32results about How to "Prevent momentary interruption" patented technology

An electric power source system in which a momentary interruption of the electric power supply does not occur when the direction of voltage conversion is switched by a voltage conversion device that is capable of bidirectional voltage conversion. The electric power source system includes a bidirectional switching regulator that selectively switches between the voltage conversion in the step-up direction from a low-voltage system to a high-voltage system and the voltage conversion in the step-down direction from the high-voltage system to the low-voltage system, and a linear regulator, connected in parallel to the bidirectional switching regulator, that converts voltage in the step-down direction. The direction of current that flows via the bidirectional switching regulator switches from the step-up direction to the step-down direction after current flows in the step-down direction via the linear regulator.

The routing calculation method based on the shortest opened route priority routing protocol includes organizing with Hash list class-V LSA link state library, which has its Hash units and LSAs with routing calculating mark; adding newly accepted LSA into corresponding Hash unit and setting separately the said unit and the LSA routing calculating mark the same as the LSA destination address in this unit; then calculating the routing of LSA set by the routing calculating mark; and finally updating the routing list based on the calculation result. Adopting partial routing calculation method, the present invention can decrease the processor occupying time and raise the outing calculating efficiency. To the network nodes operating OSPF protocol, the said method can avoid instantaneous service break, instantaneous no response of router and other equipment, etc.

A dynamic distribution method for synchronous digital system equipment space-time division cross timeslot resource is provided. The service data of the whole network collocated on a network management system is sent down to a network element. The network element adjusts the service collocation data. The states of all the space-time division resources are marked. One service collocation record is obtained and the required space-time timeslot resource is appointed. Whether the time division resource distribution is needed is determined. Whether the timeslot has already previously been distributed with resource is determined. Whether the distributable resources are available is determined; if the distributable resources are available, the occupation marks are distributed and given to the resources and the timeslot information is set down. The space-time division resource states are renovated, the time division resources no longer to be used are released and the resources as usable are remarked. The invention utilizes most of the node cross connection ability to ensure that the equipment have high service transmission rate and low blocking rate. The problem that the cross connection ability of the space-time division chip is not enough is effectively solved and the service break is avoided.

The invention discloses an Ethernet ring network-based PBB-TE protection method, which comprises the following steps of: quickly recovering communication by utilizing wrap data messages; and triggering the switching of main and backup links by utilizing the wrap data messages. The method solves the problem of expandability of the application of the PBB-TE technology on the ring network, reduces network resources occupied by the CCM messages, and simultaneously avoids momentary interruption of the communication during switching the chains.

A radio communication control device includes a radio parameter update determination portion, a transmission power value change portion and a radio parameter update portion. The radio parameter update determination portion determines whether or not to update a radio parameter relating to at least one of a communication frequency and transmission power to a new radio parameter. The transmission power value change portion performs a transmission power change process to change a transmission power value during data transmission to a radio communication station to a smaller value in stages at predetermined intervals when the radio parameter update determination portion determines to update the radio parameter to the new radio parameter. A radio parameter update portion updates the radio parameter to the new radio parameter when the transmission power value change portion changes the transmission power value to a preset lower limit or less.

The invention provides an engine starting device which prevents intermittent disconnection with a simple circuit structure without damaging the function of the starting device even in the case of action failure of a short-circuiting switch. The engine starting device includes: a starter switch 5 which is serially connected between a power supply 3 and a starting engine 2; a resistor 6 which is serially connected with a starting engine switch; the short-circuiting switch 7 which makes the resistor be short out; and a timing circuit 8 which controls the on-off of the short-circuiting switch, electrifies the starting engine by the power supply via the starter switch and the resistor through shutting off the starter switch 5 to shut off the short-circuiting switch 7 after a delay period afterthe starter switch is shut off, such that the short-circuiting switch 7 is shut off and the resistor is short out; the contact of the short-circuiting switch 7 is a normally closed contact; before the contact of the starter switch 5 is closed, the contact of the short-circuiting switch 7 is disconnected; and after the contact of the starter switch is closed, the contact of the short-circuiting switch 7 is closed.

A selection method of transmission equipment business board bus is used in the system with a main and a secondary business control board and a dual bus connection between the main and the secondary business control board and the business board. The method includes the following steps: (a) before each bus selection judgment, the business board judges message received by a backboard about whether relevant units of the main and the secondary control board business processing are ready and preserves the prior status after judgment; (b) in the bus selection judgment course, use the preserved prior status as the basis about whether the main and the secondary control board business processing relevant units received by the backboard bus are ready and the bus selection judgment. The invention can effectively improve the reliability of transmission equipment business board bus selection.

The invention discloses a method and device for business configuration, which are applied to an interdigitated unit connected with a network element management unit, wherein, the method comprises the steps that: the current business configuration is locked and the current business configuration information corresponding to the appointed business configuration in the current business configuration is obtained; identification is set for the appointed business configuration according to the business configuration information, wherein, under the situation that a plurality of pieces of business configuration information corresponding to the appointed business configuration exist, the identification of the appointed business configuration is set according to the posterior business configuration information in a plurality of pieces of the business configuration information and used for representing the processing method of the corresponding business configuration information; corresponding processing is carried out to the appointed business configuration according to the set identification. The invention simply and conveniently avoids the business short interruption, and reduces the cost for solving the business short interruption.

The invention relates to a connector having a contact member with a transient interruption prevention mechanism. The contact member of the connector (1) comprises a fixing part (12a) kept in a housing (10), and a first and a second elastic contacting part (12da, 12db) having at least two shunts and are connected to the fixing part (12a). The first elastic contacting part (12da) comprises a contacting part (12da1) which protrudes from an installing hole (15), applies force and is connected to the electrode (21) of an installed opposite side connection body (2), and a substrate force application part (12da1) which applies force to a substrate (3) through the displacement of the contacting part of the installed opposite side connection body (2). In the second elastic contacting part (12db), the contacting part (12da1) protrudes from the installing hole (15), applies force and is connected to the electrode (21) of the installed opposite side connection body (2). Even if the contacting part (12db1) with the force being applied by the installed opposite side connection body (2) conducts displacement, the front end is a free end.

The system comprises: PE and switch device located between PE and CE. Said PE is used for providing OVPN network access for CE; said switch device is used for releasing the CE completing work and / or connecting the PE to the CE used for word in next time interval at a switch time point. The invention also reveals a method of switching OVPB service, which comprises: presetting up a switch device between PE and CE, and pre-saving the working time interval corresponding to the CE; according to the saved time interval, determining a switch time point; b) when reaching the switch time point, the switch device releases the CE completing the work and / or connecting the CE to its corresponding PE in next work time interval, according to the saved working time interval corresponding to the CE. The invention can reduce the occupation of the port on PE.

A button cell terminal (10) electrically connecting a button cell (2) and a circuit board (1) is provided with spring contact terminal portions (11), board bonding portions (12), and a pressure-absorbing spring portion (13). The spring contact terminal portions are formed in a spring shape deforming elastically in response to pressure in the X-axis direction and the Z-axis direction from the button cell. The board bonding portions are bonded to the circuit board. The pressure-absorbing spring portion is provided with a bending arm portion (14) for absorbing pressure from the button cell by elastic deformation in response to pressure in the X-axis direction and the Y-axis direction from the button cell.

The invention provides a card connector which can ensure full contact pressure relative to a card and prevent transient interruption caused by foreigner matters or resonance. The card connector is provided with a plurality of contacts (5,5...) prepared by conductive metal materials; the contacts project from an inner bottom surface of a card inserting part (2) and are configured on elastic contact parts (4) contacting with pads (6,6...) on a surface of a card (A). The elastic contact parts are provided with a plurality of elastic springs (34,35) in different shapes, respectively provided with inclined sheets (32,33), and stacked at intervals up and down; front end portions of the inclined sheets (32,33) mutually form a plurality of fork shapes, and the inclined sheets are parallelly provided with pad contacts (36,37) in card width directions; when a card is inserted into the card inserting part, the elastic springs (34,35) are pushed by the card to allow the inclined sheets (32,33) stacked up and down to contact mutually; all pad contacts (36,37) of the elastic contact parts (4) are respectively in contact with corresponding pads (6).

The invention discloses a shockproof connector and a connector assembly, wherein the shockproof connector includes a connecting piece, an electrical contact assembly and an engaging piece. The connecting piece is hollow and is divided into a threaded section and a clamping section along its axial direction. The electrical contact assembly is passed through the connector, and a first annular protrusion is provided on the outer periphery of the clamping section, and the first annular protrusion has a first engaging surface facing away from the threaded section. The engagement piece is sheathed on the outer periphery of the electrical contact assembly and can move along the axial direction of the electrical contact assembly; the engagement piece is also clamped on the inner circumference of the clamping section to limit its relative rotation with the connecting piece. The engaging member and connecting member are rotatable together along the periphery of the electrical contact assembly. The engagement member also has a second engagement surface facing the first engagement surface, and the first engagement surface and the second engagement surface are both provided with concavo-convex structures and engage with each other. The anti-vibration connector of the invention can solve the technical problem that the existing connector is prone to loose threaded connection under the working state of continuous vibration.

The invention provides a card connector which can ensure full contact pressure relative to a card and prevent transient interruption caused by foreigner matters or resonance. The card connector is provided with a plurality of contacts (5,5...) prepared by conductive metal materials; the contacts project from an inner bottom surface of a card inserting part (2) and are configured on elastic contact parts (4) contacting with pads (6,6...) on a surface of a card (A). The elastic contact parts are provided with a plurality of elastic springs (34,35) in different shapes, respectively provided with inclined sheets (32,33), and stacked at intervals up and down; front end portions of the inclined sheets (32,33) mutually form a plurality of fork shapes, and the inclined sheets are parallelly provided with pad contacts (36,37) in card width directions; when a card is inserted into the card inserting part, the elastic springs (34,35) are pushed by the card to allow the inclined sheets (32,33) stacked up and down to contact mutually; all pad contacts (36,37) of the elastic contact parts (4) are respectively in contact with corresponding pads (6).

The routing calculation method based on the shortest opened route priority routing protocol includes organizing with Hash list class-V LSA link state library, which has its Hash units and LSAs with routing calculating mark; adding newly accepted LSA into corresponding Hash unit and setting separately the said unit and the LSA routing calculating mark the same as the LSA destination address in this unit; then calculating the routing of LSA set by the routing calculating mark; and finally updating the routing list based on the calculation result. Adopting partial routing calculation method, the present invention can decrease the processor occupying time and raise the outing calculating efficiency. To the network nodes operating OSPF protocol, the said method can avoid instantaneous service break, instantaneous no response of router and other equipment, etc.

The invention discloses an anti-vibration connector and a connector assembly, and the anti-vibration connector comprises a connecting piece, an electric contact assembly, and a meshing piece. The connecting piece is hollow and is divided into a threaded section and a clamping section in the axial direction of the connecting piece. The electric contact assembly is arranged in the connecting piece in a penetrating mode, a first annular protrusion is arranged on the periphery, located in the clamping section, of the electric contact assembly, and the first annular protrusion is provided with a first meshing face back to the threaded section. The meshing piece is arranged on the periphery of the electric contact assembly in a sleeving mode and can move in the axial direction of the electric contact assembly. The meshing piece is further clamped to the inner circumference of the clamping section so as to limit relative rotation of the meshing piece and the connecting piece. The meshing piece and the connecting piece are rotatable together along an outer periphery of the electrical contact assembly. The meshing piece is further provided with a second meshing face facing the first meshing face, and the first meshing face and the second meshing face are each provided with a concave-convex structure and are meshed with each other. The shockproof connector can solve the technical problem that the threaded connection of the existing connector is easy to loosen in a continuous vibration working state.

A selection method of transmission equipment business board bus is used in the system with a main and a secondary business control board and a dual bus connection between the main and the secondary business control board and the business board. The method includes the following steps: (a) before each bus selection judgment, the business board judges message received by a backboard about whether relevant units of the main and the secondary control board business processing are ready and preserves the prior status after judgment; (b) in the bus selection judgment course, use the preserved priorstatus as the basis about whether the main and the secondary control board business processing relevant units received by the backboard bus are ready and the bus selection judgment. The invention caneffectively improve the reliability of transmission equipment business board bus selection.

The invention discloses an SDH-based service path control method, system and storage medium. The method includes: generating a service ID to identify the service of the current service path according to the service entry and service exit; after the service calculation is completed, Use the service routing data structure bound to the service ID to save in real time each section of the cross-path that the service passes through; when the service is recalculated, determine whether the service has a route saved, and if so, calculate according to the path in the route and Restore the service, if not, search for an idle path to calculate the service. The present invention uses the service route bound to the service ID to record the cross path of the current service in the system. After the system is reset, when the service needs to be recalculated, the route is preferentially used to restore the service, ensuring that the existing service path will not occur Changes to avoid momentary breaks or bit errors caused by service path adjustments.

A CDMA mobile communication system which creates the time during which peripheral base stations using different radio frequencies and executes the hand-off between base stations using different radio frequencies without momentary interruption. A mobile station (504) of the CDMA mobile communication system suspends the error correcting and decoding processing of received signals, outputs user data which are not subjected to the error correcting and decoding processing, and, during this suspending time, monitors the receiving levels of the peripheral base stations by switching the receiving frequency to the radio frequencies of the base stations. The base station (502) now in contact and the next base station (503) transmit only the user data during the hand-off period from the base station (502) to the next base station (503) using different frequencies and do not transmit transmission signals during the transmitting period of an error correcting and encoding check bit. The mobile station (504) receives and demodulates signals transmitted from the base station (502) and, during the transmitting period of the error correcting and encoding check bit, receives and demodulates signals transmitted from the next base station (503) by switching the frequency of its receiver to that of the next base station (503).

A button battery terminal (10) electrically connecting a button battery (2) to a circuit board (1) includes a spring contact terminal portion (11), a substrate joint portion (12), and a pressure absorbing spring portion (13). The spring contact terminal portion is formed in a spring shape elastically deformed by pressing in the X-axis direction and the Z-axis direction of the button battery. The substrate bonding portion is bonded to the circuit substrate. The pressure absorbing spring part includes a bent arm part (14) for absorbing the pressing force of the button-type battery by elastic deformation corresponding to the pushing force of the button-type battery in the X-axis direction and the Y-axis direction.

Fault detection method, cellular base station and cellular communication management processor. In a cellular telecommunication system, outage management with respect to each cell B is managed by recommending a neighbor cell A, whose identity is recorded in the cell B's neighbor list. If cells C, D other than recommended neighbors detect a suspicious outage in cell B, the cell that detected the outage identifies recommended neighbor A from the neighbor list of cell B and sends an outage report to recommended neighbor cell A, which Coordinates the handover and interrupt management process. This avoids conflicting attempts to manage the recovery process caused by multiple detections of the same outage. The selection of recommended neighbors for cell B can be done autonomously by the cell itself or by a centralized processor (2), and can be done in a way that supports network resilience, i.e., avoiding reciprocity between cells, using a second backhaul system for connections to Cell B of the first backhaul system chooses to recommend neighbor A and avoids using cell E with intermittent or transient connections to the network.

A dynamic distribution method for synchronous digital system equipment space-time division cross timeslot resource is provided. The service data of the whole network collocated on a network management system is sent down to a network element. The network element adjusts the service collocation data. The states of all the space-time division resources are marked. One service collocation record is obtained and the required space-time timeslot resource is appointed. Whether the time division resource distribution is needed is determined. Whether the timeslot has already previously been distributed with resource is determined. Whether the distributable resources are available is determined; if the distributable resources are available, the occupation marks are distributed and given to the resources and the timeslot information is set down. The space-time division resource states are renovated, the time division resources no longer to be used are released and the resources as usable are remarked. The invention utilizes most of the node cross connection ability to ensure that the equipment have high service transmission rate and low blocking rate. The problem that the cross connection ability of the space-time division chip is not enough is effectively solved and the service break is avoided.

The invention discloses a service path control method and system based on SDH, and a storage medium, and the method comprises the steps: generating a service ID for identifying the service of a current service path according to a service entrance and a service exit; after the service calculation is completed, storing each section of cross path through which the service passes in real time by usinga service routing data structure bound with the service ID; and when the service is recalculated, judging whether the service stores a route or not, if so, calculating and recovering the service according to a path in the route, and if not, searching an idle path to calculate the service. According to the invention, the service route bound with the service ID is used for recording the crossed path through which the current service passes in the system, and after the system is reset and when the service needs to be recalculated, the route is preferentially used for recovering the service, so that the existing service path is not changed, and instantaneous interruption or error codes caused by adjustment of the service path are avoided.