124 results about "USB hub" patented technology

An apparatus comprises an upstream hub port, a plurality of downstream hub ports, a hub controller, a device response memory accessible to the hub controller, and a routing system connecting (a) the upstream hub port to the plurality of downstream hub ports and (b) respective downstream hub ports to the hub controller. The routing system to communicate device responses from respective downstream hub ports to the hub controller. The hub controller includes hub controller circuitry to identify specified device data in a respective device response received from a respective downstream hub port, and store the specified device data in the device response memory.

A portable information handling system is assembled and disassembled by a keystone assembly that couples at an upper surface of the portable housing to overlap a keyboard assembly that covers processing components disposed in the portable housing. The keyboard assembly includes a membrane having a first portion with key press detection sensors contiguous to a second portion with a touch detection sensor that supports a touchpad. In one embodiment, the membrane integrates a printed circuit board that couples a key matrix controller and a touch detection controller interfaced with a communications hub, such as a USB hub, to communicate key and touchpad inputs to a motherboard through a flexible connector portion of the membrane.

The invention discloses a virtual USB device connection method, system and device and a storage medium, and relates to the field of computers.The method comprises the steps that in response to a connection instruction of a target USB device, a virtual machine creates a corresponding USB device virtual instance for the target USB device through a virtual USB controller and generates a connection data packet; and forwarding the connection data packet to a USB hub through a rear-end driver, so that the USB hub controls the connection of the target USB device according to the USB device virtual instance identifier. By allocating a unique identifier to each virtual USB device instance, it is ensured that USB device access between different virtual machines is isolated, and data leakage and unauthorized access are prevented. The virtual machine is allowed to access the physical USB device through the virtual USB controller, thereby enabling the virtual machine to access the USB device as accessing the local device.

The USB HUB chip comprises at least a first USB transceiver, a second USB transceiver, a data bit insertion unit, a high-speed routing module and a re-synchronization unit before transmitting. Before a serial data valid signal is asserted, inserted data is inserted into serial data and then transmitted to the high-speed routing module, and the data and a clock are re-synchronized before transmitting to complete internal data transmission. According to the invention, a 480 MHz clock does not need to be synchronously transmitted with the serial data, high-frequency radiation is reduced, time sequence mismatching between the serial data and a global clock does not need to be considered, the difficulty of wiring and layout design is reduced, valid serial data bits do not need to be wasted for clock synchronization, internal delay of the HUB is reduced, long-distance wiring or expansion of more USB ports is facilitated.

The utility model relates to a double-channel CPU (central processing unit) server mainboard. The double-channel CPU server mainboard comprises two SW6432 CPUs, a memory slot, two GENZ 4C + connectors, two Riser cards, a PCIE switch chip, a PCIE to USB (Universal Serial Bus) chip, a USB HUB, a BMC (Baseboard Management Controller) card interface, two solid state disks, two OCP (Open Configuration Protocol) connectors and a CPLD (Complex Programmable Logic Device), and the first SW6432 CPU (CPU0) and the second SW6432 CPU (CPU1) are electrically connected with each other through a DLI (Digital Light Interface) high-speed direct connection port. According to the double-channel CPU server mainboard, a domestic processor SW6432 double-channel CPU design is adopted to complete the server mainboard scheme, and the design guide and standard requirements of an open and unified universal server under the OCSP specification are met.

1. The name of the design product: net tail (W01). 2. The use of the design product: the design product is used for the net tail of a USB line, a USB HUB docking station, and other related mobile phone computer peripheral accessories. 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. 5. Design 1 is designated as the basic design.

The utility model discloses a universal serial bus (USB) framework, which comprises a master control board and a plurality of slave control boards, the main control board is provided with a first USB HUB, a main control output end and a plurality of groups of USB Hosts, one group of USB Hosts is connected to the main control output end through the first USB HUB, and the other groups of USB Hosts are connected with the main control output end; each slave control board is provided with a second USB HUB, a plurality of conducting wires, a slave control input end and a slave control output end, and one conducting wire and other conducting wires are arranged at the slave control output end in a crossed mode; the master control output end of the master control board is connected with the slave control input ends of the slave control boards, in every two adjacent slave control boards, the slave control output end of the previous slave control board is connected with the slave control input end of the next slave control board, and the multiple slave control boards are arranged in a row. According to the utility model, the plurality of slave control boards can be arranged in a row, so that the occupied space is smaller, the plurality of slave control boards are more orderly when being deployed, and the connection between external equipment and the slave control boards is more convenient.

The present invention discloses a virtual USB device connection method, system, device, and storage medium, relating to the field of computers. The method comprises: in response to a connection instruction from a target USB device, a virtual machine creates a corresponding USB device virtual instance for the target USB device via a virtual USB controller and generates a connection data packet; the connection data packet is forwarded to a USB hub via a back-end driver, so that the USB hub controls the connection of the target USB device based on the USB device virtual instance identifier. By assigning a unique identifier to each virtual USB device instance, USB device access between different virtual machines is isolated, preventing data leakage and unauthorized access. The virtual machine is allowed to access a physical USB device via the virtual USB controller, thereby enabling the virtual machine to access the USB device as if it were a local device.

This application provides an FSU device and data transmission method supporting multiple slots and multiple types of expansion cards, relating to the field of environmental monitoring technology. The FSU device supports multiple expansion slots, each of which can accommodate different types of expansion cards, thereby meeting diverse interface requirements in different scenarios and transmitting various types of data. The FSU device includes an FSU processing unit, a universal serial bus hub, and multiple expansion cards: the FSU processing unit is connected to the USB hub via a USB interface; each downstream interface of the USB hub serves as an expansion slot for connecting expansion cards. The expansion cards implement the function of transmitting corresponding types of data through a microprocessor control unit. The type of expansion card is related to its own function. The expansion card can determine its own communication address according to the expansion slot it is inserted into. The expansion cards are also connected to power and environmental equipment, and the FSU processing unit can transmit data with them according to the type and communication address of the expansion cards.

The application relates to the technical field of storage, and discloses a storage structure of a wireless sound card, which comprises an input end USB interface, an EMMC card reading controller IC, a wireless sound card module, a USB HUB controller IC and a storage unit EMMC. The storage structure of the wireless sound card can quickly realize the storage function of the wireless sound card and does not occupy the operation resources of an MCU or an SOC or a DSP or the like, the storage function of the wireless sound card device can be used for storing audio and video files and data files in the sound card, the input end USB interface connected intelligent device can be used for quickly reading and writing the audio and video files and the like, the wireless sound card technical scheme with the storage function has a multiple protection mechanism, the circuit is simple to apply, is strong in portability and expansibility, the storage capacity of the storage function can be changed into the storage element EMMC with different capacities on the premise of not changing the hardware circuit design scheme, and the research and development and production costs are reduced.

The utility model belongs to the field of Internet of Things, and relates to a core board conforming to Jetson Orin Nano, which comprises an Internet of Things chip, a Jetson Orin Nano chip and a Jetson Orin Nano chip, the PCIE bridging controller chip, the power supply management chip, the power supply management system chip, the USB Hub controller, the Ethernet physical layer chip, the direct current power supply input circuit, the PMIC clock circuit, the analog power supply electromagnetic interference protection circuit, the LPDDR4 power supply circuit, the automatic power-on circuit, the PCIE switching circuit, the PCIE expansion chip power supply circuit and the PMIC interface circuit are electrically connected with the Internet of Things chip; the USB Hub controller is further connected with the switch chip, and the Internet of Things chip is used for collecting, processing, transmitting and controlling data of Internet of Things equipment. Due to the fact that the data processing capacity is high, the expansibility is high, power management and data transmission are stable, and powerful technical support is provided for application of the Internet of Things.

The utility model discloses a serial port debugging circuit for mouse development, which is characterized in that an SBU1 signal line and an SBU2 signal line are electrically connected with a Type-C interface, the SBU1 signal line and the SBU2 signal line are electrically connected with a CH343P chip, and the CH343P chip is electrically connected with a USB concentrator chip CH334P. According to the serial port debugging circuit for mouse development provided by the utility model, the trouble of disassembling in a debug process can be avoided, so that the problem that a shell fly wire debug needs to be disassembled in the existing mouse development process is effectively solved, and the serial port debugging circuit for mouse development provided by the utility model can be used for debugging the shell fly wire debug in the mouse development process. And the Type-C-debug small board is directly inserted for debug, so that the normal use of the mouse is not influenced, and the practicability of the device in use is improved.

The utility model discloses a desk hole type multifunctional docking station which comprises a first-form docking station, a modeling cover plate detachably covers one side wall face of the first-form docking station in the circumferential direction, and when the first-form docking station and the modeling cover plate are integrally connected, the first-form docking station and the modeling cover plate are combined to form a second-form docking station. On the premise that the routing channel of the desk hole is reserved, the docking station can be embedded in the desk hole in a hidden mode through being matched with the hole packaging device for use, the cleanliness of a desk top can be optimized, and the service life of the docking station can be prolonged, so that the service life of the docking station can be prolonged, and the service life of the docking station can be prolonged. In addition, instant data connection operation can be facilitated, data interfaces are abundant, and the practicability of the USB hub docking station is enhanced.

The invention discloses a port management system and method and computer equipment, and relates to the technical field of computers, and the disclosed port management system comprises a platform controller and a USB hub; the platform controller is connected with the USB hub, and the USB hub is connected with at least one USB port. The method comprises the following steps: receiving a port attribute configuration instruction on a firmware configuration interface through a platform controller; transmitting the port attribute configuration instruction to a USB hub, so that the USB hub configures the hardware access attribute of the USB port corresponding to the port attribute configuration instruction; and after the attribute configuration instruction is transmitted, the communication path with the USB hub is disconnected, so that the configuration is effectively prevented from being tampered without depending on an operating system and a driving program thereof.

The invention provides a switching system, a USB hub device and an operation method thereof. The switching system comprises a USB hub device and a first host. The first host selectively sends a switching instruction to the USB hub device in response to the first host judging that the operation event of the somatological interface device meets the condition. Based on a switching instruction issued by the first host, the USB hub device cuts off the connection to the first host and establishes the connection to the second host.

1. The name of the design product: USB hub. 2. The use of the design product: for socket USB interface expansion. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a system for automatically downloading an online banking flow, and the system comprises a demand analysis module which is configured to analyze a data flow demand and generate a demand analysis document; the process function block splitting module is configured to split the process into independent function blocks; the component realization module is used for realizing online banking streamline downloading by controlling a window handle and UI elements and Selenium simulating keyboard and mouse operation, controlling an online banking shield in combination with USBHub, generating a standardized predefined component and combining the standardized predefined component into a movable component according to a logical relationship; the flow splicing module is configured to splice the movable components into a flow chart including USB Hub activation of an E-bank USB key, E-bank login, streamline downloading and E-bank quitting, the system can automatically complete operations of E-bank login, streamline downloading and the like, manual participation is not needed, compared with manual operation, the efficiency is greatly improved, and the risk of human errors can be effectively reduced; all-weather operation is supported, tasks can be executed regularly according to a predetermined plan, flow data can be downloaded on time, and timeliness and continuity of the data are guaranteed.

A refrigerator, according to the present embodiment, comprises: a cabinet having a storage chamber; a storage chamber camera provided in the cabinet to photograph the storage chamber; a first door for opening and closing the storage chamber; a second door spaced apart from the first door in a horizontal direction and including a main door including a door storage unit and a sub-door that opens and closes the door storage unit and is rotatable about a hinge with respect to the main door; a first camera and a second camera which are provided in the sub-door and photograph the door storage unit when the sub-door is opened; a controller to which the second camera is independently connected; and a USB hub which is connected to the controller and to which the first camera and the storage chamber camera are connected.

There is provided a host bridge device including a host communication device and a USB hub. The host communication device is used to build up a communicate channel between two hosts to transmit file data, video data or screen data therebetween. The USB hub is used to provide downstream USB peripheral devices connected thereto to be accessed by one of the two hosts.

The utility model relates to USB concentrator technical field especially, more interface USB concentrator of quick detach portable, include: concentrator main part and USB data line, the slide groove of opening in the both sides of concentrator main part, the inside of slide groove is provided with elastic part, the both sides of the one end of concentrator main part close to USB data line are provided with a plurality of winding grooves. The utility model discloses the design through the slide groove and winding groove, make the data line of USB data line can be wound on the surface of concentrator main part through winding groove, the storage of USB data line is convenient, and the joint of USB data line can be placed in the inside of slide groove, avoid the damage deformation of joint because of extrusion of outside, cooperate the design of elastic part, can exert the thrust to the joint of USB data line, make the data line of USB data line can be straight, avoid its messy knot and so on.

The utility model relates to a USB HUB method and device for locking and unlocking a USB mobile hard disk through an ATA command, and the device comprises a multi-port USB HUB controller which is used for connecting an upper computer host with the mobile hard disk, an MCU and other USB devices at the same time; the MCU controller is provided with a USB (Universal Serial Bus) interface and is used for sending a data security command of an ATA (Advanced Technology Attachment) transport protocol to the connected mobile hard disk and locking and unlocking the hard disk, and a lock key can be input through a keyboard of the device or host computer host application software; and the analog switch circuit logic module is used for switching the USB bus under the control of the MCU and selecting to connect the mobile hard disk to the MCU or the host computer. The device is plug-and-play, and a special drive program does not need to be installed. According to the method and the device provided by the utility model, locking and unlocking of the USB mobile hard disk are realized, and important sensitive data information in the mobile hard disk is effectively protected.

The utility model provides a large-scale public building installation construction site safety inspection robot, which relates to the technical field of building construction, and comprises a four-wheel differential robot chassis, the top end of the four-wheel differential robot chassis is fixedly connected with a connecting plate, and the middle of the connecting plate is respectively connected with an AI acceleration module, a USB hub, an inertia unit and a robot host. One side of the top end of the connecting plate is fixedly connected with a three-dimensional laser radar, and through the cooperation of the three-dimensional laser radar and a binocular depth camera, the surrounding environment information of the inspection robot is sensed more accurately in a mode of fusing the three-dimensional laser radar, the binocular depth camera and ultrasonic waves. A sensing blind area of the inspection robot in a complex building construction site is avoided, a distributed calculation mode is used, and two arithmetic units of the inspection robot host and the deep learning host for installing the safety of the construction site are arranged, so that the inspection robot is quicker in calculation and higher in real-time performance.

The invention provides a remote wakeup processing method, device and system and a storage medium, the method is applied to a main processor in a target device, the target device further comprises a USB controller, a USB bus, a USB physical layer transceiver and a USB hub, the main processor is connected with the USB controller, the USB physical layer transceiver is connected with the USB controller, and the USB physical layer transceiver is connected with the USB hub. The USB controller is connected with at least one USB peripheral sequentially through a USB physical layer transceiver and a USB concentrator by adopting a USB bus, and the method comprises the following steps: responding to sleep operation for target equipment, controlling each USB peripheral to be in a suspended state, switching the USB controller to be in a sleep state, executing board-level power-off operation in the sleep state, and switching the USB peripheral to be in a power-off state after the board-level power-off operation is executed in the sleep state. And acquiring a wake-up signal for the target equipment, which is transmitted by any USB peripheral through the USB concentrator and the USB physical layer transceiver, so as to wake up the target equipment. It is ensured that remote wake-up is achieved based on the wake-up signal after the board level is powered off, and the problem of false alarm of the remote wake-up signal is solved.

Eyewear having a high-speed wireless transceiver, including a processor having a high-speed interface for communicating high-speed communications and a low-speed interface for communicating low-speed communications. The high-speed interface is disabled to have no standby current and only the low-speed interface is used when only low-speed communications are needed to save current. When communications are received via the high-speed wireless transceiver, only the low-speed interface is initially used, and the high-power interface is later used if necessary. The high-speed interface can be a high-speed universal serial bus (USB) interface, and the low-speed interface can be a universal asynchronous receiver-transmitter (UART) interface. A USB hub is controlled by the processor to selectively enable the USB interface.

The utility model discloses a novel wireless image transmission module calibration test device, which belongs to the technical field of electronic product test fixtures and comprises a PC (personal computer), one end of the PC is provided with a USB HUB through an electric wire, one end of the USB HUB is provided with a standard ground end module through a serial port, and the other end of the USB HUB is provided with a standard sky end module through a serial port. According to the utility model, the consistency of the wireless image transmission module in the mass production process is ensured through the transmitting power, the received signal strength indication, the frequency offset accurate calibration, the sensitivity and the throughput rate performance evaluation of the tested module, so that the quality and the reliability of wireless image transmission are ensured; the PC accurately controls the tested module to enter a frequent transmitting mode through a serial port and reads the measurement value of the power meter in real time, the transmitting power can be calibrated to a very accurate level, strict communication standard requirements are met, and the PC combines the measurement result of the frequency spectrograph, finely adjusts the output frequency of a voltage-controlled oscillator of the tested module and controls the frequency offset within an extremely small range.

This invention provides an adaptive multi-source level wake-up method, system, and medium based on the HiSilicon platform USB. It synchronously captures the first level information, first square wave information, and first voltage information of the USB Hub, and generates a time-aligned trigger signal matrix through delay compensation. Based on the trigger signal matrix, feature signals are extracted, and a wake-up score is generated using a weighted fusion algorithm. An adaptive wake-up threshold is dynamically calculated based on a real-time noise baseline and historical false wake-up records. When only the first slope information exceeds the limit, it is determined to be a Level 1 wake-up, and the wake-up score is increased. When both the first slope information and the first frequency information exceed the limit, it is determined to be a Level 2 wake-up, and a wake-up action is triggered. When the first slope information does not exceed the limit and the wake-up score exceeds the wake-up threshold, it is determined to be a Level 3 wake-up, triggering a wake-up action and initiating wake-up diagnosis. Noise interference is reduced through multi-source signal cross-validation, and a dynamic threshold algorithm is used to adapt to complex industrial environments, improving the success rate and reliability of wake-up.

The invention provides a USB HUB enumeration method. The method comprises the following steps: step 1, establishing a multi-state control state machine comprising an initial delay state, an active detection state and a ready enumeration state in a USB HUB main controller; step 2, in response to a system wake-up event, configuring and starting an initial delay; step 3, entering the active detection state after the initial delay is ended, sending a detection request to a host and starting a first timer to monitor response of the host; 4, performing dynamic delay adjustment based on a monitoring result: if an effective host response is received before timeout of the first timer, entering the ready enumeration state; and if an effective host response is not received before the first timer is overtime, updating a delay parameter according to a preset retry strategy and returning to the step 3 for retry until a cycle termination condition is met, and executing an exception handling flow to recover enumeration. According to the invention, the unification of high compatibility and high wake-up efficiency is realized.

Eyewear having a high-speed wireless transceiver, including a processor having a high-speed interface for communicating high-speed communications and a low-speed interface for communicating low-speed communications. The high-speed interface is disabled to have no standby current and only the low-speed interface is used when only low-speed communications are needed to save current. When communications are received via the high-speed wireless transceiver, only the low-speed interface is initially used, and the high-power interface is later used if necessary. The high-speed interface can be a high-speed universal serial bus (USB) interface, and the low-speed interface can be a universal asynchronous receiver-transmitter (UART) interface. A USB hub is controlled by the processor to selectively enable the USB interface.

The application discloses a security protection USB hub for a storage device and an authorization method, relates to the field of data transmission security, and discloses the USB hub, which comprises a USB hub body for connecting a plurality of USB storage devices; a security protection system comprising a master control module for authorizing and authenticating management software, obtaining a white list, and receiving a configuration instruction sent by the management software to configure the access right of the USB storage device; a storage module for storing device descriptor information and right configuration information of the USB storage device; an operation module for performing hash operation and signature on the white list; and management software for white list management of the USB hub, right setting of the USB storage device and generation of a configuration instruction. The application can realize one-to-one or one-to-many right authentication between the USB hub and the USB storage device, improve the security of the USB storage device access, and guarantee the information security of the host.

The utility model discloses a USB interface expansion circuit and a USB interface expansion device. The USB interface expansion circuit comprises a USB concentrator, a first switch module, a second switch module, a Type-C interface module and a plurality of USB interface modules, one end of the first switch module is used for being connected with a USB interface of a processor, and the other end of the first switch module is respectively connected with an upstream port of the USB hub and the Type-C interface module; a downstream port of the USB concentrator is respectively connected with the plurality of USB interface modules; one end of the second switch module is connected with the Type-C interface module, and the other end of the second switch module is used for being connected with a USB interface and a pull-down resistor of the processor. According to the utility model, the USB interface of the processor can be expanded, and the interface functions of the master and slave devices are provided at the same time.