CN111522405A - Mainboard integrating multifunctional TYPE-C interface - Google Patents
Mainboard integrating multifunctional TYPE-C interface Download PDFInfo
- Publication number
- CN111522405A CN111522405A CN201910106819.9A CN201910106819A CN111522405A CN 111522405 A CN111522405 A CN 111522405A CN 201910106819 A CN201910106819 A CN 201910106819A CN 111522405 A CN111522405 A CN 111522405A
- Authority
- CN
- China
- Prior art keywords
- data
- unit
- interface
- type
- switching unit
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 108700025151 PD protocol Proteins 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/184—Mounting of motherboards
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Power Sources (AREA)
Abstract
The invention discloses a mainboard integrated with a multifunctional TYPE-C interface, which comprises a main control unit, a data function switching unit, a data distribution unit, a data switching unit, a power supply conversion unit and a touch frame, wherein the main control unit is used for controlling the main control unit to work; the data function switching unit, the data distribution unit, the data switching unit and the power conversion unit are all connected with a TYPE-C interface, the data function switching unit, the data switching unit and the touch frame are respectively connected with the main control unit, and the data function switching unit is connected with the data distribution unit, the data switching unit and the power conversion unit; the touch frame is also connected with the data switching unit. The invention can realize the functions of 4K audio and video transmission, USB3.0 and USB2.0, charging, touch following and USB Device following by connecting through a TYPE-C wire; the wire rod connection is reduced, the use cost is reduced, and the use efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to a mainboard integrated with a multifunctional TYPE-C interface.
Background
In recent years, the TYPE-C interface is not divided into positive and negative insertion, the interface is small, the bandwidth is high, and the characteristics of quick charging and the like enable the TYPE-C interface to have better use experience compared with other interfaces. Most of displays supporting the TYPE-C interface in the market at present only support 4K audio and video transmission and power supply functions. However, as the touch integrated machine/touch display develops more and more rapidly in the conference and education fields, the touch following and USB Device following functions become more and more important, and the two functions can be integrated through the TYPE-C interface; people typically purchase docking stations to implement a multi-function docking with TYPE-C interface computers, yet still require many wires to connect to the display. Therefore, the multifunctional TYPE-C interface is integrated on the mainboard of the touch all-in-one machine/touch display, multifunctional expansion is carried out on the touch all-in-one machine/touch display, only one TYPE-C interface is needed outside, other interfaces and wires are omitted, and user experience is greatly improved.
Particularly, the touch following function can be realized by accurately touching the computer through the touch frame, and on a computer without a TYPE-C interface, the touch operation on the computer can be realized by carrying out audio and video transmission through an HDMI (high-definition multimedia interface) line and then connecting an A/B (analog/digital) port USB (universal serial bus) line. On a computer with a TYPE-C interface, one TYPE-C line is connected, so that the touch operation can be realized while the 4K audio and video transmission is carried out. Future computers will provide fewer and fewer kinds of external interfaces, for example, the existing apple macbook pro full body has only two TYPE-C interfaces.
Disclosure of Invention
In view of the above, the main object of the present invention is to provide a motherboard with an integrated multifunctional TYPE-C interface.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the embodiment of the invention provides a mainboard integrated with a multifunctional TYPE-C interface, which comprises a main control unit, a data function switching unit, a data distribution unit, a data switching unit, a power supply conversion unit and a USB touch frame, wherein the main control unit is connected with the data function switching unit;
the main control unit is used for receiving and outputting audio and video data; the touch frame is also used for receiving touch original data fed back by the touch frame, determining coordinate data according to the touch original data and then sending the coordinate data to the touch frame;
the data function switching unit is used for judging whether the plug of the TYPE-C interface is plugged or not according to the CC data line and then controlling the data distribution unit to route the audio and video data to the main control unit through the I2C control signal to output the audio and video data to the main control unit; the power conversion unit is also used for controlling the power supply to the TYPE-C interface through the control signal;
the data distribution unit is used for outputting the audio and video data to the main control unit by the route of the audio and video data after receiving the I2C control signal of the data function switching unit;
the data switching unit is used for communicating the touch feedback of the accessed touch frame, the data reading of the USB storage device and/or the following feedback of the USB storage device with the TYPE-C interface;
the power supply conversion unit is used for supplying power to the TYPE-C interface after receiving the GPIO control signal;
the touch frame is used for feeding back touch original data to the main control unit and communicating coordinate data fed back by the main control unit with the TYPE-C interface through the data switching unit.
In the above scheme, the USB hub is further included, and is used for accessing the touch frame and/or the USB storage device.
In the above scheme, the device further comprises a DP-to-HDMI unit;
the data distribution unit is used for distributing the audio and video data to the DP-to-HDMI unit;
and the DP-to-HDMI unit is used for converting the audio and video data into signals IN an HDMI format and outputting the signals to an HDMI IN interface of the main control chip.
In the foregoing solution, the data allocation unit is specifically configured to exchange USB3.0 data by using an Rx/Tx line according to a data TYPE of communication between the data function switching unit and the TYPE-C interface;
the data switching unit is specifically used for communicating with a TYPE-C interface through a D +/D-line during touch feedback of an accessed touch frame, reading data of a storage device with USB storage device being USB2.0 through the D +/D-line and communicating with the TYPE-C interface, and communicating with the following feedback of the USB storage device through the D +/D-line and the TYPE-C interface.
The embodiment of the invention also provides a mainboard integrated with the multifunctional TYPE-C interface, which comprises a main control unit, a data function switching unit, a data distribution unit, a data switching unit, a power supply conversion unit and a touch frame, wherein the main control unit is used for controlling the main control unit to control the main control; the data function switching unit, the data distribution unit, the data switching unit and the power conversion unit are all connected with a TYPE-C interface, the data function switching unit, the data switching unit and the touch frame are respectively connected with the main control unit, and the data function switching unit is connected with the data distribution unit, the data switching unit and the power conversion unit; the touch frame is also connected with the data switching unit.
In the above scheme, the mobile terminal further comprises a USB hub, the touch frame and/or the USB storage device is connected to the USB hub, and the USB hub is connected to the data switching unit.
IN the above scheme, the device further comprises a DP-to-HDMI unit, one path of the data distribution unit is connected to the HDMI IN interface of the main control chip through the DP-to-HDMI unit, and the other path of the data distribution unit is connected to USB3.0HOST of the main control chip.
In the scheme, the power supply conversion unit supplies power to the TYPE-C interface through the MOS chip; the data function switching unit controls the voltage and the current of the MOS chip and the TYPE-C interface communication through a GIPO control signal, and controls the power supply switching unit through an I2C control signal.
Compared with the prior art, the invention can realize the functions of 4K audio and video transmission, USB3.0 and USB2.0, charging, touch following and USB Device following by connecting through a TYPE-C wire; the wire rod connection is reduced, the use cost is reduced, and the use efficiency is improved.
Drawings
Fig. 1 is a schematic connection diagram of a motherboard integrated with a multifunctional TYPE-C interface according to an embodiment of the present invention;
fig. 2 is a connection block diagram of a motherboard integrated with a multifunctional TYPE-C interface according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a motherboard integrated with a multifunctional TYPE-C interface according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a mainboard integrated with a multifunctional TYPE-C interface, which comprises a main control unit 1, a data function switching unit 2, a data distribution unit 3, a data switching unit 4, a power supply conversion unit 5 and a USB touch frame 6, wherein the main control unit is connected with the data function switching unit 2;
the main control unit 1 is used for receiving audio and video data and outputting the audio and video data; the touch screen is also used for receiving touch original data fed back by the touch frame 6, determining coordinate data according to the touch original data and then sending the coordinate data to the touch frame 6;
the data function switching unit 2 is used for judging whether the plug of the TYPE-C interface is plugged in a positive or negative direction according to the CC data line, and controlling the data distribution unit 3 to route the audio and video data through the I2C control signal to output the audio and video data to the main control unit 1; the power conversion unit 5 is also used for controlling the power supply to the TYPE-C interface through a control signal;
the data distribution unit 3 is used for receiving the I2C control signal of the data function switching unit 2 and then outputting the audio and video data to the main control unit 1 through the route of the audio and video data;
the data switching unit 4 is used for communicating the touch feedback of the accessed touch frame 6, the data reading of the USB storage device and/or the following feedback of the USB storage device with the TYPE-C interface;
the power supply conversion unit 5 is used for supplying power to the TYPE-C interface after receiving the GPIO control signal;
the touch frame 6 is used for feeding back touch original data to the main control unit 1, and then communicating coordinate data fed back by the main control unit 1 with the TYPE-C interface through the data switching unit 4.
Further, a USB hub 7 is included for accessing the touch frame 6 and/or USB storage devices.
Further, a DP-to-HDMI unit 8 is also included;
the data distribution unit 3 is used for distributing the audio and video data to the DP-to-HDMI unit 8;
the DP-to-HDMI unit 8 is configured to convert the audio/video data into a signal IN an HDMI format and output the signal to the HDMI IN 11 interface of the main control chip 1.
The data distribution unit 3 is specifically configured to exchange USB3.0 data by using an Rx/Tx line according to a data TYPE of the data function switching unit 3 in communication with the TYPE-C interface;
the data switching unit 4 is specifically used for communicating the touch feedback of the accessed touch frame 6 with a TYPE-C interface through a D +/D-line, reading data of a storage device with USB storage device being USB2.0 through the D +/D-line and the TYPE-C interface, and communicating the following feedback of the USB storage device with the TYPE-C interface through the D +/D-line.
The embodiment of the present invention further provides a motherboard integrated with a multifunctional TYPE-C interface, as shown in fig. 3, including a main control unit 1, a data function switching unit 2, a data distribution unit 3, a data switching unit 4, a power conversion unit 5, and a touch frame 6; the data function switching unit 2, the data distribution unit 3, the data switching unit 4 and the power conversion unit 5 are all connected with a TYPE-C interface, the data function switching unit 2, the data switching unit 4 and the touch frame 6 are respectively connected with the main control unit 1, and the data distribution unit 3 is respectively connected with the data function switching unit 2, the data switching unit 4 and the power conversion unit 5; the touch frame 6 is also connected with the data switching unit 4.
Further, the USB interface device further comprises a USB hub 7, the touch frame 6 and/or the USB storage device are connected with the USB hub 7, and the USB hub 7 is connected with the data switching unit 4.
Further, the device further comprises a DP-to-HDMI unit 8, wherein one path of the data distribution unit 3 is connected to the HDMI IN 11 interface of the main control chip 1 through the DP-to-HDMI unit 8, and the other path is connected to USB3.0HOST12 of the main control chip 1.
The power supply conversion unit 5 supplies power to the TYPE-C interface through the MOS chip 9; the data function switching unit 2 controls the voltage and current of the MOS chip 9 communicating with the TYPE-C interface through the GIPO control signal, and controls the power conversion unit 5 through the I2C control signal.
According to the invention, a TYPE-C docking station or a single-function interface converter is not required to be purchased independently, 4K/60Hz video display can be realized by connecting a TYPE-C line with a TYPE-C interface computer (apple MacBook Pro), touch following and USB device following can be realized by omitting a USB touch line, a charger is omitted, and the display provides the highest 20V/3A and 60W power supply for charging the computer. The TYPE-C interface can also be connected with USB device equipment of USB2.0/USB3.0 for the display mainboard to recognize and read.
For audio and video transmission functions, the TYPE-C interface realizes highest 20160P/60Hz audio and video transmission through two sets of Rx/Tx lines IN the interface, as shown IN the DP IN part of fig. 2, after the PD3.0 Control chip judges whether the CC Data line is inserted or not, the Switch chip is controlled by the I2C protocol to perform Data routing (Data Role), the Data is converted into the HDMI chip through the DP, and then the HDMI signal of 4K60Hz can be output to the HDMI receiving unit of the motherboard chip, and then the picture is displayed on the screen without external HDMI signal lines.
Aiming at the power transmission function, the TYPE-C interface integrated on the mainboard supplies power to the outside, and the role is Source, and supplies power to the outside through Vbus. As shown in the VBUS portion of fig. 3, the power board directly supplies power without being externally connected to another power source; according TO the condition of the allowable charging power of the connected computer, the DC TO DC supplies power TO the MOS chip, the PD3.0 Control chip controls the power supply with the highest power of 20V/3A 60W between the MOS chip and the TYPE-C interface through the GPIO port, so that the device connected with the TYPE-C interface can be charged, and the charging state of the device can be still kept under the condition that the device is not connected with a power adapter.
To the touch function of following, touch frame 6 adopts solitary hardware also can be integrated touch function's display, and the feedback that the touch was followed passes through D +/D-line and TYPE-C interface communication, and the joint of TYPE-C interface is positive and negative to be inserted and is not influenced. When the information source is switched to the TYPE-C interface, the PD3.0 Control chip controls the switching USB2.0SWITCH chip to be conducted through the GPIO interface, then the computer can recognize the touch frame 6 and respond to the touch.
The process of responding to a touch is as follows:
1. when there is a touch, the touch frame 6 collects raw data, and cannot be used as X and Y coordinate data.
2. The touch frame sends the original data to the display main control chip, corresponding X and Y coordinate data are calculated through an algorithm KO, and then the data are returned to the touch frame 6.
3. The touch frame outputs the X and Y coordinate data to a TYPE-C interface (namely, the X and Y coordinate data are fed back to a computer);
4. the computer responds to the touch.
For the following function of the USB Device, the following principle of the USB Device is the same as the touch following principle, as shown in part HS of FIG. 3, USB2.0HUB is connected with the 2.0 USB Device, and the computer connected with the TYPE-C interface can recognize and read the USB Device. Other types of USB2.0 devices can also be used for computer identification.
For the USB3.0 read/write function, as shown IN the SS IN part of fig. 3, the PD3.0 Control chip confirms that the inserted USB3.0 device is the USB3.0 device through the PD protocol, and then controls the data Switch chip to route which Rx/Tx is going to be used for data transmission. After the mainboard identifies the USB Device, the USB Device reading and writing with 3.0 speed can be realized.
The main board of the invention can be applied to equipment such as a display or a TV box.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A mainboard integrated with a multifunctional TYPE-C interface is characterized by comprising a main control unit, a data function switching unit, a data distribution unit, a data switching unit, a power supply conversion unit and a USB touch frame;
the main control unit is used for receiving and outputting audio and video data; the touch frame is also used for receiving touch original data fed back by the touch frame, determining coordinate data according to the touch original data and then sending the coordinate data to the touch frame;
the data function switching unit is used for judging whether the plug of the TYPE-C interface is plugged or not according to the CC data line and then controlling the data distribution unit to route the audio and video data to the main control unit through the I2C control signal to output the audio and video data to the main control unit; the power conversion unit is also used for controlling the power supply to the TYPE-C interface through the control signal;
the data distribution unit is used for outputting the audio and video data to the main control unit by the route of the audio and video data after receiving the I2C control signal of the data function switching unit;
the data switching unit is used for communicating the touch feedback of the accessed touch frame, the data reading of the USB storage device and/or the following feedback of the USB storage device with the TYPE-C interface;
the power supply conversion unit is used for supplying power to the TYPE-C interface after receiving the GPIO control signal;
the touch frame is used for feeding back touch original data to the main control unit and communicating coordinate data fed back by the main control unit with the TYPE-C interface through the data switching unit.
2. The motherboard integrated with a multifunctional TYPE-C interface of claim 1, further comprising a USB hub for accessing a touch frame and/or a USB memory device.
3. The motherboard integrated with a multifunctional TYPE-C interface according to claim 1 or 2, further comprising a DP to HDMI unit;
the data distribution unit is used for distributing the audio and video data to the DP-to-HDMI unit;
and the DP-to-HDMI unit is used for converting the audio and video data into signals in an HDMI format and outputting the signals to an HDMIIN interface of the main control chip.
4. The motherboard with an integrated multifunctional TYPE-C interface according to claim 3, wherein the data distribution unit is specifically configured to exchange USB3.0 data using an Rx/Tx line according to a data TYPE of the data function switching unit communicating with the TYPE-C interface;
the data switching unit is specifically used for communicating with a TYPE-C interface through a D +/D-line during touch feedback of an accessed touch frame, reading data of a storage device with USB storage device being USB2.0 through the D +/D-line and communicating with the TYPE-C interface, and communicating with the following feedback of the USB storage device through the D +/D-line and the TYPE-C interface.
5. A mainboard integrated with a multifunctional TYPE-C interface is characterized by comprising a main control unit, a data function switching unit, a data distribution unit, a data switching unit, a power supply conversion unit and a touch frame; the data function switching unit, the data distribution unit, the data switching unit and the power conversion unit are all connected with a TYPE-C interface, the data function switching unit, the data switching unit and the touch frame are respectively connected with the main control unit, and the data function switching unit is connected with the data distribution unit, the data switching unit and the power conversion unit; the touch frame is also connected with the data switching unit.
6. The motherboard with an integrated multifunctional TYPE-C interface of claim 6, further comprising a USB hub, wherein the touch frame and/or the USB storage device is connected with the USB hub, and the USB hub is connected with the data switching unit.
7. The main board of claim 6 or 7, further comprising a DP-to-HDMI unit, wherein one path of the data distribution unit is connected to the HDMI IN interface of the main control chip via the DP-to-HDMI unit, and the other path is connected to the USB3.0HOST of the main control chip.
8. The motherboard integrated with a multifunctional TYPE-C interface of claim 8, wherein the power conversion unit supplies power to the TYPE-C interface through a MOS chip; the data function switching unit controls the voltage and the current of the MOS chip and the TYPE-C interface communication through a GIPO control signal, and controls the power supply switching unit through an I2C control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106819.9A CN111522405A (en) | 2019-02-02 | 2019-02-02 | Mainboard integrating multifunctional TYPE-C interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106819.9A CN111522405A (en) | 2019-02-02 | 2019-02-02 | Mainboard integrating multifunctional TYPE-C interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111522405A true CN111522405A (en) | 2020-08-11 |
Family
ID=71900734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910106819.9A Pending CN111522405A (en) | 2019-02-02 | 2019-02-02 | Mainboard integrating multifunctional TYPE-C interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111522405A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306292A (en) * | 2020-10-26 | 2021-02-02 | 广州朗国电子科技有限公司 | Unified compatible method and device for multiple touch interfaces, storage medium and all-in-one machine |
| CN113608583A (en) * | 2021-08-25 | 2021-11-05 | 乐歌人体工学科技股份有限公司 | Display support |
| CN113946307A (en) * | 2021-10-22 | 2022-01-18 | 广州禹龙信息科技有限公司 | Embedded cloud all-in-one convenient to maintain |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205071173U (en) * | 2015-09-21 | 2016-03-02 | 深圳市昂纬科技开发有限公司 | Signal conversion system based on USBType -C interface |
| CN106792273A (en) * | 2017-01-06 | 2017-05-31 | 深圳市亿道数码技术有限公司 | A kind of TYPE C powers and HUB integrated line concentration system and its operation method |
| CN107046629A (en) * | 2016-12-27 | 2017-08-15 | 康佳集团股份有限公司 | A kind of Split TV set and its control method |
| CN107506322A (en) * | 2017-09-21 | 2017-12-22 | 深圳朗田亩半导体科技有限公司 | Realize Type C adapters, the passage control method of USB device detection |
| CN206892749U (en) * | 2017-07-12 | 2018-01-16 | 广州视源电子科技股份有限公司 | Integrated machine |
| CN209460695U (en) * | 2019-02-02 | 2019-10-01 | 深圳富创通科技有限公司 | A kind of mainboard of integrated multifunction TYPE-C interface |
-
2019
- 2019-02-02 CN CN201910106819.9A patent/CN111522405A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205071173U (en) * | 2015-09-21 | 2016-03-02 | 深圳市昂纬科技开发有限公司 | Signal conversion system based on USBType -C interface |
| CN107046629A (en) * | 2016-12-27 | 2017-08-15 | 康佳集团股份有限公司 | A kind of Split TV set and its control method |
| CN106792273A (en) * | 2017-01-06 | 2017-05-31 | 深圳市亿道数码技术有限公司 | A kind of TYPE C powers and HUB integrated line concentration system and its operation method |
| CN206892749U (en) * | 2017-07-12 | 2018-01-16 | 广州视源电子科技股份有限公司 | Integrated machine |
| CN107506322A (en) * | 2017-09-21 | 2017-12-22 | 深圳朗田亩半导体科技有限公司 | Realize Type C adapters, the passage control method of USB device detection |
| CN209460695U (en) * | 2019-02-02 | 2019-10-01 | 深圳富创通科技有限公司 | A kind of mainboard of integrated multifunction TYPE-C interface |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306292A (en) * | 2020-10-26 | 2021-02-02 | 广州朗国电子科技有限公司 | Unified compatible method and device for multiple touch interfaces, storage medium and all-in-one machine |
| CN112306292B (en) * | 2020-10-26 | 2021-08-27 | 广州朗国电子科技有限公司 | Unified compatible method and device for multiple touch interfaces, storage medium and all-in-one machine |
| CN113608583A (en) * | 2021-08-25 | 2021-11-05 | 乐歌人体工学科技股份有限公司 | Display support |
| CN113946307A (en) * | 2021-10-22 | 2022-01-18 | 广州禹龙信息科技有限公司 | Embedded cloud all-in-one convenient to maintain |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108259803B (en) | Electronic terminal device, television terminal, signal input circuit and method | |
| US10074342B2 (en) | Head-wearable display device connectable to a portable terminal | |
| US20110294359A1 (en) | Connector and interface device | |
| US9148001B1 (en) | Intelligent cable mechanism | |
| CN112671084B (en) | USB device and operation method thereof | |
| US20120122348A1 (en) | Connector and interface device | |
| CN111031371B (en) | Single-line screen projection system and method | |
| CN111522405A (en) | Mainboard integrating multifunctional TYPE-C interface | |
| CN108736281B (en) | Three-in-one multimedia line and electronic drawing board system | |
| EP3796484A1 (en) | Connector, and charging control method using connector | |
| CN106253013A (en) | A kind of adapter | |
| US10942553B2 (en) | Display device | |
| CN205265858U (en) | TV set of configuration USB interface adapter | |
| CN111224438A (en) | Electronic device with universal sequence bus C-type connector | |
| CN207518016U (en) | Wireless charging built-up circuit and device | |
| CN213151196U (en) | Signal adapter | |
| CN210223511U (en) | Display driving board | |
| CN207529672U (en) | Harddisk storage device | |
| CN210155656U (en) | Interactive flat plate with Type-C interface and interactive flat plate system | |
| CN217904525U (en) | Signal converter, docking station and electronic equipment | |
| CN209460695U (en) | A kind of mainboard of integrated multifunction TYPE-C interface | |
| CN218825507U (en) | Dual-interface device and projection equipment | |
| CN216873301U (en) | Interface circuit, intelligent glasses and control system | |
| CN216391231U (en) | Docking station with double video interfaces | |
| CN112086830B (en) | Data line circuit communicating with iOS device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |