35 results about "Pair type" patented technology

A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users.

The present invention is contrived to adopt a differential pair type amplifier circuit comprising a differential pair constituted by a first transistor receiving an input of a first signal and by a second transistor receiving an input of a third signal generated by outputting a second signal of which the voltage level is a power supply voltage. Elements requiring a matching are two transistors constituting the differential pair for the amplifier circuit. Because of this, the elements requiring a matching can be placed close to each other regardless of a layout between the amplifier circuits.

The invention discloses a data transmission method. The data transmission method comprises the steps that the pairing type is automatically selected to carry out equipment pairing according to the current network quality; after pairing is successfully carried out, a corresponding wireless communication mode is automatically selected to transmit data according to the selected pairing type. Compared with the prior art, the data transmission method has the advantages that due to the facts that when the data are transmitted, the optimal pairing type can be automatically selected to carry out equipment pairing according to the current network quality, and the corresponding wireless communication mode can be selected to transmit the data after pairing is successfully carried out, the possible problems that when a user carries out manual selection, transmission quality of a wireless network is poor, and the transmission speed of the wireless network is low are solved, user operation is simplified, and user experience is improved.

A system for monitoring network traffic and resource usage in a data center. The system comprises a node comprising an input terminal for capturing network packets. The node comprises a processor for running a packet analyzer for analyzing the network packets classifying packets in request / response pairs per type based on deep packet inspection and storing the request / response pair types together with time stamps. The node comprises a memory configured for storing the request / response pairs. The system comprises a collector module configured for collecting the request / response pairs. The system comprises at least one server running a simple agent programmed for transferring resource usage. The system comprises a correlation module programmed for correlating the request / response pairs information with the resource usage.

A receiving apparatus is provided. The receiving apparatus includes a first receiver which receives a first signal through a radio frequency (RF) broadcast network, a second receiver which receives a second signal through an internet protocol (IP) communication network, and a signal processor which detects pair type information from at least one of the first signal and the second signal, selects pair information, corresponding to the pair type information, from among the pair information included in the at least one of the first signal and the second signal, and synchronizes the first signal and the second signal with each other according to the selected pair information. Accordingly, different signals are synchronized and output.

A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users.

The invention discloses a vehicle transverse swinging stopping device, which comprises a lifting mechanism and a transverse swinging mechanism, wherein the lifting mechanism comprises a lifting power unit, screw mandrels, nuts screwed on the screw mandrel, two upper stay bars and two lower stay bars; the two upper stay bars and the two lower stay bars respectively take the screw mandrels and the nuts as movable pairs to form an upper plane four-bar mechanism and a lower plane four-bar mechanism; and the transverse swinging mechanism comprises a transverse swinging power unit and a transverse driving wheel. The vehicle transverse swinging stopping device adopts a movable pair type plane four-bar mechanism which is combined with a transverse driving wheel structure to complete lift and sideslip of the tail of a vehicle, is convenient to put straight the tail of the vehicle under the condition of parking, does not require arrangement of complex pipelines and lines, is simple and convenient to arrange, has low manufacturing cost and light weight, accords with the development trends of light weight, energy saving and emission reduction of the modern vehicle, and is suitable for parking of middle-size and small-size vehicles such as sedans, etc. in a narrow place.

A method for acquiring and analyzing polypeptide mass spectra comprising: creating first and second sets of fragmented ions using first and second fragmentation techniques; obtaining mass spectra of the first and second sets of fragmented ions; searching a database of fragments of a first fragment pair type and of a second fragment pair type to respectively provide a set of M ranked and a set of N ranked best matching polypeptide sequences; subtracting synthetic spectra corresponding to each of the M and N ranked sequences from the mass spectra to provide first and second sets of modified mass spectra; searching the database of fragments of the second fragment pair type and of the first fragment pair type to provide third and fourth sets of polypeptide sequences providing best matches to the first and second sets of modified spectra, respectively; and creating a cumulative ranking of the third and fourth sets.

An electromagnetic bolt-gear pair type shafting locking mechanism capable of capable of being controlled through programming comprises a micro controller part, a locking telescopic mechanism part and a locking gear shafting. The electromagnetic bolt shafting locking mechanism controls switch-on or switch-off of a relay through micro controller signals, switch-on or switch-off of an electromagnetic bolt coil connected to the relay in series is controlled, and therefore a coil magnetic field is controlled to finish the target that a bolt ejection shaft is ejected into and out of a locking gear groove, and finally the shafting locking and opening functions are achieved. The electromagnetic bolt-gear pair type shafting locking mechanism has the advantages of being compact in structure, capable of locking at any angle and automatic alignment, reliable in performance and the like, and the mechanism can be applied to a micro controller program algorism to control locking and unlocking of a mechanical shafting, and is suitable for a stable tracking platform system and other electromechanical systems with the shafting locking requirement.

The invention discloses a paired type observing ruler and gauge combined composite leveling instrument; the composite leveling instrument is provided with a column-shaped ruler body (1) and a level (6), wherein a leveling staff (2) and an observing unit (3) are fixed on the same column surface of the column-shaped ruler body (1); the leveling staff (2) is parallel to the axis of the column-shaped ruler body (1); the observing unit (3) can slide up and down; the observing unit (3) is provided with an opposite side height signal detector (4) and a home height signal detector (5), which are fixedly connected with each other; and a collimation axis of the opposite side height signal detector (4) is vertical to the axis of the column-shaped ruler body (1). Point-to-point direct leveling is truly realized; point selection and point arrangement are not limited by terrain environments; and leveling can be conveniently carried out in complicated geographic conditions, such as abrupt slopes, ditches, rivers, mountainous areas and so on.

The invention discloses a one-way transmission device which can convert reciprocating motion / swinging into one-way continuous rotation. Compared with the prior art, the one-way transmission device is mainly characterized in that two forward-swinging and backward-swinging overrun clutches are low-pair-type space-wedged friction overrun clutches which are axially jointed; and forward-swinging input pieces and backward-swinging input pieces of the two clutches are directly and circumferentially fixed and connected along the same axis in a manner of non-relative rotation at least or are directly connected in an outer-gearing manner. In addition, in order to realize the combined output of the two overrun clutches, the one-way transmission device is also provided with at least one transmission connector so as to connect the forward-swinging output pieces / shafts and backward-swinging output pieces / shafts of the two clutches together. Compared with the prior art, the one-way transmission device has the advantages of simple structure, small volume, easiness in manufacture, large torque capacity, automatic wear compensation and long service life and the like, and is an ideal selection of a pulsing-type continuously-variable transmission output mechanism.

Hybrid plug connectors are provided for connecting different electronic modules to insulators arranged in an outer casing and for receiving a power conductor transmitting a power supply and a shielded data conductor for data transmission for transmitting signals / data of an industrial bus, such as ISA, ethernet or similar, wherein the power conductor has at least two power lines and the data conductor has at least one data line, wherein the power lines and the data lines are guided in contact parts designed as plugs or sockets and can be coupled via these contacts parts, and wherein the outer casings of the pair-type hybrid plug connectors can be joined inside one another for interlocking coupling. The insulator arranged in each of the plug connectors can be arranged in a shield housing as a contact carrier receiving arrangement, the shield housing accommodating a contact carrier, which carries forward the data line(s) designed as plug sockets or plug pins in a shielded manner in the plug connector, and wherein the coupleable contacts form a shape-encoded interlocking connection in the plugged-in state of the connection.

The embodiment of the invention provides a method and device for detecting a hive data table, relates to the technical field of computers, and can quickly and accurately perform data uniqueness detection on the hive data table. The method for detecting the hive data table of the embodiment of the invention comprises the following steps: establishing a configuration file for the tested hive data table, wherein configuration information of the configuration file comprises a table name and a primary key; constructing a data file used for counting the occurrence number of the primary key in the hive data table, wherein the data file is the key-value pair type, the primary key of a data record of the hive data table is used as the key, and the occurrence number of the primary key of the hive data table is used as the value; updating the data file when monitoring that a new data record is inserted into the hive data table; and in the case where the data file has a value greater than 1, sending a first alarm message for reminding data duplication.

An aluminum hanging part pair type dry seal stone curtain wall system comprises columns, beams and stone plates. The beams are continuous sectional materials and are connected with the columns respectively through a connecting piece. Every beam is provided with a connecting part, an upper hook part and a lower hook part, wherein the outer side of the connecting part is fixedly connected with the connecting piece, the upper hook part and the lower hook part are located on one side of the connecting part and vertically arranged, the upper hook part is in hung connection with the stone plate above the beams through an upper hanging part, the lower hook part is in hung connection with the stone plate below the beams through a lower hanging part, horizontal sealing rubber strips with long tails are arranged between the upper hook part and the stone plate and between the lower hook part and the stone plate, and a drain hole is arranged at the position corresponding to a vertical slit between the lower hook part and the adjacent stone plate. Upper fixing parts and lower fixing parts respectively extend out upwards and downwards on the inner sides of the connecting parts of the beams, drainage grooves are arranged between vertical slits of the adjacent stone plates, openings of the drainage grooves are towards the outer portions of the stone plates, vertical sealing rubber strips are arranged between two ends of the opening of every drainage groove and the stone plates, and the bottoms of the drainage grooves are provided with silicon rubber sheets or drainage nozzles.

The invention discloses an implementation method and device for generating a key pair in an embedded system. The method includes the following steps: a CPU obtains an RSA public key index, the RSA modulus length and the RSA key pair type from a received instruction of generating a key pair; a first seed matched with security of the RSA modulus length is generated; a first certainty prime number and a second certainty prime number are generated according to the RSA modulus length, the first seed and the RSA public key index; and an RSA public key modulus and an RSA private key corresponding tothe key pair type are generated according to the RSA modulus length, the RSA public key index, the first certainty prime number and the second certainty prime number, an RSA public key is formed according to the RSA public key modulus and the RSA public key index, and the SA public key and the RSA private key are stored. The technical scheme of the invention improves security of generating the keypair.

The invention discloses a dual-input gear pair type high-torque gearbox. The dual-input gear pair type high-torque gearbox comprises a box body. The box body is provided with a first gear and a second gear which are in engaged transmission. The second gear is connected with an input shaft. The box body is further provided with a first output shaft, a second output shaft, a first gap bridge shaft and a second gap bridge shaft. A first gear set is arranged on the first gap bridge shaft. A second gear set is arranged on the second gap bridge shaft. The first gear set and the second gear set are in engaged transmission through a third gear, and the third gear is coaxially connected with the first gear. The first gear set is in key connection with the first output shaft. The second gear set is in key connection with the second output shaft. According to the dual-input gear pair type high-torque gearbox, traditional single gear pair input is changed into dual gear pair input, a traditional way that one input force drives two output resistances is changed into the way that two input forces drive two output resistances, and superposition of input torques is achieved.

This invention discloses a ping-pong pairing type verification method for switch chip consists of a transmitting port for mutual transmitting / receiving data package, a receiving port for receiving data package and a data package post box. Said invention can find and correct the errors occurred at same location and could not be found formerly to keep the function and operation of network switch chip.

The invention discloses a high-gain operational amplifier using feedforward compensation, comprising a differential first gain stage, a gain bootstrap type folded cascode second gain stage and a differential pair type feedforward compensation circuit; wherein the differential first gain stage and the gain bootstrap type folded cascode second gain stage are connected in series, and meanwhile the differential pair type feedforward compensation circuit is connected with the first and second gain stages in parallel. The feedforward compensation circuit adopts a differential pair type compensationcircuit, which is simple in structure, is easy to implement, and replaces the traditional compensation capacitor form, so that the chip area can be reduced, the feedforward compensation circuit is easy to be integrated, on the other hand, the feedforward compensation circuit replaces the traditional pole separation miller compensation technology to ensure circuit stability and to greatly increasethe bandwidth of the system at the same time; and the second gain stage adopts an error amplifier of a gain bootstrap type folded cascode structure, which can have a better power supply rejection ratio than the traditional differential circuit while meeting high gain, and a main pole is from a secondary pole due to the increase of the output resistance, so that the circuit is more stable.

An anthropomorphic wrist-finger hybrid mechanism comprises a parallel wrist mechanism and five finger mechanisms which are connected with the parallel wrist mechanism and are of the same structure. The parallel wrist mechanism comprises a small arm frame, three sliding pair-ball pair-ball pair type driving branched chains, a middle spherical hinge restraint device and a palm frame. The palm frame is driven by the parallel wrist mechanism to rotate three times relative to the small arm frame around a spherical hinge. Each finger mechanism comprises a finger driving mechanism a finger holder, three connecting rods, a finger frame, a swing finger and a sliding rod. The five finger holders are fixedly connected with the palm frame according to the connection positions of the wrist and fingers of a human body. Each finger driving device comprises a finger motor, a finger lead screw, a finger screw nut, a guide rod, a sliding sleeve and a spring. When each finger screw nut is driven to move downwards, the corresponding spring, a sliding block, the corresponding three connecting rods, the corresponding finger frame and the corresponding sliding rod drive the corresponding swing finger to achieve flexible grasping and swinging. When each finger screw nut is driven to move upwards, the corresponding sliding block, the corresponding three connecting rods, the corresponding finger frame and the corresponding sliding rod drive the corresponding swing finger to restore. The anthropomorphic wrist-finger hybrid mechanism is simple and compact in structure and large in driving force, the palm frame can drive the five fingers to rotate three times relative to the small arm frame in an anthropomorphic wrist mode, and each finger can also rotate three times in an anthropomorphic mode.

An electromagnetic bolt-gear pair type shafting locking mechanism capable of capable of being controlled through programming comprises a micro controller part, a locking telescopic mechanism part and a locking gear shafting. The electromagnetic bolt shafting locking mechanism controls switch-on or switch-off of a relay through micro controller signals, switch-on or switch-off of an electromagnetic bolt coil connected to the relay in series is controlled, and therefore a coil magnetic field is controlled to finish the target that a bolt ejection shaft is ejected into and out of a locking gear groove, and finally the shafting locking and opening functions are achieved. The electromagnetic bolt-gear pair type shafting locking mechanism has the advantages of being compact in structure, capable of locking at any angle and automatic alignment, reliable in performance and the like, and the mechanism can be applied to a micro controller program algorism to control locking and unlocking of a mechanical shafting, and is suitable for a stable tracking platform system and other electromechanical systems with the shafting locking requirement.

The invention discloses a quick connecting ball pair type coupler which comprises an input shaft flange plate, an output shaft flange plate and a connector, wherein the connector comprises a core shaft, a rubber elastomer is arranged at one end of the core shaft in a wrapped manner, metal blocks are uniformly arranged on an outer circumferential surface of the rubber elastomer, the core shaft, the rubber elastomer and the metal blocks are adhered to form an integrated structure, a boss is arranged on the outer circumferential surface at the other end of the core shaft, a jacket is provided with a retainer which is provided with a barb, a spring is fixedly arranged on the end of the retainer, which is close to the barb, a group of circular holes are uniformly arranged in the end of the retainer, which is away from the barb, along a circumferential direction, steel balls are arranged in the circular holes, the end of the connector, which is provided with the rubber elastomer, is arranged in a blind hole of the input shaft flange plate, and the other end of the connector is arranged in a through hole of the output shaft flange plate. When the quick connecting ball pair type coupler disclosed by the invention is adopted, two shafts can be coupled and disassembled quickly and conveniently, and rotation errors are reduced to a certain extent; and moreover, the quick connecting ball pair type coupler has the advantages of low energy consumption, safety, reliability, compact structure and high power.

Hybrid plug connectors are provided for connecting different electronic modules to insulators arranged in an outer casing and for receiving a power conductor transmitting a power supply and a shielded data conductor for data transmission for transmitting signals / data of an industrial bus, such as ISA, ethernet or similar, wherein the power conductor has at least two power lines and the data conductor has at least one data line, wherein the power lines and the data lines are guided in contact parts designed as plugs or sockets and can be coupled via these contacts parts, and wherein the outer casings of the pair-type hybrid plug connectors can be joined inside one another for interlocking coupling. The insulator arranged in each of the plug connectors can be arranged in a shield housing as a contact carrier receiving arrangement, the shield housing accommodating a contact carrier, which carries forward the data line(s) designed as plug sockets or plug pins in a shielded manner in the plug connector, and wherein the coupleable contacts form a shape-encoded interlocking connection in the plugged-in state of the connection.

The invention discloses a rotating part-supporting mechanism for a lower die of a Transfer line. The mechanism comprises a pair type support insert, a mounting block, a first rotating shaft, a first rotating shaft mounting block, a second rotating shaft, a second rotating shaft mounting block, a split pair type support insert, a part positioner, a part inductor, a part dowel pin, a return limiting block, a cylinder, a cylinder transition joint, a cylinder lug shaft base and a guide plate; the pair type support insert is fastened on the mounting block through a screw pin; the first rotating shaft and the first rotating shaft mounting block are mounted in a hole-shaft matching manner; and the first rotating shaft mounting block is mounted on a mold body through a screw pin. The mechanism solves the technical problem of angle-turning of parts on the Transfer line, helps to achieve punching production of parts which have complicated punching processes and need angle-turning operation before and after procedures, on the Transfer line, improves the production efficiency, and reduces the manufacturing cost and the labor cost.

The invention provides a circuit system capable of increasing the noise margin of CAN bus signals. The circuit system comprises a CAN bus transceiver. The CAN bus transceiver comprises a CAN bus high end, a CAN bus low end, a power source end and a power source ground end, wherein the power source end and the power source ground end are connected to a positive electrode and a power source ground of a power supply source. The circuit system also comprises a positive power source with the power source ground as the central ground, a negative power source, a first constant current source and a second constant current source. By means of the functions of the constant current source CC1 and the constant current source CC2, when the CAN transceiver outputs a high differential voltage, the voltage value is higher than a voltage value in the prior art, and when the CAN transceiver outputs a low differential voltage, the voltage of the CANL end is higher than that of the CANH end, so that differential negative voltage output is realized. Therefore, the output voltage identification threshold is effectively increased, namely the noise margin is raised; further the anti-interference capability of a twisted-pair type CAN communication bus is improved and the CAN communication bus can be applied in an environment with great electromagnetic interference.

The invention discloses a spherical pair centering and one-dimensional calibration target for an automobile topography visual detection system and aims to solve the problem about centering rotation required by calibration of the one-dimensional calibration target for the automobile topography visual detection system. The spherical pair centering and one-dimensional calibration target for the automobile topography visual detection system mainly comprises a camera support (1), a camera (2), a spherical pair type target rod (3), conical targets (4) and a base (5), wherein the spherical pair type target rod (3) can rotate to any position around the center of a spherical surface pit of the base (5), the system acquires images of the conical targets (4) through the camera (2), and all parameters of the camera (2) are calibrated according to the images, acquired by the camera (2), of the conical targets (4) in multiple positions. The spherical pair centering and one-dimensional calibration target for the automobile topography visual detection system is simple in structure, high in detection accuracy, simple and convenient to operate, easy to mount, lower in cost and reliable in performance.

The invention relates to a multifunctional special-shaped electric bridge, belonging to the field of measurement technology, autocontrol technology and electronic equipment. A monopolar electric bridge and a bipolar electric bridge have four structural types of pair type, composite type, chain type and tree type respectively. The monopolar electric bridge comprises a resistor, a voltage-controlledcurrent source, a multiplier or a follower and the like. The bipolar electric bridge comprises a resistor, an operational amplifier, a multiplier or a follower and the like. When the electric bridgeis balanced, each bridge arm or bridge limb has the same resistance ratio. The voltage, the current and the power of a pressure flow bridge arm, a balanced bridge limb and a source-controlled bridge limb are extremely simple and convenient to be measured; a proportional controller leads the incitation of the bridge arms and the bridge limbs to be controlled independently; each bridge arm and eachbridge limb can obtain different controllable power; and the composite-type electric bridge, the chain-type electric bridge and the tree-type electric bridge can realize the relational operation of resistance values among a plurality of bridge arms and bridge limbs. The multifunctional special-shaped electric bridge is characterized by simple structure, abundant functions, wide applicable scope, convenient usage and the like, and has extremely high practical values.

The invention discloses a one-way transmission device which can convert reciprocating motion / swinging into one-way continuous rotation. Compared with the prior art, the one-way transmission device is mainly characterized in that two forward-swinging and backward-swinging overrun clutches are low-pair-type space-wedged friction overrun clutches which are axially jointed; and forward-swinging input pieces and backward-swinging input pieces of the two clutches are directly and circumferentially fixed and connected along the same axis in a manner of non-relative rotation at least or are directly connected in an outer-gearing manner. In addition, in order to realize the combined output of the two overrun clutches, the one-way transmission device is also provided with at least one transmission connector so as to connect the forward-swinging output pieces / shafts and backward-swinging output pieces / shafts of the two clutches together. Compared with the prior art, the one-way transmission device has the advantages of simple structure, small volume, easiness in manufacture, large torque capacity, automatic wear compensation and long service life and the like, and is an ideal selection of a pulsing-type continuously-variable transmission output mechanism.

The invention relates to an oil press, which comprises a machine frame, a power device and a temperature control device, wherein the interior of the machine frame of the oil press is provided with a main roll and a plurality of auxiliary rolls, the auxiliary rolls are matched with the main roll, and are sequentially and tightly attached to the periphery of the main roll, a certain distance is formed between the first auxiliary roll and the peripheral surface of the main roll to facilitate the feeding of oil, the gaps between the auxiliary rolls and the peripheral surface of the main roll are gradually reduced until the auxiliary rolls are tightly attached to the peripheral surface of the main roll, the main roll and the auxiliary rolls form a pressing space, the temperature control device is used for adjusting the temperature of the oil in the pressing space, the power device is used for driving the main roll and / or the auxiliary rolls, the oil firstly enters the first auxiliary roll, then is pressed in the pressing space, and is finally treated by the final auxiliary roll, the slag is discharged out, and the pressed oil liquid leaks out via the gaps between the auxiliary rolls. The oil press has the advantages that the oil is pressed and pressurized by the roll pair type of multiple rolls, and the compression type is direct; compared with the existing spiral oil press, the friction loss of power is greatly reduced, namely that the loss of component parts is reduced, and the consumption of energy sources is reduced.