89results about How to "Reduce the number of ports" patented technology

A network address translation apparatus and method within a Voice over Internet Protocol (VoIP) router is described. This apparatus and method operates within networking devices such as routers, switches, bridges, etc. These devices masks both source and destination addresses and may either replace or complement a firewall in providing security. According to one embodiment, network type information, corresponding to the gateways within connection, is embedded in a port number within a packet header. This network type information is extracted and analyzed to identify the network types of both gateways within the connection. According to another embodiment, a port number is assigned according to the network types of both gateways within a connection. Thus, this network type information may be identified by processing the port number on which a packet is received.

One aspect of the invention is an intelligence engine. The intelligence engine includes a distributor layer operable to communicate with at least one call agent in a telecommunications network. The call agent may receive state-driven information associated with a call between an originator and a termination point. The intelligence engine also includes a telephony management layer. The telephony management layer is operable to receive a plurality of stateless requests from the distributor layer, access a database entry associated with the requests, spawn at least one request to obtain information associated with the originator and the termination point if necessary to route the call, and send the information to the call agent to route the call. In a particular embodiment, the intelligence engine further includes a facility management command and control layer. The facility management command and control layer is operable to receive an indicator signal associated with the call from the network. The call is controlled by the call agent. The facility management command and control layer is also operable to access a database entry associated with the call agent in response to the indicator signal and to reassign control of the call from the call agent to a second call agent.

A robotic arrangement for use in medical fields has a robot arm having, in particular, a plurality of hinges, an instrument holder provided on the robot arm in order to receive a medical instrument, and supply lines which can be connected to the instrument. An adapter element is used for connecting the supply lines to the instrument.

A method is described to partition the memory of application-specific hardware compiled from a software program. Applying the invention generates multiple small memories that need not be kept coherent and are defined over a specific region of the program. The invention creates application specific hardware which preserves the memory image and addressing model of the original software program. The memories are dynamically initialized and flushed at the entries and exits of the program region they are defined in.

A node, a data processing system, and a data processing method are provided. The node includes a control module, adapted to generate synchronization information and Optical Burst (OB) configuration information; at least one synchronization processing module, adapted to perform a synchronization process on OB paths at a plurality of wavelengths according to the synchronization information; and a cross-connection module, adapted to perform, a cross-connection process on the OB paths, on which the synchronization process has been performed. The data processing system includes at least two nodes, where the nodes are connected through OB paths at one or more wavelengths, and the nodes are adapted to transfer service data through the OB paths. The technical solutions can reduce volume, power consumption, and costs of the nodes, and avoid a problem of generation of data conflict on an optical layer due to lack of optical buffers in all optical switching.

A power supply method for an universal serial bus apparatus is provided. The USB apparatus includes an upstream port module and a plurality of downstream port modules. The power supply method comprises the following steps: setting a maximum charging port number for the downstream port modules according to the connection configuration between the upstream port module and a host, and the condition of power supply from an external power supply; detecting the coupling condition of the electronic apparatuses to the downstream port modules so as to customize a specific charging specification for one of the electronic apparatuses; respectively providing a plurality of power to the electronic apparatuses according to the specific charging specification and the maximum charging port number. Thus, the electronic apparatuses enable to be charged with maximum charging currents and operate normally under the USB specification without being affected.

An apparatus and method for increasing available ports on a voice router is provided. A first gateway and a second gateway are assigned a single port number for a data stream, the direction of packet flow is identified to determine a destination gateway. The destination gateway is one of the first and second gateways, depending on the direction of the packet flow. The packets are then forwarded to the destination gateway. The voice router can further consolidate RTCP streams from a plurality of gateways into a single port on the voice router.

The invention provides a semiconductor device and a forming method, a starting circuit and a switching power source of the semiconductor device. The switching power source comprises the starting circuit. The semiconductor device comprises a P-type semiconductor substrate, an N-type drift region, an oxide layer, an intrinsic polycrystalline silicon layer, a doping polycrystalline silicon layer and a metal plug, wherein a source electrode and a drain electrode of a negative threshold field-effect tube are arranged at the two ends of the N-type drift region, the source electrode and the drain electrode are exposed out of the oxide layer, the intrinsic polycrystalline silicon layer is arranged at one end, close to the source electrode, of the oxide layer, and the doping polycrystalline silicon layer is arranged at one end, close to the drain electrode, of the oxide layer. The intrinsic polycrystalline silicon layer and the oxide layer form a grid electrode of the negative threshold field-effect tube, the doping polycrystalline silicon layer forms a resistor connected with the grid electrode, and the metal plug is connected with the drain electrode of the negative threshold field-effect tube and is adjacent to the doping polycrystalline silicon layer. In the semiconductor device, the resistor connected with the drain electrode and the grid electrode of the negative threshold field-effect tube is formed at the position, arranged between the drain electrode and the grid electrode, of the semiconductor substrate and shares the metal plug with the drain electrode, the area of a chip is saved, metal interconnection is reduced through port sharing, and the reliability of the semiconductor device is improved.

The present invention discloses a network security system including a firewall arranged between the internal network and the external network, and a trusted node arranged between the firewall and the external network, which is used to provide a data channel between the internal network and the external network, and forward the data transported between the internal network and the external network; the firewall includes a first port configured at the internal network oriented side of the firewall and a second port configured at the external network oriented side of the firewall; and the trusted node includes a media-stream receiving port used to converge the data from the second port. The present invention also discloses a network security method.

The invention discloses a display panel and a display device. The display panel comprises multiple electrodes, multiple fingerprint elements, multiple first switches, multiple second switches, multiple first control lines, multiple second control lines, multiple signal lines, a driving chip and multiple reset switches; third poles of the first switches are electrically connected with the signal lines, third poles of the second switches are electrically connected with the signal lines, the driving chip comprises a reset port which is electrically connected with the first poles of the reset switches, the second poles of the reset switches are electrically connected with the signal lines, and the third poles of the reset switches are electrically connected with grounding signals. By multiplexing a data line into a transmission line of fingerprint signal transmission, the number of the signal lines on the display panel is reduced, the opening rate of the display panel is increased, the production cost of the display panel is lowered, and interference, generated in display and fingerprint recognition, of the display panel is reduced.

The embodiment of the invention provides a ring network link failure processing method, a ring network link failure processing device and a ring network. The ring network link failure processing method comprises the following steps of: detecting whether a link in the ring network fails or not; after the link is detected to fail, deleting the media access control information of a new blocked port; and transmitting a topological variation message to an adjacent node in the ring network by using a healthy port, wherein the topological variation message carries the information of the new blocked port. The embodiment of the invention also provides the corresponding device and the ring network. In the technical scheme provided by the invention, when the link fails, the number of ports deleting the medium access control (MAC) information can be reduced, the processing time and traffic convergence time of equipment can be shortened, simultaneously broadcasting traffic in the equipment is reduced and switching performance is improved.

The invention provides an interprocess communication method, an interprocess communication system and interprocess communication distributed devices, wherein the method comprises the following steps: first role CPUs of various distributed devices are completely connected with each other to form a first layer of broadcast domains; the first role CPUs and various second role CPUs in each distributed device are completely connected with each other to form a second layer of broadcast domains of the various distributed devices; the various CPUs broadcast topology discovery messages in the broadcast domains where the CPUs are positioned and establish the topological connection relationships between the CPUs and adjacent CPUs by utilization of the topology discovery messages received; and the various CPUs perform interprocess communication by utilization of the topological connection relationships of the CPUs. The method reduces the number of occupied ports of the various CPUs, greatly reduces the topological connection information required for storage, and is suitable for topological management of interprocess communication of the distributed devices.

The invention relates to an optical network energy-saving routing method capable of flexibly adjusting reserved-type service transmission bandwidth. The method comprises the following steps: 1) a network constructing a route weight matrix according to link and transmission time slot occupation situations; 2) selecting a transmission path and time slot, of which the energy consumption is minimum, for a reserved-type service according to the route weight matrix; and 3) re-routing a request having only one service on an optical path to an optical path capable of time slot overlapping transmission with other services according to the service duration time and bandwidth usage rate of the optical path, and adjusting transmission time slot inner bandwidth in the optical path to support service energy-saving transmission according to reserved-type duration time and bandwidth requirements. The method can enable a plurality of services to be transmitted on few light paths in a concentrated manner to the greatest extent under the condition of meeting time slot transmission requirements and optical path bandwidth, and adopts a bandwidth adjustment strategy to re-route the service on the optical path having only one service to other established optical paths for transmission, thereby reducing the number of the occupied optical paths, reducing the number of ports needed in the optical path and the number of optical amplifiers, and reducing energy consumption of the whole optical network.

The invention discloses a pulse swallowing type clock synchronization circuit. The pulse swallowing type clock synchronization circuit comprises an edge trigger selection circuit and a stepping type variable delay circuit, wherein an input end of the edge trigger selection circuit is connected with a synchronization pulse input signal generated by a master chip, an input end of the stepping type variable delay circuit is connected with a synchronization pulse output signal generated by the master chip, an output end of the edge trigger selection circuit and an output end of the stepping type variable delay circuit are connected with an input end of an exclusive or gate so as to perform exclusive or operation, output of the exclusive or gate is detected through a pulse swallowing circuit, and then one path of the output is output through a synchronization clock, and the other path of the output is fed back to the stepping type variable delay circuit through a synchronization pulse generating circuit. The pulse swallowing type clock synchronization circuit does not need a high speed reset signal generation circuit, simplifies design of a circuit board, reduces complexity of a system, reduces cost of the system, and reduces debugging difficultly of the circuit board.

The invention provides a single-chip numerical control attenuator chip driven by a single voltage and a positive voltage. A chip circuit comprises an attenuation module, a power supply protection module and a level conversion module, a power supply voltage is inputted into the input end of the power supply protection module, and the output end of the power supply protection module is connected with the input end of the attenuation module and the power supply input end of the level conversion module. A control voltage is inputted into the control input end of the level conversion module, and the control output end of the level conversion module is connected with the control input end of the attenuation module. A radio frequency signal is inputted into the attenuation module and is outputtedafter attenuation control. Compared with the traditional attenuator design, the attenuator provided by the invention realizes a positive voltage controlled attenuator by changing the structure of a traditional attenuation unit, at the same time, the single chip is integrated with a driver, so that the control ports are reduced, the attenuator controlled by the single voltage is realized, the chipcan be compatible with TTL / CMOS signals, and the integration degree of the single chip is improved.

A Terahertz Optical Asymmetric Demultiplexer (TOAD) having preferably two non-linear elements (NLES) in which the extinction ratio is enhanced by saturating both NLEs when closing a switching window. A data signal input on one port of the TOAD is split onto two optical paths, each including one NLE. The optical paths converge at an output port. To start a switching window, a first control signal is input on an optical path that includes only one of the two NLEs. To close a switching window, one or more control signals are input such that both NLEs receive a control signal at a predetermined time after the first control signal is received by one of the NLEs. Only data signals passing through the first NLE during the switching window are output on the output port. Since both NLEs receive a second control signal at the same time, they decay together and thus avoid creation of unintended switching windows. Additionally, in certain embodiments of the present invention, the second control signal can be input on the data port or the output port, eliminating the need for a separate port for the second control signal as required by certain known TOADs.

Disclosed is a media data transmission method. The method includes the steps that an SIP server receives a media-on-demand request initiated by a client-side and extracts a resource identifier according to the media media-on-demand request; the SIP server acquires a corresponding media server and a corresponding resource server according to the resource identifier and sends the resource identifier to the media server; the resource server acquires the resource identifier and address information of the media server through the SIP server, establishes a UDT link with the media server according to the address information and sends media data corresponding to the resource identifier to the media server through the UDT link; the media server establishes a link with the client-side through the SIP server and sends the media data corresponding to the resource identifier to the client-side. The invention further provides a media data transmission system. The media data transmission method and method can improve system response speed and media data transmission quality.

According to one aspect there is disclosed an apparatus. The apparatus may include a first device. The first device may include a first serial input port configured to receive serial data from at least one of a host MCU and a second device; a first serial output port configured to output the serial data to a third device when the third device is coupled to the first device; a first shift register configured to receive the serial data from the first serial input port; a first multiplexer configured to selectively couple the first serial output port to the first shift register or the first serial input port; and a bus controller configured to receive the serial data from the first serial input port, the bus controller further configured to control the first multiplexer to couple the first serial output port to the first serial input port or the first shift register, based at least in part on the serial data, wherein the serial data includes a command section of a command and at least a portion of a payload section of the command, wherein the command section includes a command code, a target address and an error check and the payload section includes at least one new address and at least one corresponding error check.

The invention discloses a four-dimensional OTA performance test method for a dynamic scene channel, which comprises the following steps of: constructing a time-domain non-stationary dynamic scene channel model, and selecting OTA probes with proper quantity, positions and power weights in a four-dimensional multi-probe anechoic chamber (4D-MPAC) test system through a probe selection algorithm; and finally, constructing a 4D-MPAC dynamic channel test system of a target channel in the DUT test area, thereby making a contribution to solving the OTA performance test problem of the current time-domain non-stationary channel. The invention aims to provide a 4D-MPAC method for a dynamic scene channel, which can effectively and accurately reproduce a target dynamic scene channel model in an anechoic chamber on the basis of reducing the cost of a test system as much as possible by constructing a dynamic scene channel model, and an index for determining the construction accuracy of the dynamic scene channel model is given.

The invention relates to a circuit for realizing single wire transmission of audio and video signals, which comprises a transmitting end circuit and a receiving end circuit. The transmitting end circuit comprises a pre-emphasis and frequency modulation unit, a follower, and an impedance matching unit in communication connection with the pre-emphasis and frequency modulation unit and the first follower; the impedance matching unit is used for performing impedance matching processing on the output signals of the pre-emphasis and frequency modulation unit and a first follower, and transmitting the processing result to a single wire transmission cable to perform transmission; the receiving end circuit comprises a first processing unit, a second processing unit, a trapped wave and follow processing unit, and is used for transmitting the signals transmitted by the single wire transmission cable to the first processing unit and the second processing unit to perform filtration, demodulation and de-emphasis respectively, and transmitting the signals transmitted by the single wire transmission cable to a wave trap and a second follower to perform trapped wave and follow processing. According to the technical scheme of the invention, the operation is simple, and the problems that excessive connecting cables affect the attractiveness and occupy the space are avoided.

The invention discloses a flow control optimization method based on POTN. The method comprises the steps that a CCU application layer periodically sends a polling frame to each single disc, acquires in-place physical port information, and adds the physical port into or removes the physical port out of a flow control queue according to the in-place physical port information, to update the flow control queue in real time; and the CCU application layer sends data packets to every port in the flow control queue in a polling manner, and thus controls the flow of each port, wherein the packet sending time of each port and the maximal threshold of the total length of the data packets sent within the packet sending time are preset according to the packet sending rate of each port. According to the method, by dynamically maintaining the flow control queue, all ports in the flow control queue are actual in-place ports is ensured, unused ports on the device is prevented from adding into the flow control queue, the number of ports needing to be polled in the flow control queue is decreased, and thus the CPU occupancy rate of the flow control thread is significantly reduced.

A method and system for reducing the number of ports allocated by a relay server is provided. A connection system uses a bidirectional technique to establish a connection via the relay server between two endpoints (e.g., client computers) that can be used bidirectionally to send a stream from a first endpoint to a second endpoint and a stream from the second endpoint to the first endpoint. The connection system may also use a stream multiplexing technique to further reduce the number of ports allocated by a relay server by multiplexing multiple streams onto a single connection. The connection system may also use an endpoint multiplexing technique to reduce the number of ports allocated by a relay server by multiplexing streams from different endpoints through a single connection via the relay server.

The embodiment of the invention provides a spliced display screen and a display device. The spliced display screen comprises a display screen group which comprises a plurality of sub-screens and a plurality of scanning driving circuits used for driving the sub-screens respectively, wherein each sub-screen comprises a display area, the display areas of the sub-screens face the same direction, a plurality of sub-pixels arranged in rows and columns are arranged in each display area, the sub-screens are arranged in an array mode, and the scanning driving circuits of the sub-screens arranged in thecolumn direction are connected in series; a substrate, wherein each sub-screen is connected to the substrate through a flexible circuit board, a control chip is arranged on the substrate, and the same scanning output end of the control chip is connected to any one of the plurality of scanning driving circuits which are connected in series. In the embodiment of the invention, the same scanning output end on the control chip can be connected with the scanning driving circuits of the plurality of sub-screens, so that the number of ports on the control chip is reduced, and the cost of splicing the display screen can be further reduced.

The invention provides a channel measurement method and a communication device. The method comprises the following steps that a terminal equipment receives a pre-coding reference signal from a networkequipment, wherein the pre-coding reference signal is obtained by pre-coding the reference signal on the basis of K angle vectors; first indication information is generated and sent, wherein the first indication information is used for indicating P weighting coefficients corresponding to P angle time delay pairs; the P weighting coefficients are determined by the precoding reference signal; eachangle time delay pair in the P angle time delay pairs comprises an angle vector and a time delay vector corresponding to the angle vector, the time delay vector corresponding to each angle vector is pre-configured, and each angle vector and the time delay vector corresponding to each angle vector are obtained based on uplink channel measurement; the P angle time delay pairs and the corresponding Pweighting coefficients are used for determining a precoding matrix. By utilizing the reciprocity of the uplink and downlink channels, the terminal equipment can only feed back the weighting coefficient for constructing the precoding matrix, so that the feedback expense is reduced.

A portable terminal includes: a key row including a reference resistor, switches separately connected to the reference resistor, and a plurality of resistors connected to the switches, respectively; a reference voltage unit connected to the reference resistor and providing a reference voltage; and a first comparator and a second comparator dividing the reference voltage from the reference voltage unit by the reference resistor and at least one resistor connected to an activated switch, and receiving an analog key input signal corresponding to the divided reference voltage.