80results about How to "Simple and flexible design" patented technology

The invention discloses an ultra wide band four-tape circularly polarized antenna which comprises a metal floor (1), a dielectric substrate (2), a radiation patch (3), a feed branch node (4), a matching branch node (5) and a micro strip line feed source (6), wherein the radiation patch (3), the feed branch node (4) and the matching branch node (5) are printed on the positive surface of the dielectric substrate (2) and are electrically connected with the micro strip line feed source (6) as well as are of a shaft symmetric shaft; a T type groove (7) is etched on the metal floor (1) which is used as a radiation reflection plate of the radiation patch (3); the center of the radiation patch (3) is etched with a polarized hole (8), the edge of the polarized hole (8) is provided with two mutually orthorhombic gaps (9) and (10), an intersection point of the two gaps is coincident with the center point of the polarized hole (8); and the micro strip line feed source (6) is placed on the edge of the dielectric substrate (2). The invention can realize that wide band four-tape circularly polarization characteristic with a wide polarization band, and can be applied to satellite communication.

The invention relates to a real-time 3D visual monitoring system facing digital workshop. The real-time 3D visual monitoring system facing digital workshop includes a workshop equipment unit, monitoring Agent clients, a workshop internal local area network, a monitoring Agent server side, and a real-time database, wherein the monitoring Agent clients utilize the sensing or communication technologyto acquire the real-time data of the equipment and pack the acquired data and send the packed data to the monitoring Agent server side through the workshop internal local area network; after the monitoring Agent server side receives the real-time data, packed by and sent from the monitoring Agent client of each equipment unit, the monitoring Agent server side analyzes the data packets and saves the data packets in the real-time database; and the monitoring Agent server side is provided with a 3D visual monitoring interface, thus being able to monitoring the corresponding data change in the database through monitoring threads, so as to drive real-time animation of the 3D visual monitoring interface. The real-time 3D visual monitoring system facing digital workshop has the advantages of being preferable in modularity, being easy to expand, being flexible and simple in design, and being able to effectively reduce the total cost of the system.

A bridge is disclosed. The bridge comprises a first interface having at least one multiplexed clock signal line. The multiplexed clock signal line outputs first and second control signals for respectively controlling the access to first and second devices coupled to the bridge. The bridge selectively outputs the first clock signal or the second clock signal to the multiplexed clock signal line to access the first device or the second device respectively.

The invention discloses a compact plane branch coupler for a single-pass or double-pass band, and the compact plane branch coupler is provided with a main line and a secondary line both which are symmetrical about left and right sides, and a branch line which is symmetrical about upper and lower parts, both ends of the main line are respectively provided with an input end and a first isolation port, both ends of the secondary line are respectively provided with a second isolation port and a coupling port, and the branch line is arranged between the main line and the secondary line and connected with them. The compact plane branch coupler adopts a micro-strip structure and has the advantages of compact design, simple processing, low cost and easy integration; to the coupler based on the branch line structure, the main line and the secondary line adopt the equivalent structure of the uploaded open-circuit branch knot, convenient to be miniaturized; the bandwidth is increased by the cascade structures of two quarter-wavelength branch couplers; the coupler has better isolation more than 20dB; according to the actual demand, the coupler can be adaptively improved, and the electrical length of the branch line is adjusted to twice of that of the single-pass band coupler branch line such that the coupler can be operated in the double-pass band environment.

The invention discloses a presence method and a presence server for an instant messaging system. The presence method includes the steps: the presence server establishes a receiving thread, a transmitting thread, a message processing thread pool including at least two threads, and a message queue; a client communication thread receives messages, including a message about publishing of status information of a user, transmitted by a client, and caches the message in the message queue; a message processing thread reads the messages in the message queue and processes the messages to obtain processing results, including the status information of the user; the client communication thread feeds the processing results back to the corresponding client for presence. The presence method and the presence server according to the scheme have the advantages that internal message processing threads and the clients are isolated from interaction by the message queue so that the system is more stable; the use of a structural design of peripheral communication, the message queue and internal message processing leads to simple and flexible system design and convenient maintenance and expansion.

The embodiment of the invention discloses a method and a terminal for storage partitioning. The terminal for storage partitioning comprises a terminal with an EMMC (Embedded Multi Media Card), wherein the EMMC comprises a controller and a storage medium; a partitioning register is arranged in the controller; the storage medium comprises at least two system operation partitions which are independent from each other; the at least two system operation partitions which are independent from each other are obtained in a manner that the storage medium of the EMMC is partitioned by the controller according to presetting of the partitioning register. The method for storage partitioning comprises the following steps: when a terminal is in a powered start state, only starting a first system operation partition of the at least two system operation partitions which are independent from each other, wherein the first system operation partition has no data interaction with other unpowered system operation partition; storing and accessing data on the first system operation partition through the terminal. According to the embodiment, different requirements of users can be met if one EMMC is arranged in the terminal, so that the cost is reduced, and the design is simple and flexible.

The invention provides a collaborative plotting spatial knowledge system of heterogeneous spatial information based on cloud computing technology. The main purpose is to establish a collaborative plotting model of a heterogeneous space of a global map, and realize collaborative plotting with high concurrency and high online user number by means of the lateral expansion capability and the cloud computing. Therefore, dynamic collection of global information is realized, the island effect of the original spatial information is get rid of, the collaboration and communication ability of related spatial information users is reinforced, and the information is dug in depth, so that the spatial information service of the public and the departments improved from local and single contents to global spatial knowledge cloud services on a multi-subject level.

The invention provides a light field camera calibration method based on a self-matching polar triangle, and aims to establish a light field camera calibration device and method based on the self-matching polar triangle in order to overcome the defects that the existing light field camera calibration is limited too much and the precision is not high. Designing a calibration plate with parameter distinction and self-matching polar triangle characteristics; the calibration plate is rotated or the light field camera is moved to shoot the calibration plate under different postures; and determininghomography mapping of world points and image points, carrying out linear initialization by utilizing characteristics of a self-matching polar triangle and an absolute quadratic curve to calculate internal parameters of the light field camera and external parameters under corresponding postures, finally establishing a distortion model and a cost function, and carrying out iteration to obtain an optimal solution. According to the method, the internal parameters and the external parameters of the light field camera can be solved more flexibly and accurately.

The invention discloses a bioretention system suitable for processing urban initial rainwater in a severe nitrogen pollution area. The system is composed of a water inlet facility, an overflow facility, plants, a filler layer, an internal water level regulating and controlling facility and a water discharging facility; the water inlet facility intercepts runoff with extremely poor water quality inthe initial stage of rainfall through a surface-layer water inlet pipe; the overflow facility includes an overflow weir and an overflow pipe; the plants are planted at the surface of the filler layer, and a planting mode of the plants is optimized according to the nitrogen removing characteristics of the plants; the filler layer realizes high-efficiency nitrogen removal through addition of a novel nitrogen-removing material; the water discharging facility promotes infiltration, interception and discharge of rainfall runoff in the system by utilizing perforated water-discharging pipes arrangedat the bottom of the system; and the internal water level regulating and controlling facility is a U-shaped pipe, an internal water storage layer is formed in the water inlet process through a theoryof communicating vessels of the U-shaped pipe, a height of the U-shaped pipe can be adjusted to create the aerobic-anaerobic alternating environment required for the nitrogen removal, and the top ofthe U-shaped pipe is provided with a sensor to control water inflow to ensure effective storage and retention of the initial rainwater.

A control system comprises main control device including multipath switch, microcontroller, circuits of signal driving, crystal oscillation, reset and power, slave control device including microcontroller, circuits of signal rectification, driving crystal oscillation, reset, and power, and bus. It is featured as collecting switch data and converting it to be control data then sending it to bus by main control device, receiving control signal from bus, driving the load to work by slave control device after the control signal continuously checked.

A device for selectively detecting specific wavelength components of a light beam includes a spectral spreading element for spectrally spreading the light beam, and a detector array arranged downstream of the element. The detector array includes light-insensitive regions and light-sensitive regions. The element and the detector array are matched to each other so that selectable wavelength components of the light beam hit the light-insensitive regions and remaining wavelength components of the light beam hit the light-sensitive regions.

The embodiment of the invention provides a display control method for a virtual object in a game scene, a display control device for the virtual object in the game scene, a computer readable medium and an electronic device, and relates to the technical field of human-computer interaction. The display control method for the virtual object in the game scene comprises the following steps: acquiring ato-be-displayed game scene; determining a target virtual object satisfying the preparatory condition in the game scene; carrying out rendering processing on the game scene, thus generating displayingbackground of the target virtual object; and displaying the target virtual object based on the displaying background. According to the technical scheme provided by the embodiment of the invention, the displaying background is obtained by rendering the game scene, so that the target virtual object in the game scene can be prominently displayed on the displaying background, the displaying effect ofthe target virtual object is enhanced, and thus the definition of the target virtual object is improved.

The invention discloses a plane lossy filter of a hybrid structure. A micro-strip resonator and a substrate integrated waveguide resonator which are in bilateral symmetry are arranged, an input-output micro-strip line is respectively connected to the micro-strip resonator and the substrate integrated waveguide resonator through a first input-output micro-strip connecting line and a second input-output micro-strip connecting line, and the micro-strip resonator and the substrate integrated waveguide resonator are connected with an output micro-strip line of the lossy filter through the first input-output micro-strip connecting line and the second input-output micro-strip connecting line; the micro-strip resonator, the first input-output micro-strip connecting line, the second input-output micro-strip connecting line and the input-output micro-strip line are all printed on a dielectric substrate; the substrate integrated waveguide resonator is composed of substrate integrated waveguide earthing holes in the dielectric substrate and copper with which the upper portion and the lower portion of the dielectric substrate are covered. The plane lossy filter is easy to machine and low in cost, is of a plane structure, free of cross resistive coupling and is easy to implement.

The invention relates to a basement sump structure. The basement sump structure is arranged below a bottom plate of a basement and used for temporarily storing sewage water or miscellaneous water. The basement sump structure comprises a sump body fixedly arranged below the bottom plate of the basement. The sump body comprises a bottom plate and sidewalls, wherein the bottom plate and the sidewalls define a catchment cavity. The catchment cavity is a cavity with an opening in the upper portion. The upper edges of the sidewalls are fixedly connected to the bottom plate of the basement. A pit opening communicated with the catchment cavity is formed in the position, located in the opening in the upper portion of the catchment cavity, of the bottom plate of the basement. The area of the pit opening is smaller than that of the opening of the catchment cavity. According to the basement sump structure, the pit opening formed in the bottom plate of the basement is shrunken, so that the size of the pit opening is smaller than that of the opening of the catchment cavity, and the influence of the formed pit opening on the structural rigidity and stability of the bottom plate of the basement is reduced.

The invention belongs to the technical field of valve equipment, and in particular, relates to a right-angled electromagnetic valve based on a pilot structure. The right-angled electromagnetic valve comprises a valve body, wherein a valve cover is fixedly mounted above the valve body; a static gag bit is fixedly mounted above the valve cover; the external of the static gag bit is fixed and matched with an electromagnetic coil; the electromagnetic coil is fixedly connected with a controller; the internal of the static gag bit is fixed and matched with a movable gag bit at intervals; a return spring is matched and mounted between the movable gag bit and the static gag bit; a pilot rod is in threaded connection below the movable gag bit; the pilot rod and the valve cover are matched and provided with a pressure plate; the other end of the pilot rod is in threaded connection with a pilot valve core; the external of the pilot valve core is matched and provided with a valve core closing plug; the external of the valve core closing plug is in threaded connection with a valve core; a feed port is formed in one side, far from the valve core, of the valve body; and a discharge port is formed below the valve core.

There is disclosed a passive intumescent fire damper having a metal housing, an inner meltable liner and having a metal and intumescent laminate assembly surrounding the inner liner.

The invention provides a high-strength transparent variable speed hydraulic coupling device for PIV testing. The cavity shells of the pump wheels are processed into two planes perpendicular to the radial and axial direction of the pump wheels. The scattering of light is avoided, and the centers of turbine housings are not closed. A circulating water system is adopted to achieve the purpose of water circular flow. A way of symmetric machining is adopted in the structure of a shaft, the external shape of an input shaft and an output shaft is exactly same with each other, and a camera is convenient to symmetrically install. Input and output are reversed to achieve the testing of the turbine side flow field. The expansion and shrink of a spoon pipe are used to change the filling volume of a working cavity so as to adjust the output torque of a coupling, and the purpose of speed regulation is achieved. The pump wheels, the turbines and the turbine housings are made of transparent organic glass material and convenient to observe. Pump wheel blades and turbine blades are black to avoid the scattering of light. The structure of the input shaft and the output shaft is simple and flexible indesign, the input and the output can be switched flexibly, and the situation of the flow field of the pump wheels and the turbine is convenient to measure.

A passive ductwork intumescent fire damper is disclosed having a sheet metal box; an intumescent; a sheet metal comb; a plastic liner; a sheet metal comb catch; and a sheet metal escutcheon. The fire damper is particularly useful in a structural wall ducted horizontally such as a side wall range hood installation.

The invention discloses a civil regional airliner cabin system, comprising a passenger cabin core system and an airborne entertainment system. The passenger cabin core system comprises a passenger cabin management terminal, a passenger cabin management computer, a passenger broadcast and in-cabin call controller, an area audio unit, a flight attendant hand-held telephone, a loudspeaker and a flight attendant indicator board. The passenger cabin management terminal is the only equipment for man-machine interaction of the passenger cabin system. The passenger cabin management computer realizes unified external information exchange of the passenger cabin system; the passenger broadcast and the in-cabin call controller, the area audio unit, the flight attendant handheld telephone and the loudspeaker constitute the in-cabin call subsystem of the passenger cabin system broadcast, and the in-cabin call subsystem of the passenger cabin system broadcast only interacts with the passenger cabin management computer; As for that characteristic of the regional airplane, the invention is more simple and flexible in design, realizes the function of the cabin system, comprehensively considers the technical advantages of platform, human-computer interaction, easy expansion and the like, is easy to integrate with the crosslink system, and has good expandability.

The invention discloses a parallel interface read-write circuit and a data read-write method, which utilize an input processing unit, an address latch group connected with the input processing unit, adata flip-flop group and a BUS HOLD unit. The output of the address latch group is connected with an SEL unit, The output of the SEL unit is connected to the clock input of the data flip-flop group.As a result of the designed input processing unit, At that port, address signal A0 to An are chip-to-chip select signals CEn, Write signal WRn, the minimum value of the settling time of the read signal rdn may be 0, As long as that retention time meet the latch requirements, it can reduce the requirement of clock signal, As that asynchronous parallel interface adopt by the invention refers to thedifference between the external read / write clock and the internal clock of the circuit, or no external clock signal, this type of circuit requires low clock quality, especially when the external clockis not needed, the read and write data of the parallel interface is not limited by the clock signal, the design is flexible and simple, and the difficulty of the read and write design of the parallelinterface can be alleviated.

An apparatus is provided for the actuation of at least one pivotable external element of a vehicle, in particular of a top element of a convertible vehicle, with at least one pivot joint and a drive. The drive may be an electric motor (18, 19, 20, 21, 22) which introduces a drive torque directly into the at least one pivot joint (10A, 10B, 11A, 11B, 13A, 13B, 14A, 14B, 17A, 17B).

The invention belongs to the technical field of water faucet equipment and in particular relates to an induction type water faucet based on a pilot structure. The induction type water faucet comprises a water pipe main body, wherein the water pipe main body comprises a main body bottom part, a main body middle part and a main body top part; a main body cover is fixedly connected to the main body middle part; a main body cover sealing ring is arranged between the main body cover and the main body middle part in a matched mode; a static armature seat is fixedly connected to the main body cover; an electromagnetic coil is arranged outside the static armature seat in a matched mode; a micro controller and an inductor are fixedly connected above the electromagnetic coil; the micro controller is connected with the inductor by virtue of a wire; a moving armature is in clearance fit with the interior of the static armature seat; the left side of the moving armature in threaded connection with a small piston rod; a main body cover inner cavity is formed inside the main body cover; a large piston is in clearance fit with the interior of the main body cover inner cavity; a sealing cylinder is arranged on the main body middle part; and a large piston sealing ring is arranged between the large piston and the sealing cylinder in a matched mode.

The invention discloses an upper probe and lower probe detection system with the position capable of being calibrated accurately and a calibration method of the upper probe and the lower probe detection system. The upper probe and lower probe detection system is characterized in that a lower probe can move on a detection platform optionally, an upper probe can ascend and descend, the upper probe accurately ascend and descend in the vertical direction in the process of ascending and descending, and round annular grooves are formed in contact surfaces of the upper probe and the lower probe. Through the connection structure of a steel wire rope and the upper probe, the gravity of the upper probe provides pressure for a detected sample, and therefore the use requirement can be met such as when the inner pressure of a vacuum insulated panel is detected. Due to the design of round tube clamping grooves and an upper probe limiter, the upper probe always moves in the vertical direction, and measurement is convenient. Due to the design of the circular annular clamping grooves and calibration blocks, a basis is provided for adjustment of the position of the lower probe, and accurate alignment of the upper probe and the lower probe can be guaranteed. Limiting rods of the detection platform are novel in design, flexible and simple, so that a foundation is laid for emergence of a plurality of sets of upper probes and lower probes. The calibration method is flexible, simple and suitable for multiple detection devices.

The invention provides a video conference camera locating method based on multiple microphones. The multiple microphones comprise at least three channels with relative positions unchanged. The method comprises the following steps that when remote sounds are made, echo data of all the channels are collected, and the position relation between the main echo channel with the maximum energy value and a main echo line of the main echo channel is determined; reference positions of the microphones are determined by utilizing the position of the main echo channel; when the sounds of the near end are made, sound energy values of all the channels are collected, and the direction of the position of a current presenter is determined; the direction of a camera is determined according to the direction of the position of the current presenter. According to the method, the position of the presenter is judged according to the position information of all the channels of the multiple microphones and current received sound energy, the design is simple and flexible, the calculation is convenient, performance consumption is avoided, the tracking angle of the camera is adjusted automatically, it can be ensured that the current conference presenter stays in the capturing range of the camera, and the conference effect is improved.

There is provided methods for producing an ultrasonic transducer assembly. The methods generally comprise the steps of creating a multi-layered rigid or flexible printed circuit board, having a top surface and bottom surface; creating a patterned conducting layer upon each of the top and bottom surface; creating at least one patterned backplate electrode on the board or as part of a discreet component which is then attached to the board; creating at least one conductive through-hole via integral with the board; roughening at least a portion of each of the at least one backplate to introduce gas pockets in that portion of a surface of the backplate; and attaching thin insulating or dielectric single or multi-layer film on a portion of the board in which the film has an integral conducting surface and in which the conducting surface is configured so as to form a capacitive structure with the at least one backplate.