88 results about "Capture effect" patented technology

Skimming modules can be attached at self-service terminals, such as an automated teller machine or account statement printer, by manipulation with fraudulent intent by third parties who attempt to read the data from a magnetic stripe card introduced into the card reader (10). In order to counteract this problem effectively, a protective device (26, 28) is proposed that contains a protective generator (26) and an inductor (28) operatively connected thereto to generate an electromagnetic protective field (29) that is suitable for compromising the function of the spying device (SM), wherein the protective device (26, 28) generates an electromagnetic protective field (29) with a protective signal that simulates the type of signal that occurs when magnetic stripe cards are read. Through the protective field a special protective signal is induced in the potentially present skimming module to imitate the reading of the magnetic stripe card. The skimming card reader reads a pseudo magnetic stripe card, or is at least confused when spying on the genuine magnetic stripe card. In particular, the protective signal can contain pseudo data that are mixed with the actual card data at demodulation or suppress said data completely (capture effect) so that the third party ultimately obtains unusable data.

The invention relates to a method for conducting LOFDM system timing and carrier synchronization by utilizing training sequence. The method comprises the following steps: adding training symbols before data symbols for the detection and the synchronization of initial signals; and completing synchronous signal capture through assessing and compensating carrier deviation and timing deviation of signals in system transmission course, and achieving ideal synchronous capture effect. The invention designs the frame format and the training sequence of the LOFDM system and proposes the time and the frequency synchronous method synchronous capture method of the LOFDM system: initial signal detection, rough timing and synchronization and rough decimal multiple frequency offset estimation, accurate timing and synchronization and integral multiple frequency offset estimation, and accurate decimal multiple frequency offset estimation; and accurate time and frequency offset estimation can be obtained under the conditions of low noise-signal ratio and big frequency offset, and when the noise-signal ratio is higher than 2 dB, 100% signal detection can be realized, so as to realize the ideal effect of synchronous capture.

A soft piece coupling type handyman finger device belongs to the technical field of anthropomorphic robot hands, and comprises a base, a middle finger section, a tail end finger section, a joint close shaft, a joint far-away shaft, a soft piece transmission mechanism, two sets of motors and a reducer. The soft piece coupling type handyman finger device achieves four two-degree-of-freedom capture modes: (1) a double-joint coupling rotating capture mode; (2) a double-joint independent rotating capture mode; (3) a mode of double-joint independent rotating capture after double-joint coupling rotation; and (4) a mode of double-joint coupling rotating capture after double-joint independent rotation. The soft piece coupling type handyman finger device can not only achieve the coupling effect that a single motor drives a plurality of joints to simultaneously rotate achieved by a traditional coupling finger, but also have the decoupling capture effect which does not exist in the traditional coupling finger, achieves by independently rotating a single joint and is easy to control when capturing an object. All motors and reducer are hidden in the base, and the finger rotation portion is small in volume and light in weight.

The present invention discloses a method and apparatus of physical resource allocation as well as a method of data receiving and a receiving end in a wireless communication system. The method of physical resource allocation includes: detecting a pilot signal sent by each user within a designated range; obtaining received power of the pilot signal sent by each user; scheduling each user within the designated range to obtain a user group including at least one user according to the received power; and allocating a same physical resource to each user of the user group. According to the method and the apparatus, it is possible to reuse a physical resource and sequentially decode data packets corresponding to users in a user group occupying the same physical resource according to the Capture Effect and interference cancellation technology, thereby improving the spectrum efficiency and throughput of uplink or downlink greatly.

The invention discloses a control method of a monitoring ball machine. The method comprises the following steps of (1) vertically and horizontally dividing a to-be-monitored space into a plurality of small partitions, and setting a shooting focal distance for each small partition; (2) setting corresponding preset positions for a central point position and an edge point position of each small partition, and storing horizontal position information, vertical position information and shooting focal distance information of the ball machine; (3) reading a video frame, and performing target detection on the video frame; (4) according to direction information of a detected target in a monitoring scene, mapping the target to the corresponding preset position; (5) calling the preset position by the ball machine to acquire a monitored image. The defects that the automation degree of control is not high, the real-time property and the flexibility are not enough, and human manual interference is required in a ball machine of the traditional video monitoring system are overcome; the control method is convenient in operation, high in automation degree of control and good in instantaneity, and is particularly good in capture effect on the monitored image of a quickly moving target.

Improvements are made to a multi-body simulation (MBS) for computing belt dynamics in metal pushing V-Belts for CVTs. All of the improvements combine to more accurately model the forces in the CVT mechanism, and also provide insight into the mechanism performance. One improvement more accurately captures effects of ring bending, using ring and block gap geometry to calculate bending forces and torques. A second improvement is implementation of a thrust controller to adjust pulley thrust to control CVT input/output speed ratio. Pulley thrust is adjusted by means of a feedback loop until a desired speed ratio is obtained. Finally, pulley conical (tilt) deflection is modeled using a stiffness representation that is a function of the block radius on the pulley face.

A LAN of the ethernet type employs CSMA/CD protocol for channel access by a plurality of network nodes. Each node includes a data processing system having a device driver and an adapter and transmits data packets to the LAN in accordance with the IEEE 802.3 standard. The adapter coupled is at one side to the network in either a half or full-duplex mode. The other side of the adapter is bound to the device driver which is dynamically tuned for reduced latency and increased network throughput, regardless of the transmitting mode of the node and the capture effect of the ethernet. Each device driver operates in a transmit chaining mode when the network is in a lightly loaded half-duplex, or full-duplex mode. The driver includes means for monitoring data packet collisions on a channel of the network. A "collision rate" or the percentage of data packets which were transmitted on the channel with collisions in a pre-selected time interval is calculated by the device driver. A "collision threshold" is assigned or calculated by the device driver. Data packets transmitted by each device driver are chained to increase network throughput when the "collision rate" is below the "collision threshold". Transmit chaining of data packets is disabled for the device driver when the "collision threshold" is exceeded on the channel.

The invention discloses a multifunctional graphene/polymer masterbatch. A polymer A is adopted as the matrix, graphene is taken as the additive component, wherein the graphene is subjected to functionalization modification by a polymer B to improve the hydrophobicity of graphene, thus achieving good compatibility with macromolecules, effectively preventing aggregation of graphene layers, realizing uniform dispersion and no agglomeration. According to the invention, the graphene surface is loaded with a transition metal, and the selected transition metal has catalytic carbonization and free radical capture effects, and is conducive to improving the thermal stability and flame retardant properties of the polymer. The method for preparation of the multifunctional graphene/polymer masterbatch provided by the invention has the advantages of simple production process and convenient operation, is suitable for mass production, can effectively change the mechanical properties and flame retardant properties of the graphene/polymer masterbatch by change of the graphene surface loaded transition metal and chemical modification and connection of the macromolecular polymer.

Embodiments of the present invention disclose a microphone audio capture effect adjustment method and apparatus. The method comprises the steps of controlling a microphone configured on a terminal to boot audio capture; adjusting, according to a motion state of the terminal, a volume of an original audio collected by the microphone; and outputting the audio with the volume adjusted. Through adoption of the technical solution, when a user is in a motion state, the volume of the audio collected by the microphone is not affected by swinging of an arm, and is stable and clear, so that the audio collected by the microphone can be output stably.

Aiming at expandability of MAC layer broadcasting in a VANET with quick vehicle density change, the invention discloses a safe range carrier sense random back-off, SR-CSRB. Characteristics of Internet of Vehicles are considered, a physical carrier sense mechanism and an original back-off algorithm are improved, and the SR-CSRB is disclosed with the purpose of increasing beacon information broadcasting reception rate within a jump of neighbor node range. The SR-CSRB changes a traditional physical carrier sense mechanism, and the probabilities of simultaneous information transmission of neighbor nodes are reduced by introducing a concept of collision control; in addition, the broadcasting reception rate of the neighbor nodes is improved by utilizing the capture effect, and the simulation result also shows that the new channel access mechanism has superiority compared with traditional CSMA.

The invention discloses a data transmission method and device and is used for improving transmission efficiency of a wireless network. The method comprises the steps that a sending end sends a data frame to a receiving end; and the sending end judges whether the receiving end receives the data frame or not, if the receiving end does not receive the data frame, the sending end continues to send the data frame to the receiving end according to a preset time interval. Through application of the data transmission method and device provided by the invention, when the sending end sends the data frame to the receiving end, a capture effect can be formed at the receiving end, so the data frame is received by the receiving end successfully. When the sending end sends the data frame to the receiving end, the data frame is sent without carrier monitoring, so time and resources consumed for the carrier monitoring are reduced, and the problem that in the prior art, the transmission efficiency of the wireless network is reduced due to backoff waiting when transmission of other data frames is monitored in a channel is avoided.

The invention discloses a data transmission method based on a capture effect in a wireless sensor network. The data transmission method mainly solves the problem that in the prior art, the throughput capacity is low under the condition that a large number of data burst. The method comprises the steps that 1, a receiver broadcasts a competition beacon group in a wireless channel where the receiver works; 2, after a competitor receives the competition beacon group, a competition group is broadcast; 3, the receiver decodes signals of the competitor through the capture effect and broadcasts a token beacon group, wherein the node allowed to transmit data and transmission time duration are assigned in the token beacon group; 4, after the competitor receives the token beacon group, whether the competitor is a node allowed to transmit data or not is judged, if the competitor is the node, a token is obtained and data are transmitted to the receiver within a distributed time period, and if the competitor is not the node, the token is not obtained and data are not transmitted. Through the token distribution mechanism and the capture effect, the utilization rate of the channel and the throughput capacity for data transmission are improved.

The present invention provides a data capture method and system. The method comprises the following steps of receiving a data range of a user needing to capture; according to the data range, carrying out the data capture by a Baidu search algorithm and a Google search algorithm separately; taking the same results in the Baidu search algorithm and the Google search algorithm as the capture results. The technical scheme provided by the present invention has an advantage of good capture effect.

The invention discloses an adjustable-type foam injection device for preventing cutting dust, which is composed of a quick connecting plug, a foam conveying tube, a control valve, an adjusting ring, a blade and injection orifices, wherein the quick connecting plug and the control valve are sequentially arranged at the front end of the foam conveying tube, the tail end of the foam conveying tube is connected with the adjusting ring, the blade is fixed in the adjusting ring, and a plurality of the injection orifices are formed at the end head of the blade. The flow of foams is adjusted via the control valve, and the injection angle of the foams is changed via the adjusting ring; a part of the foams is injected to the cutting part of mining machinery via the injection orifices under the drive of a pressure to form a conical foam cover for effectively covering and wrapping a cutting dust source, thus preventing the generated dust from escaping outwards while reducing the generation of dust; and the other part of the foams is injected via the injection orifices to rapidly capture the floating dust closed in the foam cover, thus realizing efficient suppression and sedimentation on the cutting part of the mining machinery. The device is good in dust capture effect, simple in structure, convenient to adjust, no moving parts in the interior, high in reliability, and wide in practicability.

The invention relates to the fields of gene engineering and molecular biology and provides a method for capturing a nucleic acid fragment. The method comprises the following steps: A, preparing a capture probe by using biotin labeled amplimers or joint elements with nucleic acid molecules containing a to-be-captured nucleic acid fragment as a raw material; and B, hybridizing the capture probe with a to-be-captured nucleic acid fragment library and capturing the to-be-captured nucleic acid fragment by using a solid phase carrier containing a streptavidin or avidin mark. The method for capturing the nucleic acid fragment in the invention can avoid occurrence of poor capture effects caused by poor homogeneity of the capture probe and enables cost for capturing of nucleic acid fragments to be reduced.

The various embodiments of the present invention disclose an image processing method and system for capturing a refocusable image set. The method comprises of segmenting a field of view into a plurality of grids, determining a sharpness level associated with each of the plurality of grids, identifying one or more regions based on the determined sharpness level of each of the plurality of grids, each region comprising one or more of the plurality of grids and capturing an image associated with each of the identified one or more regions to form the refocusable image set. The method further comprises of detecting a refocusing action on an object, in the field of view, having an associated illumination level and varying the associated illumination level of the object based on the detection.

The invention relates to a synergy slotted ALOHA protocol based on the capture effect, which comprises the following steps: (1) in each time slot, a system might be in an ordinary mode or in a retransmission mode, the initial state of the network is the ordinary mode, and a user who does not transmit a frame overhears frames transmitted by other users; (2) in an ordinary mode time slot, the user who successfully overhears the data frames of the other users transmits a reporting frame to a base station at the end of the time slot; (3) at the end of the ordinary mode time slot, the base station transmits a broadcast frame according to the received data frame and reporting frame, and the network decides whether to switch to the retransmission mode accordingly; (4) after entering the retransmission mode, the user whose buffer area is not null transmits the data framed overheard by the user at certain frequency. Compared with the traditional synergy slotted ALOHA protocol, under the condition of the same average signal noise ratio of a link, the synergy slotted ALOHA protocol based on the capture effect disclosed by the invention improves the throughput rate of system peaks.

The invention relates to a stack mold gripper and belongs to the field of machinery manufacture. The stack mold gripper is characterized in that gripping unit support frames are fixedly connected to a main frame; a transitionally connecting flange is fixedly connected to a high-speed changing device; the main frame is fixedly connected to a gripper connecting plate; cylinders are fixedly connected to the main frame through cylinder supports; front ends of piston push rods of the cylinders are fixedly connected to floating joints; push plates are fixedly connected to the gripping unit support frames; the floating joints are fixedly connected to push plates; sliding rails are fixedly connected to the main frame; buffer units are fixedly connected to the sliding rails; sliding blocks are slidingly connected to the sliding rails; the sliding blocks are fixedly connected to gripping unit support frames; and gripping units are fixedly connected to the gripping unit support frames. The stack mold gripper has a novel and flexible structure, is designed skillfully, produces reliable capture effects, has a short capture period, can be adjusted fast and conveniently, reduces a utilization amount of a stack mold product robot or a mechanical arm, and reduces an equipment cost.

The invention discloses a water curtain scroll spraying room which is characterized in that a conveying track is arranged on the top of a paint-spraying workroom; a conveying fixture is installed on the conveying track in a hanging manner; a to-be-sprayed product is clamped on the conveying fixture; an automatic spray gun for spraying the to-be-sprayed product is arranged on one side of the conveying fixture; a paint mist capture room is abreast arranged on one side of the paint-spraying workroom; a water curtain plate is arranged on the inner side wall of the paint mist capture room; a circulation water tank is arranged below the paint mist capture room; a circulation water pipe is vertically arranged on the inner side of the paint mist capture room; the bottom end of the circulation water pipe is communicated with the circulation water tank; a water spraying hole for spraying water to the water curtain plate is formed in the top end of the circulation water pipe; a serration plate is arranged at the lower end of the water curtain plate; a scroll plate is installed below the serration plate; and a certain clearance is kept between the serration plate and the liquid level of circulation water. The water curtain scroll spraying room disclosed by the invention has the advantage of being relatively good in paint mist capture effect, being simple in structure and high in purification efficiency, and having small possibility of blocking a pipeline.

The invention discloses an all-optical capturing method and device applied to space laser communication, belongs to the field of laser communication, and aims to solve the problem that in the prior art, requirements for optical axis capturing alignment of a laser communication system cannot be met. The device is composed of a terminal A and a terminal B, which have the same structure. Each of the terminal A and the terminal B is composed of a beacon light laser, a beacon light emitting lens, a prism baffle, a prism diaphragm, a rectangular prism, a two-dimensional turntable, a beacon light receiving camera and a beacon light receiving lens. According to the invention, a circular beacon light is adopted to carry out two-dimensional scanning in a space, and space two-dimensional large-range double-end all-optical capture is realized in combination with the rectangular prism with a diaphragm and a baffle; during capturing, final double-end capture is realized in a manner of combining rectangular spiral leapfrogging scanning and pitching linear scanning; and the beacon light does not need to be subjected to heterosexual shaping, integrated optimization with a laser communication beacon light system is facilitated, the size, power consumption and complexity of the system are reduced, and a better capture effect is achieved.

A lamp cap mosquito killer comprises: a lamp cap, an upper cover, an outer protective mesh and a mosquito receiving box that are connected in succession; a circuit board and a support mounted in the upper cover; a lamp tube holder and a high-tension power grid mounted on the support; and an ultraviolet lamp tube; the ultraviolet lamp tube is inserted and fitted in the lamp tube holder from the lower end of the outer protective mesh and is peripherally covered with the high-tension power grid; the high-tension power grid and the lamp tube holder are electrically connected with a circuit board through the support. The lamp cap mosquito killer is more reasonable in structure, better in capturing effect and more convenient to use and maintain.

The invention relates to a simple robot which is designed at the aim of solving the technical problems of similar products, such as inconvenience in goods carrying, and bad design of height regulation and good capturing. Base boards of the robot is provided with traveling wheels and peripheral sensors, wherein the traveling wheels are respectively provided with traveling wheel electric motors; the traveling wheel electric motors and the peripheral sensors are connected with a control box via a line; and the control box comprises a control circuit board and a storage battery; the simple robot is characterized in that a support frame is arranged on the base boards; the two ends of the support frame are respectively hinged to the base boards and the bottom surface of a top board; a manipulator is arranged on the table surface of the top board; a height sensor and a distance sensor are arranged on the manipulator; a supporting board lifting device is arranged on the support frame, and the supporting board lifting device drives the support frame to rise and fall, so as to achieve lifting and lowering. The simple robot has reasonable structural design, facilitates the improvement of the production efficiency, lowers manual labor, is convenient to use, capture and regulate the height, and is good in capture effect; in addition, the simple robot is suitable for goods carrying of workshops and factories and structure improvement of similar products.

The invention belongs to the field of chemical analysis of tobaccos, and particularly relates to a method for measuring a pH value of mainstream full smoke of cigarettes. The technical problem that the pH value of the mainstream smoke of the cigarette cannot be completely collected by adoption of conventional measurement in the prior art is solved. The method comprises the following steps: smoking10 to 60 cigarettes by using a smoking machine under a standard smoking condition, and capturing the mainstream full smoke by adopting an XAD-2 suction pipe and a series cold trap device; taking outa suction agent in the XAD-2 suction pipe, and performing oscillating extraction to obtain an extracting solution; combining sucked liquid in all series suction bottles in the series cold trap device,combining the combined sucked liquid and the extracting solution to obtain a combined solution; measuring the combined solution with a precision pH meter, thereby obtaining the pH value of the mainstream full smoke of the cigarettes. By use of three capturing modes of solid particle suction, solvent capturing and cold trap capturing, the method is better in capturing effect and can reflect the pHvalue of the mainstream full smoke of the cigarettes more accurately.

The invention discloses a particulate filter carrier of a diesel engine. The particulate filter carrier of the diesel engine comprises a filter body (1), the filter body is a cylinder, and honeycomb holes (2) are formed in the filter body. 84-90wt% of cordierite, 3-5wt% of andalusite, 2-5wt% of silicon carbide and 5-6wt% of fiber carbon are mixed in a ball-milling mode, then, adhesive, lubricant and water are added to the mixture, aging is performed after mixing is performed in a ball-milling mode, and the mixture undergoes extrusion forming, surface drying forming and high-pressure firing to form the filter body. The surfaces of the hole walls (3) of the honeycomb holes are coated with an active catalyst layer, end caps (4) are arranged at the two ends of each honeycomb hole respectively in a staggered mode, and the filter carrier is formed after the drying process. The particulate filter carrier of the diesel engine is extra large in size, thus, the specific surface area of the carrier can be greatly promoted, the filter carrier is made to have a good capture effect, comprehensive performance balance between the high porosity and the high compressive strength is achieved, the filtering effect is good, and the exhaust emission of the diesel engine can reach the EURO V standards.