131 results about "USB adapter" patented technology

Systems and methods for powering and/or charging the battery of an electronic device from selectable power sources. A powering device is provided having multiple contacts or connections such that any electronic device can be powered by any power source through utilization of the powering device. In one implementation, the device includes an adapter to couple an electronic device (e.g., a cell phone, game console, iPod®, PDA, camera, computer device or any other portable electronics device) to a power source, wherein the adapter is a vehicle cigarette lighter adapter, a 9 volt battery adapter, a wall socket adapter, a USB adapter, or another power source adapter. In a further implementation, the powering device includes a retractable cord that is selectively coupled to one of a variety of cell phone adapters to allow any type of cell phone to be charged using the device. Additionally, the powering device is used for providing power to a cell phone for purposes of operating the cell phone and/or charging the battery of the cell phone. More particularly, implementation of the present invention relates to adapting a variety of different power sources to provide power to a cell phone.

A USB adapter with a power connector has a USB adapter and two power wires. The USB adapter has a proximal end, a distal end, four wires, a USB connector formed on the proximal end and a USB socket formed on the distal end. The two of the four wires are power and ground wires and the other two wires are data wires. The two power wires have proximal ends and distal ends, and the proximal ends are electrically connected respectively to the two wires that are power and ground wires in the USB adapter. The distal ends of the two power wires connect to a power connector. The USB adapter with a power connector uses two power wires to supply power to an external device that needs power but does not transfer data so the USB adapter with a power connector is cost-effective.

A power adapter comprising a POE connector for receiving electrical power from the power lines of a POE cable, a transformer circuit and a USB connector for delivering electrical power to a USB powered device, wherein a POE cable provides power to the USB powered device. The power adapter can have a POE receptacle for receiving an Ethernet plug, to receive the POE power, and a USB receptacle to receive a USB plug from a USB powered device, or dedicated wires from one or more of the POE power supply and/or the USB powered device.

Also, a method for providing USB power comprising the steps of running a POE cable from a power source to an adapter, adapting the POE power from the POE cable to USB power and making the USB power available to one or more USB powered devices.

A KVM extension configuration that includes a host connected to a transmitter for transmitting communication signals across an extension to a receiver where user interface devices are located. The host has a motherboard that supports USB communications. A USB adapter may be coupled to the transmitter that converts USB signals that the transmitter receives from the host to a non-USB format prior to transmission across the extension to the receiver where the user interface devices successfully communicate with the host. A transmitter core may be coupled to the transmitter that receives the non-USB signals from the USB adapter and transmits such signals to the receiver.

Disclosed is device and method for improved burst communication on a USB bus. In one embodiment, a USB Ethernet adapter device uses the USB Interrupt Channel to send a message to an Ethernet class driver, via the host USB stack, that the Ethernet adapter device has data to transmit on the USB. The interrupt message preferably includes the size of the data packet to be transmitted or the number of packets to send. The class driver responds by instructing the USB stack to configure a new Transfer Descriptor having buffer pointers of sufficient size for the data packet. The USB Host Controller then processes the Transfer Descriptor, thereby inviting the Ethernet adapter device to transmit its data and responsively storing the data in the predetermined buffer.

A method for making bluetooth USB adapter have the man-machine interaction function (HID) is disclosed. With said method, a bluetooth USB adapter and a bluetooth keyboard or mouse can cooperate to implement an ordinary USB keyboard or mouse when compute is started. If the BIOS of computer does not support bluetooth function, the method can make user use bluetooth keyboard and mouse on starting.

Virtualizing a host USB adapter in a virtualized environment maintained by a hypervisor, the hypervisor administering one or more logical partitions, where virtualizing includes receiving, by the hypervisor from a logical partition via a logical USB adapter, a USB Input/Output (‘I/O’) request, the logical USB adapter associated with a USB device coupled to the host USB adapter; placing, by the hypervisor, a work queue element (‘WQE’) in a queue of a queue pair associated with the logical USB adapter; and administering, by an interface device in dependence upon the WQE, USB data communications among the logical partition and the USB device including retrieving, with direct memory access (‘DMA’), USB data originating at the USB device from the host USB adapter into a dedicated memory region for the logical USB adapter.

The invention relates to the communication field and discloses a method for making an Internet-of-Things cloud gateway compatible with multiple protocols and the Internet-of-Things cloud gateway. In the invention, the gateway sends a request identifying command to a USB adapter inserted into a USB interface via a communication protocol; if the gateway receives responses of the USB adapter to the request identifying command, the communication protocol supported by the USB adapter can be directly obtained; the communication protocol supported by the USB adapter is a communication protocol corresponding to the request identifying command; if the gateway does not receive the responses, the gateway sends the request identifying command to the USB adapter via another communication protocol till the gateways receives the responses, and therefore the communication protocol supported by the USB adapter can be obtained. In an embodiment of the method for making the Internet-of-Things cloud gateway compatible with multiple protocols and the Internet-of-Things cloud gateway, without replacement of the gateway or arrangement of other wireless communication chips, the gateway can be compatible with multiple communication protocols via the USB interface, a problem that a new gateway is needed for supporting a new communication protocol can be prevented, cost can be saved, and a gateway utilization rate is improved.

A high power rechargeable flashlight with two-way universal serial bus (USB) capable of recharging electronic devices as well as recharging itself. A bidirectional universal serial bus (USB) adaptor port that can be integrated into a high power rechargeable battery operated flashlight or other rechargeable battery operated device. The invention can utilize a micro-controller to convert a single USB adaptor port into either an input device or an output device. A high power rechargeable flashlight with bidirectional USB adaptor port is capable of recharging external electronic devices, as well as recharging itself through the same port.

The invention discloses an MVB/USB adapter based on the SOPC technology and a communication method thereof, belonging to the technical field of network communication. The technical proposal is as follows: the MVB/USB adapter comprises an FPGA controller, a USB controller, an MVB physical level conversion module, a power conversion circuit, a resetting circuit, a status lamp display circuit and a DB9 interface. The communication method of the MVB/USB adapter comprises the following steps: the MVB/USB adapter is respectively connected to a computer and an MVB bus; the computer sends data packet to the MVB/USB adapter; the MVB/USB adapter receives the data packet; the FPGA controller reads data from an FIFO module; required read-write operation is judged; and finally, data is sent to the computer or the MVB bus according the required read-write operation. The invention leads the connection of the MVB bus and the computer to be more convenient and the transmission speed to be faster.

The invention discloses a USB charging circuit short connection detection method and an adapter. The detection method includes the following steps: determining whether a charging physical connection is established between a USB adapter and a mobile terminal, and if a charging physical connection is established between the USB adapter and the mobile terminal, acquiring a preset number of output currents of the adapter and calculating the average value of the preset number of output currents; comparing the average value with a preset virtual short circuit judgment current value; and if the average value is greater than the preset virtual short circuit judgment current value, determining that there is a virtual short connection between the adapter and the mobile terminal, and giving corresponding prompt information, wherein the virtual short connection refers to that a power pin of a Type C port on the USB adapter or of a Type C port on a USB data line connected with the USB adapter is in contact with other pins around the power pin. Through the detection method, whether there is a virtual short circuit in a charging circuit can be determined quickly by comparing the output current value of the adapter with the preset virtual short connection judgment current value.

A system for controlling one or more computers comprises one or more host computers, a KVM (Keyboard/Video/Mouse) switching device and a computing device including a keyboard, a cursor control device, a video display unit and a data processing unit, wherein the KVM switching device includes a first driver coupled to the host computers; a video codec for converting video signals from the host computers to digital video signals; an USB (Universal Serial Bus) adapter for receiving the digital video signals and transferring the digital video signals to a second driver and receiving and transferring command signals between the first driver and the second driver bi-directionally; wherein the second driver couples to the computing device for receiving and transmitting the digital video signals and command signals between the computing device and the USB adapter; wherein the data processing unit manages the digital video signals converted from each of the plurality of host computers for simultaneously displaying the digital video signals on the video display unit.

The invention discloses an intelligent flash U disk having the function of a mouse and an implementation method thereof. The intelligent flash U disk is characterized by comprising a fingerprint sensor for sensing the moving direction and the click movement of fingers and acquiring fingerprint images, a flash memory chip for storing user materials and application programs, a USB (universal serial bus) adapter for data transmission and a USB controller connected among the fingerprint sensor, the flash memory chip and the USB adapter, wherein the USB controller receives sensing signals from the fingerprint sensor, calls software programs in the flash memory chip, outputs the converted control signals to a computer through the USB adapter, thereby realizing the operational function of a mouse. By the connection of one USB adapter with the universal serial bus controller, the invention integrates the functions of a flash memory, the mouse, a joy stick and even an electronic ferule, provides convenience for users to carry computer peripherals, and saves the limited USB port sources of the computer device. Besides, the invention combines a fingerprint encryption technology, thereby improving safety for saving materials and using the computer.

The invention discloses a bluetooth data transmission system and a method. The system comprises a portable electronic device, a computer and a universal serial bus (USB) adapter, wherein the computer comprises a universal serial bus interface, a built-in resident program and a keyboard, the USB adapter comprises a USB module, a microcontroller and a bluetooth module, the USB adapter can be inserted into the universal serial bus interface to be electrically connected with the computer, and the USB adapter can be configured to be a bluetooth wireless adapter by the microcontroller, so that a wireless connection from the computer to the portable electronic device is provided.

A USB adapter module includes an electrical insulating terminal holder having a front tongue plate forwardly extended from a front side of a holder body thereof, an EMI shielding shell surrounding the electrical insulating terminal holder, a conducting terminal set including conducting terminals and signal terminals respectively mounted in the electrical insulating terminal holder, and a swivel adapter pivotally connected to the EMI shielding shell and turnable between a horizontal close position for micro USB application and a vertical open position for allowing the assembly of the electrical insulating terminal holder, conducting terminals, signal terminals and EMI shielding shell to be used as an independent USB3.0/2.0 connector without causing interference.

Methods and apparatus are provided for externally managing control target devices such as computer systems, cameras, recorders, etc., in an effective and secure manner. In particular examples, an external desktop agent is connected to a computer system. Remote desktop agent software need not be installed on the computer system. The external desktop agent receives commands such as keyboard and mouse commands from a control computer over a mechanism such as a bi-directional network. To provide security, the external desktop agent does not directly connect to the computer system over an interface such as universal serial bus (USB) but instead provides a PS/2 interface that connects to the computer system through a standard PS/2 to USB adapter. PS/2 does not allow bi-directional command signaling and does not provide file level access to potentially sensitive computer system data.

The invention discloses a modularized combination ceiling lamp which comprises a central light source module and multiple edge light source modules. The edge light source modules are arrayed along the circumferential direction at intervals and arranged outside the central light source module. Each edge light source module is provided with a USB (universal serial bus) adapter, and the central light source module is provided with multiple USB interfaces which are circumferentially arrayed at intervals and used for inserting of the USB adapters; since the central light source module is taken as a basic unit of the ceiling lamp, and the edge light source modules connectedly arranged outside the central light source module are taken as auxiliary units of the ceiling lamp, the ceiling lamps can be combined into series with different size specifications by adopting the edge light source modules with different numbers and the single light source module. By the application of a modularized design, the ceiling lamp is high in university and assembly; the central light source module and the edge light source modules are connected through power supplied by USB, the conventional electrical technology of bonding wire connection between the different light source modules is abandoned, assembling efficiency of the ceiling lamp is greatly improved, and overhauling and maintaining of the ceiling lamp are facilitated.

A two-way translator structure comprises a body having a front surface and a rear surface, and a control circuit installed inside the body and having translation software. The front surface has a display, a voice pick-up element, a voice-output element, and buttons. The rear surface has a display, a voice pick-up element, and a voice-output element. The lateral side of the body has a USB adapter and a memory card adapter. Two persons in dialogue may respectively speak to the voice pick-up elements on the front and rear surfaces. The control circuit translates the speech into another language. The voice-output elements on the front and rear surfaces output the translation voice, and the displays on the front and rear surfaces present the translation text. The translation is stored to a computer via the USB adapter. The user may plug in different memory cards to translate different languages.

The invention relates to a telescopic structure of a portable U disk. The telescopic structure mainly comprises an upper shell, a lower shell, a circuit device carrier and a USB circuit device, wherein the USB circuit device is inlaid in the circuit device carrier, the USB circuit device and the circuit device carrier are arranged together in the lower shell body, and the upper shell body directlyfixedly covers the lower shell body in a matching way, thereby forming the portable U disk; the circuit device carrier and the USB circuit device arranged thereon can still be positioned in the upperand the lower shell bodies to be pushed to make forward and rearward motion of displacement, so a USB adapter on the front end of the USB circuit device is kept in the state of fixedly extending outfrom the front ends of the upper and the lower shell bodies or is kept in the state of fixedly retracting into the upper and the lower shells.

The invention includes flash disk, blue teeth USB adapter, GPRS wireless network card. Characters are: blue teeth USB adapter, flash disk through own USB interface is connected to USBHUB20; GPRS wireless network card through serial port, USB interface conversion chip is connected to USB interface hub; blue teeth USB adapter, flash disk and GPRS wireless network card are encapsulated as integrated body. USBHUB possesses USB interface for communication with outside. Flash disk, blue teeth USB adapter, GPRS wireless network card are connected through USBHUB, which is connected to PC by own USB interface. Thus, data on flash disk, blue teeth USB adapter, GPRS wireless network card are transferred to PC through USB interface of USBHUB. Features are: portable, no complex driving mechanism, large memory etc.