704results about How to "Conducive to lightweight" patented technology

This invention refers to an antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least a short end, an open end and a length substantially close to a quarter wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of said slot and the distance of at least one of them to the short end of the slot is equal or smaller than an eighth of the wavelength. The invention further refers to an antenna structure for a wireless device comprising a ground plane and an antenna element, wherein the ground plane has a slot with at least two short ends, and a length substantially close to half wavelength. The feeding and ground connections of the antenna structure are placed at the two different sides of said slot and the distance of at least one of them to a short end of the slot is equal or smaller than a quarter of the wavelength. Further the invention refers to a corresponding wireless device, a corresponding mobile phone and to a method for integrating such an antenna structure within a wireless device.

A method of RTM molding wherein a reinforcing fiber substrate is placed in a mold, each of a first and a second resin distribution media exhibiting a resin flow resistance lower than the resistance of the reinforcing fiber substrate is placed on each surface of the reinforcing fiber substrate, and the inside of the mold is evacuated and a resin is injected into the mold to thereby impregnate the reinforcing fiber substrate with the resin injected, characterized in that the first resin distribution medium exhibits a resin flow resistance lower than that of the second resin distribution medium, and the evacuation is carried out through the second resin distribution medium while the resin is injected through the first resin distribution medium. The method can be advantageously employed for producing, in particular, FRP structure which is thick and excellent in designability, lightweight property and / or strength.

The invention provides a high-strength hot-dip zinc plated steel sheet which exhibits high TS-El balance, excellent stretch frangeability, excellent workability due to low YR, and excellent impact characteristics, and a process for manufacturing the same. A high-strength hot-dip zinc plated steel sheet excellent in workability and impact characteristics, having a composition which contains by mass C: 0.05 to 0.3%, Si: 0.01 to 2.5%, Mn: 0.5 to 3.5%, P: 0.003 to 0.100%, S: 0.02% or below, Al: 0.010 to 1.5%, and N: 0.007% or below and further contains at least one element selected from among Ti, Nb and V in a total amount of 0.01 to 0.2% with the balance being Fe and unavoidable impurities and a microstructure which comprises, in terms of area fraction, 20 to 87% of ferrite, 3 to 10% (in total) of martensite and retained austenite, and 10 to 60% of tempered martensite and in which the average grain diameter of the second phase consisting of the martensite, retained austenite, and tempered martensite is 3[mu]m or below.

High heat resistant elastic composite laminates, sealants, adhesives, and coatings developed from a resin blend. The resin blend is made up of methyl and optionally phenyl silsequioxane resins selected to produce silanol-silanol condensation silicone polymers formed in a slowly evolving reaction mass containing submicron boron nitride, silica and boron oxide fillers. The required ratio of submicron boron nitride to silica has been discovered for assuring the formation of a high temperature resistant elastic composite blend that will form intermediate flexible ceramic products up to 600 deg C., then continue to form preceramic then dense ceramic products from 600 to 1000 deg C. The thermal yield of the composite is generally greater than 90 wt. % at 1000 deg C. Composite products with different levels of heat transformation can be fabricated within the same product depending upon the thickness of the layers of reinforcement.

The present disclosure relates to fire-resistant systems, methods, and apparatus. In one embodiment, a fire-resistant system includes a fire-resistant panel and a protected material coupled to the fire-resistant panel. The fire-resistant panel includes a passive layer and a back layer. The passive layer comprises a phyllosilicate material. The back layer comprises an inorganic material and may be coupled to the passive layer. Optionally, the fire-resistant panel may include a secondary layer comprising a functional material, where the functional material comprises one of a phase change material or an endothermic material.

This non-contact electric power supply device 6 is used to charge, for example, a battery of an electric vehicle, and electric power is supplied from a primary side, i.e., a primary coil 7 on an electric power supply side to a secondary side, i.e., a secondary coil 8 on an electric reception side based on a mutual induction effect of electromagnetic induction. The primary coil 7 and the secondary coil 8 are flatly and spirally wound in one plane, respectively, (by) making a plurality of parallel conducting wires a set and are twisted at a regular pitch interval along the way. A primary magnetic core 13 and secondary magnetic core 14 on which the primary coil 7 and the secondary coil 8 are disposed are made of ferrite and the like and are formed in a tabular shape. Outer surfaces of the primary coil 7 and the primary magnetic core 13 and outer surfaces of the secondary coil 8 and the secondary magnetic core 14 are covered and secured by molded resin 17, respectively. Foamed materials 18 are mixed in the molded resin 17.

A high-strength hot-dip galvanized steel sheet is provided which has a TS of 590 MPa or higher and is excellent in ductility and stretch flangeability. Also provided is a process for producing the steel sheet. The steel sheet has a composition comprising, in terms of mass%, 0.05-0.3% carbon, 0.01-2.5% silicon, 0.5-3.5% manganese, 0.003-0.100% phosphorus, up to 0.02% sulfur, and 0.010-1.5% aluminum, provided that the sum of the silicon and the aluminum is 0.5-2.5%, with the remainder being iron and incidental impurities. The structure thereof comprises, in terms of areal proportion, at least 20% ferrite phase, up to 10% (including 0%) martensite phase, and 10-60% tempered martensite and has, in terms of volumetric proportion, 3-10% retained austenite phase, the retained austenite having anaverage crystal-grain diameter of 2.0 [mu]m or smaller. The retained austenite preferably has an average concentration of carbon in a solid solution state of 1% or higher.

A lighting controller of a lighting device for a vehicle includes M (M is an integer of one or more) switching regulators for supplying driving currents to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; a temperature detector; and a control circuit. The first to Nth current driving portions include first to Nth current detecting portions connected to the semiconductor light sources and serving to detect the driving currents respectively; and first to Nth switching portions connected to the semiconductor light sources respectively. The first to Nth current driving portions operates the switching portions corresponding to magnitudes of the driving currents detected by the current detecting portions respectively. The temperature detector detects a temperature and sends a temperature detecting signal when the detected temperature is equal to or higher than a pre-specified temperature. The control circuit controls the current driving means in order to decrease the driving currents to be supplied to the semiconductor light sources upon receipt of the temperature detecting signal. The control circuit sets a priority of each of the semiconductor light sources for decreasing the driving current and decreases the driving current in order from the semiconductor light source having a highest priority.

A support post for a guardrail which resists impact by a motor vehicle from one direction (strong direction) and yields to impact by a motor vehicle from another direction (weak direction). The support post is adapted to receive the guardrail such that the rail face of the guardrail runs generally perpendicular to the strong direction such that the support post resists an impact on the rail face of the guardrail and yields to an impact force on the end of the guardrail.

The invention provides an improved facing (1) for a gypsum wallboard (22) that has a single layer (2) of nonwoven substrate (3) having about 40-80% of glass staple fibers (4) and about 50-15% of polymeric fibers (5), and wherein the ratio of the diameters of the glass fibers (4) and the polymeric fibers (5) is between about 1.5-3:1. A hydrophilic binders is disposed in the substrate (3) in the form of a porous film (10) that extents throughout the substrate (3) so as to provide the substrate, having only the binder therein, with a porosity of between about 150-450 cfm / sq. ft. A hydrophobic, polymeric coating (6) is applied to an upper front face (7) of the substrate (3), wherein 90% of the coating (6) lies within a distance from the front face (7) of the substrate (3) that is no more than 50% of the thickness (T) of the substrate (3).

Systems and methods which determine the position of an instrument internal to an object using an opto-mechanical sensor are shown. Embodiments utilize an opto-mechanical sensor system in which a mechanical instrument interface provides instrument movement information to a corresponding optical sensor system to determine instrument movement. Determinations of instrument movement preferably provide information regarding movement direction and speed. Such information, when used in combination with other information such as starting position or starting position offset, insertion angle or angle of attack, and / or insertion plane, is utilized by embodiments of the invention to determine the position of an instrument or portion thereof. Embodiments are adapted to accommodate different instrument configurations. Position information may be utilized in combination with an ultrasound image to display a visual representation of the instrument, or portion thereof, within a object being imaged.

The invention relates to a life detection radar device, in particular to an ultra-wide bandwidth microwave chaos life detection radar device for detecting human body life feature information and distance information. The ultra-wide bandwidth microwave chaos life detection radar device can be used for disaster rescue and comprises a first signal generator, a first power splitter, a frequency mixer, a power amplifier, an ultra-wide bandwidth emitting antenna, an ultra-wide bandwidth receiving antenna, a low noise amplifier, an I / Q demodulator, a second signal generator, a second power splitter, a voltage-controlled phase shifter, an adjustable attenuator, a solid state microwave sensor, a third signal generator, a phase-locked amplifier and a signal collecting and processing module. The life feature information and the position information of trapped persons can be rapidly and accurately detected.

Levitation devices are disclosed for use with beds. In one embodiment, the levitation device is configured to facilitate rotation of a mattress with respect to a box spring. In another embodiment, the levitation device is configured to facilitate making a bed which allows sheets and blankets to be tucked between the mattress and the box spring without the need to lift the mattress. In a third embodiment, the levitation device functions as a hybrid device and can be used for making a bed or rotating a mattress.

A copper alloy material for parts of electronic and electric machinery and tools contains 1.0 to 3.0 mass % of Ni, 0.2 to 0.7 mass % of Si, 0.01 to 0.2 mass % of Mg, 0.05 to 1.5 mass % of Sn, 0.2 to 1.5 mass % of Zn, and less than 0.005 mass % (including 0 mass %) of S, with the balance being Cu and inevitable impurities, wherein the copper alloy material has: (1) a specific crystal grain diameter, and a specific ratio between the longer diameters of a crystal grain on a cross section parallel or perpendicular to a direction of final plastic working; and / or (2) a specific surface roughness after the final plastic working.

The invention discloses a composite material, the formula of the composite material consists of polylactic acid, straw fiber powder, a coupling agent, a heat stabilizer and a processing aid, wherein the polylactic acid is taken as a substrate, and the straw fiber is taken as a reinforcing agent; the modification is carried out on the surface of the straw fiber, thereby improving the compatibility with the substrate; and then the composite material of the polylactic acid and the straw fiber is manufactured by co-blending, melt extrusion, granulation and other processing technologies. The composite material has the advantages of low density and capability of being degraded completely.

A modular automatic spray gun manifold is provided. The manifold includes a plurality of spray gun modules arranged in an array in laterally spaced relation from each other. A junction element is arranged at an upstream end of the manifold. The junction element includes a liquid supply connection and a pressurized air connection. A first support assembly is arranged between the junction element and a first spray gun module in the spray gun module array for supporting the first spray gun module relative to the junction element. The first support assembly includes a plurality of fluid conduits for supplying fluid to the first spray gun module. The fluid conduits in the first support assembly communicate with the liquid supply and pressurized air supply connections of the junction element. A second support assembly is arranged between each adjacent pair of spray gun modules in the array of spray gun modules for supporting the adjacent pair of spray gun modules relative to each other. Each second support assembly includes a plurality of fluid conduits for communicating fluid between the adjacent spray gun modules. One or more retaining elements secure the spray gun modules, support assemblies and junction plate in assembled relation.

The invention discloses a room-temperature adjustable sub-Terahertz wave detector and a preparation method. A graphene field effect transistor with high migration rate and adjustable carrier concentration is taken as a basic structure unit, and the field effect transistor is provided with a group of source and drain electrodes and cleavage grid electrodes of a sub-Terahertz wave coupled antenna. The detector is integrated with log-periodic antennas and corresponding feed electrodes on a sapphire substrate; the detector is provided with a graphene conducting channel transferred in an antenna distance; an aluminum oxide gate dielectric layer is arranged on the graphene conducting channel, and finally the cleavage grid electrodes and the corresponding lead electrodes are integrated on the aluminum oxide gate dielectric layer of the graphene conducting channel, so that adjustable sub-Terahertz wave detection is realized. The detector has the advantages that the detector is an adjustable lightguide-like and photovoltaic-like detector with high speed, wide band and high response; and the integration level, technical maturity and repeatability of the device lay the foundation of large-scale application of Terahertz detectors.

The invention discloses a multiband wireless terminal antenna, mainly solving the problems that the antenna in the prior art can not meet the requirements of people for miniaturization, high accuracy and convenience in use. The multiband wireless terminal antenna comprises a shell, a printed board and a printed board metal floor and also comprises a high-frequency resonance metal strip group, a low-frequency resonance metal strip group, a microstrip feeder and a stop band, wherein the printed board is arranged in the shell; the printed board metal floor is arranged on one surface of the printed board; the high-frequency resonance metal strip group is arranged on the other surface of the printed board; the low-frequency resonance metal strip group corresponds to the high-frequency resonance metal strip group; the microstrip feeder is connected with the end part of the high-frequency resonance metal strip group; the stop band is connected between the high-frequency resonance metal strip group and the microstrip feeder; and a coupling gap is arranged between the high-frequency resonance metal strip group and the low-frequency resonance metal strip group. By the scheme, the multiband wireless terminal antenna has the advantages that the purposes of small volume, high accuracy and convenience in use are achieved and the practical and promotional values are high.

The planar lighting device includes, in addition to light sources, a light exit plane, a pair of light entrance planes formed on a pair of sides of the light exit plane, and a rear plane composed of a pair of inclined planes formed on a side opposite from the light exit plane such that the light guide plate grows thicker with an increasing distance from the light entrance planes toward the center. The light guide plate contains light scattering particles satisfying Npi>Np, where Npi is the particle density in a region of space within a given range of the light guide plate and Np the density in the other region of space. The planar lighting device with minimized brightness unevenness liable to develop near the light entrance planes when the light exit plane has great dimensions.

Disclosed is a super-high strength cold-rolled steel sheet having excellent bending properties and lagging destruction resistance and having a small thickness. Specifically disclosed is a super-high strength cold-rolled steel sheet having excellent bending properties, characterized by containing a soft steel sheet surface layer part that comprises 0.15-0.30% of C, 0.01-1.8% of Si, 1.5-3.0% of Mn, 0.05% or less of P, 0.005% or less of S, 0.005-0.05% of Al, 0.005% or less of N, and the remainder made up by Fe and unavoidable impurities, and meeting the formulae shown below, wherein the soft steel sheet surface layer part contains tempered martensite at a ratio of 90% or more by volume, the structure of the center part of the steel sheet comprises tempered martensite, and the tensile strength of the steel sheet is 1270 MPa or more. Hv(S) / Hv(C) <= 0.8... (1) (wherein Hv(S) represents the hardness of the soft steel sheet surface layer part; and Hv(C) represents the hardness of the steel sheet center part.) 0.10 = t(S) / t = 0.30 ... (2) (wherein t(S) represents the thickness of the soft steel sheet surface layer part; and t represents the thickness of the sheet.

The present invention provides optical glass with a refractive index (nd) and Abbe number (vd) within a desired range, and preferably used for chromatic aberration correction, and a lens preform using the optical glass. The optical glass contains B203 component and component F in the composition converted to oxide. The preform and an optical element are formed by the above optical glass.

An exhaust gas assembly includes an exhaust gas manifold which is connected with an exhaust gas inlet of a manifold and an adjusting member arranged in the manifold. The adjusting member is configured to supply exhaust gas to a low pressure connection and / or a high-pressure connection of the manifold, wherein on the high-pressure side a high-pressure turbine housing is connected to the manifold and on the low pressure side a low pressure turbine housing is connected to the manifold. A connecting channel extends through the manifold and connects a high-pressure exhaust gas outlet) of the high-pressure turbine housing with a low pressure exhaust inlet) of the low pressure turbine housing.

The present invention discloses an optical lens. The optical lens has an optical axis; the optical lens comprises a first lens having negative refractive power, a second lens having positive refractive power, a third lens having positive refractive power, a fourth lens having negative refractive power, a fifth lens having positive refractive power, and a sixth lens having negative refractive power which are distributed sequentially from the object side to the image side of the optical lens; the image side surface of the sixth lens has a point of inflexion; a distance from the point of inflexion to the optical axis is h13; the radius of the sixth lens is H13; and h13 and H13 satisfy a relational expression that |h13 / H13|<=0.55.

The invention relates to a cold-rolled steel and a manufacturing method thereofr. The cold-rolled steel sheet has a structure: which has a prescribed component composition; in which the total area ratio of tempered martensite and bainite with respect to the structure as a whole is 95% to 100%; in which there are not more than 0.8 / mm2 of prescribed inclusion groups that extend and / or are distributed in a series of points in the rolling direction and are configured from at least one inclusion particle with a long axis of at least 0.3 [mu]m; in which there are not more than 3500 / mm2 of carbides of a prescribed size that have Fe as the main component; in which there are at least 0.7 x 107 / mm2 of carbides of 10-50 nm diameter that distribute in the interior of the tempered martensite and / or bainite; and in which the mean particle size of prior [gamma] grains is not more than 18 [mu]m.

Levitation devices are disclosed for use with beds. In one embodiment, the levitation device is configured to facilitate rotation of a mattress with respect to a box spring. In another embodiment, the levitation device is configured to facilitate making a bed which allows sheets and blankets to be tucked between the mattress and the box spring without the need to lift the mattress. In a third embodiment, the levitation device functions as a hybrid device and can be used for making a bed or rotating a mattress.

The embodiment of the invention provides an intelligent robot for solving the problem that in the prior art, the intelligent degree of an intelligent robot needs to be improved. The intelligent robot comprises a head, a body connected with the head, a base connected with the body, an image obtaining device for obtaining image data, a controller for analyzing the image data obtained by the image obtaining device to obtain analysis data, matching the analysis data with at least one preset datum and sending a corresponding movement instruction to a driving device when the analysis data are matched with at least one of the preset data, and the driving device for controlling at least one of the head and the body to rise and fall or rotate according to the movement instruction sent by the controller. By means of the intelligent robot, the intelligence degree of the intelligent robot can be increased, implementation is convenient, and application and popularization are easy.

The invention discloses a heat-resistant instrument cable for ships and a manufacturing process of the heat-resistant instrument cable, and is characterized in that a cable conductor is formed by twisting a plurality of tin-plated copper wires which are drawn by a copper rod and are treated by annealing and tin plating; the conductor is extruded with an insulating layer to form an insulating cable core; a twisted-pair unit is formed by two insulating cable cores; a cable core is formed by twisting a plurality of twisted-pair units; the outer surface of the cable core is provided with a longitudinally-added drainage wire, a shielding layer weaved by the tin-plated copper wires and an extrusion sheath layer in sequence; and the insulating layer and the outer sheath layer are respectively made of fluororesin extruding materials. The heat-resistant instrument cable is suitable to be used as an electric instrument connecting line under the severe high-temperature environments such as near diesel engines and in control chambers, and has the advantages of small structural size, high temperature resistance, water vapor resistance, flame retardance, acid-alkaline chemical agent resistance, fire resistance and excellent electric performance and mechanical performance.

At present, tar generated in most of coal pyrolysis processes has the shortcoming of having high yield of heavy components. Due to the heavy components in the tar, the grade and the value of a tar product are reduced and a series of problems of dust entrainment, pipeline blockage, difficulty in high-temperature air-solid separation, high subsequent treatment cost and the like can be caused in the pyrolysis process due to high viscosity of the heavy components. Pyrolysis tar can be lightened by adopting a process in which the direct catalyzing and conditioning are carried out on high-temperature pyrolysis gas. The tar lightening can be remarkably facilitated by an Al-Mg-Ni-O catalyst provided by the invention. The catalyst comprises the following components by weight percent: 1%-10% of NiO, 10%-20% of MgO and the balance being a gamma-Al2O3 carrier. After the high-temperature pyrolysis coal gas is catalyzed and reformed by the catalyst, the contents of the heavy components in the tar product are reduced and the yields of BTX (benzene toluene xylene) and PCX (phenol cresol xylenol) are greatly increased. Meanwhile, the catalyst has the advantages of low price, good heat stability, carbon deposition resistance and the like.