163results about How to "Free from loss" patented technology

The invention provides a live method and system for a stream medium. The live method for the stream medium comprises the following steps: performing slicing processing on the stream medium transcribed in a real-time manner by a stream pushing terminal, and successively generating slicing files which can be independently played; updating generated information of the slicing files to an indexed file, wherein the indexed file comprises preset capacity of the information of the slicing files; uploading the indexed file and the slicing files to a server by the stream pushing terminal, and further processing the indexed file and the slicing files by the server according to need. The live system for the stream medium comprises a slicing processing module and a slicing uploading module, wherein the slicing processing module is used for performing the slicing processing on the stream medium transcribed in the real-time manner and successively generating the slicing files which can be independently played; the slicing uploading module is used for updating the generated information of the slicing files to the indexed file, the indexed file comprises the preset capacity of the information of the slicing file, and the indexed file and the slicing files are uploaded to the server. Through the use of the technical scheme of the invention, the fluctuation resistant property of the live stream medium is improved, and the data integrity is ensured.

The invention discloses a field programmable gate array (FPGA)-based multi-channel real-time global position system (GPS) tracking method. The method comprises the following steps of: establishing an FPGA-based coupling circuit of an incoherent delay lock loop and a digital Costas loop to track Doppler drift of a coarse / acquisition (C / A) code phase and carrier frequency, demodulating navigation data during tracking, and adding a lock detector into the digital Costas loop to judge the demodulated result; establishing an FPGA-based single-channel control module and a whole tracking control module, and controlling phase discrimination filtering work in each tracking channel and the whole channel so as to control coordinative operation of the whole multi-channel tracking; and directly copyinginstantiation on the basis of finishing a single channel, realizing a parallel multi-channel tracking mode, and transmitting the tracked and demodulated multi-path navigation messages to subsequent navigation calculation in a single program initiation (SPI) bus mode.

This invention discloses one audio frequency data memory method based on bare device, which comprises the following steps: aligning magnetic disc space into several blocks and designing each with certain number and storing the blocks into each disc space block for operations in writing or reading data. This invention has property for lossless data to keep data in electricity break.

The invention relates to a method and a device suitable for measuring the fluffing and pilling amount and abrasion amount of a textile. The device is composed of a cloth sample barrel for coiling and clamping the textile, a rubbing mechanism for fluffing and pilling a cloth sample, a mini-type dust collector for collecting fallen fibers and fuzzy balls, an electrostatic electrode for assisting filoplume to be vertical, a collector for shearing and collecting the fuzzy balls and the filoplume, an optical measurement system for observing the fuzzy balls of the cloth sample, an electronic scale for weighing the weight of the filoplume fuzzy balls, a data acquisition and control system and a computer. The measurement method comprises the following steps: after coiling the cloth sample by equal tension, immediately measuring the filoplume significance as well as the quantity, form, size and distribution of the fuzzy balls; rubbing, fluffing and pilling to prepare a sample and synchronously measuring the process and measuring the filoplume significance of a final rubbing sample, the fuzzy ball quantity, the abrasion to the filoplume fuzzy balls and the remaining amount. The device and the method are ingenious, practical, accurate and quantitative; in-situ measurement for one machine with a plurality of purposes and one measurement process with a plurality of indexes is realized; the device and the method can be used for preparing the sample by fluffing and pilling the textile, measuring the fluffing and pilling amount and abrasion amount of the textile, and carrying out comprehensive analysis and evaluation.

The invention relates to parking lot management systems, in particular to a car networking system for parking service. The car networking system comprises vehicle license plate recognition systems, a car networking cloud platform and charge management systems, wherein the vehicle license plate recognition systems are arranged in a plurality of parking lots, and the charge management systems control entrance / exit ways of all the parking lots. Each charge management system is used for receiving license number information transmitted by the corresponding vehicle license plate recognition system, calculating parking fares of vehicles entering the corresponding parking slot and transmitting the license number information and parking fare information to the car networking cloud platform; the car networking cloud platform is used for user registration and also used for paying the parking fares of the vehicles corresponding to stored license numbers and sending payment information to the corresponding charge management systems. According to the car networking system, the vehicles do not stop when going up and down a ramp or passing through a curve entrance / exit, vehicle flameout, ramp start and the like can be avoided, and therefore safety accidents are reduced; the vehicles do not need to be stopped, and windows do not need to be opened; vehicle owners will not be affected by wind, rain and snow outside the windows any longer in bad weather.

The invention discloses a method for extracting single tree information from LiDAR in a layered clustering mode and belongs to the scope of LiDAR point cloud data processing and information extraction. According to the key technical point, 1, the point cloud is horizontally layered; 2, all the layers of point cloud are classified in a k mean value clustering mode, and different attribute values are provided for all the layers of point cloud; 3, the point cloud meeting preset conditions is fused; 4, the single tree positions, the tree height, the crown breadth and other information are extracted from the point cloud with the same attribute values, and forest stand structure information is calculated through the single tree information. The method has the key advantages that extraction of floor stratum single trees is achieved, and the number of accurately extracted forest stand forests reaches 80% or above; the function of extracting the single tree information from LiDAR and calculating the forest stand structure is achieved; no excessive requirement on the point cloud density is generated, and it is proved that the point cloud of 2p / m<2> can complete relevant work. The method can be applied to the field of LiDAR inversion information, is especially suitable for the forest stand condition with the complex structure, and can accurately extract the single tree positions, the tree height, the crown breadth, the forest stand structure parameters and other relevant information.

The invention discloses a guide image filtering based adaptive infrared image detail enhancement method, which comprises the steps of firstly dividing an original image into a basic layer containing a low-frequency background and a detail layer containing high-frequency details by adopting a guide filter; then processing the basic layer by adopting an improved adaptive histogram projection algorithm so as to realize improvement for the image contrast and improve the scene adaptability of the algorithm; meanwhile, processing the detail layer by adopting a method based on a noise visibility function so as to enhance image details and suppress image noise; and finally building a final output image by using the processed basic layer and the processed detail layer. According to the invention, true infrared image data under multiple scenes can be effectively improved by adopting an adaptive threshold parameter selecting method and a simpler detail layer processing process, the output image is good in contrast and rich in detail and has good visual effects, and the real-time performance of the algorithm is also good.

Provided is a frozen commodity distribution method reduced in labor and cost while holding the quality of frozen commodities and a cold insulation container unfoldable and foldable in a short time while providing high cold insulation performance. In the distribution method, the frozen commodities requiring cold insulation are stored in the cold insulation container formed of a vacuum thermal insulation material, and the cold insulation container is distributed by a refrigerator car, cold insulation car, or a room temperature car other than a chill car. In the foldable cold insulation container, each of peripheral wall parts, cover parts, and bottom face parts is formed by including the vacuum thermal insulation material in a sheet material, and the peripheral wall parts of the cover parts adjacent to the continuously arranged peripheral wall parts are foldable since the vacuum thermal insulation material is divided along pleat lines. When the container is used, the cover parts and the bottom face parts are rotated in closed attitudes to form into a box. When the container is not used, the bottom face parts are bent to the inside or outside of the peripheral wall parts, the cover parts are bent in the reverse direction of the bottom face parts, and the peripheral wall parts are allowed to approach each other while bending the peripheral wall parts inward along the pleat lines, stacked on each other, and folded.

The present invention relates to a radio signal identification method based on an end-to-end convolutional neural network. The method is characterized in that: an original I / Q sampling data of an observation window is subjected to execution of preprocessing and identification through a convolutional neural network in order. The preprocessing step is that: the original I / Q sampling data of the observation window is taken as input, and a frequency spectrum waterfall plot is output after discrete Fourier transform and data format alignment processing; the step of identification through the convolutional neural network is that: the frequency spectrum waterfall plot obtained by preprocessing is taken as input, and a one-dimensional boolean vector configured to show whether all the signals to beidentified are existed or not is output after the input passes through a CNN feature extraction layer, an MLP feature mapping layer and a BR multi-tag classification layer. Compared with the mode offeature extraction and classification identification, the radio signal identification method employs the end-to-end technical solution thinking to avoid complex and low-efficient feature engineering,improve the signal identification accuracy, robustness and intelligence level, and has important meaning of radio monitoring of important areas and important activity scenes.

The invention relates to a differential protection method using single-ended transient signal high-frequency component throughputs of a transmission line, belonging to a single-ended transient protection scheme for a power transmission line. When the line is in short circuit, a large number of high-frequency signals are generated due to a fault and are propagated to the two ends of the line; and as a bus has ground distributed capacitance, the high-frequency signals are remarkably reduced when the high-frequency signals pass through the bus, and high-frequency component values detected at a proximal fault side of the bus are always greater than those detected at a distal fault side of the bus. According to the differential protection method, fault signals of the inner side and the outer side of the bus at a line protection mounting position are acquired by using the above-mentioned principle, fault transient signals are subjected to lossless segmentation by using a perfect reconstruction filter bank, then, the difference value of certain throughputs of subband components of the inner side and the outer side of the bus is calculated, and whether the fault is an internal fault or an external fault is judged according to a majority voting mechanism by using the difference value; and signals for constructing criteria are a plurality of subband high-frequency signals covering the full high-frequency band, and subband frequencies can be adaptively adjusted along with the change of a sampling frequency. The differential protection method has the advantages that the scheme is simple and reliable, the line of total length can be protected, the requirements on the distributed capacitance of the bus are low, and the fault tolerance and the reliability are enhanced from principle and hardware implementation manners.

A retrievable pig apparatus having a substantially cylindrical body portion, the body portion having a central flow bore therethrough, and secured to coiled tubing, including a central fluid flow bore in fluid communication with the interior bore of the coiled tubing; a plurality of flow bores spaced equally apart within the body, with the flow bores allowing fluid flow to be injected at a certain predetermined pressure through the flow bores, so as to be emitted on the front end of the pig for defining a high pressure spray of fluid or the like material to break up blockages of debris in the pipeline, such as paraffin or the like; the debris retrieved through the central bore back into the coiled tubing to be stored in a tank or the like on the surface. There is further included a plurality of flexible cups, spaced apart along the outer wall of the pig body, each cup secured to an interior metallic ring around the body of the pig, with the flexible cups making contact with the wall of the pipeline so as to provide a continuous fluid seal between the wall of the pipeline and the ends of the plurality of flexible cups. Intermediate each cup there is provided a compressible safety ring, which will compress under excess pipeline pressure, thus allowing the fluid to flow past the plurality of flexible cups, reducing the pressure in the pipeline. Further there is provided within the plurality of six flow bores around the interior flow bore, for adjusting the force that is allowed to flow through the plurality of bores in either direction by providing a first and second thruster springs of a pre-determined compressible force for allowing the spring to be compressed and effecting fluid flow therethrough in the direction in which the flow is to travel in the bores.

The invention relates to a device and a method for measuring fluffing and balling shape as well as hair bulb stripping of a yarn. The device comprises a mechanism clamping hair bulbs to implement stripping, a yarn delivery mechanism performing equal-tension close packing, a yarn winding mechanism winding the yarn at a constant speed, a yarn grinding mechanism performing friction on the close packed and wound yarn, a translation driving mechanism driving the yarn delivery mechanism and the yarn winding mechanism in a switching manner, an abrasion object collector, a microimaging system and a control and data analysis system. The measuring method comprises the steps that a gap bridge wheel of the translation driving mechanism transposes the yarn delivery mechanism and the yarn grinding mechanism, and is matched with the yarn winding mechanism, so that close packing yarn winding and yarn grinding sampling are achieved; a yarn grinding sample in a yarn grinding process is measured in situ; and comprehensive measuring and evaluation are performed on the yarn grinding sample in a final state. The device is ingenious in structure, practical, precise in measuring, quantitative, and multipurpose, is an in-situ measuring device for measuring multiple indexes, and can be used for measuring of the hair feather and hair bulb quantity, the shape, the abrasion loss and the back-and-forth drag stripping property of the yarn, and for comprehensive evaluation of the fluffing resistance and the balling resistance.

The invention provides a light splitting device for improving the spectrum probing range, which includes a first light splitting unit, a second light splitting unit, a detection unit and a processing unit, wherein the first light splitting unit is used for light splitting of measured light, and the wave length of the measured light covers the range of [lambda1, lambda 2]; the second light splitting unit includes chromatic dispersion component(s) Mi used for the light splitting of measured light before or / and after passing by the first light splitting unit and having different light splitting capabilities, wherein I equals to 1, 2 to N, and N equals to or is lager than 2, and the chromatic dispersion direction of the first and the second light splitting units are mutually vertical; the detection unit is used for converting optical signals of the received measured light passing by the first light splitting unit or the chromatic dispersion component(s) Mi into electrical signals Ii respectively, and transmitting the electrical signals to the processing unit, wherein I equals to 1, 2 to N, and N equals to or is lager than 2; and the processing unit is used for combining the received electrical signals Ii, so as to obtain the light intensity distribution of the measured light in the range of [lambda1, lambda 2], wherein I equals to 1, 2 to N, and N equals to or is lager than 2. The light splitting device provided by the invention has the advantages of excellent stability, simplicity in installation and debugging, excellent maintainability, low cost and the like.

The invention discloses a cuckoo search-based underground mine image enhancement method, which adopts a cuckoo search algorithm in combination with a BGDPH algorithm provided by the invention to perform enhancement processing on an image, and comprises the following steps of: converting the underground mine image into an HSV color space, and performing adaptive nonlinear stretching processing on asaturation component S, initializing cuckoo search algorithm parameters and population and performing BGDPH algorithm processing on a brightness component V at each bird nest position to obtain an intermediate image, calculating the fitness value of the bird nest through the weighted fusion of the entropy value, the brightness difference value and the gray scale standard deviation of the intermediate image, iteratively updating the optimal bird nest position in a Levy flight regularization mode, and substituting the final optimal position into the BGDPH algorithm to enhance the component V, and finally, converting the HSV image back to the RGB space to obtain a final enhanced image. Compared with other methods, the method is good in image enhancement effect, and the visual effect of the underground mine image is obviously improved.

The invention relates to a device and method used for measuring the pilling form and pulling force of densely arranged yarns. The device consists of a yarn winding mechanism, a yarn grinding mechanism, a yarn feeding mechanism, a translational driving mechanism, a wearer collector, a microscopic camera system, a clamping and pulling mechanism, and a control and data analysis system. The method comprises the steps of bridging and rotating the yarn feeding mechanism and the yarn grinding mechanism through the translational driving mechanism, kinetically matching with the yarn winding mechanism to achieve the winding of the densely arranged yarns and yarn grinding sample preparation, and carrying out on-line measurement on yarn samples in the process of yarn grinding as well as comprehensive measurement, calculation and evaluation on yarn grinding samples in a final state. The device is ingenious in structure, practical, and precise and quantitative in measurement, and the device and the method are an in-situ measuring device and an in-situ measuring method which are multi-purpose and multi-index in one measurement. The device and the method can be used for the measurement of the pilling quantity, form and wear quantity of the yarns and pulling forces of hairiness and hair bulbs as well as the comprehensive evaluation of the pilling resistance.

The invention provides kiwi fruit micro-powder and a preparation process thereof, and relates to fruit powder and a preparation method of the fruit powder. According to the technical scheme provided by the invention, the preparation process of the kiwi fruit micro-powder comprises the following steps: cleaning kiwi fruit, draining off, and cutting into slices for later use; enclosing the cut kiwi fruit into a charging tray; putting into a vacuum drying room, dewatering and drying; crushing the dried kiwi fruit in a fully-closed state under the protection of nitrogen, and then sieving, so as to obtain micro-powder; and bagging the micro-powder in a low-temperature environment, and sealing in vacuum. The preparation process disclosed by the invention is advanced; 100% of skin, pulp and seeds of the kiwi fruit are utilized; raw materials are fully saved; the utilization efficiency is improved; and the kiwi fruit micro-powder is good in keeping of nutritional ingredients, good in color and luster, and convenient to store and transport for a long period of time.

The invention relates to an aerosol virtual impacting concentration separator which is characterized in that the separator comprises an outer drum; one side of the lower part of the outer drum is provided with an exhaust port and an exhaust fan which is connected with the exhaust end of the exhaust port; the outer drum is internally provided with three stages of separation inlet components from top to bottom; the first stage component comprises an aerosol air intake, the front end of the first stage component is provided with a waterproof and inset resistant net cover, the first stage component is internally provided with a flow limit column and a ring gap is arranged between the flow limit column and the first stage component; the second stage component comprises a large particle collection port and a second stage separation intake board, the large particle collection port is correspondingly arranged under the aerosol air intake and a plurality of second stage spouts are cut evenly at the periphery of the second stage separation intake board; the third stage component comprises a tank which is connected under the second stage separation intake board, the third stage spouts are cut at the bottom of the tank and a third stage collection port is arranged under the third stage spouts. By utilizing the flying inertia of aerosol particle and adopting the virtual impacting principle, the separator of the invention separates the respirable particle with the diameter of 2 microns to 12 microns, which contains microorganism, from great air flow and concentrates the respirable particle to comparatively small air flow.

The invention relates to a method and system for issuing incremental updating of a program package. The method includes the steps that firstly, a client side requests for the returning of a fingerprint inventory file, wherein the route and file name of the program package can be carried in the requesting process; secondly, a server side calculates filer fingerprints of the grogram package and generates a file of a fingerprint inventory format; thirdly, the client side processes the fingerprint inventory file and downloads files which do not exist in a local file fingerprint warehouse; fourthly, the client side establishes index information for the files which do not exist in the local fingerprint warehouse; fifthly, the client side conducts recombination to form an integral grogram package according to the fingerprint list; sixthly, the client side verifies the integrity of the file according to the fingerprint list. By means of the method, the system program package can be transmitted only once, and efficiency is effectively improved; the program package fingerprints of the program package are calculated in real time, and the multi-core calculation capacity of a CPU is fully used; by means of the verification mechanism, the correctness of the program package is ensured, and the program package is effectively prevented from being modified.

The invention relates to a system and method capable of achieving quick service recovery. The system comprises an original service server, a data storage server and a target service server. The data storage server is used for storing snapshoot data of the original service server and generating a virtual service server when the original service server breaks down. The target service server is used for receiving data synchronized by the data storage server and recovering the service after the data are synchronized. By the adoption of the system and method capable of achieving quick service recovery of the structure, the service-oriented quick recovery technology is adopted, and the influence on continuous service operation by service data recovery is eliminated; based on the data security technology of volumes, the virtualization technology is combined at the same time, and the problem that service interruption time is too long due to original system hardware faults is solved; it is guaranteed that the service system can be recovered quickly when the original service server breaks down, the service is only suspended for several seconds, service interruption time is shortened, service continuity is ensured, and no data are lost in the process.

The invention relates to a target decomposition method based on a model for a fully-polarized synthetic aperture radar. The target decomposition method comprises the steps of: acquiring fully-polarized data of a self-correlation matric form; getting volume scattering component power based on a nonnegative eigenvalue decomposition method under the theoretical situation of non-reflective symmetry; calculating a remainder self-correlation matrix according to the obtained volume scattering component power, and carrying out eigenvalue decomposition on the obtained remainder self-correlation matrix to obtain a characteristic vector with eigenvalue being zero and two characteristic vectors with eigenvalue being non-zero; conducting orientation angle compensation and helical angle compensation on the two characteristic vectors with eigenvalue being non-zero in the remainder self-correlation matrix; calculating a new remainder self-correlation matrix on the basis of the characteristic vectors after orientation angle compensation and helical angle compensation; and getting surface scattering power and double scattering power based on the obtained new remainder self-correlation matrix according to a method of getting surface scattering power and double scattering power through three-component decomposition. The target decomposition method provided by the invention has the advantages of no loss of information and no occurrence of negative power.

The invention relates to a measuring method and a device for apparent fluffing and balling as well as abrasion loss of a yarn. The device comprises a yarn winding mechanism with a yarn grinding function, a yarn grinding mechanism with controllable friction pressure, a yarn feed mechanism with adjustable tension, a static and clipping mechanism, a hair bulb and hair feather collection mechanism, an optical measuring system for instant observation of yarn sample fluffing and balling shape and quantity, a data acquisition and control system and a computer. The method comprises the steps that the hair feather significance, the hair bulb shape and the hair bulb quantity of the yarn are immediately measured after a yarn sample is formed by winding the yarn through equal-tension close packing; friction fluffing and balling sampling is performed; and the hair feather significance, the hair bulb quantity, the hair feather and hair bulb abrasion, and the hair feather and hair bulb maintenance quantity of a yarn grinding sample in a process and in a final state are measured synchronously. The device is ingenious and practical in structure, and takes measurements precisely and quantitatively, the in-situ measuring device and the method are multipurpose, can measure multiple indexes, can be used for comprehensive evaluation of the yarn fluffing significance, the balling quantity and shape, the abrasion fiber quantity, the fluffing resistance, and the balling resistance, and can also be used for estimating fluffing and balling grades of fabric.

The invention discloses an electronic equipment data credible acquisition and evidence storage method based on the blockchain technology, and the method comprises the steps: generating a unique public and private key pair for electronic equipment according to an equipment manufacturer name, an equipment model and an equipment SN number; through a private key signature and public key signature verification mode, guaranteeing that the server can confirm the identity of the device when the data collected by the device is sent to the server in real time, and guaranteeing that the data is not tampered. A strict progressive increase operation sequence number is maintained for each device, and a timestamp synchronization mode is adopted, so that the data uploading sequence of the devices is consistent with the collection sequence. And the data uploaded by the equipment is not lost or deleted in an offline period in a mode of maintaining a strict progressive increase operation sequence number for each piece of equipment. And the server stores the public key of the electronic equipment and is bound with the information of the electronic equipment. The whole process of data from collection to storage is transparent, credible and non-tampering through the block chain and encryption technology.

An on-line detector for a round packaging object label comprises a label scanner, a rotating automatic clamping mechanism and a control system. The rotating automatic clamping mechanism comprises a first clamping part, a second clamping part and a pneumatic element. The first clamping part and the second clamping part are arranged opposite to each other, and the pneumatic element controls the first clamping part and the second clamping part to make opening and closing movement. The first clamping part and the second clamping part respectively comprise driving rollers, auxiliary rollers and driving roller motors. The driving rollers and the driving roller motors are in transmission connection. The control system of the pneumatic element, the driving roller motors and the label scanner are all electrically connected with the control system. The on-line detector for the round packaging object label is suitable for automatic production and detection in an automatic production line, manual intervention is needless, production efficiency is improved, and sub-quality products are prevented from flowing into the market.

The invention discloses a steel frame with a friction energy dissipation self reset device in a beam. The steel frame includes at least one structural unit, each structural unit includes a frame column, an I-shaped steel beam, a full-length steel plate, an upper base plate, a lower base plate, a high-strength bolt and a butterfly gasket; the two ends of the I-shaped steel beam are connected with the frame column through flange plates, the two ends of the full-length steel plate are respectively connected with the frame column in a welded mode, the upper base plate is welded on the outer side of the I-shaped steel beam, the lower base plate is located on the lower side of the full-length steel plate, the high-strength bolt is used for connecting the I-shaped steel beam, the full-length steel plate, the upper base plate, with the lower base plate as a whole, the two sides of connection faces are correspondingly provided with slopes, and the butterfly gasket sleeves the high-strength bolt. The steel frame with the friction energy dissipation self reset device in the beam can be applied in steel frames, so the structure can realize the reset energy dissipation capacity under strong earthquake, and the economic loss after the earthquake is effectively reduced.

The invention discloses a management system and a management method for an invoicing application form. The management system comprises a client management subsystem and a server management subsystem, wherein the client management subsystem comprises a client public function module, a client application form management module, a client information maintenance module and a client system setting module, and the server management subsystem comprises a server public function module, a server application form management module and a server system setting module. The management method comprises the following steps of enabling a financial person to issue the payment information of a purchaser organization; enabling a salesman to check the payment information of the purchaser organization, recording the information of the invoicing application form of the purchaser organization, and submitting; enabling a reviewer to review the invoicing application form, and recording reviewing comments; enabling the salesman to check the reviewing result of the invoicing application form; importing the reviewed information data of the invoicing application form into an invoicing system, enabling the invoicing system to perform the legality check of the user and the data on the information of the invoicing application form, and invoicing.

The invention discloses an intelligent lampshade replacing system for a table lamp. The intelligent lampshade replacing system comprises a limiting device, a fixing ring adjusting device, an auxiliarydevice and two lampshade fixing devices; and the fixing ring adjusting device is installed on the left side of the front end of the limiting device, the auxiliary device is installed on the right side of the front end of the limiting device, and the two lampshade fixing devices are installed at the rear end of the limiting device and are symmetrically arranged. According to the intelligent lampshade replacing system, the problems that in the existing lampshade replacing process, a fixing ring needs to be taken down manually, a lampshade is installed, then, the fixing ring is tightened again,a worker needs to limit the table lamp with one hand and replace the lampshade with the other hand during table lamp fixing, the fixing ring is difficult to take manually, in the lampshade installingprocess, the worker installs the lampshade on a lamp holder in a manual mode, and in the fixing ring tightening process, the worker needs to place the fixing ring on the lamp holder to be tightened from the position above the lampshade are solved, and the function of automatically replacing the lampshade of the table lamp can be achieved.

An exchange structure of route supporting uniform exchange is prepared as connecting input port formed by input buffer area and dispatcher to output port through exchange kernel, setting buffer area at each cross point of said kernel, corresponding one input buffer area to one type of stream, sending cell of stream in input buffer area to said kernel by dispatcher and buffer-storing cell of specific stream in buffer area at cross point, enabling to store four cells in each buffer area at cross point, multiplexing cell in buffer area at corresponding cross point to be a stream and outputting it by dispatcher on output port.

The invention relates to the technical field of an ocean monitoring device, and more particularly, to an ocean current testing instrument. The instrument comprises a sensor attitude self-stabilizing mechanism, a floating body frame and an anchor in connection with the floating body frame through a connection rope. The bottom of the sensor attitude self-stabilizing mechanism is fixedly provided with a current speed sensor. The floating body frame comprises a floating body, a first support, a second support and a third support wherein the first support is fixedly arranged on the second support, the third support is fixedly arranged on the floating body and the sensor attitude self-stabilizing mechanism is fixedly arranged on the second support. The second support is fixedly arranged on the floating body. The anchor is fixedly arranged on the third support through the connection rope. According to the invention, the testing instrument has a simple structure, is flexible to operate and is easy to be accepted by relevant units in ocean engineering off shore. And the testing instrument is of highly value for commercial promotions.

A memory circuit includes a bit line; a word line; a first power supply node having a first power supply voltage; a first power supply line connected to the first power supply node; a second power supply node selected from a group consisting of a floating node and a node having a second power supply voltage lower than the first power supply voltage; a second power supply line configured to switch connections between the first and the second power supply nodes; a write-assist-keeper (WAK) device coupling the first and the second power supply lines; and a static random access memory (SRAM) cell connected to the bit line, the word line and the second power supply line. The invention increases read voltage tolerance and write voltage tolerance, improves VCCMIN.

The invention relates to a device and method for measuring friction fuzzing and pilling forms and a pulling-out force of bobbin yarns. The device comprises a cop creel for clamping cops to rotate, a friction mechanism for fuzzing and pilling bobbin yarns, a collecting mechanism for collecting shaving and shearing filoplumes and fuzzy balls, a static raising device for helping filoplumes to stand, a pulling-out mechanism used for measuring the pulling-out force of the filoplumes and fuzzy balls, an imaging system for observing the filoplumes and fuzzy balls of the bobbin yarns, a computer and a data acquiring and controlling system. The method comprises the steps of: measuring the prominence of the filoplumes and the number, the form size and distribution of the fuzzy balls after coaxially jacking and clamping the cops, carrying out friction for fuzzing and pilling and synchronously measuring the prominence of the filoplumes, the number of the fuzzy balls, the abrasion loss and retention of the filoplumes and fuzzy balls, and the pulling-out force of the filoplumes and fuzzy balls of the process and a final friction sample. The device and method are exquisite, practical, accurate and quantitative, and can be used for measuring the fuzzing and pilling forms of the bobbin yarns and comprehensively evaluating the fuzzing and pilling resistance. In situ measurement of multiple functions in one machine and multiple indexes in one-time measurement is adopted in the device and method.