CN107273323B - USB Type-C switching multimedia interface's device - Google Patents
USB Type-C switching multimedia interface's device Download PDFInfo
- Publication number
- CN107273323B CN107273323B CN201710404267.0A CN201710404267A CN107273323B CN 107273323 B CN107273323 B CN 107273323B CN 201710404267 A CN201710404267 A CN 201710404267A CN 107273323 B CN107273323 B CN 107273323B
- Authority
- CN
- China
- Prior art keywords
- chip
- usb type
- interface
- functional pin
- pin
- 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
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000004891 communication Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 30
- 101000801891 Homo sapiens Thioredoxin, mitochondrial Proteins 0.000 claims description 3
- 101150061874 TXN gene Proteins 0.000 claims description 3
- -1 TXP2 Proteins 0.000 claims description 3
- 102100034795 Thioredoxin, mitochondrial Human genes 0.000 claims description 3
- 238000004846 x-ray emission Methods 0.000 claims description 3
- 102100034088 40S ribosomal protein S4, X isoform Human genes 0.000 abstract description 3
- 101000732165 Homo sapiens 40S ribosomal protein S4, X isoform Proteins 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 39
- 238000000034 method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- 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
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
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)
- Information Transfer Systems (AREA)
Abstract
The invention provides a device for switching a USB Type-C multimedia interface, which finishes power supply and data communication through a CCG2 main control chip of the Seplacian, adopts a Type-C chip CY7C65210 with an alternate mode and is matched with a USB Type-C controller to realize real-time control of data, thereby facilitating data conversion between the USB Type-C and an HDMI/DVI, realizing the extended function of the USB Type-C and realizing the compatibility of a novel interface and the multimedia interface.
Description
Technical Field
The invention relates to the field of servers and interfaces, in particular to a device for switching a USB Type-C multimedia interface of a server.
Background
Universal Serial Bus (USB) is a serial bus standard for connecting computer systems and peripheral devices, is also a technical specification of input/output interfaces, and is widely used in information communication products such as server personal computers and mobile devices
High Definition Multimedia Interface (HDMI) and Digital Video Interface (DVI) are digital video interface technologies, which employ Transition Minimized Differential Signaling (TMDS), which supports transmission rates up to 225MHz, and a transmission link that can satisfy television signals with resolutions up to 2048 x 1536, and are commonly used in high definition multimedia devices.
The novel USB Type-C interface is thin, can be turned over and plugged, has higher transmission speed, is provided with a bidirectional cable and the like, and is a big remarkable hand in the field of consumer electronics, and almost all novel flagship electronic products adopt the novel interface in 2016.
Overall, characteristics of USBType-C include:
the function of inserting from the front and the back is supported;
the maximum data transmission speed reaches 10Gbps, is also the standard of USB3.1 and is compatible with the USB2.0 standard;
the standard specification connecting wire provided with the Type-C connector can pass 3A current, simultaneously supports USBPD exceeding the existing USB power supply capacity and can provide 100W maximum power;
DisplayPort alternate mode, supporting resolutions up to 4K Ultra High Definition (UHD) and even 8K.
In the server field, this interface uses serious hysteresis, most equipment stops at ordinary USB interface, do not use novel USBType-C interface on a large scale, do not study its reason, it is relatively slow at enterprise level market product renewal cycle, this novel interface fails to satisfy most old equipment in the aspect of the compatibility, nevertheless along with the development of science and technology, novel interface Type-C relies on thin, can overturn plug and higher transmission speed and characteristics such as two-way cable will popularize in a large number between next generation's server, consequently an urgent need for a section multi-functional equipment to realize novel interface and conventional HDMI/DVI multimedia interface interconnection.
Disclosure of Invention
In order to solve the above technical problem, the present invention provides a device for switching a USB Type-C multimedia interface of a server, which comprises:
server USBType-C switching multimedia interface's device, including USBType-C interface chip, HDMI/DVI multimedia interface chip, interface data conversion chip, the control unit, wherein the control unit includes USBType-C controller chip and USBType-C chip, USBType-C controller chip accomplishes the power supply of USBType-C interface chip and with HDMI/DVI multimedia chip's data communication, USBType-C chip realizes the real-time control of conversion data through alternative mode fit USBType-C controller chip, HDMI/DVI multimedia interface chip is connected to USBType-C interface chip through interface data conversion chip and accomplishes data conversion and demonstration.
Further, the VDDD functional pin of the USBType-C controller chip is grounded through a fourth capacitor, the first GPIO functional pin and the second GPIO functional pin of the USBType-C controller chip are respectively connected with the first GPIO functional pin and the second GPIO functional pin of the USBType-C chip, the VSSA functional pin and the VSSD functional pin of the USBType-C controller chip are grounded, the VBUS functional pin of the USBType-C controller chip is connected with the VBUS functional pin of the USBType-C interface chip, the nXRES functional pin of the USBTES functional pin of the USBTE-C controller chip is connected with the third GPIO functional pin of the USBTES functional pin of the USBTE-C controller chip, the VCCD functional pin of the USBTE-C controller chip is grounded through a third capacitor, the USBDP functional pin of the USBTP functional pin is connected with the D + functional pin of the USBTM functional pin of the USBTE-C interface chip, and the USBTM functional pin of the USBTM, the CC1 functional pin and RD1 functional pin of the USB Type-C chip are connected with the CC functional pin of the USB Type-C interface chip, the VCONN1 functional pin of the USB Type-C chip is grounded through a second capacitor and is connected with the VCONN functional pin of the USB Type-C interface chip, the first VDDD functional pin of the USB Type-C chip is grounded through a first capacitor and is connected with the second VDDD functional pin of the USB Type-C chip, the VCCD functional pin of the USB Type-C chip is grounded through a sixth capacitor, the VDDIO functional pin of the USB Type-C chip is connected with 3.3V voltage, the fourth GPIO functional pin of the USB Type-C chip is connected with the HOTPLUG functional pin of the interface data conversion chip, the XRES functional pin of the USB Type-C chip is connected with VCC through a third resistor, the DATE1, DATE2, TE3, DATE4, DATE5, TE 4623, SBTE 24, SBTE 539 USB Type-C chip is connected with the SBTE functional pin of the USB Type-C interface chip, the SBTE 1, SBTE 1U 2 conversion pin is connected with the interface data conversion chip, the SBTE 632U 2U conversion chip, IO1_2, IO1_3, IO1_4, IO1_5, IO1_6, IO1_7, IO1_8, SBU1, SBU2 function pins, GND function pin of USB Type-C interface chip ground, VCC function pin of interface data conversion chip VCC function ground VCC function, VDD function pin of interface data conversion chip VDD ground, GND function pin ground of interface data conversion chip, TXP1, TXN1, TXP2, TXN2, TXP3, TXN3, TXP4, TXN4 function pins of HDMI/DVI multimedia interface chip TXDD 2_ P, TXD2_ N, TXD1_ P, TXD1_ N, TXD0_ P, TXD0_ N, TXC0_ P, TX C0_ N function pin, HDMI/multimedia interface chip function pin ground, VDD function pin of DVI/multimedia interface chip VDD.
Further, the USBType-C controller chip adopts a CY7C65210 chip.
Further, a CYPD2119 chip is adopted as the USB Type-C chip.
Further, the D + functional pin and the D-functional pin of the USB Type-C interface chip are compatible with the standard before USB 2.0.
Furthermore, the first capacitor, the second capacitor, the third capacitor, the fourth capacitor and the sixth capacitor are all 0.1 muF.
Further, the third resistor is 10K Ω.
The invention can realize the interconnection of a novel interface and a conventional HDMI/DVI multimedia interface, and the device can also realize the interconnection between PC and other consumer products, thereby enhancing the popularization of Type-C and improving the utilization rate of equipment.
Drawings
Fig. 1 is a block diagram illustrating a USB Type-C interface adapter according to the present invention.
Fig. 2 is a circuit diagram of the USB Type-C interface adapter.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the specific embodiments in the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a block diagram illustrating a USB Type-C interface adapter according to the present invention.
As shown in fig. 1, the apparatus for switching the USB Type-C multimedia interface of the server according to the embodiment of the present invention includes a USB Type-C interface chip, an HDMI/DVI multimedia interface chip, an interface data conversion chip, and a control unit, where the control unit includes a USB Type-C controller chip and a USB Type-C chip, the USB Type-C controller chip completes power supply of the USB Type-C interface chip and data communication with the HDMI/DVI multimedia chip, the USB Type-C chip cooperates with the USB Type-C controller chip through an alternate mode to implement real-time control of data conversion, and the HDMI/DVI multimedia interface chip is connected to the USB Type-C interface chip through the interface data conversion chip to complete data conversion and display.
Fig. 2 is a circuit diagram of the USB Type-C interface adapter.
As shown in FIG. 2, VDDD function pin of the USBType-C controller chip is grounded via a fourth capacitor, the first GPIO function pin and the second GPIO function pin of the USBType-C controller chip are respectively connected with the first GPIO function pin and the second GPIO function pin of the USBType-C chip, the VSSA function pin and the VSSD function pin of the USBType-C controller chip are grounded, the VBUS function pin of the USBType-C controller chip is connected with the VBUS function pin of the USBType-C interface chip, the nXRES function pin of the USBTES function pin is connected with the third GPIO function pin of the USBTE-C controller chip, the VCCD function pin of the USBTE-C controller chip is grounded via a third capacitor, the USBDP function pin of the USBTM function pin is connected with the D function pin of the USBTM function pin, the CC1 functional pin and RD1 functional pin of the USB Type-C chip are connected with the CC functional pin of the USB Type-C interface chip, the VCONN1 functional pin of the USB Type-C chip is grounded through a second capacitor and is connected with the VCONN functional pin of the USB Type-C interface chip, the first VDDD functional pin of the USB Type-C chip is grounded through a first capacitor and is connected with the second VDDD functional pin of the USB Type-C chip, the VCCD functional pin of the USB Type-C chip is grounded through a sixth capacitor, the VDDIO functional pin of the USB Type-C chip is connected with 3.3V voltage, the fourth GPIO functional pin of the USB Type-C chip is connected with the HOTPLUG functional pin of the interface data conversion chip, the XRES functional pin of the USB Type-C chip is connected with VCC through a third resistor, the DATE1, DATE2, TE3, DATE4, DATE5, TE 4623, SBTE 24, SBTE 539 USB Type-C chip is connected with the SBTE functional pin of the USB Type-C interface chip, the SBTE 1, SBTE 1U 2 conversion pin is connected with the interface data conversion chip, the SBTE 632U 2U conversion chip, IO1_2, IO1_3, IO1_4, IO1_5, IO1_6, IO1_7, IO1_8, SBU1, SBU2 function pins, GND function pin of USB Type-C interface chip ground, VCC function pin of interface data conversion chip VCC function ground VCC function, VDD function pin of interface data conversion chip VDD ground, GND function pin ground of interface data conversion chip, TXP1, TXN1, TXP2, TXN2, TXP3, TXN3, TXP4, TXN4 function pins of HDMI/DVI multimedia interface chip TXDD 2_ P, TXD2_ N, TXD1_ P, TXD1_ N, TXD0_ P, TXD0_ N, TXC0_ P, TX C0_ N function pin, HDMI/multimedia interface chip function pin ground, VDD function pin of DVI/multimedia interface chip VDD.
According to an embodiment of the invention, the USB Type-C controller chip adopts a CY7C65210 chip, the CY7C65210 chip is a CCG2 master control chip of the Seplacian, and the overall design includes a USB Type-C interface power supply terminal power supply scheme. The universal serial bus (SCB) integrates an integrated timer and a counter to meet the response time of a usb-pd protocol, and meanwhile, a serial communication module (SCB) is built in the universal serial bus (SCB) and can realize functions of I2C, SPI or UART and the like.
According to an embodiment of the invention, the USBType-C chip adopts a CYPD2119 chip. CY7C65210 is a Type-C chip that supports alternating mode, and it has integrateed a voltage regulator, oscillator and is used for the flash memory of storage, and the real-time control of data can be realized to the cooperation USB Type-C controller, makes things convenient for to carry out data conversion between USB Type-C and the HDMI/DVI.
According to an embodiment of the invention, the D + functional pin and the D-functional pin of the USB Type-C interface chip are used for being compatible with the standard before USB 2.0.
According to an embodiment of the present invention, the first capacitor, the second capacitor, the third capacitor, the fourth capacitor, and the sixth capacitor are all 0.1 μ F.
According to an embodiment of the present invention, the third resistor has a resistance of 10K Ω.
The USB Type-C interface chip carries out data transmission by two groups of TX/RX differential signals, wherein three CC pins have three functions of detecting connection, distinguishing front and back sides and distinguishing DFP and UFP, namely a master-slave mode; vbus is configured, and the Vbus has two modes of USB Type-C and USB Power Delivery; vconn is configured such that when there is a chip in the cable, one cc transmits a signal and one cc becomes the power supply Vconn.
Multimedia interfaces such as HDMI/DVI comprise TMDS signals connected by four differential pairs, the transmission field realizes the fundamental conversion from analog to digital, and the conversion circuit carries out the signal conversion between USB Type-C signals and TMDS signals.
The data conversion is controlled by the main control chip, and the conversion of USB Type-C interface data into multimedia interface data such as HDMI/DVI is completed, so that the expansion function of USB Type-C is realized, and the compatibility of a novel interface and a multimedia interface is realized. The specific implementation method of the invention is that power supply and data communication are completed through a CCG2 main control chip of the Seplacian, a Type-C chip CY7C65210 with an alternate mode is adopted, and real-time control of data is realized by matching with a USB Type-C controller, so that data conversion between the USB Type-C and the HDMI/DVI is facilitated.
Although some aspects have been described in the context of an apparatus, it is clear that these aspects also represent a description of the corresponding method, where a block or device corresponds to a method step or a feature of a method step. Similarly, aspects described in the context of a method step also represent a description of a corresponding block or item or a feature of a corresponding apparatus. Some or all of the method steps may be performed by (or using) hardware means, such as a microprocessor, programmable computer, or electronic circuitry. One or more of the most important method steps may be performed by such means.
The implementation can be performed in hardware or in software or using a digital storage medium, e.g. a floppy disk, a DVD, a blu-ray, a CD, a ROM, a PROM, an EPROM, an EEPROM, or a flash memory, having electronically readable control signals stored thereon, which cooperate (or are capable of cooperating) with a programmable computer system such that the respective method is performed. A data carrier may be provided with electronically readable control signals capable of cooperating with a programmable computer system such that the method described herein is performed.
The described implementations may also take the form of a computer program product with program code means for performing the method when the computer program product runs on a computer. The program code may be stored on a machine readable carrier.
The foregoing description is illustrative only, and it is to be understood that modifications and variations in the arrangements and details described herein will be apparent to those skilled in the art. It is therefore intended that the scope of the appended claims be limited only by the specific details presented by way of the foregoing description and explanation.
Claims (6)
1. A USB Type-C switching multimedia interface device is characterized by comprising a USB Type-C interface chip, an HDMI/DVI multimedia interface chip, an interface data conversion chip and a control unit, wherein the control unit comprises a USB Type-C controller chip and a USB Type-C chip, the USB Type-C controller chip completes power supply of the USB Type-C interface chip and data communication with the HDMI/DVI multimedia chip, the USB Type-C chip is matched with the USB Type-C controller chip through an alternate mode to realize real-time control of conversion data, the HDMI/DVI multimedia interface chip is connected to the USB Type-C interface chip through the interface data conversion chip to complete data conversion and display,
the VDDD functional pin of the USB Type-C controller chip is grounded through a fourth capacitor, the first GPIO functional pin and the second GPIO functional pin of the USB Type-C controller chip are respectively connected with the first GPIO functional pin and the second GPIO functional pin of the USB Type-C chip, the VSSA functional pin and the VSSD functional pin of the USB Type-C controller chip are grounded, the VBUS functional pin of the USB Type-C controller chip is grounded with the VBUS functional pin of the USB Type-C interface chip, the nXRES functional pin of the USB Type-C controller chip is grounded with the third GPIO functional pin of the USB Type-C chip, the VCCD functional pin of the USB Type-C controller chip is grounded through a third capacitor, the USBDP functional pin of the USB Type-C controller chip is grounded with the D + functional pin of the USB Type-C interface chip, the USBDM functional pin of the USB Type-C controller chip is grounded with the D-functional pin of the USB Type-C interface chip, the CC1 functional pin and RD1 functional pin of the USB Type-C chip are connected with the CC functional pin of the USB Type-C interface chip, the VCONN1 functional pin of the USB Type-C chip is grounded through a second capacitor and is connected with the VCONN functional pin of the USB Type-C interface chip, the first VDDD functional pin of the USB Type-C chip is grounded through a first capacitor and is connected with the second VDDD functional pin of the USB Type-C chip, the VCCD functional pin of the USB Type-C chip is grounded through a sixth capacitor, the VDDIO functional pin of the USB Type-C chip is connected with 3.3V voltage, the fourth GPIO functional pin of the USB Type-C chip is connected with the HOTPLUG functional pin of the interface data conversion chip, the XRES functional pin of the USB Type-C chip is connected with VCC through a third resistor, the DATE1, DATE2, TE3, DATE4, DATE5, TE 4623, SBTE 24, SBTE 539 USB Type-C chip is connected with the SBTE functional pin of the USB Type-C interface chip, the SBTE 1, SBTE 1U 2 conversion pin is connected with the interface data conversion chip, the SBTE 632U 2U conversion chip, IO1_2, IO1_3, IO1_4, IO1_5, IO1_6, IO1_7, IO1_8, SBU1, SBU2 function pins, GND function pin of USB Type-C interface chip ground, VCC function pin of interface data conversion chip VCC function ground VCC function, VDD function pin of interface data conversion chip VDD ground, GND function pin ground of interface data conversion chip, TXP1, TXN1, TXP2, TXN2, TXP3, TXN3, TXP4, TXN4 function pins of HDMI/DVI multimedia interface chip TXDD 2_ P, TXD2_ N, TXD1_ P, TXD1_ N, TXD0_ P, TXD0_ N, TXC0_ P, TX C0_ N function pin, HDMI/multimedia interface chip function pin ground, VDD function pin of DVI/multimedia interface chip VDD.
2. The USB Type-C multimedia interface adapter of claim 1, wherein the USB Type-C controller chip is a CY7C65210 chip.
3. The apparatus for USB Type-C switching multimedia interface of claim 1, wherein the USB Type-C chip is a CYPD2119 chip.
4. The apparatus of the USB Type-C adapting multimedia interface according to claim 1, wherein the D + functional pin and the D-functional pin of the USB Type-C interface chip are adapted to be compatible with USB2.0 standard.
5. The USB Type-C multimedia interface adapter of claim 1, wherein the first capacitor, the second capacitor, the third capacitor, the fourth capacitor, and the sixth capacitor are all 0.1 μ F.
6. The apparatus of claim 1, wherein the third resistor has a resistance of 10K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404267.0A CN107273323B (en) | 2017-06-01 | 2017-06-01 | USB Type-C switching multimedia interface's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710404267.0A CN107273323B (en) | 2017-06-01 | 2017-06-01 | USB Type-C switching multimedia interface's device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107273323A CN107273323A (en) | 2017-10-20 |
| CN107273323B true CN107273323B (en) | 2021-01-15 |
Family
ID=60064835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710404267.0A Active CN107273323B (en) | 2017-06-01 | 2017-06-01 | USB Type-C switching multimedia interface's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107273323B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628789A (en) * | 2017-12-11 | 2018-10-09 | 百富计算机技术（深圳）有限公司 | The method, apparatus and USB device that detection USB device is connect with host |
| CN109274903A (en) * | 2018-12-03 | 2019-01-25 | 郑州云海信息技术有限公司 | A kind of server and its video signal output circuit shown for screen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205029143U (en) * | 2015-08-05 | 2016-02-10 | 庄忆芳 | USBType -C conversion module |
| CN205510311U (en) * | 2016-01-27 | 2016-08-24 | 北京小鸟看看科技有限公司 | Sound video output equipment and system |
| CN205681145U (en) * | 2016-05-19 | 2016-11-09 | 安徽芯奇电子科技有限公司 | A kind of Multifunctional portable power source |
| CN205983464U (en) * | 2016-07-21 | 2017-02-22 | 东莞市江涵电子有限公司 | Type four unification integrators of C |
-
2017
- 2017-06-01 CN CN201710404267.0A patent/CN107273323B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205029143U (en) * | 2015-08-05 | 2016-02-10 | 庄忆芳 | USBType -C conversion module |
| CN205510311U (en) * | 2016-01-27 | 2016-08-24 | 北京小鸟看看科技有限公司 | Sound video output equipment and system |
| CN205681145U (en) * | 2016-05-19 | 2016-11-09 | 安徽芯奇电子科技有限公司 | A kind of Multifunctional portable power source |
| CN205983464U (en) * | 2016-07-21 | 2017-02-22 | 东莞市江涵电子有限公司 | Type four unification integrators of C |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107273323A (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108259803B (en) | Electronic terminal device, television terminal, signal input circuit and method | |
| US20160004287A1 (en) | Portable electronic device and power management method thereof | |
| CN110231861B (en) | Method and apparatus for providing power to an electronic device | |
| CN112069101A (en) | Serial bus electrical termination control | |
| EP3234788A1 (en) | DATA TRANSMISSION USING PCIe PROTOCOL VIA USB PORT | |
| JP2011166720A (en) | Motherboard compatible with multiple versions of usb, and related method | |
| CN102203851A (en) | Transmission of alternative content over standard device connectors | |
| CN108228509B (en) | USB interface switching device and electronic equipment | |
| KR102288067B1 (en) | Method for improving data transmissiom speed of an electronic device and an electronic device implementing the same | |
| CN101923532A (en) | USB (universal serial bus) at digital video | |
| US10127178B2 (en) | Coupling system for electronic device | |
| US20170337151A1 (en) | System for Implementing MXM on a PCI Card | |
| CN204576500U (en) | A kind of usb communication circuit of compatible I2C communication and system | |
| CN107273323B (en) | USB Type-C switching multimedia interface's device | |
| CN108459981B (en) | Multifunctional signal conversion circuit and converter | |
| CN205265858U (en) | TV set of configuration USB interface adapter | |
| CN108268411A (en) | The method and mobile terminal of a kind of data transmission | |
| CN213151196U (en) | Signal adapter | |
| CN111522405A (en) | Mainboard integrating multifunctional TYPE-C interface | |
| US10120821B2 (en) | Coupling system for electronic device | |
| CN104182189A (en) | Electronic equipment and information-processing method | |
| US20170220512A1 (en) | Electronic device coupling system | |
| CN211880498U (en) | High-definition signal conversion circuit and signal converter | |
| CN207601785U (en) | External electrical connection interface | |
| CN114694326A (en) | Extended display equipment of face payment equipment and face payment system |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201202 Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Applicant after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 450000 Henan province Zheng Dong New District of Zhengzhou City Xinyi Road No. 278 16 floor room 1601 Applicant before: ZHENGZHOU YUNHAI INFORMATION TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |