912results about How to "Compact" patented technology

An actuator device for optical deflector includes a base for mounting an optical deflector deflecting a light beam from a light source, at least one piezoelectric actuator translating and vibrating said base; and a supporting body supporting said piezoelectric actuator.

On the top surface of conductive ground plate, first holder having first antenna element, second holder having second antenna element, and support having parasitic antenna element are provided such that holders and support confront each other. Respective intermediate sections of antenna elements are folded to shape like “square C” in plural times, so that antenna is formed. The foregoing construction allows low-profiling and downsizing antennas to be used in mobile radio devices.

The invention provides a video abstract generation and video backtracking method and system. According to the method, moving objects in an original video are separated, the separated moving objects are identified and classified, and a highly concentrated video abstract file with compact content is generated with a scalable image fusion technology and a multi-mode information fusion method. During video backtracking, firstly, the number and types of the objects appearing in a video image are elastically controlled according to the number of the objects appearing in the image selected by a user as well as an object which the user is interested in. When the user clicks one object in the image, the system can quickly backtrack the original video on a server and present the whole appearing process of the object to the user.

The invention discloses a six-degree-of-freedom humanoid robot arm, and relates to a robot arm. The invention aims to solve the problems that the existing robot arm is cumbersome in joint structure, heavy in self weight, low in load bearing ratio and complicated to control. A shoulder rotating joint, a shoulder joint, an upper arm, an elbow rotating joint, a elbow swing joint, a fore arm, a wrist rotating joint, a wrist swing and a hand are sequentially arranged from top to bottom, wherein an arm swing motor is connected with a worm by virtue of a conveyor belt, an arm rotating motor is connected with a shoulder swing support by virtue of a conveyor belt, an upper arm shell is arranged between a shoulder joint and an elbow joint, an elbow rotating drive motor and a speed reducer are sequentially arranged in the upper arm shell from top to bottom, an elbow swing joint motor is arranged in an elbow joint shell and is connected with an elbow joint conveyor belt, an elbow joint speed reducer is arranged in the elbow joint shell, a hand connecting support is arranged between the fore arm and the hand, a wrist joint swing motor is arranged on one side of the hand connecting support, and a wrist joint rotating motor is arranged at the upper end of the hand connecting support. The six-degree-of-freedom humanoid robot arm is applied to a humanoid robot.

The specification describes SDIO devices and SDIO cards wherein the SDIO devices are provided with enhanced functionality, and the SDIO cards are provided with enhanced IC capacity. A variety of multi-chip-module (MCM) approaches are used to increase the IC capacity of the SDIO card.

The present invention generally concerns the use of Bragg optical fibers in chirped pulse amplification systems for the production of high-pulse-energy ultrashort optical pulses. A gas-core Bragg optical fiber waveguide can be advantageously used in such systems to stretch the duration of pulses so that they can be amplified, and/or Bragg fibers can be used to compress optical signals into much shorter duration pulses after they have been amplified. Bragg fibers can also function as near-zero-dispersion delay lines in amplifier sections.

An Optical Tapped Delay Line (OTDL), which resolves multiple wavelength signals having extremely narrow wavelength spacing, is combined with other known optical devices to provide a wide variety of optical signal processing applications, including: multiplexing and de-multiplexing a multi-channel signal; adding a signal to, or dropping a signal from, a multi-channel optical signal; specialized coding processing such as generating code division multiple access signals; wavelength locking (stabilizing) a signal; filtering a signal; and analyzing and monitoring a signal spectrum. The OTDL spatially separates individual channels to allow separate processing on each channel. Fixed and tunable embodiments are identified in appropriate cases. Bulk, hybrid, and integrated optical embodiment and methods of fabrication are described, as are curved self-focusing and evanescent embodiments of OTDL devices. The devices and processes disclosed have particular application to dense wavelength division multiplexing (DWDM) and permit a significant improvement in the quantity of information that can be carried on DWDM signals while enhancing signal quality.

The invention discloses a method and device for cleaning space debris. According to the method, electromagnetic force is applied to the space debris running on an original orbit; the speed and/or direction of the space debris are/is changed under the action of the electromagnetic force; the space debris of which the speed is changed is changed to run on a new orbit under the action of gravity; at least the height of the perigee of the space debris on the new orbit is smaller than the height of the perigee of the space debris on the original orbit; the space debris running on the new orbit finally falls into the atmosphere of the earth under the action of atmosphere resistance. The device comprises a satellite bearing platform which is provided with an electric field device cleaning the space debris or a magnetic field device cleaning the space debris or a combination of the electric field device and the magnetic field device. The method and device for cleaning the space debris do not have high requirements for the accuracy of position detection of the space debris, micro space debris can be effectively cleaned, solar energy can be fully utilized for power generation, and self-carried energy is saved. The device for cleaning the space debris has the advantages of being simple in structure, low in manufacturing cost, and better in pulse action effect.

The invention provides a method for treating organic waste gas by combining photocatalysis and microorganisms. Simultaneously, the invention also discloses a device of the method for treating the organic waste gas by combining the photocatalysis and the microorganisms and application thereof. The method for treating the organic waste gas by combining the photocatalysis and the microorganisms comprises the steps of physical dust removal, photocatalyst catalytic oxidation, microorganism purification, and the like, and can effectively eliminate total suspended particulate matters in the organic waste gas and volatile organic compounds in waste gas. The device of the method for treating the organic waste gas by combining the photocatalysis and the microorganisms is applied to treating industrial organic waste gas, and is particularly applicable to treating the organic waste gas in various industrial organic waste gas emission workshops.

The invention provides a ferronickel slag ultrahigh-strength concrete and a preparation method thereof. Every cubic meter of ferronickel slag ultrahigh-strength concrete contains 550-700kg of cementing material, 900-1000kg of coarse aggregate, 800-900kg of fine aggregate, 8-20kg of polycarboxylic-acid high efficiency water reducing agent and 160-170kg of water. The cementing material is composed of the following components in percentage by mass: 50-60% of P.O 52.5 Portland cement, 15-20% of ore powder, 5% of silica fume and 20-30% of ferronickel slag micropowder. The ferronickel slag is used as crude aggregate, fine aggregate and a mineral admixture respectively instead of natural gravel, sand and part of cement. Besides, the ferronickel slag has favorable water-reducing actions, can greatly improve the placeability of concrete, and obviously increases the slump constant. The 25-day compression strength of the ferronickel slag ultrahigh-strength concrete can reach 110 MPa or above, which is much higher than the non-ferronickel-slag concrete.

A continuous zoom lens arrangement can image MWIR and LWIR spectral bands to a common image plane. Such an exemplary optical system comprises eight infrared imaging lenses that all transmit over the wavelengths 3.5-11.0 microns and form a collocated image plane for the MWIR and LWIR spectral bands. The lens has six stationary lenses, and two lenses that move in arm axial fashion. A cold stop inside the dewar can act as the aperture stop of the system and control the stray light from reaching the FPA. The pupil is reimaged from the cold stop to near the first lens of the system to minimize the size of the lens. The optic is designed to operate at an f/number of 3.0 and provides a focal length range from 38 mm to 130 mm for a 640×480 element focal plane array with 20 micron square pixels. This has an equivalent image plane diameter of 16 mm. Such an optical system can work with a cold shield height of about 29.46 mm. The range in focal length result in an overall zoom change of 3.42×.

A laser device (100), configured for generating laser pulses, has a laser resonator (10) with a gain disk medium (11) and a Kerr medium (12). The laser resonator (10) includes a first mode shaping section (13) which is adapted for shaping a circulating electric field coupled into the gain disk medium (11), and a second mode shaping section (14), which is adapted for shaping the circulating electric field coupled into the Kerr medium (12) independently of the electric field shaping in the first mode shaping section (13). Furthermore, a method of generating laser pulses (1) using a laser resonator (10) with a gain disk medium (11) and a Kerr medium (12) is described.

The invention discloses an aluminum plate-fin type heat exchanger and a vacuum braze welding process method thereof, which comprises a structure of the aluminum plate-fin type heat exchanger and the vacuum braze welding process method. The invention uses a dislocated rectangular fin to substitute for a triangular fin structure in a high-temperature fluid medium passage. The invention adopts technical scheme as follows: controlling technological parameters of ambient air humidity, clamping pressure, brazing filler thickness, heating-up temperature, vacuum degree, time and the like, thus overcoming problems and shortcomings of large body, non-compactness and bad defects of bending lodging fin, intermittent brazing seam, faulty solder, corrosion and leakage existing in vacuum braze welding in the prior art. Due to the aluminum plate-fin type heat exchanger and the vacuum braze welding process method thereof, by improving product structure and manufacturing process, the aluminum plate-fin type heat exchanger features in compact structure and small body, and the purpose of reducing bad defects, improving welding quality and heat exchange efficiency are achieved.

The invention provides a multiple effective reflux falling film evaporation system used for recycling organic solvent. The invention is mainly used for recycling the solvent in water solution of the organic solvent during the concentration production process of plant extractions in food industry and biopharmaceutical industry. The invention adopts falling film evaporators with high heat transmission coefficient and small terminal temperature difference to form the multiple effective evaporation system. Each evaporator is provided with a solution circulating pump which increases down-flow quantity in a heat transfer tube and avoids dry wall of a heat transfer surface and enhances heat transferring, thus having great evaporation ability and high efficiency. The condensate of each evaporator enters into a corresponding condensate tank respectively and is discharged by the pump and recycled. A gas-phase communicating pipe is arranged between the condensate tank and a gas-liquid separator, which guarantees the discharge of noncondensable gas under vacuum operation condition, thus being beneficial for improving condensing and heat transferring efficiency. The invention is a new technique, new technology and new device used in concentration process of the extractions of the organic solvent and used for recycling solvent, which has high recycling rate, little energy consumption and convenient operation and can use a vacuum low temperature evaporation concentration production device in continuous and intermittent production operation.

The invention discloses a hydraulically-driven wearable human body assisting walking robot. The assistive walking robot comprises a mechanical skeleton system, wherein the mechanical skeleton system comprises a left lower limb module used for walking, a right lower limb module used for walking, a waistband, a back frame and a hydraulic driving system; the hydraulic driving system comprises a hydraulic integrated control unit, an oil tank, a storage battery, a motor, a hydraulic pump and assisting oil cylinders, the storage battery is connected with the motor, the motor is connected with the hydraulic pump connected with the oil tank, the storage battery supplies power to the motor, the motor drives the hydraulic pump to operate, the hydraulic pump pumps oil from the oil tank and conveys the high-pressure oil into the hydraulic integrated control unit, the hydraulic integrated control unit controls the high-pressure oil to flow to all the assisting oil cylinders, and the assisting oil cylinders drive the left lower limb module and the right lower limb module to move. The hydraulically-driven wearable human body assisting walking robot is simple and compact in structure, low in cost, easy to assemble and maintain and suitable for mass production and application. After people wear the device, the fatigue feeling caused by large loads of the human body can be effectively relieved, and the hydraulically-driven wearable human body assisting walking robot can be widely applied to industrial production, provision for the aged, assistance to the disabled, disaster assistance, load bearing assistance and the like.

The invention discloses a forced convection power battery heat radiation device. A battery pack box which is opened upwards comprises a plurality of columnar batteries which are arranged at intervals; at least one heat diffusion plate is arranged between the tops and bottoms of the batteries inside the battery pack box; the batteries are tightly sleeved by the heat diffusion plates through sleeves; the space below the heat diffusion plates inside the battery pack box is filled with a heat absorption and conduction material layer; an air inlet and a vent hole are respectively formed in two opposite side walls above the heat diffusion plates of the battery pack box correspondingly; fans are arranged at the air inlet and/or the vent hole; or gaps are formed between the heat diffusion plates and the side walls of the battery pack box; an air inlet and a vent hole are respectively formed in two opposite side walls of the battery pack box; fans are arranged on the air inlet and/or the vent hole; no through holes are/are not formed in the heat diffusion plates. The forced convection power battery heat radiation device can be applied to active air cooling heat exchange and passive heat radiation of a filled phase-change material as well, and is good in heat radiation effect, relatively uniform in temperature distribution, compact in appearance, simple in structure and applicable to power battery systems.

The invention discloses a motor capable of realizing a stator closed and rotor open ventilation mode by adopting axial-flow ventilation. An adopted shaft is provided with an external circumferential spiral groove, and the spiral groove matches with axial-flow fans with two clingy ends and the same spiral directions to form an axial-flow combined ventilation apparatus; the apparatus is arranged in a rotor and at two ends of the rotor, and the extra axial space of the motor is not occupied, so that the motor is compact in structure; due to different steering directions, airflow directions are also different but the motor can be cooled; in combination with labyrinth seal, a combined cooling mode of stator closed ventilation cooling and rotor open ventilation cooling of the motor is realized, and the combined cooling mode enables the insulation reliability of a stator and the heat dissipation capability of a rotor to be both ensured and improves the motor efficiency; a stator cooling air duct consists of vent holes (2x), a stator air duct (2h) and an air duct section (6h); a rotor cooling air duct consists of vent holes (5y), gaps (9b), a spiral groove (4b) and gaps (10b); the two cooling air ducts are connected in series; and the spiral combined apparatus provides air pressures for the cooling air ducts.

The invention provides low-temperature sintered lead-free microwave dielectric ceramic and a preparation method thereof. By adopting the method, continuous adjustable dielectric constant is realized by regulating the Mg/Ca ratio of [Cax, Mg(1-x)]TiO3 powder which serves as a base material; low-temperature sintering of the ceramic material at 800-900 DEG C is realized by adding CaO-Al2O3-B2O3-SiO2 microcrystalline glass. The method comprises the following steps: firstly, synthesizing [Cax, Mg(1-x)]TiO3 ceramic powder, and synthesizing CaO-Al2O3-B2O3-SiO2 microcrystalline glass; then, performing ball-milling, dosing, tape-casting, molding and batching out, sintering and annealing to obtain a low-consumption multi-layer ceramic dielectric material with excellent performance. According to the method, the microcrystalline glass/ceramic green-compact is molded by adopting thick film tape-casting, and multiple layers of the green compact are laminated and subjected to low-temperature sintering to prepare a ceramic substrate, so that the dielectric loss can be reduced, the dielectric constant is adjustable in a range of 9-35, tan delta is less than 0.0002 under 10MHz, and tan delta is less than 0.0015 under 1-10GHz; low-temperature sintering is realized, and industrial production can be realized by combining with an Ag-Pd electrode.

The invention relates to an up-flow type reactor, which comprises a lower section catalysis reaction zone and an upper section gas-liquid separation zone, wherein 1, 2 or multiple catalyst bed layers are arranged at the lower section catalysis reaction zone, a liquid collection chamber is arranged at the upper section gas-liquid separation zone; the catalyst bed layer can be a stationary bed, a micro-expansion bed and/or an online replacing bed; in the material flowing direction in the reactor, the lower section catalysis reaction zone and the upper section gas-liquid separation zone are in series connection. According to the invention, the functions of the up-flow type reactor and the reactant gas-liquid separator are combined, the structure of the separator is simplified and the separation efficiency is improved; the structure is particularly suitable for a pre-hydrogenation reactor during low and medium temperature coal tar deep hydrogenation modification process; the liquid exhausted from the liquid collection chamber of the separator can be used as circulating oil to return to an upstream process; the rest liquid and/or gas enter/enters a deep hydrogenation modification reactor as a pre-hydrogenation reactant; or the liquid exhausted from the liquid collection chamber of the separator and the gas exhausted from the gas phase space of the separator are subjected to post treatment respectively.

A process for manufacturing a semiconductor device, the process comprising the steps of: covering an electrode terminal forming surface of a semiconductor wafer, on which a plurality of semiconductor elements are formed and arranged, with a cover layer comprising a flexible insulating film on which re-wiring patterns are formed, to adhere the cover layer to the electrode terminal forming surface, in such a manner that electrode terminals of the semiconductor elements are electrically connected with connecting terminals of the re-wiring patterns; forming the semiconductor wafer with grooves from the surface opposite to the electrode terminal forming surface thereof, so that the grooves extend along boundary lines of the semiconductor elements; dividing the semiconductor wafer with the cover layer to obtain a plurality of units, each unit comprising a plurality of the semiconductor elements and a sub-divided cover layer to define a single semiconductor device; and folding the cover layer of the respective divided unit along the grooves, so that at least some of the semiconductor elements in the respective unit are stacked.

An HMD device including an image-generating unit for generating a polychromatic image and deflection optics having first and second partial optics. The deflection optics project the image such tat it is perceivable by a user wearing the HMD device. The two partial optics each contain a diffractive optical unit for beam deflection, which are designed such that their dispersion errors compensate each other.

The invention discloses a pressure test device for pipe fittings. The device comprises a pressure test cylinder and sealing plugs fitting the pressure test cylinder. One end or both ends of the pressure test cylinder are open. An inflow pipe and an overflow pipe whereby the inside and outside of the pressure test cylinder are communicated are arranged on the inner wall of the pressure test cylinder. The plug comprises sealing structures with a seal ring, and a connecting disc. The sealing structures enclose the pressure test cylinder. The outer wall of the pressure test cylinder is provided with clamping projections or steps fitting the sealing structures. The connecting disc is connected with the sealing structures. The pressure test device for pipe fittings has the advantages that materials are saved, pressure test is efficient, welding the plugs at two ends of a pipe fitting is not required, the two sealing plugs are connected through a middle connecting pipe, and the pressure test device for pipe fittings is structurally ingenious, simple and handy.

To provide a small blowing device of high reliability, simple in constitution and capable of switching to air supply and exhaust. The blowing device 20 is provided with a blower section 50 and an air course switching device 40 for switching to an air course for supplying outdoor air into a room, and to an air course for exhausting indoor air to the outdoors. The blower section 50 is provided with a centrifugal blower 33 for sucking air from an axial direction and blowing off air in a circumferential direction, a suction chamber 31 formed larger than a suction port of the blower 33, and a blowoff chamber 32 formed on the blowoff side of the blower 33. The air course switching device 40 is provided with an outer shell 46 having a plurality of openings, an air course switching body 41 turnably arranged in the outer shell 46 and having a partition wall for dividing the inside into a plurality of air courses, and a driving device 47 for turning the air course switching body 41 to switch communication between the plurality of air courses of the air course switching body 41 and the plurality of openings of the outer shell 46. The air course switching device 47 is juxtaposed to overlap the suction chamber 31 of the blower section 50.

The invention discloses a plate-shell type middle fluid type gasifier which is small in size, light in weight and capable of effectively reducing equipment cost, improving the reliability of the equipment and prolonging the service life of the equipment. The gasifier consists of a full-liquid type evaporator, a plate-shell type heat exchanger A and a plate-shell type heat exchanger B, wherein a plate travel runner inlet of the plate-shell type heat exchanger is used for inputting a medium to be gasified; the plate travel runner inlet is connected with a shell travel runner inlet of the plate-shell type heat exchanger B; the gasified medium is output from the shell travel outlet of the plate-shell type heat exchanger B; the plate travel runner inlet of the plate-shell type heat exchanger B is communicated with seawater; the plate travel runner outlet of the plate-shell type heat exchanger B is connected with the plate travel runner inlet of the full-liquid type evaporator; the plate travel runner outlet of the full-liquid type evaporator is communicated with the seawater; the shell travel runner inlet is connected with the shell travel runner outlet of the plate-shell type heat exchanger A; the shell travel runner outlet is connected with the shell travel runner inlet of the plate-shell type heat exchanger A.