the second microphone interface connection.
5. The transition device defined in claim 1, wherein the transition board further comprises a digital signal interface in signal communication with the controller.
6. The adapter of claim 1, wherein the adapter includes a housing, the control assembly being disposed within the housing; the outer surface of the shell is provided with a key, and a key foot of the key penetrates through the shell to be connected with the controller.
7. The switching device according to claim 5, wherein a warning light is further disposed on the housing, and the button is disposed corresponding to the warning light.
8. The translator of claim 1, wherein the control assembly further comprises at least one of a microphone, a display screen, and a rumble motor, the microphone, display screen, and rumble motor being coupled to the controller.
9. A control method of a relay device, which is applied to the controller of the relay device according to any one of claims 1 to 8, the control method of the relay device comprising:
after a switching instruction is detected, acquiring the switching instruction to acquire a target static connecting end;
generating a control signal according to the information of the target static connecting end;
and sending the control signal to the switch module so that the switch module cuts off or conducts the common terminal and the target static connecting terminal according to the control signal.
10. The method of controlling a switching device according to claim 9, wherein after the step of sending the control signal to the switch module for the switch module to switch off or switch on the common terminal and the target static connection terminal according to the control signal, the method further comprises:
acquiring a target prompt lamp corresponding to the target static connecting end in the control assembly;
and lightening the target prompting lamp.
11. The control method of the relay device according to claim 9, further comprising:
and when the incoming call signal is received, controlling a vibration motor in the control assembly to vibrate.
12. The control method of the relay device according to claim 9, further comprising:
and when the word-forbidden instruction is detected, controlling the switch module to cut off the connection between the common terminal and all the static connection terminals.
13. A communication apparatus, characterized in that the communication apparatus comprises:
a communication device;
an earphone;
a switch over device connected between the communication equipment and the earphone, wherein the switch over device is as claimed in any one of claims 1 to 8, the communication equipment is connected with a first data interface of the switch over device, and the earphone is connected with a second data interface of the switch over device.
CN201911387785.1A 2019-12-26 2019-12-26 Communication device, switching device and control method thereof Active CN111029843B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09271094A (en) * 1996-04-02 1997-10-14 Nippon Columbia Co Ltd Headphone and plug adaptor
CN2798369Y (en) * 2005-05-18 2006-07-19 陈相雄 Computer multimedia controlling box
CN202957436U (en) * 2012-12-11 2013-05-29 詹昌漫 Multifunctional mobile terminal data line
CN203562629U (en) * 2013-10-15 2014-04-23 吴文明 Data connecting line with multiple USB interfaces
CN106535038A (en) * 2015-09-15 2017-03-22 展讯通信（上海）有限公司 Circuit and method for eliminating plug and play noise of headphone
CN207442131U (en) * 2017-09-26 2018-06-01 四川阵风科技有限公司 A kind of data transmission device and storage device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09271094A (en) * 1996-04-02 1997-10-14 Nippon Columbia Co Ltd Headphone and plug adaptor
CN2798369Y (en) * 2005-05-18 2006-07-19 陈相雄 Computer multimedia controlling box
CN202957436U (en) * 2012-12-11 2013-05-29 詹昌漫 Multifunctional mobile terminal data line
CN203562629U (en) * 2013-10-15 2014-04-23 吴文明 Data connecting line with multiple USB interfaces
CN106535038A (en) * 2015-09-15 2017-03-22 展讯通信（上海）有限公司 Circuit and method for eliminating plug and play noise of headphone
CN207442131U (en) * 2017-09-26 2018-06-01 四川阵风科技有限公司 A kind of data transmission device and storage device

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