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 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 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 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 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 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.