132 results about "HDMI" patented technology

The utility model discloses a multi-computer switcher, which relates to the field of remote control equipment, and comprises a shell, a display screen, a control key and an indicator light, the first board card, the HDMI-to-MIPI module and the second board card are arranged in the shell, and the first board card, the HDMI-to-MIPI module and the second board card are stacked and arranged from bottom to top; the first board card is provided with a core processor, the display screen, the control key and the indicator light are all electrically connected with the core processor, one end of the first board card is provided with a USB HID interface, the other end of the first board card is provided with a network port, and the USB HID interface and the network port are both electrically connected with the core processor; the HDMI to MIPI module is provided with an HDMI input interface, and the HDMI input interface is electrically connected with the core processor. According to the utility model, the scheme that the first board card, the HDMI-to-MIPI module and the second board card are stacked is adopted, so that the overall size of the whole machine is smaller, almost no space is wasted, and the precious space of a user is prevented from being occupied.

The utility model relates to the technical field of display equipment, and discloses a display control circuit and display equipment, and the display control circuit comprises a display driving circuit, a Type-C transmission control circuit, an HDMI transmission control circuit and a video signal output circuit. The accessed Type-C signal source is used for supplying power to the display driving circuit and / or transmitting a Type-C input signal; an HDMI input signal is transmitted to the display driving circuit through the HDMI transmission control circuit; a video output signal is transmitted to a video signal output circuit through a display driving circuit according to a received input signal; and projecting the video output signal to a display screen through a video signal output circuit. According to the utility model, various input signals can be received through the Type-C interface and the HDMI interface, and video output signals can be efficiently projected to the display screen, so that diversified display requirements can be met, and diversified equipment can be compatible, and more convenient and diversified display functions can be provided for users.

1. The name of the design product: docking station (14 in 1 HDMI + DP / VGA series). 2. The use of the design product: docking station for charging and data transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This application discloses an HDMI interface test fixture, relating to the field of electronic testing equipment technology. The embodiments of this application utilize a male clamp and a female recessed plate to directly connect the HDMI interface and testing instruments. Combined with test points set on the differential and small signal lines, this enables rapid testing of the HDMI interface's signal quality, connectivity, and power capability during signal transmission without disassembling the device casing. It has the advantages of strong compatibility, ease of operation, and low cost. The HDMI interface test fixture disclosed in this application is suitable for the R&D and debugging phases of HDMI interfaces, as well as the troubleshooting phases of HDMI interfaces.

The utility model discloses an integrated terminal with three types of video output for a collision mitigation system, which comprises an integrated main control board, and a main control chip, a first video processing chip, a second video processing chip, an HDMI external interface, a VGA external interface and a CVBS external interface are integrated on the integrated main control board. The main control chip outputs a first video signal to be connected with the first video processing chip, and the first video processing chip outputs a second video signal to be connected with the second video processing chip; the first video processing chip outputs a first HDMI signal to the HDMI external interface and a VGA signal to the VGA external interface, and the second video processing chip outputs a CVBS signal to the CVBS external interface. According to the integrated terminal, the application scene is widened, the use convenience is improved, the use difficulty and development difficulty are reduced, the integrated terminal is not only suitable for new vehicles, but also suitable for upgrading and reconstruction of old vehicles, a control circuit for three-way video output is reduced, and the hardware cost is reduced.

The present disclosure relates to a device and a method for transmitting information required when a quick media switch (QMS) function is operated in a wired audio / video (AV) transmission standard technology such as HDMI. Specifically, the present disclosure relates to a device and a method for supporting a seamless operation without screen blanking by transferring, in advance, video format change information such as chroma sampling, a pixel format, or a high dynamic range (HDR) format as well as frame rate change information to a sink device by a source device during a QMS operation.

The invention discloses a heterogeneous audio and video independent routing transmission method and device and a storage medium, and relates to the technical field of audio and video signal processing. According to the method, an HDMI signal is decoded at a matrix input side to form a first signal carrying video data and control / auxiliary information and a second signal carrying audio data, and the first signal and the second signal enter a matrix switching module through two sets of independent physical links to realize independent routing of audio and video; and the output end recovers the HDMI video signal frame based on the first signal, recovers the audio interface signal based on the second signal, and re-embeds the recovered audio interface signal into the HDMI video signal frame, thereby realizing independent source selection output of different-source audio and video.

1. Name of the product in this design: HDMI Wireless Transmitter (GT-HDWL50X Design 1-2). 2. Purpose of this design: For HDMI signal transmission. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The application relates to the technical field of electronic information and machine vision, in particular to a real-time visual imaging device and method based on FPGA, which comprises a CMOS image sensor, a FPGA main controller, a display output interface circuit and a clock synchronization circuit. The CMOS image sensor is used for outputting original image data to the FPGA main controller through a high-speed serial link. The FPGA main controller is used for performing receiving analysis and pixel recombination on the original image data to obtain a display pixel stream. The display output interface circuit is used for generating an HDMI display signal according to the display pixel stream and outputting the HDMI display signal to a display device. The clock synchronization circuit is used for synchronizing at least three paths of clocks, so that collection, processing and output are in a homologous clock system. The implementation complexity and potential hidden dangers caused by cross-clock domain processing are significantly reduced.

1. Name of the product in this design: All-fiber optic seating box (CR-uSF HDMI Z800-I). 2. Purpose of this design: For signal input and output of non-IP fiber optic workstations. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model provides an AI computer control circuit based on a domestic processor, which comprises a power supply in power supply connection with a domestic processor main control circuit, and the domestic processor main control circuit is in communication connection with an AI computing circuit and a credible encryption circuit. The output end of the domestic processor main control circuit can also be connected with an electronic device with a WiFi communication function, an electronic device with a Bluetooth communication function, a USB interface electronic device, a Type-C interface electronic device, a mobile storage device, a DP signal display device and a DP signal-to-HDMI signal display device. The domestic processor main control circuit is internally provided with a main control chip U1 with the model of Feiteng D3000M, and the AI calculation circuit is internally provided with an AI calculation chip M2. The computer has the beneficial effects that the computer is extremely adaptive to localization application, the power consumption, the size and the production cost of a low-integration-level computer are greatly reduced, and the safety is higher.

This utility model discloses a KVM switch with screen splitting, belonging to the field of computer technology. The mouse and keyboard interfaces are electrically connected to the computer's VGA and PS / 2 interfaces, with each VGA and PS / 2 interface corresponding to a specific computer host. A VGA-to-HDMI chip also corresponds to a specific computer VGA and PS / 2 interface. The input of the VGA-to-HDMI chip is electrically connected to the corresponding computer host via the VGA and PS / 2 interfaces. The output of the VGA-to-HDMI chip is electrically connected to the input of a video splitting processing chip, which in turn is electrically connected to the input of an HDMI-to-VGA chip. The output of the HDMI-to-VGA chip is electrically connected to the VGA interface of the display screen. The video splitting processing chip communicates with an MCU. This KVM switch with screen splitting solves the problem of complex internal wiring and inconvenient maintenance in existing switchers.

The invention provides a multi-interface parallel ultra-high-definition image real-time processing and control device and method, and belongs to the technical field of image processing, and the device comprises a calculation processing module, a video input interface module, a video output interface module, an industrial automation control interface module and a data storage module. The calculation processing module is connected with the video input interface module, the user control and state indication module, the video output interface module, the industrial automation control interface module and the data storage module; the calculation processing module comprises an FPGA (Field Programmable Gate Array) processing unit and is used for receiving and transmitting data through various interfaces, executing temperature control, receiving multiple paths of video streams, carrying out parallel pipeline processing, outputting a processing result in real time and controlling various automatic mobile platforms; and the video input interface module comprises four HDMI (High Definition Multimedia Interface) 2.0 input interfaces and four Ethernet input interfaces. According to the invention, multiple inputs are compatible, parallel decoding and multi-core processor cooperative processing are realized, and the processing performance is improved.

The invention relates to the technical field of ultrasound, and discloses a display signal output circuit in an ultrasonic product and the ultrasonic product, the circuit comprises a hot plug detection module, a differential signal one-to-two module and an HDMI-to-S-Vedio module, the hot plug detection module detects the in-place state of HDMI and S-Vedio display equipment and feeds back the in-place state to a CPU; the differential signal one-to-two module divides a single-path HDMI differential signal output by the CPU into two paths, one path is directly output to the HDMI display device, and the other path is converted into an S-Vedio signal through the HDMI-to-S-Vedio module and then output to the S-Vedio display device. One HDMI signal source is expanded into two different video signals to be output, the problem that CPU video signals are insufficient is solved, and the circuit is simple in structure, flexible in design and suitable for multi-screen display scenes of ultrasonic products.

The present application relates to the technical field of audio channel switching, and provides an audio channel automatic switching circuit, method, device and storage medium, the circuit comprises an audio output end and an audio input end, the audio output end and the audio input end are used for connecting a USB sound card, further comprising a first PMOS tube, a second PMOS tube, a third PMOS tube and a fourth PMOS tube, the first PMOS tube and the second PMOS tube are arranged on the connecting circuit of the audio output end, the third PMOS tube and the fourth PMOS tube are arranged on the connecting circuit of the audio input end, when the loudspeaker and / or microphone are pulled out or inserted into the USB sound card, the level of the corresponding connecting circuit will change, the automatic switching of the two audio channels of the USB sound card and HDMI can be realized, manual switching is not needed, the conversion is rapid, when the loudspeaker or the microphone is inserted into the USB sound card alone, the control chip can correspondingly identify, and the use is flexible.

The invention discloses a stereoscopic video automatic separation and synchronization signal generation method and system based on an embedded identifier. A SyncMark synchronization mark is integrated on the basis of an original StereoMark scheme, stereo format description and synchronization parameters are embedded in a video coding layer at the same time through double SEI messages, and double backup is carried out on a container layer. And the playing end generates high-precision left and right frame synchronization signals according to the synchronization parameters, and outputs the high-precision left and right frame synchronization signals through interfaces such as HDMI VRR, DP Adaptive Sync and the like, so that the synchronization precision less than 1ms is realized. Adaptive network delay compensation and compatibility of multiple display devices are supported, and the 3D film watching experience is remarkably improved. The system is suitable for VR head-mounted display, vehicle-mounted 5D cabins, sports live broadcast and other scenes.

1. The name of the design product: HDMI connector (short body). 2. The use of the design product: as a high-definition television multimedia connection HDMI connector. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to the technical field of set top boxes, and discloses an embedded HDMI switching structure, a circuit board is installed inside a set top box bottom shell, a mini HDMI interface is installed on the circuit board, an HDMI switching line is connected inside the mini HDMI interface, a plurality of groove bodies are arranged on the outer side of the set top box bottom shell, a set top box top shell is installed on the set top box bottom shell, and the set top box top shell is provided with a plurality of groove bodies. The set top box top shell is provided with a plurality of clamping buckles, the plurality of clamping buckles are respectively clamped in the plurality of groove bodies, one end of the interior of the set top box bottom shell is provided with a limiting groove, the HDMI patch cord is located in the limiting groove, and the circuit board is provided with a fixing assembly; according to the utility model, the HDMI wire is connected in a switching manner, so that the condition that the HDMI wire is pulled to cause unsoldering can be avoided, the service life of the set top box is prolonged, and meanwhile, when the plug of the HDMI wire breaks down, the HDMI wire can be quickly replaced, and the set top box is convenient to maintain.

The utility model discloses a broadcast level 4 / 3 type CMOS (Complementary Metal-Oxide-Semiconductor Transistor) sensor camera, which comprises a mounting seat, a horizontal cradle head horizontally rotating relative to the mounting seat, a vertical cradle head vertically rotating relative to the horizontal cradle head, and a camera arranged on the vertical cradle head, video output interfaces used for being connected with display equipment and a control interface used for being connected with control equipment are arranged on the mounting seat, and the video output interfaces comprise two 3G-SDI interfaces, an HDMI interface and a first IP network interface; the camera comprises three independent 4 / 3 type CMOS sensors, an optical zoom lens and an image processor. The broadcast-level 4 / 3 type CMOS sensor camera provided by the utility model has abundant video output interfaces, supports 3G-SDI, HDMI and IP networks, is universal for most of high-definition display equipment in the market, and can provide broadcast-level image quality images.

The HDMI display controller allows a user to electrically disconnect an HDMI display from a source while leaving the associated cables in place. Disconnection is accomplished by routing electrical signals present in the wiring of the HDMI cable through one or more controller chips or switches. The user operates an external switch or button that disconnects or breaks an electrical signal that is passing along one or more wires.

The invention discloses a method for achieving LED synchronous control based on an HDMI signal analysis algorithm, and the method comprises the following steps: S1, receiving an HDMI signal, and receiving an HDMI signal from a source device through an HDMI receiver; s2, analyzing the HDMI signal, analyzing the received HDMI signal, and efficiently extracting video data in the HDMI signal by using a large model control algorithm; s3, converting the video data into an LED control signal, and converting the analyzed video data into a signal format suitable for controlling an LED; s4, synchronously controlling the LED, and sending the converted LED control signal to the LED display screen to realize the synchronous control of the LED; and S5, adjusting the control parameters, and adjusting the LED according to needs. The method has the advantages that the system is simplified, HDMI signals are directly analyzed and converted into LED control signals through a trained large model algorithm, the use of intermediate links and equipment is reduced, the system structure and connection are simplified, and the complexity and cost of the system are reduced.

The HDMI network transmission equipment provided by the utility model supports HDMI built-in audio and analog audio input switching, through setting the control logic of the toggle switch and the main control chip, the HDMI built-in audio and the external analog audio input can be freely switched, the audio access demand under different application scenes is satisfied; the interface chip (such as ADV7625) with the audio embedding and de-embedding function is further utilized, the external analog audio is embedded into the HDMI signal after digitization, and the analog audio is restored and output at the receiving end, the audio and video synchronous transmission is guaranteed; and, through converting the HDMI signal embedded with the audio into the HDBT signal and adopting the Cat6 Ethernet wire for transmission, the stable high-definition video audio synchronous transmission of dozens of meters or even hundreds of meters can be effectively supported, and the utility model is suitable for conference rooms, exhibition halls, classrooms and the like.

1. The name of the design product: wireless extender (FJ-HDMI). 2. The use of the design product: for HDMI signal wireless transmitter or receiver. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of video interface testing, in particular to an HDMI automatic screen lighting testing method and system. The method comprises the steps of configuring an initial state of a system, detecting signal input of an HDMI receiving end, calculating a TMDS clock frequency, automatically configuring system parameters, verifying stability of the clock frequency of a data channel and the like, and signal self-adaptive synchronization is achieved through formulation calculation and dynamic adjustment of a register. The system is composed of a power supply system, a signal system, an automatic screen lighting system and a peripheral interface, the signal system comprises a plurality of HDMI receiving interfaces, a signal processing module and a plurality of sending modules, the power supply system provides stable voltage through a multi-stage power supply module, and the automatic screen lighting system controls a test process through a main I2C interface. According to the method, automatic identification, parameter optimization and integrity verification of the HDMI signal are realized, the test efficiency and precision are improved, and the method is particularly suitable for reliability evaluation in a high-resolution and high-refresh-rate scene.

The HDMI interface protection module comprises a power supply circuit, an HDMI circuit, an ESD electrostatic protection circuit and a current limiting circuit, the power supply circuit, the HDMI circuit and the ESD electrostatic protection circuit are sequentially in communication connection, the current limiting circuit is simultaneously connected with the output end of the HDMI circuit and the output end of the ESD electrostatic protection circuit, the input end of the HDMI circuit is connected with the power supply circuit, and the output end of the HDMI circuit is connected with the power supply circuit. And the output end is connected with the ESD electrostatic protection circuit and the current limiting circuit. According to the utility model, the scheme of combining the electrostatic protection chip and the resistor is adopted, and the hardware scheme is simple and high in efficiency. In the prior art, only a protection chip is added without a resistor, the phenomenon of electrostatic breakdown easily occurs, the main control chip is damaged, the stability of equipment is greatly influenced, and the maintenance cost is huge, and after the scheme is adopted, the problem of damage to the main control chip does not occur any more, and the defect that the damaged main control chip can only be returned to a factory for maintenance in the prior art is overcome. And manpower and material resources are greatly saved.

The application relates to a display device, which comprises a main chip, a signal conversion circuit and a display platform. The main chip outputs a 16-channel V-by-One signal carrying a target picture; the signal conversion circuit comprises a first signal conversion module, a second signal conversion module and a signal splicing module; the first signal conversion module is connected with the main chip and is used for converting the 16-channel V-by-One signal into a 16-channel LVDS differential signal; the second signal conversion module is connected with the first signal conversion module and is used for converting the 16-channel LVDS differential signal into a plurality of 4-channel first HDMI signals; the signal splicing module is connected with the second signal conversion module and is used for splicing the plurality of 4-channel first HDMI signals to output a second HDMI signal, and the bit number of the second HDMI signal comprises 10 bits; the display platform is connected with the signal conversion circuit and is used for receiving the second HDMI signal to display the target picture. The application can convert the 16-channel V-by-One signal into the 10-bit second HDMI signal at low cost.

An HDMI optical fiber cable with a quick-detachable module. The HDMI optical fiber cable comprises a housing (10), an optical fiber input connector (20) and a conversion module (30), wherein the conversion module (30) is detachably mounted in the housing (10) and is in plug-in fit with the optical fiber input connector (20); the conversion module (30) has an elastic limiting arm (31), a terminal receptacle (32) and an optical module (33); the optical fiber input connector (20) has a mating terminal (21) and an optical fiber input interface (22); the mating terminal (21) separably mates with the terminal receptacle (32), and the optical input interface (22) also separably mates with the optical module (33); a front end of the elastic limiting arm (31) separably abuts against the housing (10); and a button (11) is provided on the housing (10), and after the button (11) is pressed, the elastic limiting arm (31) is separated from the housing (10), and the conversion module (30) is unlocked from the housing (10). Thus, by means of the conversion module (30) mating with the optical fiber input connector (20) in a pluggable manner, and proving the button (11) between the housing (10) and the conversion module (30) so as to lock or unlock the conversion module (30), the conversion module (30) can be quickly detached and replaced. In this way, the conversion module (30) of the HDMI optical fiber cable can be replaced after a period of use, thereby prolonging the service life of the HDMI optical fiber cable.

1. Name of the product in this design: HDMI Connector (I). 2. Purpose of this design: Primarily used for electrical connections between communication electronic products. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model discloses an HDMI-to-DVI mutual conversion line, and relates to the technical field of mutual conversion lines. The interconversion line comprises an interconversion line main body, interconversion line ends are arranged at the two ends of the interconversion line main body, clamping blocks are arranged at the joints between the interconversion line main body and the interconversion line ends, fixing devices are arranged in the interconversion line ends, mounting blocks are arranged on the two sides of the interconversion line ends, and limiting devices are arranged in the mounting blocks. A worker pushes a fixing rod, the fixing rod moves to drive an adaptive groove to move, when the adaptive groove moves to correspond to a pull rod, under the action of a third spring, the pull rod is clamped into the adaptive groove, the pull rod pushes a rotating rod to rotate, the rotating rod rotates to drive a moving block to move, and the moving block moves to drive the moving block to move. And when the moving block moves out of the interior of the fixed rod and is clamped into the interior of the equipment, the end of the mutual conversion line can be mounted, so that a worker can operate conveniently, and the operation difficulty is reduced.