CN217008198U - Extended display mainboard, extended display device and extended display - Google Patents
Extended display mainboard, extended display device and extended display Download PDFInfo
- Publication number
- CN217008198U CN217008198U CN202220441045.2U CN202220441045U CN217008198U CN 217008198 U CN217008198 U CN 217008198U CN 202220441045 U CN202220441045 U CN 202220441045U CN 217008198 U CN217008198 U CN 217008198U
- Authority
- CN
- China
- Prior art keywords
- signal
- component
- display
- extended display
- usb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model discloses an extended display mainboard, an extended display device and an extended display, wherein the extended display mainboard comprises: a bidirectional interface; the signal processing assembly is electrically connected with the bidirectional interface and used for analyzing the signals received by the bidirectional interface and outputting first display signals; the first signal conversion assembly is electrically connected with the signal processing assembly and is used for converting the first display signal into a second display signal to be output; the first signal conversion component is electrically connected with the first signal conversion component and used for converting the received second display signal into an MIPI signal and outputting the MIPI signal; the MIPI is electrically connected with the second signal conversion component and used for outputting the accessed MIPI signal to a display screen; the utility model can solve the problem that the screen size of the existing extended display is overlarge.
Description
Technical Field
The utility model relates to the technical field of extended displays, in particular to an extended display main board, an extended display device and an extended display.
Background
In the field of current displays, the displays can be classified into conventional desktop displays, portable displays for business offices and terminal display devices such as conference machines and central control displays according to the use scenes and various use requirements. In daily life, people often have the situation that when a mobile phone is used for playing games, the screen is too small to influence the game experience, or when people go out, the people need to work, but the screen of the mobile phone is too small to influence document writing. In order to solve these problems, people design an extended display applied to a mobile phone, and control the extended display through the mobile phone to realize working under a larger display screen. However, the extended display in the prior art is mostly applied to industry, and the EDP interface requiring a long patch cord is used, so that the extended display is often disadvantageous in that the price is high, the size of the screen is too large, and the extended display is inconvenient to carry. Therefore, how to design an extended display with a small volume becomes a demand of people.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an extended display main board, an extended display device and an extended display, and aims to solve the problem that the screen size of the existing extended display is overlarge.
In order to achieve the above object, the extended display main board provided by the present invention is applied to an extended display, and the extended display main board includes:
a bidirectional interface;
the signal processing assembly is electrically connected with the bidirectional interface and used for analyzing the signals received by the bidirectional interface and outputting first display signals;
the first signal conversion assembly is electrically connected with the signal processing assembly and is used for converting the first display signal into a second display signal and outputting the second display signal;
the first signal conversion component is electrically connected with the first signal conversion component and used for converting the received second display signal into an MIPI signal and outputting the MIPI signal;
and the MIPI is electrically connected with the second signal conversion component and used for outputting the accessed MIPI signal to a display screen.
Optionally, the bidirectional interface is one of a lightning interface or a Type-C interface
Optionally, the first display signal is one of a DP signal, an HDMI signal, and a DVI signal.
Optionally, the second display signal is one of an LVDS signal and an EDP signal.
Optionally, the extended display is further electrically connected to a mouse, a keyboard or other USB peripherals, the extended display motherboard further includes a USB extension component, and the USB extension component is electrically connected to the signal processing component;
the signal processing assembly is also used for analyzing the received first Type-C signal and outputting a corresponding first USB signal;
the USB expansion component is used for expanding the received first USB signal into a plurality of second USB signals and outputting the second USB signals to a mouse, a keyboard or other USB peripherals, or receiving and outputting third USB signals output by the mouse, the keyboard or other USB peripherals;
the signal processing component is further used for outputting a corresponding second Type-C signal according to the received third USB signal;
the bidirectional interface is further used for outputting the received second Type-C signal to Type-C signal output equipment.
Optionally, the extended display motherboard further includes a touch component and a third signal conversion component, and the third signal conversion component is electrically connected to the touch component and the bidirectional interface respectively;
the touch component is used for triggering a touch signal;
the third signal conversion assembly is used for receiving the touch signal and converting the touch signal into a second Type-C signal to be output;
the bidirectional interface is further used for outputting the received second Type-C signals to Type-C signal output equipment.
Optionally, the extended display further includes a speaker, the extended display motherboard further includes an audio output component, and the audio output component is electrically connected to the first signal conversion component and the speaker respectively;
the first signal conversion component is also used for analyzing the first display signal and outputting an audio signal;
the audio output component is used for analyzing the received audio signal and outputting the audio signal to the loudspeaker.
Optionally, the extended display motherboard further includes a power supply component, and the power supply component is electrically connected to the bidirectional interface, the signal processing component, the first signal conversion component, the second signal conversion component, the MIPI screen, the USB extension component, the touch component, the third signal conversion component, and the audio output component, respectively, and is configured to access a dc power supply and output a stable output voltage.
The utility model further provides an extended display device which comprises the extended display main board.
The utility model further provides an extended display, which comprises the extended display main board or the extended display device.
The technical scheme of the utility model is that a second signal conversion component is arranged to convert a second display signal into an MIPI signal, so that the input Type-C signal is analyzed into a corresponding first display signal, the first display signal is converted into a second display signal through a protocol, the second display signal can be analyzed into an MIPI signal through the second signal conversion component to be output, the MIPI signal is output to a display through an MIPI interface, and the display screen displays a corresponding picture, so that a user can display the picture in a mobile phone in real time through the expansion display, so that the user can work by using a document on business trip or obtain a larger screen view when playing games, and compared with the expansion display screens of other display interfaces, the expansion display screen with the MIPI interface has the advantages of lower price, larger using crowd and smaller screen size, thereby being convenient for the user to carry during the business trip.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a functional block diagram of an embodiment of an extended display motherboard according to the present invention;
FIG. 2 is a schematic circuit diagram of a touch device according to an embodiment of the extended display motherboard of the present invention;
fig. 3 is a schematic circuit diagram of a power supply assembly according to an embodiment of the extended display motherboard of the utility model.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an extended display mainboard, which is applied to an extended display.
Referring to fig. 1 to 3, in an embodiment, the extended display main board includes:
a bidirectional interface 10;
the signal processing component 20 is electrically connected to the bidirectional interface 10, and is configured to analyze the first Type-C signal received by the bidirectional interface 10 and output a first display signal;
the first signal conversion component 30, the first signal conversion component 30 is electrically connected with the signal processing component 20, and is used for converting the first display signal into a second display signal to be output;
the second signal conversion component 40, the first signal conversion component 30 is electrically connected with the first signal conversion component 30, and is used for converting the received second display signal into an MIPI signal and outputting the MIPI signal;
and the MIPI interface 50 is electrically connected with the second signal conversion component 40, and is used for outputting the accessed MIPI signal to a display screen.
In this embodiment, the first display signal is one of a DP signal, an HDMI signal, and a DVI signal, the second display signal is one of an LVDS signal and an EDP signal, and the MIPI signal is an MIPI signal, where the LVDS, EDP, and MIPI signals are all display signals, and in some embodiments, the display signals may be interchanged and output to a display, so that the display screen displays a corresponding picture.
In this embodiment, the Type-C interface, the first display signal is a DP signal, and the second display signal is an LVDS signal are taken as examples.
When a user uses the extension display, the extension display is connected to Type-C output peripherals such as a mobile phone, when the user clicks the mobile phone to work or play, the mobile phone outputs a first Type-C signal to the extension display through the Type-C interface, the Type-C interface outputs the received first Type-C signal to the signal processing component 20, the signal processing component 20 analyzes the first Type-C signal after receiving the first Type-C signal, and performs protocol processing on the analyzed first Type-C signal, so as to output a corresponding DP signal, and output the affiliated DP signal to the first signal conversion component 30 for signal conversion. After receiving the DP signal, the first signal conversion component 30 performs protocol processing on the DP signal, and outputs a corresponding LVDS signal.
After the second signal conversion component 40 receives the LVDS signal, the protocol of the LVDS signal is converted, and an MIPI signal is output. Since few driving chips in the market can directly convert the DP signal into the MIPI signal, the DP signal needs to be converted into the LVDS signal by the first signal conversion component 30, and then the LVDS signal is converted into the MIPI signal. The MIPI signal is output to the display through the MIPI interface 50, so that the display screen displays a corresponding picture, and therefore a user can display the picture in the mobile phone in real time through the expansion display, so that the user can work by using a document on business trips or obtain a larger screen view field during game playing, and compared with the expansion display screen with the EDP interface, the expansion display screen with the MIPI interface 50 is lower in price, larger in user group and smaller in screen size, and therefore the user can conveniently carry the MIPI signal in business trips.
In the existing embodiment, besides the EDP signal, the LVDS signal can be output to a display screen for displaying, but an extended display of the LVDS interface requires a switching component and long wiring, and is generally used in an industrial large screen, which is inconvenient for daily use and carrying.
The utility model can convert the second display signal into MIPI signal by arranging the second signal conversion component 40, so as to realize that the input Type-C signal can analyze the corresponding first display signal, and the first display signal is converted into the second display signal through the protocol, and then the second display signal can be analyzed into the MIPI signal through the second signal conversion component 40 for output, the MIPI signal is output to the display through the MIPI interface 50, so that the display screen can display the corresponding picture, therefore, the user can display the picture in the mobile phone in real time through the expansion display, so that the user can work by using the document on business trip, or can obtain larger screen view when playing games, and compared with the expansion display screens with other display interfaces, the expansion display screen with the MIPI interface 50 has lower price, larger using crowd and smaller screen size, thereby being convenient for the user to carry during the business trip.
Referring to fig. 1 to 3, in an embodiment, the extended display is further electrically connected to a mouse, a keyboard, or other peripheral USB devices, the extended display motherboard further includes a USB extension component 60, and the USB extension component 60 is electrically connected to the signal processing component 20;
the signal processing component 20 is further configured to parse the received first Type-C signal and output a first USB signal;
the USB expansion component 60 is configured to expand the received first USB signal into a plurality of second USB signals and output the second USB signals to a mouse, a keyboard, or other USB peripherals, or receive and output a third USB signal output by the USB peripherals;
the signal processing component 20 is further configured to output a corresponding second Type-C signal according to the received USB signal;
the output interface is further used for outputting the received second Type-C signal to Type-C signal output equipment.
In this embodiment, the USB expansion component 60 is a USB-HUB having a plurality of USB jacks, and the USB expansion component 60 is further used for connecting a mouse, a keyboard, a USB disk, or other USB peripherals.
Specifically, when a user uses the extended display, when a working process such as starting a browser, writing a document or making a PPT is performed by controlling a mobile phone, since a mobile phone screen is too small, it is inconvenient to control text content through a screen interface, a USB extension module 60 needs to be disposed in the extended display, so that the signal processing module 20 analyzes the first Type-C signal to obtain a first USB signal, the USB extension module 60 extends the first USB signal to a plurality of second USB signals for output, when an external mouse or keyboard receives the second USB signals, the external mouse or keyboard establishes a two-way communication with the extended display, and when the user moves the mouse or uses a keyboard to Type, the mouse or keyboard outputs a third USB signal to the extended display and reversely outputs the third USB signal to the signal processing module 20 through the extended display, the signal processing assembly 20 can analyze the Type-C signal into a first display signal and a first USB signal, and can output a second Type-C signal through protocol conversion of a third USB signal, so that the third USB signal is output to the mobile phone through the bidirectional interface 10, and therefore the working process in the mobile phone is controlled, and the working processes of starting a browser, writing a document or manufacturing PPT and the like of the mobile phone are controlled through the external mouse and keyboard of the extended display.
In addition, USB extension subassembly 60 can also connect the storage facilities of USB interfaces such as USB flash disk, and when the user is on business trip, for preventing that the cell-phone file mistake from deleting, carry the file copy in the USB flash disk, can through with the USB flash disk connects on the USB extension interface of extension display, thereby pass through the content in the USB flash disk is read to the extension display, has increased the practicality of extension display, thereby has promoted user's experience impression.
Referring to fig. 1 to 3, in an embodiment, the extended display main board further includes a touch component 71 and a third signal conversion component 72, where the third signal conversion component 72 is electrically connected to the touch component 71 and the bidirectional interface 10, respectively;
the touch component 71 is used for triggering a touch signal;
the third signal conversion component 72 is configured to receive the touch signal, and convert the touch signal into a second Type-C signal to be output.
In the present embodiment, the touch member 71 includes a touch chip U1.
Specifically, when a user uses the extended display, when the user controls a mobile phone to start a browser, write a document, or make a PPT, and the like, since the screen of the mobile phone is too small to be convenient for controlling text content through a screen interface, the touch component 71 can be set to control the mobile phone or the display card, so that the user can trigger a touch signal to control the mobile phone or the display card by touching the screen of the extended display, for example, click the different positions of the display screen to control the browser to start, write a document, or make a PPT, and the like.
When a user triggers a touch signal through the touch component 71, the third signal conversion component 72 receives the touch signal, the touch chip U1 converts the touch signal through a protocol, and outputs a second Type-C signal, so that the second Type-C signal is output to the mobile phone through the bidirectional interface 10, thereby controlling a working process in the mobile phone, and realizing the control of working processes such as browser starting, document writing or PPT manufacturing of the mobile phone through the external mouse and keyboard of the extended display.
Through setting up touch component 71, make the expanded display has expanded service function under the condition of easily carrying to make the user can also can carry out work or recreation through the cell-phone under the condition that need not carry the large-screen notebook, touch component 71 has more increased the practicality of expanded display makes the user directly control the cell-phone through small-size expanded display, has improved user's use impression.
Referring to fig. 1 to 3, in an embodiment, the extended display main board further includes an audio output component 80, and the audio output component 80 is electrically connected to the first signal conversion component 30;
the first signal conversion component 30 is further configured to convert the first display signal into an audio signal and output the audio signal;
the audio output component 80 is configured to parse the received audio signal and output corresponding audio.
In this embodiment, the Type-C interface, the first display signal being a DP signal, and the second display signal being an LVDS signal are taken as examples in this embodiment.
When a user uses the extension display, the extension display is connected to Type-C output peripherals such as a mobile phone, when the user clicks the mobile phone to work or play, the mobile phone outputs a first Type-C signal to the extension display through the Type-C interface, the Type-C interface outputs the received first Type-C signal to the signal processing component 20, the signal processing component 20 analyzes the first Type-C signal after receiving the first Type-C signal, and performs protocol processing on the analyzed first Type-C signal, so as to output a corresponding DP signal, and output the affiliated DP signal to the first signal conversion component 30 for signal conversion. After receiving the DP signal, the first signal conversion component 30 performs protocol processing on the DP signal, and outputs a corresponding LVDS signal.
After the second signal conversion component 40 receives the LVDS signal, the LVDS signal is subjected to protocol conversion, and an audio signal is output, and the audio signal is output to a speaker of the extended display through an audio output component 80, so that the speaker plays music or a movie sound effect, and therefore a user can listen to music or watch a movie through the extended display, so that the user can play sound when going on a business trip, and the extended display uses the MIPI interface 50, so that the price is lower, the user group is larger, and the screen size is smaller, so that the user can carry the system conveniently during the traveling on a business trip.
Referring to fig. 1 to 3, in an embodiment, the extended display main board further includes a power supply component, and the power supply component is connected to the bidirectional interface 10, the signal processing component 20, the first signal conversion component 30, the second signal conversion component 40, and the USB extension component 60, respectively, and is configured to connect to a direct current power supply and output a stable output voltage.
In this embodiment, the power supply assembly is used to provide a stable voltage to the whole extended display; use bidirectional interface 10 is the Type-C interface as an example, power supply module can follow the external access DC power supply, also can use the Type-C interface right the extension display charges, the Type-C interface is neotype digital interface, has just replaced signal interface such as HDMI, DP, VGA, USB-A with an interface only, has high-speed data, audio/video and power transmission function, because the Type-C interface has power transmission function, therefore the user need not carry when going out the charger of extension display to convenience of customers carries in the business trip, and then has reduced the pressure that the user went out, has increased the practicality of product.
Further, the power supply module includes a voltage stabilizing module and a voltage dropping module, the voltage dropping module is connected to the voltage stabilizing module and the second signal conversion module 40, the voltage stabilizing module is used for accessing a dc power supply, so as to provide a stable voltage for the whole extended display, the voltage dropping module includes a voltage dropping chip U2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5, in this embodiment, the voltage of the power supply after voltage stabilization by the voltage stabilizing module is 5V, and the voltage of the power supply after voltage dropping by the voltage dropping module is 1.8V. When the voltage stabilizing component outputs a stabilized dc signal, the voltage dropping chip U2 receives the dc signal and drops the dc signal to a voltage required by the second signal conversion component 40, so as to maintain the second signal conversion component 40 to work normally.
Specifically, the power supply regulated by the voltage regulation component is filtered by the first resistor R1 and the second resistor R2, and is connected to the power supply input end of the voltage reduction chip U2, and the 5V power supply is reduced to 1.8V by the voltage reduction chip U2, so as to maintain the normal operation of the second signal conversion component 40.
The present invention further provides an extended display device, which includes the extended display main board, and the specific structure of the extended display main board refers to the foregoing embodiments, and since the extended display device adopts all technical solutions of all the foregoing embodiments, the extended display device at least has all the beneficial effects brought by the technical solutions of the foregoing embodiments, and details are not repeated herein.
The present invention further provides an extended display, which includes the extended display motherboard and the extended display apparatus, and the specific structure of the extended display motherboard refers to the above embodiments, and since the extended display employs all technical solutions of all the above embodiments, the extended display at least has all beneficial effects brought by the technical solutions of the above embodiments, and details are not repeated herein.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An extended display main board is applied to an extended display, and is characterized by comprising:
a bidirectional interface;
the signal processing assembly is electrically connected with the bidirectional interface and used for analyzing the signals received by the bidirectional interface and outputting first display signals;
the first signal conversion assembly is electrically connected with the signal processing assembly and is used for converting the first display signal into a second display signal to be output;
the first signal conversion component is electrically connected with the first signal conversion component and used for converting the received second display signal into an MIPI signal and outputting the MIPI signal;
and the MIPI is electrically connected with the second signal conversion component and used for outputting the accessed MIPI signal to a display screen.
2. The extended display motherboard of claim 1 wherein said bidirectional interface is one of a lightning interface or a Type-C interface.
3. The extended display motherboard of claim 1 wherein the first display signal is one of a DP signal, an HDMI signal, or a DVI signal.
4. The extended display motherboard of claim 1 wherein the second display signal is one of an LVDS signal or an EDP signal.
5. The extended display motherboard of claim 1, wherein the extended display is further electrically connected to a mouse, a keyboard, or other USB peripherals, and further comprising a USB expansion component, the USB expansion component being electrically connected to the signal processing component;
the signal processing assembly is also used for analyzing the received first Type-C signal and outputting a corresponding first USB signal;
the USB expansion component is used for expanding the received first USB signal into a plurality of second USB signals and outputting the second USB signals to a mouse, a keyboard or other USB peripherals, or receiving and outputting third USB signals output by the mouse, the keyboard or other USB peripherals;
the signal processing component is further used for outputting a corresponding second Type-C signal according to the received third USB signal;
the bidirectional interface is further used for outputting the received second Type-C signal to Type-C signal output equipment.
6. The extended display motherboard of claim 5, further comprising a touch component and a third signal conversion component, wherein the third signal conversion component is electrically connected to the touch component and the bidirectional interface respectively;
the touch component is used for triggering a touch signal;
the third signal conversion assembly is used for receiving the touch signal and converting the touch signal into a second Type-C signal to be output;
the bidirectional interface is also used for outputting the received second Type-C signal to Type-C signal output equipment.
7. The extended display motherboard of claim 6, wherein the extended display further comprises a speaker, and wherein the extended display motherboard further comprises an audio output component, and the audio output component is electrically connected to the first signal conversion component and the speaker respectively;
the first signal conversion component is also used for analyzing the first display signal and outputting an audio signal;
the audio output component is used for analyzing the received audio signal and outputting the audio signal to the loudspeaker.
8. The extended display motherboard of claim 7 further comprising a power supply component, wherein the power supply component is electrically connected to the bidirectional interface, the signal processing component, the first signal conversion component, the second signal conversion component, the MIPI screen, the USB extension component, the touch component, the third signal conversion component, and the audio output component, respectively, and is configured to access a dc power supply and output a stable output voltage.
9. An extended display device, comprising the extended display main board according to any one of claims 1 to 8.
10. An extended display, comprising the extended display main board according to any one of claims 1 to 8 or the extended display device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441045.2U CN217008198U (en) | 2022-03-01 | 2022-03-01 | Extended display mainboard, extended display device and extended display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441045.2U CN217008198U (en) | 2022-03-01 | 2022-03-01 | Extended display mainboard, extended display device and extended display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217008198U true CN217008198U (en) | 2022-07-19 |
Family
ID=82394985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220441045.2U Active CN217008198U (en) | 2022-03-01 | 2022-03-01 | Extended display mainboard, extended display device and extended display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217008198U (en) |
-
2022
- 2022-03-01 CN CN202220441045.2U patent/CN217008198U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101005094B1 (en) | Mobile terminal device, dongle and external display device having an enhanced video display interface | |
| CN108107975B (en) | Portable docking station | |
| TW563055B (en) | Portable computer having a common connector coupled to a wireless antenna and a modem connector | |
| CN109669659B (en) | Electronic equipment for connecting mobile terminal for data processing | |
| US20120110235A1 (en) | Wire control device and electronic device using the same | |
| CN212229529U (en) | Multifunctional docking station integrating sound card function | |
| US20180364902A1 (en) | Projection Tablet Personal Computer | |
| CN108197055B (en) | Docking station and charging data line with same | |
| CN217008198U (en) | Extended display mainboard, extended display device and extended display | |
| CN111522405A (en) | Mainboard integrating multifunctional TYPE-C interface | |
| CN109271095B (en) | Electronic equipment for connecting mobile terminal for data processing | |
| CN212659071U (en) | Docking station | |
| US11625218B2 (en) | Sound output device, sound output system, and output sound control method with appropriately controllable volume, and recording medium | |
| CN214253055U (en) | Docking station | |
| US20030217205A1 (en) | Wireless portable electronic device capable of receiving | |
| CN217008189U (en) | Display control mainboard, display control system and display | |
| CN210155656U (en) | Interactive flat plate with Type-C interface and interactive flat plate system | |
| CN211786840U (en) | Double-screen touch display and calculation all-in-one machine based on calculation unit | |
| CN210137438U (en) | Multi-functional english listening comprehension equipment | |
| CN219123635U (en) | Docking station | |
| CN212302346U (en) | All-in-one machine mainboard with side-inserted video card slot | |
| CN218886501U (en) | USB-C docking station | |
| CN210181511U (en) | Computer all-in-one machine with type-c interface | |
| CN114676084A (en) | Multifunctional docking station with PD output | |
| CN215897880U (en) | Conference terminal and conference system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |