2345 results about "Networking cables" patented technology

A method and apparatus for providing a tracer function for networked cable systems used for data or power transmission. A self contained and self powered indicator circuit is described that enables tracing the location of both ends of a networked cable.

An apparatus and method for crosstalk compensation in a jack of a modular communications connector includes a flexible printed circuit board connected to jack contacts and to connections to a network cable. The flexible printed circuit board includes conductive traces arranged as one or more couplings to provide crosstalk compensation.

The invention relates to a multi-agent optimized coordination control method of an electric network in the technical field of electric networks, which comprises the following steps of: collecting local electric information, transmitting the local electric information to a central agent of a microgrid and issuing a control command by a local electric network to the central agent of the microgrid simultaneously; computing by a grid technology; issuing a new control command by the central agent of the microgrid and transmitting the information to a regulation agent of the local electric network by a network line simultaneously; receiving a dispatching instruction of the central agent of the microgrid by the agent of each element and carrying out logical judgment on a result executing these dispatching commands according to the collected local electric information; and meanwhile, optimizing the electric network within a control range by the regulation agent of the local electric network and controlling a computer to carry out parallel computation by the grid technology. The invention is suitable for carrying out optimal dispatching on a distributed energy resource of an intelligent electric network, can control each power supply by an optimization scheme, also enhances the operational processing time greatly and ensures that the intelligent electric network runs safely, stably and economically.

This specialized networking cable includes a plurality of twisted copper wire pairs encased in a flexible sheath for effectuating transmissive interconnections, electrically activated telltales affixed to both ends of the cable at positions adjacent to and connected to at least one of the copper wire pairs for providing an identification signal when activated; and means for selectively applying a current to the cable that activates the telltales and does not interfere with the flow of data through the cable whereby the telltales may be activated on at least one of the twisted copper pairs. An LED and an electric power connector suitable for plug-in connection of a power pack are affixed to the cable adjacent each end such that both LEDs are lighted whenever power is applied to either of the electrical connectors. The attendant illumination of the LEDs readily indicates where both ends of the networking cable are located. The networking cable also may be used for convenient telephonic communication by service personnel. One embodiment includes the cable as described above except with one end having a connector mateable with a standard Category 5 networking cable thereby providing for a standard networking cable to be converted into a specialized networking cable usable for tracing cable ends.

A method and apparatus for providing a tracer function for networked cable systems used in information technology. A self contained and self powered indicator circuit is described that enables tracing the location of both ends of a networked cable without the use of external test equipment.

Embodiments relate to a method, system, and storage medium for transmitting enhanced originator information over a communications network. The method includes receiving information elements selected by an originator terminal from a database. The information elements retrieved are based upon a service plan and/or a terminal capability associated with a recipient terminal. The method also includes transmitting a communication including the information elements to the recipient terminal prior to establishing a communications session with the recipient terminal. The transmission is conducted over at least one of: an Internet Protocol network, a public switched telephone network, a wireless local area network, a wireless network, a cable network, a fiber optic network, a video network, and a satellite network.

A method and a circuit is disclosed that facilitates identifying a remote end and optionally an intermediate location of an installed cable, such as a cable for carrying data, without the need to disconnect the cable. One or more circuits may be connected across two wires along the length of a cable. Each circuit includes a power connector, a switching circuit and an indicator, such as a light emitting diode (LED), connected across the two wires included in a cable. The circuit is configured such that the indicator in each circuit connected to the two wires is illuminated in responsive to a nominal DC voltage applied to the power connector in any circuits connected across the two wires without disrupting any data being carried thereby. In one embodiment of the invention, the circuit is directly into a cable connector. In an alternate embodiment of the invention, the circuit is configured to be retrofit in the field for use with existing cables.

The invention discloses a ring redundant real-time Ethernet communication method which is characterized in that chain networks are compatible with each other through a communication terminal node automatic arbitration mechanism, the effect caused by false code transmission is reduced in a manner of transmitting redundant data, the normal operation of two chain network maintenance systems can be automatically formed after intermediate network disconnection or node failure, so that the reliability of the systems is greatly improved. The network at least contains a main node and a plurality of slave nodes; each node is provided with a standard Ethernet network interface A and a standard Ethernet network interface B; a network cable starts from the network interface A of the main node, connects all the slave nodes together in a cascading manner and is finally connected with the network interface B of the main node to form a ring network loop; a ring network is compatible with a chain Ethernet by adopting a terminal slave node automatic arbitration mechanism and realizes self-recovery after network disconnection; and the whole communication process is divided into three stages, i.e. enumeration, configuration and cyclic communication. According to the situation that the network disconnects from the middle part due to failure, the systems automatically and continuously keep the communication with the main node according to the two chain networks, thereby enhancing the reliability and the fault-tolerant ability of the systems.

The invention belongs to the technical field of rapid laser repair, and particularly relates to a rapid laser repair method and a device for a defect of an aluminum alloy guide blade. The device is characterized by comprising an industrial control computer, a robot control cabinet, an optical fiber laser, a powder feeding device, a robot body, a camera, a laser ranging sensor, a laser light path unit, a coaxial powder feeding nozzle, a workbench and an argon gas cylinder, wherein the industrial control computer is connected with the camera and the laser ranging sensor through cables and is connected with the robot control cabinet through an Ethernet cable, the robot control cabinet is connected with a robot body through a cable, is connected with an I/O (input/output) port of the optical fiber laser through an I/O port and is connected with the powder feeding device through a cable, and the optical fiber laser is connected with the laser light path unit through a conductive optical fiber. The device has high efficiency and good reliability, and the quality of repaired parts is stable.

The invention relates to fields of small-size unmanned aerial vehicle control technologies, embedded technologies and Wi-Fi wireless data transmission. In order to reduce the power consumption and the size of a simulation system, solve the problems of high cost for multi-vehicle system wiring and interactive communication of all vehicles, and improve the real-time performance of the simulation system, the technical scheme adopted by the invention is as follows: a simulation and authentication device for a multi-unmanned-aerial-vehicle system comprises a model universal computer, a main control computer, a view display computer, an industrial control computer, a wireless AP (access point)/router and a Wi-Fi wireless communication module, wherein the industrial control computer and a CPU inside the main control computer are connected with the Wi-Fi wireless communication module through a serial port and perform communication through the wireless AP/router, and the wireless AP/router is connected with the main control computer through a network. The method and the device are mainly applicable to design and simulation of multiple unmanned aerial vehicles.

An RF antenna grid design in which the antenna array is installed on a patch panel cover allows for the retrofitting of an RF antenna grid on existing patch panel based systems without disrupting network operation. An apparatus for determining connectivity between device ports on a patch panel and cable ends having corresponding RFID tags attached thereto comprises a patch panel having a plurality of device ports and a patch panel cover comprising a plurality of RFID antennas, where each of the RFID antennas comprises one or more protruding portions thereof, each of the protruding portions of the RFID antennas being in close physical proximity to one or more of the plurality of device ports when the patch panel cover is positioned in a fixed positional relationship to the patch panel (e.g., when the patch panel cover is “attached” to the patch panel).

The invention discloses a telescopic parallel pull rod type device used for measuring a spatial six-degree-of-freedom motion, used for carrying out dynamic measurement on the spatial six-degree-of-freedom motion of a moving object. Six lower spherical hinges (2) are arranged on a fixed platform (1), a movable platform (7) provided with six upper spherical hinges (8) is arranged above the fixed platform (1), the upper spherical hinges (8) and corresponding lower spherical hinges (2) are connected by virtue of a telescopic pull rod (3) according to the shortest principle, and the telescopic pull rod (3) is provided with a displacement sensor (4); and the measured data is transmitted to a computer (15) by virtue of a network cable (14) by a network data acquisition card (13). The telescopic parallel pull rod type device disclosed by the invention adopts a parallel mechanism and has a simple structure, good rigidity, high precision and good stability; and measurement on the six-degree-of-freedom motion of the moving object is realized while original data and final data can be stored and read, thus an accurate data support is provided for analysis on a six-degree-of-freedom motion rule and a simulation test of the measured object in future.

The method thereof comprises: after the sending end converts the CPRI data into the frames adaptive to Ethernet transmission, it transmits the converted frames on the Ethernet; the receiving end receives the converted frames through Ethernet, and restores the converted frames into CPRI frames to get CPRI data. Before transmitting the CPRI data of one data packet, the frame head is firstly transmitted through IQ bandwidth; in the gaps of transmitting different data packets, the inter-frame gap is transmitted by using IQ bandwidth.

The invention relates to an electronic device for energy-saving and environment-protecting regulation and control and safe preservation to a household environment. A user carries out remote personalized set to a principal controller through a mobile phone or a computer; the principal controller carries out behavior identification and environment judgment according to the information of various sensors such as a camera, a microphone, human body induction and air quality, carries out energy-saving and environment-protecting regulation and control for ventilating, closing taps or household appliances, and the like, and gives an alarm immediately by three automatic manners of call, multimedia message and E-mail to different roles; and after receiving the alarm, the user can perform real-time video monitoring or audio communication. The invention also has the self-protecting functions of detecting disconnection of network cables, connection and disconnection of sensors, and disconnection of power supply automatically, as well as a household privacy protecting function, is safe and reliable, and is particularly suitable for building a safe, energy-saving and environment-protecting household environment.

The invention discloses a distributed network isolating system and method. The system comprises an inner-network host, an outer-network host and a security isolation device. The security isolation device is arranged at the boundary of an inner network and an outer network, and comprises a plurality of communication ports for transceiving inner-network and outer-network data packets and being in communication with manager computers. The security isolation device is connected with the inner-network host and the outer-network host through a light opening or an electricity opening by means of a cable or an optical fiber. Client side software is arranged on the inner-network host and the outer-network host. A security channel based on a private protocol is established between cores of operation systems of the inner-network host and the outer-network host. Data exchange can be conducted between an inner-network designated application and an outer-network designated application through the security channel. Meanwhile, the data packets between the networks are filtered at the boundary between the inner network and the outer network, the security of the inner network and the outer network is ensured, various existing applications are supported, and the distributed network isolating system has the advantages of being high in communication efficiency, simple in strategy configuration and high in universality.

The invention relates to a failure line selection self-adapting method for a mixed line of a distribution network line-cable by utilizing the relative energy of a characteristic frequency band. The method is as follows: when the instant value of the zero sequence value of a bus is out of limit, a failure line section device instantly starts and records waves; a morphological filter is used for carrying out filter pre-treatment on the transient zero-sequence currents of temporary state of each line; a wavelet packet is applied for decomposing, the characteristic frequency bands of the transient zero-sequence currents of temporary state of each line are confirmed, the component of a stable state and the information of other frequency bands are eliminated and the line selection margin is improved according to the view of energy maximizing; the sizes of the relative energies in the front 1/4 period and the last 1/4 period in the back period of the failure under the characteristic frequency bands are compared according to the principle that the capacitance and current of the failure line under the temporary state attenuates fast in the characteristic frequency bands, thus forming the criterion for failure line selection. Principle analysis and imitation show that the relative energy of the first 1/4 period and the last 1/4 period in the back period of the failure is utilized for realizing the line selection, thus amplifying the temporary characteristics of the failure, avoiding the effect of an intermittent corner on the accuracy of the line section caused by the saturation of CT. The method is accurate and reliable for line selection.

The invention provides a novel multifunctional intelligent lamp post system. The novel multifunctional intelligent lamp post system comprises a lamp post main body, a controller, a wireless signal receiving and sending unit, an LED (Light Emitting Diode) street lamp monitoring system, a charging pile system, an environmental sensing monitoring system, a video and voice help system, a network multimedia information publishing system, a wireless WLAN (Wireless Local Area Network) system and a video monitoring system, wherein the LED street lamp monitoring system, the charging pile system, the environmental sensing monitoring system, the video and voice help system, the network multimedia information publishing system, the wireless WLAN system and the video monitoring system are arranged on the lamp post main body; the charging pile system is arranged on the lower end of the lamp post main body; the network multimedia information publishing system is arranged on the upper side of the charging pile system; and the environmental sensing monitoring system is arranged on the end of the lamp post main body. All of the systems share out the work and cooperate with one another, so that various environmental conditions around the lamp post main body are monitored and managed, and an alarm is assisted to give, so that the lamp post main body has rich functions and has high practicability. The novel multifunctional intelligent lamp post system has the advantages of simple structure, powerful functions and flexibility in use, can access to the internet by virtue of wireless 3G, 4G or GPRSS without wiring, can access to a wired broadband by virtue of an ordinary network cable and is suitable for a network environment with a ready-made broadband.

The invention provides a system for analyzing line loss of a distribution network, which comprises an acquisition module, a pretreatment module, a communication module and a data statistics module, wherein the acquisition module is used for acquiring network basis line loss data; the pretreatment module is used for extracting changed basis line loss data information; the communication module is used for sending the line loss data information according to a certain communication rule; and the data statistics module is used for receiving the line loss data information sent by the communication module and analyzing the network line loss according to the line loss data information. The invention also provides a method for analyzing the line loss of the system for analyzing the line loss of the distribution network.

The invention discloses an Ethernet interface node backuping method and system, two identical mutual master-backup interface line cards are connected to network exchanger or hub by two independent network cables, respectively; by master-backup competition mechanism, each line card works in a master or backup working state, the master line card receives data through Ethernet port and detects the state of the Ethernet port of its own and answers the hand-shaking information from the backup line card; the backup line card does not receive data, and regularly transmits hand-shaking information to the master line card; when detecting the failure of the port or receiving the switching command, the master line card sends out a switching request and switches to the backup working state at the same time; when receiving the request or detecting the failure of the master line card, the backup line card switches to the master working state. When used in third-generation wireless communication system devices and data communication devices, the invention plays a great role in data transmission stability and reliability and is simple to compose network and has small data flux.

The invention discloses a BMC based Firmware automatic update system of a programmable logic device of a server, including a PC machine, a switch connected to the PC machine and a plurality of server machine platforms connected to the switch; the PC machine, the switch, and the plurality of server machine platforms form a local area network system through network cables; a BMC baseboard management controller is arranged in the server machine platforms, the BMC substrate management controller existing in a server hardware system as a stand-alone sub-system. The system in the invention can realize simultaneous update of the Firmware of a plurality of servers, not requiring operators to have knowledge of and tools for professional writing of the Firmware of the programmable logic device, greatly reducing time cost and labor cost, and enabling easier maintenance and update of the servers.

The invention discloses an intelligent housing system and a control method. The intelligent housing system is mainly composed of a gateway server, a client, a modulator-demodulator, a wireless router, a wireless coordinator and at least one wireless node, wherein the wireless router is connected with the Internet through the modulator-demodulator; the client is connected with the wireless router, and the wireless router is connected with the gateway server through a network cable and/or a mobile Internet; the gateway server is connected with the wireless coordinator through a serial port; the wireless coordinator is wirelessly connected with all the wireless nodes. The intelligent housing system disclosed by the invention has the characteristics of being convenient to install and maintain, low in cost, capable of realizing dynamic management for a housing control node, convenient to operate the client, high in system safety, stable, efficient, energy-saving and environment-friendly, and the like.

A verified cluster configuration is collected and stored by a central management entity. Servers within the cluster are connected to network cables, where each of the servers has at least one network port and memory storing a port identification code for each network port, and where each network cable has memory storing a cable identification code. For each verified connection between a network cable and a network port, the port identification code is stored in the memory of the network cable and the cable identification code is stored in the memory of the corresponding server. The data identifying each connection is stored by the central management entity and includes the port identification code for a particular network port in association with the network cable identification code for the corresponding network cable. Any miswiring of the configuration is identified by the central management entity and easily corrected by the administrator.

A wire winding device for receiving network wires or telephone wires is disclosed. The round post of the lower cover passes through the via hole of the circuit board, the central hole of the conducting plate, the via hole of the insulating plate; the buckling hole of the spring; the via hole of the spring seat, and the via hole of the upper cover, sequentially. The buckle sheet is engaged to the upper cover. The buckling post of the buckle sheet is movable fixed to the buckling groove. The upper cover and lower cover are combined. The electric wire of the circuit board and the electric wire of the conducting plate are placed in the slot of the upper cover and the slot of the lower cover. A screw serves to lock the upper cover to the lower cover.

The invention belongs to the field of an alignment calibration technology of a radio frequency simulation system antenna array, and discloses an alignment calibration device and alignment calibration method of a multi-frequency-point antenna array. The alignment calibration device of the multi-frequency-point antenna array, employed by the method, comprises an alignment calibration control management module, an alignment calibration microwave signal source, a four-speaker receiving antenna, a receiver module and a vector network analyzer, wherein the four-speaker receiving antenna is connected with the alignment calibration control management module through the receiver module and the vector network analyzer, and the alignment calibration control management module is respectively connected with a local oscillation microwave signal source, the alignment calibration microwave signal source, a radio frequency control circuit, an antenna array management module of an aligned and calibrated antenna array system, a rotary table control module of an auxiliary measuring device and the like through a netting twine so as to form a local area network type antenna array alignment calibration device. According to the invention, the alignment calibration work of multiple preset frequency points and channels can be finished through alignment calibration at one time, such that the defect of great equipment wear and tear generated when time consumed for alignment calibration increases exponentially as alignment calibration frequency points are increased is solved. The structure is simple, the reliability is high, and the manufacture cost is low.