74results about How to "Avoid absence" patented technology

A vehicle security system for use in a predefined area such as a car park includes an array of sensors (9) for receiving a vehicle alarm signal transmitted by radio frequency from a system-subscribing vehicle fitted with a transceiver (22) in the event of attempted vehicle tampering or removal. A control centre (12) receives alarm signals and communicates them to a user as an alarm message. Detection of radio frequency signal jamming or attempted jamming is achieved in one embodiment with noise detectors (39, 139) actively detecting jamming noise or alternatively an arrangement of transmitters and receivers using test transmissions therebetween, whereby transmission failure indicates jamming.

The invention relates to an automatic focusing method of an image acquisition device. The method comprises the steps as follows: (a) an automatic focusing area is selected in the picture to be shot, and a focusing weighing is set for each focusing area in the picture; (b) a lens is moved to a relative position, and an image is obtained at the relative position; (c) the evaluation of estimate of the image is calculated according to the selected automatic focusing area and the focusing weighing of each focusing area; (d) the evaluation of estimate and the relative position of the corresponding lens are stored; (e) the steps (b)-(d) are repeated to acquire a plurality of images; the relative position of the lens corresponding to the image with the maximum evaluation of estimate is obtained according to a plurality of evaluations of estimate corresponding to a plurality of images and the relative position of a plurality of lenses, and the shooting position is determined; and (f) the lens is moved to the shooting position. In addition, the invention also provides an image acquisition device adopting the automatic focusing method.

Delivery of protocol data units or other suitable data or information units in various communication systems can be enhanced by appropriate methods and devices. For example, in-sequence delivery of protocol data units received in parallel from several lower-layer acknowledged-mode protocol entities may benefit from timers and/or forwarding status reports. A method can include observing a gap in a sequence of protocol data units received from a plurality of lower-layer protocol entities providing data transfer. The method can also include starting a timer upon the gap observation. The method can further include preventing the gap from blocking delivery of service data units to a higher layer, when the timer expires. The method can additionally include detecting a forwarding-status report. The method can also include immediately proceeding with data delivery to higher layer, containing the gaps because of the lack of forwarding at handover.

The invention provides a finished hybrid power automobile torque distribution system and method based on parallel control and relates to the field of hybrid power automobile control. The finished hybrid power automobile torque distribution system based on the parallel control consists of a real system and an artificial system, wherein the real system is responsible for driving of actual running of a real automobile, the artificial system is responsible for real automobile modeling and controller parameter optimization in a real automobile real-time running state and parallel execution. The real system consists of a sensor detection circuit, a signal conditioning circuit, a controller and a liquid crystal display. The artificial system consists of a sensor detecting circuit, a signal conditioning circuit and a computer processing system. The finished hybrid power automobile torque distribution system based on the parallel control is simple in structure, easy to achieve and high in reliability, improves the engine fuel utilization rate, reduces emission and effectively improves the actual running performance and working efficiency of the real automobile within a whole service life.

The invention discloses an express logistics delivery receiving and dispatch information management method and system. According to the express logistics delivery receiving and dispatch information management method and system, after registering and logging in an APP client end, a client can choose delivery dispatch, delivery pickup, instant friend circle creation and positioning and the like, and related information is transmitted to an APP courier end through a cloud service platform, and a courier chooses corresponding functions. With the express logistics delivery receiving and dispatch information management method and system adopted, bidirectional interaction between the client and the courier of an express company can be realized; time spent in communication between the client and the courier can be saved; and long-time waiting for delivery dispatch or vain errand of the courier who is dispatching a delivery when the client is not at a delivery receiving site can be effectively avoided; the courier can receive and dispatch the deliveries of other clients in real time according to appointed delivery receiving and dispatch time of the client, and therefore, concentrated delivery receiving and dispatch can be realized, and delivery receiving and dispatch efficiency can be improved; and the master of an express delivery station can issue messages and notices in a courier ring, and therefore, real-time scheduling can be realized according to the position of each courier and business in which the couriers are engaged, and therefore, real-time and efficient management of the master of the express delivery station can be realized.

The invention discloses a device and a method for scraping, replenishing and transferring a plate by a robot after zinc stripping and a zinc-stripping production line, wherein the device comprises an industrial robot arranged between one end of an input chain-conveying device and one end of an output chain-conveying device, and a scraping rack I, a scraping rack II and a scraping rack III which are arranged at one side of the industrial robot; the scraping rack I is used for scraping a cathode plate on which zinc is remained after stripping, the scraping rack II is used for scraping a cathode plate which is not successfully stripped, the scraping rack III is used for scraping a cathode plate, a plate body of which is damaged after zinc is successfully stripped, and plate scraping, plate replenishing and plate transferring work is performed among one end of the chain chain-conveying device, the scraping rack I, the scraping rack II, the scraping rack III and one end of the output chain-conveying device by virtue of the industrial robot. The device can ensure that the conveyed cathode plates which are unqualified after stripping are subsequently processed simply and conveniently and can also be used for improving the yield of the zinc-stripping production line while avoiding the vacancy phenomenon of the cathode plate under the condition that the qualified cathode plate cannot be replenished from the outside of a wire to the inside of the wire.

A double row thrust needle roller bearing, which can suppress differential slippage of the needle rollers under severe working conditions to improve its durability without increasing processing cost for majority variety/minority lot production, has a plurality of needle rollers (2) arranged in at least two rows in a radial direction and an annular cage (3) formed with a plurality of pockets (4) to hold the needle rollers (2). Each pocket (4) is formed in a rectangular configuration with a length of its radial side longer than that of each needle roller (2). A length of the pockets circumferential side is larger than the diameter of each needle roller (2). Each needle roller (2) is held within each pocket (4) of the cage (3) by nailed portions (5). The nailed portions (5) are formed near radially extending side walls (4a) of the pockets (4) at either sides of each needle roller (2) along its longitudinal direction. The nailed portions (5) are formed by plastically deforming the cage (3) at a substantially middle portion of the longitudinal length of the needle roller (2). Thus, each nailed portion (5) overhangs into the pocket (4) over the needle roller (2).

The invention relates to a seismic phase and frequency correction method based on complex seismic trace decomposition and reconstruction. The method includes the following steps that first, according to an effective frequency band range recorded in known earthquakes, a subwave base traversing the effective frequency band range and a non-stationary convolution model are established; second, the subwave base is converted into complex numbers through Hilbert conversion, and a complex subwave base is established; third, the non-stationary convolution model is changed into the complex number form through the complex subwave base, complex reflection coefficients (please see the formula in the specification) are resolved through linear operation and sparse inversion constrained by L1 norm, the complex reflection coefficients (please see the formula in the specification) are substituted into the non-stationary convolution model in the complex number form, the real number part of the complex reflection coefficients is obtained, reconstruction on the seismic section is achieved, and according to the frequency of the seismic subwaves in the complex subwave base changed before reconstruction and obtained phase information in the complex reflection coefficients, frequency correction, phase correction and synchronous correction of frequency and phases on the original earthquake records are achieved. The method can be widely applied in the oil exploration process.

The invention discloses an information processing method, a server and a computer storage medium. The information processing method comprises the steps of reversely traversing function codes in a binary file in a static mode; analyzing the function codes to obtain a global function topological relation in the function codes; obtaining an actual address of calling a function during running of the function codes in a dynamic mode; obtaining a local function topological relation according to the actual address of calling the function; and according to the local function topological relation, supplementing missing data in the global function topological relation to obtain a function call relation chain.

The invention provides a blockchain leader election method and a blockchain leader election device. According to the method, the backup node is determined in advance according to the node capability and the established strategy, so that leader node alternation is quickly realized after expiration or under emergency conditions, the core node can be quickly converted into the selected node, and a new leader node is quickly selected in a voting manner, so that the leader vacancy in a permission chain is prevented. Therefore, the leader is high in alternation speed and high in efficiency, and themethod and device can select a relatively complex node selection rule, and give consideration to the effect, the efficiency and the flexibility.

The invention discloses a fisheye image distortion correction method based on a reverse polynomial model. The fisheye image distortion correction method adopts a mathematic means that reverse Taylor series fitting is carried out on a polynomial function expression built by a forward model, and a corrected image coordinate which takes a pixel as a unit is converted into an image coordinate which is not corrected and takes a pixel as the unit. Since each corrected image coordinate inevitably corresponds to a certain pixel value in the image which is not corrected through a reverse correction model, a phenomenon that individual pixels of the image are lost after correction can be successfully avoided by reverse correction so as to avoid additional operation, such as interpolation and the like, and meanwhile, a good correction effect and better real-time performance can be obtained. Under a condition that correction precision is almost unchanged, the phenomenon that the pixels of the corrected image are lost is avoided, the real-time performance of the whole correction process is improved, and for an embedded system and a site application occasion, the reverse polynomial model is superior to a traditional forward polynomial correction model.

The invention belongs to the technical field of wafer loading, and provides an automatic wafer loading device for a wafer loading machine. The device comprises a rack, a material frame, a first positioning mechanism, a second positioning mechanism, a wafer overturning mechanism and a tray loading mechanical arm. The material frame is fixedly installed on the machine frame, the first positioning mechanism is installed on the material frame, a positioning table is further fixedly installed on the machine frame, and the multiple second positioning mechanisms are arranged on the positioning table.The wafer overturning mechanism is located between the material frame and the positioning table and comprises a rotary air cylinder driven by a driving device, a wafer taking plate is fixedly installed on a rotary disc of the rotary air cylinder, and a wafer suction hole is formed in one side of the end of the wafer taking plate. The tray loading mechanical arm is fixedly installed on the machineframe, a wafer taking and placing mechanism is arranged at the executing end of the tray loading mechanical arm, and the machine frame is further provided with a film shooting hole and a shooting mechanism corresponding to the film shooting hole. The feeding efficiency is greatly improved, the wafers cannot be damaged in the feeding process, and it is ensured that the wafer quality and the percent of pass are not affected in the wafer feeding process.

The present invention is a device for use by infants or pets which provides a fence for use by infants or pets to confine their activities within a restricted area so that caring of the infants or pets can become easier. The present invention comprises an assembly of fence plates rotatable in relation to each other, wherein the adjacent fence plates are assembled with each other by means of a rotating axle. The fence has a bottom portion which is disposed with fixing members. The present invention assembles a plurality of the fence plates to form a fence. The fence is fixed on the ground by the fixing members to prevent it from sliding. When infants or pets are put into an area restricted by the fence, they can enjoy sufficient rooms for activities. It is also possible to prevent the infants or pets from escaping out of the fence and to confine their activities within a restricted area, thus accidents due to absence of care could be avoided.

The invention discloses a student service system based on the mobile development technology and a using method thereof. The system comprises a personal information processing module, a bulletin board module, a life management module, a forum module, a campus activity module, a voting management module and a logout module, wherein the personal information processing module is used by students for editing and processing personal basic information, the bulletin board module is used by the students for obtaining daily information of a campus in real time, the life management module comprises a dormitory management module, a campus card management module, an email management module and a campus merchant management module, the forum module is used by the students for real-time discussion of hot topics inside and outside the campus, the campus activity module is used by the students for organizing and participating in activities, the voting management module is used by the students for voting relevant departments of a school, the logout module is used by the students for logging out the system. The system provides a good platform for communication between the school and the students and can enhance communication between the school and the students, the campus management efficiency is effectively improved, the campus life convenience of the students is improved, the campus life quality of the students is improved, and the independent consciousness of the students is trained.

The invention discloses an intelligent office table for enterprises. The intelligent office table comprises cabinet bodies, the cabinet bodies comprise the first-level cabinet body, the second-level cabinet body and the third-level cabinet body, each cabinet body is provided with a mounting area, each mounting area is internally provided with an upper mounting groove, a lower mounting groove, a left mounting groove and a right mounting groove, and intelligent rotating pieces are arranged among the multi-level cabinet bodies; drawers are arranged among the multi-level cabinet bodies, and the two sides of each drawer are provided with sliding blocks; elastic clamping blocks are arranged among the multi-level cabinet bodies; an operation platform is arranged above the first-level cabinet body, a control panel is arranged below the third-level cabinet body, and the control panel is internally provided with a control system. The intelligent office table is combined with intelligent technology, the office table is pushed to intelligence, the operation and control system is arranged, powerful functions in work and life can be achieved through the office table, tedious operation of working personnel is avoided, labor intensity of working personnel is relieved, meanwhile rapid development of the enterprises is promoted, it is beneficial to management, and actual application requirements are met.

The invention discloses an ERP system-based enterprise material storage computer management apparatus. The ERP system-based enterprise material storage computer management apparatus comprises a warehousing data acquisition device, a processor, an outbound delivery data acquisition device and an ERP server; the warehousing data acquisition device and the outbound delivery data acquisition device are both connected with the processor; the processor is connected with the ERP server; the warehousing data acquisition device includes a warehousing weighing sensor, a camera, a warehousing counter, aninductor and an inductive label which is matched with the inductor; the outbound delivery data acquisition device comprises an outbound delivery weighing sensor and an outbound delivery counter; theprocessor is connected with a prompting module and a warning module; and the prompting module includes a short message prompting unit and an electronic display screen prompting unit. According to theERP system-based enterprise material storage computer management apparatus of the invention, warehousing information and outbound delivery information can be compared with each other, so that the inventory information of goods can be obtained, and therefore, the demand of a storage system for human resources and the storage cost of the storage system can be decreased, storage personnel can be promoted to stock up timely, the normal operation of the production of an enterprise can be ensured, and the loss of the enterprise can be decreased.

The present invention relates to a method and a device for searching for and controlling controllees in a smart home system. The method for searching for and controlling controllees existing on two or more networks from controllers in a smart home system, according to one embodiment of the present invention, comprises the steps of: requesting a list of the controllees and receiving the list of the controllees from a server; transmitting a response request signal for requesting a response to the controllees existing in the received list of the controllees; and, when a response signal has not been received from one or more controllees, generating a non-response list for controlling, by the server, the controllees from which the response signal has not been received.

A hybrid drive including a first drive motor coupled by a clutch to a shaft, and a second drive motor coupled rigidly to the shaft. A method for determining the temperature of the clutch in the hybrid drive includes the steps of: determining a temperature of the clutch; determining a temperature of the clutch housing; determining the temperature difference between the clutch and the clutch housing; determining the heat conductivity between the clutch and the clutch housing, wherein the heat conductivity is determined as a function of the rotational speed of the first drive motor and the rotational speed of the second drive motor; determining the heat flow between the clutch and the clutch housing on the basis of the product of the heat conductivity and the temperature difference; and adjusting the ascertained clutch temperature on the basis of the ascertained heat flow.

The invention discloses a dynamic multi-path optimization method based on a cloud network fusion technology. The method comprises the following steps: dynamically obtaining performance index information, application requirement information, application service priority information and link cost information in real time; according to the obtained dynamic information, executing dynamic multi-path optimization selection or each data packet, and guiding the data packet to an optimal link corresponding to the data packet, wherein when dynamic multi-path optimization selection is executed, traffic is classified and dynamically distributed to links based on preset application strategies and service quality indexes in real time; when dynamic multi-path optimization selection is executed, broadband link information and rented line information are acquired, and a virtual high-bandwidth pipeline is created; when dynamic multi-path optimization selection is executed, application and link decoupling are executed based on link group strategy separation and link strategy backup; key application access priority level information of a user is obtained, real-time flow with high service priority level is determined, and priority level conversion is executed.

The invention provides a manufacturing method of a high-flatness multilayer circuit board. The manufacturing method comprises the following steps of material preparation, first copper substrate processing, second copper substrate processing, primary resin joint filling, primary press fit, inner layer board processing, secondary resin joint filling, secondary press fit, drilling, copper plating, film drying, etching, tin plating, solder masking, secondary solder masking, character forming and pattern fishing. The problems of uneven surface and overlarge line etching amount of the multilayer circuit board manufactured in the prior art can be solved.

The invention relates to the field of steel slag, in particular to an isolated type electrode plate coating wire group for steel slag recycling. The technical problem to be solved by the invention is to provide the isolated type electrode plate coating wire group for steel slag recycling. The isolated type electrode plate coating wire group for steel slag recycling comprises a first workbench, a conveying assembly, a coating assembly, a cleaning assembly and the like; and the coating assembly is fixedly connected with the cleaning assembly. When the isolated type electrode plate coating wire group for steel slag recycling is used, a wave sponge block is automatically used for coating an electrode plate, therefore the phenomenon that coating is not uniform due to the fact that common sponge is extruded during coating is avoided, meanwhile, the wave sponge is automatically separated and then the coating is injected, and the phenomenon that the coating at the high position in the sponge block is gathered to the low position is avoided; and the coating remaining on the side face of the electrode plate is automatically removed, and the phenomenon that the coating on the upper surface of the electrode plate is lost is avoided.