45results about How to "To achieve the purpose of switching" patented technology

The invention discloses a method, a device and a system for handoff in an AP network. The method particularly comprises the followings steps: a source AP sends out a handoff request; a target AP judges that handoff conditions are satisfied according the relevant resource and the context of user equipment (UE) included in the handoff request, the resource is reserved and a transmission link and a wireless link are established, and synchronize with the process of the UE when the reconfiguration of the UE is performed; an up-down link tunnel between AGs is adjusted to be an up-down link tunnel the target APs by AG. By adopting the method, the device and the system, the invention solves the problem that handoff can not be performed between the two APs adopting identical RNC-ID in the prior art, so that the purpose of handoff between the two APs adopting identical RNC-ID is achieved, and meanwhile the burden of a core network is relieved.

The invention discloses a method and a device for processing a voice service, relating to the technical field of communication networks, and being used for solving a problem of how to switch between an LTE (Long Term Evolution) network and a wireless local area network in an IMS domain. According to the embodiment of the invention, the method for processing the voice service comprises the steps of: receiving an IMS secondary registration request sent by UE (User Equipment), wherein the IMS secondary registration request comprises a first IP address, an IMPI, an IMPU and a first access network type, and the first IP address is an IP address corresponding to the first access network type; correlating the first IP address with the IMPI, the IMPU and the first access network type; establishing a first mapping rule and establishing a first media surface flow link corresponding to the first IP address. The scheme provided by the embodiment of the invention is suitable for establishment and switching of the voice service.

The invention discloses a high-reliability frequency source device, and aims to provide a frequency source device with high reliability, and good long-term and short-term stability. The equipment is implemented through the following technical scheme: two three-in-one antennas and signal amplifiers are adopted by a receiving switching unit and are connected in series to form a 2*3 signal switching matrix; the 2*3 signal switching matrix switches received satellite signals via multichannel receiver chips and a one-out-three switch; the one-out-three switch receives three paths of satellite second signals which can be of a same source or different sources; one path of the satellite second signals selected is fed into a one-to-three power divider; three paths of same-source satellite second signals obtained by power dividing are respectively transmitted to a locking unit so that the input same-source satellite second signals are locked and are respectively output to a signal processing unit A and a signal processing unit B; and the other path of satellite second signals passing through the one-to-three power divider is used for carrying out frequency correction disciplining on a rubidium clock; standard frequency signals are transmitted to a signal processing unit C via a rubidium clock phase locking unit; and thus, three standard frequency signals of the same source are formed and output.

The invention discloses a traffic switching method, equipment and a system. The traffic switching method comprises the steps of changing accumulated interior gateway protocol metric of a first link according to a preset strategy when transmission quality of the first link changes; switching the traffic of the first link to the traffic of a second link, wherein the accumulated interior gateway protocol metric of the second link is less than the changed accumulated interior gateway protocol metric of the first link. The method can perform dynamic adjustment on business path priority in a network with multiple domains so as to realize dynamic traffic switching.

The invention discloses high-stability combined region time service frequency generation equipment and aims to provide time service frequency generation equipment with high reliability, high length stability and a wide application range. The invention adopts the technical scheme that a receiving switching unit inputs two paths of selected satellite second signals from different sources into a locking unit to carry out frequency locking, two paths of phase-locked standard frequency signals generated by the locking unit and are respectively output to a signal processing unit A and a signal processing unit B; one path of satellite second signal is also used for carrying out frequency correction on a rubidium clock connected in parallel between a three-selection two-open device and a first analog phase-locked loop PLL_A, and one path of standard frequency signal is generated and transmitted to a signal processing unit C; and the signal processing units carry out signal shaping, amplification, shunting and coding on three paths of standard frequency signals from different sources, the obtained signals are subjected to frequency division, output to a far-end time service unit and are converted into optical signals by an optical-electrical converter, and the optical signals are transmitted to an equipment machine room by one or multiple paths of optical fibers and then are converted into electric signals, and the electric signals are transmitted by an antenna so as to complete a clock time service of a receiving end.

The invention discloses a terminal switching method, apparatus and system. The method comprises the following steps that: a switching request message initiated by a terminal client is received, wherein the switching request message is used for requesting to switch connection of the terminal client to a target terminal client; and the connection of the terminal client is switched to the target terminal client, wherein each of the terminal client and the target terminal client, or the terminal client or the target terminal client includes a cloud terminal client and a virtual client. According to the invention, an objective of switching between a calling center terminal client and a target terminal client is achieved.

The invention relates to the switch technical field, in particular to an intelligent switched switch with double power supplies, comprising a switch cabinet. A first power supply line inlet contact, a second power supply line inlet contact, a line outlet contact, a switching mechanism and an opening and closing mechanism are arranged on the switch cabinet. The switching mechanism is provided witha movable contact and is capable of switching the movable contact between the first power supply line inlet contact and the second power supply line inlet contactrespectively. The opening and closingmechanism is arranged under the movable contact and matched with the movable contact. The opening and closing mechanism comprises a second movable contact matched with the movable contact. The lower end of the second movable contact is movably connected with the line outlet contact. In the invention, the switching process between the first power supply and the second power supply is in intelligent automatic control without the operation of people; the power supply instantaneity of the switch is ensured; the power supply reliability of the power supplies is improved; and simultaneously, the switch disclosed by the invention is simple in structure, convenient for maintenance and repair and also very safe for overhaul.

The invention discloses a track switching device, a material conveying system and a track switching method. The track switching device comprises a track mechanism, wherein the track mechanism comprises a first track, a switching track and a second track; an included angle is formed between the second track and the first track; the second track is provided with a second moving frame which can move on the second track; a rotating mechanism is arranged at the second moving frame; the switching track is arranged at the rotating mechanism; and the rotating mechanism rotates to drive the switching track to rotate at a preset position. According to the track switching device, when the conveying devices moves from the first track to the switching track, the rotating mechanism rotates to drive the switching track to rotate and separate from the first track, then the second moving frame moves on the second track to drive the switching track and the conveying device on the switching track to move on the second track, and thus the purpose of switching the conveying device from the first track to the second track to realize conveying is achieved; manual switching or moving on only one track can be avoided; and the labor cost and the production cost are decreased.

The invention relates to a full-automatic diluting instrument which can absorb a diluent automatically from a diluent channel, suck samples from a sample rotating disc one by one as a mother liquid, and injects and mixes the diluted liquids into corresponding tubes successively, thereby completing automatic diluting function of large-scale liquids. A system comprises dual-channel probes, multi-way injection valves, three-way valves, three-way or multi-way sample-separating valves, micro injectors, injector drive arms, probe drive arms, sample rotating disks, rotating disk bearings, rotating motors, a diluent container, a gas container, a waste liquid barrel, corresponding gas or liquid channels, a scheduling controller and a synchronous controller. The full-automatic diluting instrument performs sampling work by synchronously rotating the sample disk and through the movement of the probes, achieves a large-scale diluting object by combining up and down movement of the micro injectors and open and close of various valves, and can be widely applied in chemistry, biotechnology or other analytical testing experiments.

The invention relates to the field of machining, in particular to a multi-station machined part clamping device capable of removing scrap iron for combined machining. The multi-station machined part clamping device comprises a supporting bottom frame, a rotating assembly, an overturning assembly and the like, the rotating assembly is fixedly installed on the supporting bottom frame, and the overturning assembly is arranged on the top face of the supporting bottom frame. The number of teeth of a missing gear and a straight gear can be known, the missing gear rotates by one circle to drive the straight gear and a device on the straight gear to rotate by 90 degrees, the rotating frame drives a machined part to rotate by 90 degrees, the purpose of switching the position of the machined part is achieved, and the machined part can enter a next machining procedure conveniently.

The invention discloses an output device of different sources of frequencies, and aims at providing the frequency source device of fast switching, high reliability and accuracy and high length stability. Two paths of satellite second signals, of different sources, are processed by a locking unit to generate two paths of phase-locked standard frequency signals, the two paths of standard frequency signals are output to an amplification output unit A and an amplification output unit B, one path of the signals is provided for a rubidium clock connected, in parallel, between a two-of-three switch and a first analog phase-locked loop PLL_A for frequency calibration, a rubidium clock clean up unit generates one path of standard frequency signals and transmits the path of signals to an amplification output unit c, two clean up oscillators in parallel connection lock signals of themselves in signals which take rubidium clock frequency signals as reference, output signals of the rubidium clock clean up is transmitted to the amplification output unit c, and thus, three paths of standard frequency signals of different sources are output.

The invention discloses a two-channel turning center machine tool with an integrated stable rack. The double-channel turning center machine tool comprises the rack, a driving mechanism, a main transmission mechanism, an auxiliary transmission mechanism, a switching mechanism and a clamp, wherein the driving mechanism is fixedly arranged on the rack; the main transmission mechanism and the auxiliary transmission mechanism are symmetrically arranged in the rack and fixedly connected to the rack; the main transmission mechanism and the auxiliary transmission mechanism are in transmission connection with the driving mechanism; the clamp is connected to the opposite ends of the main transmission mechanism and the auxiliary transmission mechanism; the end, away from the clamp, of the auxiliary transmission mechanism penetrates through the driving mechanism to be rotationally connected to the rack; the switching mechanism is fixedly arranged on the rack; and the main transmission mechanism and the auxiliary transmission mechanism are connected through the switching mechanism. According to the double-channel turning center machine tool with the integrated stable rack, when a transmission shaft is damaged, a driving clamp and a driven clamp can be automatically switched, the machining process is not affected, meanwhile, the damage to a workpiece is avoided, and the turning machining efficiency and the workpiece machining precision are guaranteed.

The invention discloses a Ka waveband multi-channel down-conversion device. The device comprises a switching unit and signal channel units; the switching unit switches the signal channel units in adoption of a multi-level switch; each signal channel unit is electrically connected with a mixer; each mixer is electrically connected with a cavity filter; with respect to the signal channel units, corresponding working channels are communicated through selecting and clicking switch display symbols on a touch display screen. According to the device provided by the invention, the cavity filter connected with each mixer timely filters the spurious signals generated in mixing; the spurious signals are prevented from participating in follow-up mixing to generate more spurious signals; the spurious suppression degree of the link is greatly improved; and the problems in the prior art that the Ka waveband down converter is low in stability, reliability and sensitivity, complex in switching and many in spurious signal.

The invention belongs to the technical field of elevator installation, and particularly relates to elevator guide rail support preassembling equipment which comprises a traction mechanism, an outer box body, a tool switching mechanism, a longitudinal and transverse displacement mechanism and a telescopic mechanism, wherein the outer box body is connected with the traction mechanism and can move up and down in a hoistway under the action of the traction mechanism; the tool switching mechanism is installed in the outer box body and comprises a tool switching power motor, a tool carrying tray in transmission connection with the tool switching power motor, a plane grinding machine and a drilling machine, and the plane grinding machine and the drilling machine are arranged on the tool carrying tray; the longitudinal and transverse displacement mechanism is mounted in the outer box body; and the telescopic mechanism is mounted on the longitudinal and transverse displacement mechanism. The preassembling equipment can automatically complete preassembling of an elevator guide rail support , is high in applicability, can meet the mounting requirements of hoistways with different spans on elevator guide rails, and can automatically adjust the angle and the levelness when the guide rail support is mounted, so that the mounting precision of the guide rail support is ensured.

The invention relates to a LeapMotion gesture recognition-based screen control system and method, the system comprises a binocular camera, a LeapMotion device, a gesture recognition computer and a server which are connected in sequence; the server is connected to a screen computer, the screen computer is connected to a screen display, and the binocular camera is used for collecting a hand action image of a user; the LeapMotion equipment generates a corresponding 3D model according to the hand action image; the gesture recognition computer is used for performing gesture recognition on the 3D model and outputting a gesture action signal instruction; the server outputs a corresponding screen data picture skip instruction to the screen computer according to the gesture action signal instruction; and the screen computer controls switching of the data pictures on the screen display according to the screen data picture skipping instruction. Compared with the prior art, gesture action recognition can be quickly and accurately carried out on hand movement of a user, and the purpose of non-contact screen control is achieved.

The invention discloses a method and a device for processing a voice service, relating to the technical field of communication networks, and being used for solving a problem of how to switch between an LTE (Long Term Evolution) network and a wireless local area network in an IMS domain. According to the embodiment of the invention, the method for processing the voice service comprises the steps of: receiving an IMS secondary registration request sent by UE (User Equipment), wherein the IMS secondary registration request comprises a first IP address, an IMPI, an IMPU and a first access network type, and the first IP address is an IP address corresponding to the first access network type; correlating the first IP address with the IMPI, the IMPU and the first access network type; establishing a first mapping rule and establishing a first media surface flow link corresponding to the first IP address. The scheme provided by the embodiment of the invention is suitable for establishment and switching of the voice service.

The invention discloses a switch control circuit and control method. When an external input voltage is needed to be switched, a logic control circuit outputs a feedback control signal, a feedback circuit participating the switching process is used for selectively accessing a reference voltage signal to a feedback loop needed to be switched according to a feedback control signal, so that the switch action of the corresponding switch circuit is controlled, and the purpose of switching the input voltage is achieved. By the switching mode, an output voltage can be enabled not to be drop during the channel switching process, and an output value is stable.

The invention relates to a thrust knuckle bearing node. The thrust knuckle bearing node comprises a pin shaft and two thrust knuckle bearings, wherein one end of the pin shaft is provided with a convex ring; the inner rings of the two thrust knuckle bearings are respectively and fixedly sleeved on the pin shaft at the two sides of the convex ring; a bearing seat are sleeved outside the outer ringsof the two thrust knuckle bearings; one end of the bearing seat is provided with limiting mechanisms for limiting the thrust knuckle bearings from moving towards one end of the bearing seat; the other end of the bearing seat is connected with a pressing cover by a locking part with adjustable looseness; the pressing cover is provided with a place-giving hole for extension and swinging of the other end of the pin shaft; the pressing cover is connected with the outer rings of the adjacent thrust knuckle bearings by spacer sleeves; the locking part is used for adjusting the locking force betweenthe pressing cover and the bearing seat to drive the matching between the spacer sleeves and the limiting mechanisms so as to loosen and tighten the outer rings and the inner rings of the thrust knuckle bearings and realize switching of the thrust knuckle bearings between the hinging connection and rigid connection. The thrust knuckle bearing node has the advantages that the design is reasonable,the adjustment is simple and convenient and free switching between hinging connection and rigid connection can be achieved.

The invention discloses a high-reliability frequency source device, and aims to provide a frequency source device with high reliability, and good long-term and short-term stability. The equipment is implemented through the following technical scheme: two three-in-one antennas and signal amplifiers are adopted by a receiving switching unit and are connected in series to form a 2*3 signal switching matrix; the 2*3 signal switching matrix switches received satellite signals via multichannel receiver chips and a one-out-three switch; the one-out-three switch receives three paths of satellite second signals which can be of a same source or different sources; one path of the satellite second signals selected is fed into a one-to-three power divider; three paths of same-source satellite second signals obtained by power dividing are respectively transmitted to a locking unit so that the input same-source satellite second signals are locked and are respectively output to a signal processing unit A and a signal processing unit B; and the other path of satellite second signals passing through the one-to-three power divider is used for carrying out frequency correction disciplining on a rubidium clock; standard frequency signals are transmitted to a signal processing unit C via a rubidium clock phase locking unit; and thus, three standard frequency signals of the same source are formed and output.

The invention belongs to the technical field of elevator installation, and in particular relates to an elevator guide rail bracket pre-installation device, a kind of elevator guide rail bracket pre-installation equipment, comprising: a traction mechanism; Down, it can move up and down in the well; the tool switching mechanism, which is installed in the outer box, includes a tool switching power motor, a tool loading tray connected to the tool switching power motor, and a plane set on the tool loading tray Grinding machine and drilling rig; vertical and horizontal displacement mechanism, the vertical and horizontal displacement mechanism is installed in the outer box; telescopic mechanism, the telescopic mechanism is installed on the vertical and horizontal displacement mechanism. The invention can automatically complete the pre-installation of the elevator guide rail installation bracket, has strong applicability, and can adapt to the installation requirements of elevator guide rails for shafts with different spans. When installing the guide rail bracket, the equipment can automatically adjust the angle and levelness to ensure the installation of the guide rail bracket. precision.

The invention discloses high-stability combined region time service frequency generation equipment and aims to provide time service frequency generation equipment with high reliability, high length stability and a wide application range. The invention adopts the technical scheme that a receiving switching unit inputs two paths of selected satellite second signals from different sources into a locking unit to carry out frequency locking, two paths of phase-locked standard frequency signals generated by the locking unit and are respectively output to a signal processing unit A and a signal processing unit B; one path of satellite second signal is also used for carrying out frequency correction on a rubidium clock connected in parallel between a three-selection two-open device and a first analog phase-locked loop PLL_A, and one path of standard frequency signal is generated and transmitted to a signal processing unit C; and the signal processing units carry out signal shaping, amplification, shunting and coding on three paths of standard frequency signals from different sources, the obtained signals are subjected to frequency division, output to a far-end time service unit and are converted into optical signals by an optical-electrical converter, and the optical signals are transmitted to an equipment machine room by one or multiple paths of optical fibers and then are converted into electric signals, and the electric signals are transmitted by an antenna so as to complete a clock time service of a receiving end.

The invention discloses a communication management method and system based on intelligent optical network unit. When the system is on, the management function modules of its main server or backup server start to be initialized. The communication configuring modules built in the main server and the backup server also start to be initialized to automatically update the initialization configuring data corresponding to and connected with the client terminal of the intelligent optical network. The client terminal of the intelligent optical network automatically conducts the functional identification and initialization of the CPU control module and the internet-of-things interface module. According to the communication management method and system based on intelligent optical network unit proposed by the invention, a long-time TCP connection and fault-tolerance and correction mechanism between a modularized intelligent optical network and a management platform is maintained. With the management method, the requirement of the TCP on the number of the TCP interfaces can be effectively reduced; the number of the servers and the overheads of the servers can be reduced; the switching between the main server and the backup server is realized, so is the switching between the IP and the domain name. Further, as fault-tolerance processing is introduced, connection can recover automatically when a fault occurs to the intelligent device.

The invention discloses a parallel charging circuit and a mobile terminal. The method comprises: a main power management chip, an auxiliary power management chip, a heterogeneous parallel charge controllable switch, and a wireless charging receiving chip, wherein the main power management chip and the auxiliary power management chip One of the power management chips is connected to an external wired charger, and the other power management chip is connected to an external wireless charger through a wireless charging receiving chip; the heterogeneous parallel charge controllable switch is connected to the auxiliary power management chip and the external between the corresponding chargers, and is controlled by the enabling control of the main power management chip. The invention realizes wireless charging and wired charging simultaneously.

The invention discloses a communication management method and system based on intelligent optical network unit. When the system is on, the management function modules of its main server or backup server start to be initialized. The communication configuring modules built in the main server and the backup server also start to be initialized to automatically update the initialization configuring data corresponding to and connected with the client terminal of the intelligent optical network. The client terminal of the intelligent optical network automatically conducts the functional identification and initialization of the CPU control module and the internet-of-things interface module. According to the communication management method and system based on intelligent optical network unit proposed by the invention, a long-time TCP connection and fault-tolerance and correction mechanism between a modularized intelligent optical network and a management platform is maintained. With the management method, the requirement of the TCP on the number of the TCP interfaces can be effectively reduced; the number of the servers and the overheads of the servers can be reduced; the switching between the main server and the backup server is realized, so is the switching between the IP and the domain name. Further, as fault-tolerance processing is introduced, connection can recover automatically when a fault occurs to the intelligent device.

The invention discloses a heating-mode switchable vulcanizing tank. The vulcanizing tank comprises a tank body, and the first end of the tank body is provided with a tank cover; the vulcanizing tank further comprises a U-shaped pipe, connecting pipes and a switching barrel; a fixed plate is arranged in the center position of the second end of the tank body, the turn end of the U-shaped pipe is fixedly connected with the fixed plate through a fixed base, and the branch ends of the U-shaped pipe are fixedly connected with the first ends of the two connecting pipes; the second ends of the connecting pipes penetrate through the side wall of the tank body, are arranged outside the tank body and connected with a high-temperature steam engine; the switching barrel is a circular barrel body, and the first end tail of the switching barrel is provided with an end cover; the first end of the switching barrel is connected with the fixed plate, and the second end of the switching barrel is provided with two circular through hole allowing the connecting pipes to penetrate through; the U-shaped pipe is provided with a plurality of air outlet holes. According to the heating-mode switchable vulcanizing tank, the detachable switching barrel is additionally arranged outside the U-shaped pipe, so that switching conducted between the two heating modes of direct heating and indirect heating is achieved according to the heating requirements of products.

A random laser which is used for a liquid mixed with magnetic nanoparticles and is provided with a controllable switch comprises a sealed container, a laser dye solution, scattering particles, a set of magnetic elements, a focusing lens and an optical pumping device, wherein the focusing lens is located between the sealed container and the optical pumping device, the laser dye solution and the scattering particles are arranged inside the sealed container, and the scattering particles are the magnetic nanoparticles. In the working process, the concentration of the magnetic particles in a scattering region is changed by controlling the magnetic field of the magnetic elements, so that the scattering intensity of a pumping area is conveniently changed, and therefore the optical feedback intensity in a random gain medium is changed to achieve the purposes of opening and closing. Compared with prior art, the random laser which is used for the liquid mixed with the magnetic nanoparticles and is provided with the controllable switch is stable in working state, is not affected by the environment temperature easily, is simple in structure, is integrated more easily, can be controlled easily and is wider in application range.

The invention relates to the field of machining, in particular to a multi-camera workpiece clamping device for combined machining that can remove iron filings, comprising a supporting chassis, a rotating assembly, a turning assembly and the like; , and the top surface of the supporting chassis is provided with a flipping component. According to the number of teeth of the missing gear and the spur gear, one rotation of the missing gear can drive the spur gear and its upper device to rotate 90 degrees, so that the turret drives the workpiece to rotate 90 degrees, so as to realize the purpose of switching the position of the workpiece. , which is convenient for the processed parts to enter the next processing process.