55results about How to "Use flexibility" patented technology

A process of making a multilayer printed wiring board assembly. The process includes the steps of providing a first and a second substrate made of a dielectric material; depositing a first wiring pattern on the first substrate and a second wiring pattern on the second substrate with a conductive material; depositing a dielectric material on the first and second wiring patterns and defining a via connecting zone on the first and the second wiring pattern for communicating signals between the first and the second wiring pattern by exposing a selective portion of the first and second wiring patterns; depositing a conductive bonding material on the via connecting zone of one of the first and the second wiring pattern; arranging the first and the second substrate in sandwiched juxtaposition such that the via connecting zones of the first and the second wiring pattern are opposite each other and in substantial alignment with each other so that the conductive bonding material deposited on the one of the via connecting zones contacts another one of the via connecting zones; and curing the deposited bonding material thereby forming a conductive joint connecting the first and the second via connecting zones.

Provided are methods, corresponding apparatuses, and computer program products for performing out-of-band sensing on an unlicensed frequency band. A method comprises sending a configuration message for configuring measurement on at least one channel in a frequency band of a primary system; receiving a measurement report made based upon the configuration message; and determining the usability of the at least one channel based upon the measurement report, wherein the configuration message includes information regarding a respective predetermined threshold of energy detection or primary-system-feature detection, and the measurement report is for reception when a measured energy detection value or a measured primary-system-feature detection value of a received signal on the at least one channel is less than the respective predetermined threshold. With the claimed inventions, the spectrum efficiency would be improved and interference between a secondary system and an LTE system could be alleviated.

A method and system for managing public key certificates is provided. A user purchases a block of unallocated time. When the user requests a certificate, the user specifies a life span for the certificate. A certificate is generated, and the life span of the certificate is deducted from the block of unallocated time. If the user revokes a certificate, the remaining lifetime of the revoked certificate is added back to the block of unallocated time. This allows certificates to be revoked without loss of purchased time, and gives the user more flexibility at requesting and revoking certificates.

The present invention discloses a delayed closing system of an intake valve of a double-mode slide valve engine. The delayed closing system comprises a base, a hydraulic tappet assembly and an oil supply system; wherein, the hydraulic tappet assembly can slide up and down along the base; the top of the hydraulic tappet assembly is connected with a valve rocker; the lower end of the hydraulic tappet assembly is connected with an engine camshaft; the oil supply system supplies oil to the hydraulic tappet assembly; an oil-feeding assembly hole and oil-discharging assembly holes are formed on the hydraulic tappet assembly; an oil-feeding hole, one end of which is communicated with the oil supply system and the other end of which is communicated with the oil-feeding assembly hole of the hydraulic tappet assembly, is formed on the base; and oil-discharging holes, which are correspondingly communicated with the oil-discharging assembly holes of the hydraulic tappet assembly, are formed on the base as well. The delayed closing system, which has the advantages of few parts, simple structure, safe and reliable operation and low cost, can realize the mutually independent adjustment of the intake and exhaust of cylinders in order to exert the flexibility of intake phase adjustment to the max and optimize the performance of the engine, the operation process is controlled by a mechanic slide valve mode, the service lives of the elements are long, and the industrialization of the technique can be easily realized.

A spray control device for aerosol cans is provided having three or more dispensing positions. The positions in the preferred embodiment include “automatic” for continuous spray, “manual” for normal push-button control, and “off” to prevent spraying. Adjustment between the various positions is achieved by rotation of a centrally located, floating spray button device that nests on top of an aerosol can. The central spray button device floats within a can coupling ring to accommodate any misalignment between the spray control device and spray can, and movement of the central spray button device is guided by a pin and track combination for predictable and repeatable control over paint or other fluid application. A guide ring is press-fit into the can coupling ring, and both act as a part of the guide track for the central spray button device. The guide ring may optionally be removable to permit complete disassembly and cleaning.

A server chassis includes a casing, a motherboard, a rotatable rack and an electronic device. The rotatable rack is axially disposed inside the casing and able to rotate with respect to the casing. The rotatable rack has a plurality of insertion spaces. The electronic device is provided on one side of the rotatable rack, and a cord passage is provided between the fan module and the electronic device. The storage devices accommodated in the rotatable rack is electrically connected to the motherboard via the cord passage, thereby increasing the quantity of the storage devices and decreasing the length of the casing.

The present invention provides a method of integrating existing strong encryption methods into the processing of a .ZIP file to provide a highly secure data container which provides flexibility in the use of symmetric and asymmetric encryption technology. The present invention adapts the well established .ZIP file format to support higher levels of security and multiple methods of data encryption and key management, thereby producing a highly secure and flexible digital container for electronically storing and transferring confidential data.

The invention relates to a let-down system for ship, comprising a plurality of moving units (10), which can support and move the ship body (5) of the ship, and a guide rail (20), which guides the plurality of moving units 10 along a straight line, wherein the guide rail (20) is a grid structure that can move the ship body in length direction and width direction selectively. The guide rail is a grid structure that can move the ship body in length direction and width direction selectively, so the working field can be used fully as a pre-loading and loading field, thus reducing the investment greatly. The usage of trolleys minimizes the frequency of using large crane and improves the working efficiency greatly. A plurality of block bodies can be put into action without limitation of large or medium groups, thus making a full use of the narrow field. The flexibility of submerging and loading computation or operation can be put into full use to shorten the construction period and maximize the turnover efficiency.

The invention provides one method, device and system to distribute flow engine channel in network communication field, which comprises the following steps: storing TEDS and set information on servo and computing TE channel path and analyzing whether it is proper, if not, adding binds for new path till it is proper and sending the distribution information to next device. The invention provides one device to distribute the channel, which comprises TEDB memory and sustain module, TE channel computation module, path analysis module and bind adding module and distribution module. The invention also provides one system composed of servo and device.

An anode plate for a field emission display device (FED) is disclosed, which has a substrate; an anode conductive layer formed on the substrate; at least one interspacing conductive band having a plurality of internal gaps for connecting the anode conductive layer and external cable lines, wherein the interspacing conductive band covers a part of the anode conductive layer; and a fluorescent layer located on the anode conductive layer, to serve as a source of luminescence for a field emission display device. The field emission display device includes the anode plate aforesaid as is also disclosed.

A plasma ignition device for internal combustion engines is described. It comprises a driving and analog and / or digital control unit, an ignition coil and a spark plug, interconnected each other in a circuit by means of electrical / electronic connection means. The ignition coil comprises two primary windings connected in series each other, having a central electrical connection between the first primary winding and the second primary winding, for electrically charging a capacitor, connected in series to the two primary windings, and for magnetically charging a magnetic core magnetically coupled to a secondary winding of the ignition coil, in order to generate a potential difference across a discharge “gap” of a spark plug.

A spray control apparatus for aerosol cans has a can coupling cap with a segmented and discontinuous aerosol can engaging ring. The cap top lip has a locking ledge having a bearing surface facing away from the can engaging ring, a cam track having a bearing surface facing toward the can engaging ring, and a guide slot therebetween. A plurality of generally planar reinforcing ribs radiate inwardly from the cap side wall. An actuator is concentrically within the cap, and has at least one cam protruding radially into the cap top lip. The cam engages the locking ledge bearing surface in a first rotary position and is thereby blocked from axial movement, and engages the cam track bearing surface in a second rotary position and is thereby driven axially toward the can engaging ring, and passes though the guide slot when rotated between the first and second rotary positions.

The invention provides a full-life-cycle data fusion management method for planning construction land, which comprises the following steps of S1, acquiring basic data of an initial planning construction land through a cloud database, and performing classification operation on use conditions of the construction land planning; s2, in the classification operation process, obtaining a work progress state of the classified planning construction land, and performing feature labeling on the set work progress state; s3, judging the planning construction land subjected to feature labeling through a data resource estimation model, and extracting abnormal planning construction land data; and S4, after data extraction is completed, performing data fusion operation on the initial planning construction land and the abnormal planning construction land after data extraction through a data fusion model, and uploading the data to a cloud database for remote display.

The invention provides a public security intelligent command and dispatch method and a system based on an unmanned aerial vehicle, a command and dispatch center concentrates the front-end applicationof the public security intelligent unmanned aerial vehicle on the real-time picture, video image and other data acquisition and wireless transmission, the command center interfaces with UAV ground station through police station or guard post in real time, call the relevant video or picture at any time, so that the commander can see the concrete police force distribution on the real-time map, so asto calculate and arrange the time for the execution of the concrete task, the commander can realize the real-time situation of the scene, check and play back the historical video data to extract evidence, analyze the case, and provide the first-hand video data in the map interface for the commander; In the surveillance interface, video surveillance is used to make up for the blind spots of traditional surveillance, and the characteristics of maneuverability and flexibility of UAV are also brought into play.

The invention discloses a machine tool adopting hybrid programming automatic measurement and manual measurement. The machine tool is characterized by comprising a numerical control machining procedure manipulator, a man-machine interaction unit, a procedure code resolver, an interpolator provided with a measurement motion server, a PLC (programmable logic controller) subsystem and a servo position closed-loop controller. The numerical control system of the machine tool is an online measurement system for workpieces and tools, and by adopting the machine tool, hybrid programming of automatic measurement and manual measurement can be realized, more adjustment chances are provided for programming measurement, measurement of part families with the same process characteristics is supported, the workpiece application range of the measurement procedure is expanded, and the installation and adjustment time of measured workpieces is simplified. According to the machine tool and the online measurement method, the execution procedure of automatic measurement is utilized, and the synchronization of the manual measurement motion and the automatic measurement procedure is realized under the support of the measurement motion server; the programmable operation capability of the automatic measurement is exerted, and the flexibility of manual point location measurement is considered, thereby the process capability of online measurement of the numerical control machine tool is expanded.

The invention relates to an illuminating apparatus and a light engine thereof. The illuminating apparatus comprises an optical room, an electric room and a heat dissipation room, wherein the optical room consists of at least one light source and a light-emitting channel and is used for providing required illumination distribution, luminescence property and light source protection; the electric room is used for providing a driving power supply, a control circuit and power supply management needed by the light source; and the heat dissipation room is arranged between the optical room and the electric room and comprises at least one L-shaped thermotube, a plurality of fins and at least one saddle, the L-shaped thermotube comprises an evaporation section and a condensation section, the fins are arranged at intervals and inserted into the condensation section of at least one L-shaped thermotube, and the saddle rides on the evaporation section of the L-shaped thermotube and hotly links a heat-emitting part of the light source and the evaporation section of the L-shaped thermotube tightly to transmit and remove the heat released by the light source during luminescence.

The invention discloses a multi-scene random access method for a tracking, telemetry and command (TTC) communication system, and aims to solve the problem that the existing planned access TTC means cannot meet the TTC requirements of future space systems. The method is implemented by the following technical scheme: if the application scenario is a multi-beam full-space scanning access mode, a spacecraft continuously sends telemetry signals, a TTC communication system calls a scanning beam for full-space target search and identifies the received telemetry signals, and a remote control signal istransmitted to the spacecraft if the spacecraft is a cooperative spacecraft; and if the application scenario is an omnidirectional antenna-assisted access mode, the spacecraft periodically transmitsaccess beacons, telemetry signal parameters and ephemeris data of the spacecraft are obtained and sent to the TTC communication system, a tracking beam is called to capture, track and demodulate the telemetry signals sent by the spacecraft, the demodulated data is sent to a TTC center through an optical fiber, and the TTC center generates a remote control command and sends the remote control command to the spacecraft through the TTC communication system to complete random access.

The invention provides a modeling method of an alternating current and direct current electric locomotive. The modeling method comprises the following steps: calculating amplitudes and phases of a fundamental wave and harmonic waves of the electric locomotive; by taking the amplitudes and the phases of the fundamental wave and the harmonic waves as random variables, calculating probability density functions of the amplitudes and the phases by using a maximum entropy; then calculating distribution functions of the amplitudes and the phases; establishing a first data table corresponding to the amplitudes of the fundamental wave and the harmonic waves and the distribution function and a second data table corresponding to the phases of the fundamental wave and the harmonic waves and the distribution function in matlab; introducing a matlab interface module into PSCAD and receiving the amplitudes and the phases of the fundamental wave and the harmonic waves according to the first and second data tables; and establishing a probabilistic harmonic current source module of the electric locomotive in the PSCAD, wherein the probabilistic harmonic current source module comprises a three-phase voltage source, a traction transformer, a four-quadrant rectifier bridge circuit, a rectifier bridge control circuit and a target output current generation unit. The electric locomotive model established by the invention is relatively close to the actual condition in the aspect of the harmonic waves of the electric locomotive.

The invention discloses a signal conversion device and an illuminating device comprising the signal conversion device. The signal conversion device comprises a connecting interface, a processing module, and a signal conversion module. The connecting interface is detachably connected with the power supply conversion module of the illuminating device, and is used to receive wired control signals by the power supply conversion module. The processing module is connected with the connecting interface. The signal conversion module can be connected with the processing module and the connecting interface, and comprises an industrial communication protocol standard interface, and the signal conversion module is used to convert the wired control signals into industrial communication protocol standard control signals by the industrial communication protocol standard interface to control at least one controlled device.

The invention discloses an engine intake valve continuous variable system and an engine. The intake valve continuous variable system comprises a base and a tappet rod, wherein the tappet rod is arranged on the base in a sliding mode; the tappet rod comprises a push rod and a valve core, the valve core is provided with a first pressure chamber, a first plunger is arranged in the first pressure chamber, and a push rod oil inlet channel is in communication with the first pressure chamber; a one-way valve is arranged in a base communication oil channel, an oil drainage channel is in communicationwith an oil inlet channel and the second pressure chamber, a second plunger is arranged in the second pressure chamber, an adjustable limiting device for adjusting the maximum displacement of the second plunger is arranged in the second pressure chamber, and the second plunger abuts against the side wall of the second pressure chamber under the action of a reset piece; and an oil drainage valve isarranged in an oil drainage hole of the oil drainage channel, and the oil drainage valve is opened when the oil drainage valve is in contact with the bottom of the valve core. According to the intakevalve continuous variable system, a mechanical structure is adopted, the oil supply is completed by utilizing the engine oil pressure of the engine lubricating oil path, the robustness and the reliability of the system are guaranteed, the cost and the energy consumption are reduced, the continuous adjustment of the closing timing of the multi-cylinder intake valve can be realized, and the performance of the engine is improved.

The invention belongs to the technical field of violence-suppressing unmanned aerial vehicles, and particularly relates to a laser violence suppression unmanned aerial vehicle which comprises an unmanned aerial vehicle bottom mounting plate, and a driving limiting device assembly is fixedly connected to the outer side of the bottom end of the unmanned aerial vehicle bottom mounting plate. The outer side of the right end of a driving device shell is fixedly connected with a first cylindrical hollow shell, second alloy teeth, an inner tooth belt, a second alloy gear, a rotating angle sensor and a sensor fixing support, and the outer side of the top end of the first cylindrical hollow shell is fixedly connected with the outer side of the bottom end of an alloy rotating disc. And the outer side of the bottom end of the first cylindrical hollow shell is fixedly connected with a telescopic device assembly, and the outer side of the tail end of a carbon fiber telescopic square rod is fixedly connected with an explosion suppression device assembly. Thelaser violence suppression unmanned aerial vehicle can irradiate the face parts oflawbreakers in a certain range with a laser violence suppression lamp , the flexibility of irradiating the face parts of the lawbreakers is improved, and the actual use effect of the device is improved.

The invention discloses a local feature characterization method based on a face expression image. The local feature characterization method is characterized by comprising the following steps: 1, utilizing a Haier detector to divide a face expression image into an eyebrow sub-image, an eye sub-image and a mouth sub-image according to the relation that the nose accounts for one-third of the face in the longitudinal direction and the eye counts for one-fifth of the face in the transverse direction; 2, obtaining a sufficient vector triangular code; 3, utilizing the sufficient vector triangular code to conduct local feature analysis on the eyebrow sub-image, an eye sub-image and a mouth sub-image. By means of the local feature characterization method based on the face expression image, local features of the face expression image can be effectively presented, the computing complexity is reduced, and timeliness and precision of feature extraction are improved.

The invention discloses a real-time optimal scheduling method for a combined heat and power system, and the method comprises the steps: building an intra-day real-time scheduling model of the combinedheat and power system according to the technical parameters of all elements in the combined heat and power system, and reconstructing the intra-day real-time scheduling model of the combined heat andpower system into a Markov decision process; and constructing an optimal operation cost function of the combined heat and power system from the t moment to the T moment of the total scheduling domainin the St state as shown in the specification, solving a Markov decision process by minimizing the optimal operation cost function based on the state variable St of the combined heat and power systemat the t moment and combining random factors of the combined heat and power system at the t moment, obtaining an optimal decision of the combined heat and power system at the t moment, wherein aggregated state variables after decision making are shown in the specification. According to the method, the difficulty of mapping the state variable into the value function is greatly reduced by adoptinga state variable aggregation mode, the problem of dimensionality disaster of a system state space is solved, and real-time optimal scheduling can be quickly and accurately carried out on the combinedheat and power system.

The invention discloses a method for solving CFD through structural / non-structural coupling. The method for solving CFD through structural / non-structural coupling includes the following steps that S1, a structural / non-structural hybrid grid is generated; S2, the hybrid grid is partitioned according to the efficiency of a structural resolver and a non-structural resolver; S3, the structural resolver and the non-structural resolver are called for CFD calculation. According to the method, when CFD is solved based on the hybrid grid, the problem that structural algorithm advantages can be lost in an existing method is solved, the flexibility of a non-structural grid can be exerted, and the advantages of high efficiency and high precision of a structural grid can be fully exerted.

The invention provides a feeding method for lime mud of a lime kiln and feeding equipment, namely a triple feeding process for lime mud of a lime kiln. The method includes conveying wet lime mud from a causticization workshop section into a first feeding pushing device; allowing the wet lime mud to enter a riser tube of a flash dryer and to enter into a cyclone separator through a regulation baffle plate along with a rising flue gas stream; discharging the dried lime mud from the bottom of the cyclone separator; allowing the dried lime mud to drop to a lime mud sliding pipe; and conveying the dried lime mud to the bottom of a feeding end of the lime kiln by a second feeding pushing device, wherein when the wet lime mud which does not rise along with the flue gas stream in the riser tube of the flash dryer falls to the bottom of the flash dryer, the wet lime mud can be pushed to the feeding end of the kiln by a third pushing device. The method and the equipment can ensure drying effects of the lime mud, are well-adapted to changes of load and the dryness degree of the lime mud, and can effectively overcome the problem that ineffective circulation occurs due to material accumulation at the bottom of the flash dryer and due to that lime mud is taken away along with flue gas.

The invention relates to the field of preparation technology of solar cells, and specifically relates to a compound technology for metallization of the front side of a solar cell. Main grid lines of the solar cell or main grind lines and partial fine grid lines of the solar cell are prepared by taking a traditional technology as basic technology, and fine grid lines of the front side of the solar cell are prepared by taking an emerging wire enhanced metallization (WEM) technology as main technology, so that the flexibility when a traditional metallization technology is used is fully showed, and the characteristic of high efficiency of the WEM technology is also showed; therefore, the limits of existing equipment for the WEM technology in comprehensive application of solar cell production are broken through.

The invention discloses a girth welding device and a girth welding method for an aircraft pipeline component. The welding device consists of bases, main shafts, inner support units, a welding robot and power units, wherein the first base is fixed; the first main shaft is mounted on the first base; the second main shaft is mounted on the second base and is moved along with the axial sliding of the second base; the inner support units are respectively mounted on the two main shafts; hydraulic pumps are respectively positioned between each sliding block and each arc-shaped block; the first inner support units are positioned in a welding seam area; the two second inner support units are respectively mounted at the non-welding ends of pipelines to achieve a supporting effect. The inner support units in the welding device are adjusted according to different inside diameter sizes of circular pipes to be welded, so that the inside diameters of the pipes to be welded can change flexibly within a certain range; the two parts of the pipes to be welded are spliced and clamped accurately; the welding robot is mounted in the welding seam area to perform girth welding on the pipes. The power units provide rotating power for the overall girth welding device.

A removable microphone includes an engaging member for engaging with an ear cup of a headphone; a first signal transmission interface provided on the engaging member for electrically connecting to a second signal transmission interface provided on the ear cup of the headphone; a signal transmission unit provided on the engaging member; and a voice receiver provided on the engaging member. When a user wearing the headphone wants to communicate with another user online in real time, he needs only to attach and accordingly electrically connect the engaging member of the removable microphone to the ear cup of the headphone. Therefore, a user may flexibly select to use the headphone with or without a microphone.