44results about How to "Avoid incorrect" patented technology

The invention provides a method and a system for searching commodity information, and relates to the technical field of networks. The method includes providing commodity information and various initial keywords of the commodity information; enabling a server to receive query terms; retrieving contents of the commodity information on the basis of the query terms to acquire an initial commodity set; acquiring various initial keywords corresponding to each piece of to-be-computed commodity information of partial or all pieces of to-be-computed commodity information in the initial commodity set; computing first correlations of the various initial keywords and the query terms and second correlations of the various initial keywords and the commodity information for the various initial keywords of the to-be-computed commodity information; sorting the to-be-computed commodity information according to the first correlations and the second correlations; feeding the top sorted to-be-computed commodity information. The method and the system have the advantages that an information loss degree can be reduced, searching and sorting pressure on a search engine can be reduced, and the accuracy of the searched commodity information can be improved.

A method of data transmission including receiving a request for data over an Internet, by a data provider; obtaining data, in response to the request, at the data provider; applying a quality assurance procedure to the obtained data, responsive to the request, at the provider and other than any virus scanning of said data; and transmitting the data over the Internet responsive to the assurance. Preferably, the quality assurance procedure includes assuring that the data is pre-approved for transmission. Preferably, the procedure includes verifying a digital signature of the data.

The invention discloses a method for verifying correctness of a transformer differential protection secondary connection loop, which comprises the following steps of: completing the secondary connection of a main transformer differential protection loop, carrying out three-phase short circuiting on a main transformer low-voltage side, applying a 100-500 V three-phase alternating-current voltage to a main transformer high-voltage side, judging whether the connection of a differential protection circuit is correct or not according to the result whether a differential current is generated in the main transformer differential protection loop, judging that the connection of the differential protection circuit is not correct when the differential current passes through the differential protection circuit, and judging that the connection of the differential protection circuit is correct when no differential current passes through the differential protection circuit. Therefore, by the invention, the real running condition of the transformer put into operation can be simulated, and the problem that a transformer is possibly paused to replace the connection of the secondary loop is avoided when the load test is carried out on the transformer differential protection to verify the correctness of the differential loop or the connection of the differential loop is incorrect after the transformer is put into operation.

The invention provides a method for detecting a capacitive type touch-control device. The capacitive type touch-control device comprises a touch-control panel which is provided with a plurality of induction lines, wherein the induction line (N) is connected with a first touch-control integrated circuit, and the induction line (N+1) is connected with a second touch-control integrated circuit. The detecting method comprises the following steps: obtaining an analog-to-digital conversion value of at least one induction line before the induction line (N) and an analog-to-digital conversion value of at least one induction line behind the induction line (N); and deciding the induction capability of the induction line (N) according to the obtained analog-to-digital conversion values. The method for detecting the capacitive type touch-control device is used for judging the induction capability of the induction line (N) in a boundary to avoid the incorrect or smaller condition of the induction capability of the induction line (N) in the boundary.

The duct assembly of the present disclosure includes one or more air impingement ducts and a plenum plate for receiving the impingement duct. Each impingement duct includes a housing, a columnating plate with one or more columnating orifices, and a cover plate with one or more cover orifices. The housing, columnating plate, and cover plate are arranged in stacked arrangement, and collectively define an interior space in the duct. Heated air is passed through the interior space and out through the orifices. At least one of the plenum plate, housing, columnating plate, and cover plate includes a mechanical feature that mates with a corresponding feature on another of the duct components, to ensure that only specific duct components can be assembled together. In one embodiment, the columnating plate includes a pin protruding with an end that mates with a corresponding notch on the cover plate. In another embodiment, the housing has an angled side or flange that mates with a corresponding angles flange on the plenum plate.

The invention discloses a physical training instrument and a monitoring system thereof. The physical training instrument comprises an inclined reclining chair and a pushing rod, a support and a load frame are symmetrically arranged at positions, close to higher sides, of each of two sides of the reclining chair respectively, two ends of the pushing rod extend towards two sides respectively to penetrate the supports and the load frames in a matched manner, the pushing rod is a rectangular rod, columnar hand-holding portions are symmetrically arranged on the pushing rod, a rectangular hole is formed in each support, the pushing rod penetrates the rectangular holes, the horizontal width of each rectangular hole is identical with that of the pushing rod, a moving block sliding up and down is arranged in each load frame, the pushing rod penetrates the load frames and is positioned on the lower sides of the moving blocks, two ends of the lower side of each moving block are connected with one end of a load spring, and the other end of each load spring is fixed at the bottom of the corresponding load frame. By using the physical training instrument, lying and pushing training can be completed independently; the monitoring system which is professional is provided, so that training condition of each sportsman can be observed and evaluated visually and specific training schemes can be formulated.

The invention discloses a self-repair circuit of a multiport memory and a corresponding method thereof. The self-repair circuit comprises a test analysis module and a flaw-positioning module; wherein the flaw-positioning module is coupled with the test analysis module. The test analysis module tests a repairable multiport memory in order to generate a wrong position and judges whether the test causes relevant port errors according to the wrong position. If the test causes the relevant port errors, the flaw-positioning module generates a flaw position according to the wrong position and provides the flaw position to the test analysis module which decides how to repair the repairable multiport memory according to the flaw position; otherwise, if the test does not cause the relevant port errors, the test analysis module decides how to repair the repairable multiport memory according to the flaw position.

The invention discloses a method and system for receiving base station difference data and a receiving radio station. The method comprises the following steps: pre-storing a plurality of frequency points and identification codes in the receiving radio station, and with one frequency point in the plurality of frequency points being as a receiving frequency point, receiving data and recording data receiving time; obtaining a frame header of the data; when the frame header is correct, obtaining identification codes from the data; when the identification codes are matched with the pre-stored identification codes, obtaining difference data from the data; when the identification codes are not matched with the pre-stored identification codes, continuing receiving data at the frequency point and judging the frame header and the identification codes until the data receiving time is larger than preset time and then, switching the frequency point and re-receiving the data or the frame header is correct and the identification codes are matched; and when the frame header is not correct, continuing receiving data at the frequency point and judging the frame header until the data receiving time is larger than the preset time and then, switching the frequency point and re-receiving the data or the frame header is correct, thereby ensuring that the receiving radio station receives the correct difference data and saving both time and labor.

The invention relates to a method and a system for performing anycast in an internet protocol (IP) network capable of supporting node movement. The method comprises the following steps that: 1, a mobile node determines to join an anycast group; 2, the mobile node transmits an anycast group joining request message which carries an anycast address to a mobile management entity in the network; 3, the mobile management entity detects actual distance information of the mobile management entity and the mobile node; 4, the mobile management entity transmits route signalling to a neighboring router of the mobile management entity to transfer anycast routing information, wherein the signalling carries the information of distance from the signalling transmitter to the nearest mobile node in the anycast group in a domain where the mobile management entity is positioned; 5, the neighboring router of the mobile management entity updates the anycast routing information in the anycast group in a routing table; and 6, the router in the network performs anycast according to the routing table per se. The method and the system can avoid the incorrectness of the anycast routing information in routersoutside the domain.

The invention relates to a scraper machine curvature optical fiber measuring system, and belongs to the technical field of distributed optical fiber sensing. The scraper machine curvature optical fiber measuring system aims at solving the problems that an existing scraper machine curvature measuring method cannot accurately detect the bending angle of a scraper machine in real time, and the advancing direction of the scraper machine cannot be adjusted in time. According to the scraper machine curvature optical fiber measuring system, an IQ cyclic modulation method, a double-interference loop and a polarization diversity reception technology are combined to accurately measure the curvature of the scraper. Meanwhile, a specific optical fiber laying mode is provided, real-time monitoring of the curvature of the scraper is achieved, unnecessary losses caused by the fact that a coal mining machine deviates from the track are avoided, and the scraper machine curvature optical fiber measuringsystem has the beneficial effects of being accurate in measurement, high in reliability, good in real-time performance and the like.

The invention relates to equipment in the technical field of stirring, in particular to a movable stirring device, which comprises a stirring device body. The stirring device body is provided with a stirring shaft driven by a motor; stirring blades are arranged under the stirring shaft. The movable stirring device is characterized by also comprising a frame, wherein rolling wheels are arranged under the frame; a cross beam is arranged above the frame; a stirring motor is arranged on the cross beam; the stirring shaft is arranged downwards; the frame comprises stand columns on the left side andthe right side; the wheels are arranged under the stand columns; vertical slide rails are arranged on the stand columns; slide bars are arranged in the slide rails in a matching way; two ends of thecross beam are arranged on the upper ends of the slide bars; a lifting cylinder is arranged between the lower end of each slide bar and each stand column; a lifting air source is connected with each lifting cylinder; the lifting cylinders lift up and down so as to enable the slide bars to lift up and down. The device has the advantages that the device is not needed to be taken by hand, meets the requirement on large-scale production, and is convenient to move.

A rigid member configured to maintain components in spaced relationship is disclosed. An outer wall portion of the rigid member is arranged substantially concentric about a central axis and a fastener-receiving portion is arranged within the outer wall portion. The fastener-receiving member defines a central bore extending therethrough and oriented substantially concentric about the central axis. A plurality of interconnecting portions extend between the outer wall portion and the fastener-receiving portion.

A DMA circuit prevents an erroneous data transfer by a descriptor due to an address failure of memory. When a descriptor is created, the data processing unit writes a pointer, for storing the descriptor, in a predetermined part of the descriptor, and stores the descriptor in memory, and when a DMA engine reads the descriptor from the memory, the DMA engine confirms whether the value is correct, and judges whether a DMA transfer of the data in the memory is possible. For both reading and writing of a descriptor, data corruption due to an address failure can be prevented.

The invention discloses an RF (Radio Frequency) fingerprint database establishment method. The method comprises following steps of discretizing a to-be-positioned region into N detection points; generating an N-order discrete Fourier transform matrix F relative to the N detection points; extracting M lines from the matrix FH according to a preset sampling quantity M, thus forming an M-line N-column observing matrix B with a minimum correlation coefficient; generating an M-dimensional signal feature vector y->arrow according to signal features obtained by measuring the M detection points corresponding to the line mark numbers of the extracted lines; restoring according to the observing matrix B and the M-dimensional signal feature vector y->arrow, thus obtaining the N-dimensional signal feature vector r->arrow of all N detection points in the to-be-positioned region; and establishing an RF fingerprint database according to the signal feature vector r->arrow, wherein the database is used for search and comparison when RF fingerprints are positioned. The invention also discloses an RF fingerprint database establishment device. The workload for establishing and updating the RF fingerprint database can be saved; and moreover, the reliability and accuracy of the restoration results are ensured.

An image processing device, including an image generation circuit and a multifocal length processing circuit, is provided. The image generation circuit generates multiple depth plane images with depth information and multiple corresponding zoom control information, and merges the multiple depth plane images and the multiple zoom control information according to an arrangement rule, to be a merged image data. The multifocal length processing circuit is configured to decompose the merged image data to restore the multiple depth plane images and the corresponding multiple zoom control information according to the arrangement rule, and to determine a time at which the restored multiple depth plane images are transmitted to a display device and a time at which the restored multiple zoom control information are transmitted to a zoom lens according to a frame rate of the display device. The disclosure also provides an image processing method and a 3D image generation system.

The invention relates to a sanitary line attachment (1) which has a sleeve-shaped design in at least one front end area (6) and, in the sleeve interior of this sleeve-shaped front end area (6), has aninner thread (7) for attachment to an adjacent line section, wherein at least one sealing ring (9) is clamped sealingly between the line attachment and the adjacent line section, from the outer circumference of which ring at least one holding projection (10) protrudes, which holding projection (10) engages in the inner thread (7) in the sleeve interior of the sleeve-shaped front end area (6). A characteristic of the line attachment (1) according to the invention is that the sealing ring (9) is made from a dimensionally stable and/or inelastic material, and that the sealing ring (9) has at least one indent (11), preferably at least two indents (11) arranged at a distance from each other on the inner circumference of the ring, which indents (11) are designed as tool engagement surfaces (cf.Fig. 5).