192results about How to "Practical design" patented technology

The e-Mirrors system promotes a new standard of driving safety views device, which upgrade regular glass mirrors from optical reflective to optoelectronic. The e-Mirrors system overcomes lots problems of conventional mirrors: blind spots, poor rear view, poor object approaching view etc. Variety new design vehicles made in the century 21 need higher standard safety view devices to drive in more & more crowded traffic system since population is growing rapidly. Time to change! Trend to go optoelectronic safety view. The e-Mirrors system integrates ultra night vision multi micro CCD cameras, high definition low distortion Lens, multiple mini LCD panels, New concept design camera mounts, video processor (or switch) all in 1. Each component apply unique design, each view setting has its technique. Using e-Mirrors to fill the absence of central rear mirror in trucks and buses large vehicles, drivers will be stress free. Driving everyday becomes easy, safely and fun! After tested in many vehicles, this e-Mirrors system proofs the most creative and the state of the art safety device since the invention of airbag. Its application will significantly reduce the traffic accidents causing by driver's “did not see it” error every year. Airbags now are legal mandatory devices for motor vehicles. However, airbags deploy to reduce lost of lives only after the collision, not able to reduce traffic accidents. Wish this handy e-mirrors system, cost less than airbags, be the second mandatory device for all vehicles soon!

The present invention relates to a method and structure for controlling plasma uniformity in plasma processing applications. Electron thermal conductivity parallel and perpendicular to magnetic field lines differs by orders of magnitude for low magnetic fields (on the order of 10 gauss). This property allows the directing of heat flux by controlling the magnetic field configuration independent of ions since the effect of modest magnetic fields upon the transport of ions themselves is minimal. Heat is preferentially conducted along magnetic field lines with electron temperatures on the order of 0.1 to 1 eV / cm being sufficient to drive kilowatt-level heat fluxes across areas typical of plasma processing source dimensions.

The invention relates to a supporting mechanism for a deck frame of a folding-up treadmill having a support frame, a base frame and a deck frame. The supporting mechanism includes a supporting rod with one end connected to the base frame and with the other end connected through an extension spring to an extension piece of the front roller is interposed between the base frame and the deck frame. A slide wheel is provided between the supporting rod and the inner side of the deck frame. The slide wheel is cooperative with a supporting piece 38 at bottom end of the deck frame to create a supporting effect.

The invention discloses an aluminum film baffle device and a pulse solid engine applying the same. The aluminum film baffle device takes a flexible aluminum film baffle as a fracture element and is matched with a hollow-carved baffle support in a cross-shaped supporting structure. The aluminum film baffle can bear high pressure and cannot be fractured in the direction where the aluminum film baffle is supported by the baffle support while the flexible aluminum film baffle can be fractured easily in the direction where the aluminum film baffle is not supported by the baffle support. One side of the aluminum baffle, which cannot be fractured, is dead against a first pulse grain so as to prevent the aluminum baffle from being fractured during the burning process of the first pulse grain of the engine. Therefore, a second pulse grain of the engine can be protected. When the second pulse grain is ignited, the aluminum film baffle rapidly is fractured so that gas passes through the aluminum film baffle device. The device provided by the invention has stable and reliable performance and the material of the baffle is easy to get and process. The fragments of the fractured aluminum film baffle can not affect the operation of the engine and the device has no special requirements on a loading device and an igniter.

A system and method for RFID privacy-preserving authentication is disclosed. The method first has a reader sending a request and a first random number to a tag. The tag then generates a second random number. A plurality of hash values are then computed at the tag. Each hash value uses the first random number, the second random number and at least one part of a key of the tag as inputs. The second random number and the computed hash values are then sent to the reader. Lastly, the reader identifies a validity of the tag from the received values. The hash values are all generated in parallel and are independent to each other.

The invention belongs to the technical field of computers, and particularly relates to a distributed file system and an implementation method for balancing storage loads and access loads of metadata based on the system. As the distributed file system is designed, and a novel client-side metadata access method, a storage load balancing method of the metadata between metadata servers, and a metadata access load balancing and high availability method are implemented based on the system, access loads of the metadata servers are relieved, and at the same time, balance of the storage loads and the access loads of the metadata between the metadata servers is guaranteed.

The invention discloses a pull-type cleaning device of a long and straight pipeline inner wall. The pull-type cleaning device comprises a shell and a rotary barrel. The shell is internally provided with a water tank, a storage battery, a linkage rotary pipe, a motor, a water pump, a liquid guiding pipe and a water-proof thin film; the rotary barrel is arranged on the right side of the shell; the periphery of the shell is provided with a retractable supporting rod, a base plate, a supporting spring, a supporting side plate, a travelling roller, a liquid injection pipe and an LED lamp; the rotary barrel is internally provided with a liquid discharging cavity, a liquid discharging pipeline and a spray head, and the periphery of the rotary barrel is provided with a rotary rod, a connecting swing rod, a torsion spring and a brush head; and the left end of the shell is provided with a fixing ring and a pulling rope. According to the pull-type cleaning device of the long and straight pipeline inner wall, adjusting is conducted according to the pipeline size through the retractable supporting rod and the rotatable connecting swing rod; the motor drives the rotary pipe to rotate, so that the rotary barrel, the rotary rod, the connecting swing rod and the brush head are driven to rotate to clean the pipeline inner wall, wherein the rotary rod, the connecting swing rod and the brush head are on the periphery; and meanwhile, through cooperation, a cleaning solution is sprayed out, and cleaning efficiency is improved.

A garment includes a bifurcated body having front and rear sections wherein the front section is provided with a sheath oriented about a genital region and includes a ribbed outer surface. The rear section is provided with a plurality of apertures and is oriented about a buttock region respectively. The ribbed outer surface includes a plurality of protrusions. The apparatus further includes a mechanism for fastening the garment about the user's waist. A condom is positionable about a user's penis wherein a proximal end portion of the condom is engageable about the ribbed outer surface of the sheath, defining a frictional contact area for assisting to maintain the condom positioned about the penis during sexual activities.

The invention relates to an ocean thematic drawing automatic compilation method based on a task flow. The method comprises steps of (1) ocean thematic symbol database preparation which divides ocean thematic symbols into 14 classes; (2) ocean thematic element symbolization which comprises ocean thematic drawing classification, data loading and classification drawing symbolization; and (3) diagram finishing which comprises drawing template design, drawing template and drawing type loading, metadata information filling and diagram outputting. The invention firstly unifies standard preparation of ocean drawings, integrates complex ocean elements which cannot be achieved on the GIS platform on a general GIS platform, changes the present situations that lots of drawing software are simultaneously used and drawing data formats are not uniform, and fills gaps of standard, normal and rapid preparation in the domestic ocean thematic drawing field.

The invention discloses a three-dimensional imaging device for a retina. The device consists of a light source component, an interference arm component, a two-dimensional scanning component, a field lens component, a confocal signal detection component and an interference signal detection component. The three-dimensional imaging device for the retina finishes scanning on the retina of a human eye by using the two-dimensional scanning component, extracts a surface image of the retina by using the confocal signal detection component and depth information of the retina by using the interference signal detection component, and jointly finishes the reconstruction of a three-dimension image of the retina through a confocal signal and an interference signal; the system is compact by adopting the design of optical fiber access and an optical fiber coupler; the influence of curvature of field and aberration in the imaging process is reduced through the design of a field lens so as to acquire a large-field-of-view three-dimensional image of the retina of the human eye; and the three-dimensional imaging device for the retina which is compactly designed and is high in imaging resolution and large in imaging field of view is realized, so that the imaging effect of the traditional fundus imaging instrument is greatly improved.

The invention provides a high temperature high pressure acoustic emission electrochemistry simulation experiment apparatus capable of loading stress. The apparatus comprises: a pressure kettle, wherein the pressure kettle is provided with an inner cavity, and a specimen is arranged inside the inner cavity; stretching test systems installed on both ends of the specimen, wherein the tension test system stretches the specimen, tests and obtains tension and a strain signal of the specimen; a solution circulation inflation system connected with the inner cavity of the pressure kettle and provided for providing a solution required by an experiment for the pressure kettle; acoustic emission probes arranged on both ends of the specimen and provided for testing an acoustic signal of the specimen; an electrochemistry test system connected with the specimen and the pressure kettle, and provided for applying polarization current on the specimen to carry out polarization, testing and obtaining an electrochemistry signal; and a data collector for collecting the simultaneously measured strain signal, the electrochemistry signal and the acoustic emission signal. With the present invention, controllable pressurizing, controllable heating and controllable inflation can be performed, and an actual working condition of the on-site material is well simulated.

The invention discloses a roof steel structure for a cement production line clinker warehouse and a construction method thereof. The warehouse is a reinforced concrete circular silo of which the diameter is 40 meters, and comprises a roof steel structure, an H-shaped welded steel part annular beam, an equipment steel platform and a warehouse top house, wherein the roof steel structure consists of18 sloping beams, an inclined support, a horizontal support, a Z-shaped steel purlin and a brace; a circular steel plate is paved on the H-shaped welded steel part annular beam; the equipment steel platform consists of a bracket, a rectangular main beam and a planar steel plate; and the warehouse top house consists of steel upright posts and roof beams, wherein the lower port of each sloping beamis connected with a pre-embedded connecting piece on the top of a silo wall in a bolting and welding way; the upper port of each sloping beam is welded with the annular beam; and roof colored steel plates are paved on all roofs. The problems of large roof load and easiness in damaging are solved; and the problems of overhead central point positioning of the annular beam and overhead axial positioning of each sloping beam are solved. The roof steel structure for the cement production line clinker warehouse has a reasonable and practical structural design; and a method for hoisting members witha QTZ63 tower crane and a 50t crawler crane is adopted during construction, so that the roof steel structure is more suitable for building a cement production line clinker warehouse roof in remote places or places without sufficient building equipment.

A charge transfer transistor includes: a first diffusion region and a second diffusion region; a gate for controlling a charge transfer from the first diffusion region to the second diffusion region by a control signal; and a potential well incorporated under the gate, wherein the first diffusion region is a pinned photodiode. A pixel of an image sensor includes: a photodiode for generating and collecting a photo generated charge; a floating diffusion region for serving as a photo generated charge sensing node; a transfer gate for controlling a charge transfer from the photodiode to the floating diffusion region by a control signal; and a potential well incorporated under the transfer gate.

The invention discloses a medical pension data safe exchange proxy device and a construction method thereof. The medical pension data safe exchange proxy device of a third party is constructed between a medical data system and a pension data system, and the device is formed by three parts of a data exchange proxy device, an authentication proxy device and a safe data transmission module. A half-duplex service mode is used for two-way exchange of the data, and storage of non-authorized data is effectively isolated; a data exchange isolation belt in a medical pension heterogeneous system is formed by a data exchange proxy server end, a mapping relation is formed against different classified access rights of the heterogeneous system, and the flexibility of data exchange and interconnection of the medical pension data island system are enhanced; in each step of the process flow, technological means of encryption, authentication and classified authorization is comprehensively used. According to the medical pension data safe exchange proxy device and the construction method thereof, the heterogeneous medical and pension data systems are safely integrated, and positive meaning is provided for medical pension service application extension based on the wide area network.

The electronic apparatus comprises: a circuit board, a chip, a group element, a conducting element and a cooling element. The chip is set on the circuit board; the cooling element is set on the chip; the ground element is set adjacent to the cooling element; the conducting element is electrically connected to the cooling element and the ground element. Base on the setting of the conducting element, the problem of electromagnet interference caused by cooling element can be solved.

The invention discloses a trajectory tracking control method and system based on longitudinal and transverse coordination. The trajectory tracking control method comprises the steps of information perception, trajectory planning, control layer modeling and driving execution. According to information perception, traffic environment information and vehicle state information of the intelligent vehicle are collected in real time; according to path planning, an expected path is planned according to information perception data; according to control layer modeling, a longitudinal and transverse coordination strategy is established according to a preview principle, an expected longitudinal and transverse control instruction is processed and the expected longitudinal and transverse control instruction is converted into an executable control instruction physical value; and according to driving execution, an execution mechanism of the vehicle is executed according to the physical value of the control instruction to realize the overall control of the vehicle. According to the method, a simple two-wheel dynamic model and kinematics are adopted for modeling the unmanned vehicle, feedback and feedforward steering control is designed through a backstepping method principle according to road information and vehicle motion characteristics, and compared with traditional PID control and nonlinearmodel prediction control, the accuracy and the real-time performance are improved.

The invention is applicable to the field of air cold medium pre-heating and particularly relates to a self-supporting wide gap heat exchanging element. The self-supporting wide gap heat exchanging element comprises a plurality of plate pairs which are overlapped layer by layer; each plat pair comprises upper and lower plate sheets which are arranged oppositely; a plurality of rows of convex ripples and concave ripples are distributed on the upper surfaces of the plate sheets along the same axis direction; the convex ripples and concave ripples are obtained by upwards and downwards pressing and molding the plate sheets; the convex ripples and concave ripples are distributed at intervals; the positions of the convex ripples and concave ripples on the upper plate sheets in the plate pairs correspond to the positions of the convex ripples and concave ripples on the lower plate sheets in the plate pairs; one group of opposite edges of the plate sheets are upwards folded and are transited into planes; the other group of opposite edges of the plate sheets are downwards folded and are transited into planes; the two adjacent folding edges in each plate pair are welded to form an air channel; the two adjacent plate pairs are symmetrical up and down, and the adjacent folding edges between the two adjacent plate pairs are welded to form a flue gas channel. The self-supporting wide gap heat exchanging element has the advantages that a wide gap channel can be combined, dirt and dust are not easy to deposit, the resistance fall also can be reduced and the heat exchanging efficiency is sufficiently improved.

The disclosed management method for file in FLASH comprises: building index as the first attribute of FLASH file, operating the file by user as the index. This invention overcomes the defect in prior art, eliminates potential threat, and has well stability and generality.

The invention provides an improved kitchen juicer blender, which includes a device body, a stirring cup, a cooking cup, a dry grinding cup, a shredding and slicing knife, and a meat grinder cup. An electric motor is fixedly connected to the inside of the device body. The lower side of the device body is fixedly connected with a triangular plug, the upper part of the conditioning cup is movably connected with a conditioning cup cover, the lower part of the conditioning cup is closely connected with a conditioning knife seat, and the upper part of the dry grinding cup is movably connected with a dry grinding cup. A cup cover, the bottom of the dry grinding cup is tightly connected with a dry sharpening seat, the top of the stirring cup and the upper part of the stirring cup cover are tightly connected with a measuring cup, the inside of the device body is fixedly connected with a motor, the The lower part of the motor is closely connected with a motor cover, and the upper part of the motor is movable with a motor heat insulation ring. The device is easy and fast to operate, novel in design, safe and practical, and is suitable for popularization and use in various families, restaurants and hotels.

A method of predicting a displacement range of a wire harness, includes the steps of: designing a basic route of the wire harness; fixing the wire harness at least two different fixing points on the basic route; computing a displacement range of the wire harness between the fixing points, based on a length of the basic route between the fixing points including a dimensional tolerance, fixing positions and fixing directions of the wire harness at the fixing points, and a minimum bending radius of the wire harness; and displaying the displacement range of the wire harness in three dimensions.

A differential pulse detecting apparatus for terahertz wave time domain information and a differential pulse detecting method are provided. The apparatus includes a femtosecond laser generating unit with a certain repetition frequency, a beam splitting unit, a terahertz pulse generating unit, a unit containing a sample to be detected, a terahertz pulse collecting unit, a detecting laser pulse focusing unit, a detecting unit, a spatial light modulation unit and a terahertz pulse reduction unit. As the spatial light modulation unit can regulate the spatial optical path difference between a terahertz pulse and a detecting laser pulse, the difference between the terahertz pulse and the detecting laser pulse simultaneously reaching the detecting unit is an integral multiple of an adjacent pulse interval, and therefore the method can regulate the optical path difference in real time according to the size of a detected object under a condition that a whole optical path system is determined, a design of the overall system is not limited to the size of the detected object, and limitation of traditional terahertz time-domain spectroscopy systems on the size of the detected object is got rid of.

This invention relates to a deaf-mute cell phone including: a deaf-mute inputs content of phone into an EMS memory of the cell phone by the keyboard and writing column of short messages in the screen to press the sending key, and the memory sends the phone content to a deaf-mute to receive it in the way of short message in one way, and the other is to convert it to audio signal by a short message audio converter to be coded and transmitted to be received by the deaf-mute cell phone and ordinary man, when a deaf-mute receives the phone and the cell phone receives CSM or CDMA codes, it converts the phone to a digital circuit by a decode circuit then to convert it to word display by the digital circuit.

The invention discloses a multi-earphone volume control circuit and a control method. The multi-earphone volume control circuit comprises a coder-decoder for performing digital-to-analogue conversion on audio signals, and a single chip; the audio output end of the coder-decoder is simultaneously connected with the audio input ends of a plurality of earphone amplifiers, respectively; the audio output end of each earphone amplifier is correspondingly connected with an earphone; the single chip comprises a plurality of volume regulating command output ends which are correspondingly connected with the volume regulating command input ends of the earphone amplifiers one to one; one volume regulating command output end of the single chip is connected with the control signal input end of the coder-decoder. The multi-earphone volume control circuit and the control method have the advantages that the plurality of earphone amplifier are correspondingly connected with the corresponding earphones, respectively, and used for processing the audio signals of the earphone connected with the earphone amplifiers, and therefore, the volume of each earphone is controlled separately, individual difference can be eliminated and the design is more practical.

Based on the path search method of a complex network quotient space model, the invention is characterized in that equivalence relation is used for gradually classifying the coarsening of a network, so as to form a hierarchical quotient space chain, and obtain the quotient space model of the hierarchical number of each node. Then, the hierarchical numbers of the starting node and the end node to be searched for can be found in the quotient space model; according to the quotient spaces from fine to coarse in the corresponding hierarchical quotient space chain, comparison is made from the last number, the communication path between two nodes begins to be searched for from the coarsest quotient space, and then fine quotient spaces are searched for in the relatively coarse quotient spaces, until the finest quotient space. According to the hierarchical numbers of any two nodes, the distribution of 'the optimal path' between the two nodes can be found visually; further 'the optimal path' between any two nodes in the network can be found according to the hierarchical quotient space chain; then based on the model, the communication path between two nodes begins to be searched for from the coarsest quotient space to the finest quotient space after gradual refinement, until 'the optimal path' is found.

The invention provides an integrated measurement and control system based on a modular multifunctional platform. The system includes a man-machine monitoring unit and a data collection unit, wherein the man-machine monitoring unit is a core unit of the integrated measurement and control system based on the modular multi-functional platform, the unit itself can realize simultaneous sampling, data processing, monitoring alarm, fault recording, power analysis, protection control and opening and closing, the man-machine monitoring unit can be used for receiving data collected by the data collection unit through a fiber and performing corresponding data processing, and the data collection unit is an extension unit of the system, can realize high-speed synchronous collection of current quantityand voltage quantity and can upload the data to the man-machine monitoring unit through the fiber. The system is advantaged in that the system can comprehensively monitor, manage and solve problems oflocal intelligent reconstruction and safe and stable operation of conventional substations.

The invention provides a high-power high-speed rotating rectifier assembly. The high-power high-speed rotating rectifier assembly comprises a flat plate type rectifier and further comprises a structural frame, a cross-over block, a lower copper bar, an upper copper bar, a leveling cushion block, a disk spring, an inverted T-shaped guide post, a ball head bolt, an anode aluminum block and a cathode screw. The structural frame is formed by connecting a plurality of conductive screws with conductive screw holes in an upper pressing plate and a lower pressing plate, and the appearance of the structural frame is similar to a cylinder. The lower copper bar and the cross-over block are respectively and wholly of a T shape, and the lower portion of the cross-over block is fixed to a trapezoid through hole in the center of the lower pressing plate in an interference fit mode. A traditional bolt type rectifier is abandoned, a flat plate type rectifier tube is boldly adopted as a core device, a press-fitting structure is ingeniously designed according to the structural features of the device, it is guaranteed that the flat plate type device can still normally work on high-speed rotating occasions, and therefore the problem of application of the flat plate type rectifier to the high-speed rotating occasions is solved.

The invention relates to a pulley guide loading device, in particular to a pulley guide loading device for testing an airplane structure. The pulley guide loading device comprises anchor bolts, a first actuating cylinder mounting seat, fixing bolts, an actuating cylinder, a sensor, double connecting lugs, connecting bolts, a steel wire rope, a guide pulley seat, a pulley, pressing beams, gaskets, a turn buckle, double fixing lugs and a second actuating cylinder mounting seat. According to the pulley guide loading device, the perpendicular loading of a near-surface downward loading point of a test piece is converted into horizontal ground loading, so that the problem that the actuating cylinder cannot be perpendicularly arranged or a reserved stroke of a piston rod of the actuating cylinder is insufficient after the actuating cylinder is perpendicularly arranged, and a perpendicular test load cannot be applied due to the fact that the near-surface download loading point of the test piece is close to the ground in a test in the airplane structure is solved.