533results about How to "Simple design" patented technology

The invention discloses a terahertz metamaterial unit structure and a preparation, adjusting and control method thereof and relates to the technical field of metamaterials and terahertz detection. The terahertz metamaterial unit structure is composed of a bottom layer, a middle medium layer and a surface layer, wherein the bottom layer is a layer of continuous metal film, the middle medium layer is one of a polyimide film, a silicon nitride film, a silicon oxide film, an amorphous silicon film, a silicon oxynitride film, an aluminum oxide film, a hafnium oxide film and an aluminum and hafnium oxide film, and the surface layer is a surface resonator, and the surface resonator is graphical metal with the interior in an H shape and the periphery of a framework structure. According to the adjusting and control method of the terahertz response characteristic of the metamaterial, the whole metamaterial unit structure meeting impedance matching requirements can be decreased or amplified proportionally, and the terahertz absorption frequency and the response frequency band of the metamaterial can be adjusted within an ideal range. The terahertz metamaterial unit structure has the advantages of being simple in structure, easy to integrate, and capable of being applied to terahertz detectors.

A multi-phase A.C. vehicle motor having one or more disk rotor assemblies and pairs of stator sub-assemblies. Each disk rotor assembly has a disk and a plurality of permanent magnets distributed along one or more circular paths in the disk inboard of the peripheral edge of the rotor. Each stator sub-assembly has a corresponding number of pole pieces and coils distributed along a mounting plate in corresponding circular paths. The disk is rotatably mounted to a support member; while the stator sub-assemblies are fixed to the support member.

An energy system is specified, which comprises a wind power turbine or water power turbine, which is connected to a generator, with the generator having at least two stator windings. In order to achieve a simple and robust design without a transformer, each stator winding has an associated rectifier unit, and each stator winding is connected to the AC voltage side of the associated rectifier unit. Furthermore, each rectifier unit has a respective associated energy storage circuit, and each rectifier unit is connected in parallel on the DC voltage side to the associated energy storage circuit, with the energy storage circuits being connected to one another in series.

An interface system and device for interfacing a microfluidic chip system is disclosed comprising an adapter having channels and ports connecting to the microfluidic chip system and an external fluidic system. An interface, device and method are provided herein, that disclose the connection of larger volumes of an external fluidic system to smaller volumes of a microfluidic chip system and the ability to effectively purge microfluidic channels without contamination.

A craft apron for keeping knitting and crocheting components together, for providing easy access to the components by a knitter and a crocheter and for storing and for carrying the knitting and crocheting components. A first member having a pleated portion and a second member having a hem. The second member joined to the first member to define a pouch. A closure disposed on the first member. The closure has a fastener for fastening the closure to the hem for opening and closing the craft apron. A tie cooperating with the hem. The craft apron is adjustable. A width adjustment is provided with a cord lock by gathering the hem; the cord lock cooperating with the tie and a length adjustment is accomplished with a snap fastener. The craft apron may be worn about the waist of a crafter and carried as a tote bag.

The present invention is generally drawn to optical network architecture that can include a multi-subscriber optical interface that can service a plurality of subscribers that are located in close proximity relative to one another. For example, the multi-subscriber optical interface can service multiple dwelling units such as an apartment complex that has many different subscribers to the optical network system. Further, the invention can also service subscribers over the same optical waveguide who may have different bandwidth needs, such as businesses, personal/home users and the like.

A jaw pad cover for expandably conforming to a shape of a jaw pad for protectively covering the jaw pad of a headgear is provided. The jaw pad cover comprises a stretchable material blank having a first section and a second section joined together with a stitch. The means for receiving the jaw pad therein the jaw pad cover is therethrough a first aperture and a second aperture therein the first section. The first aperture is larger than the second aperture to allow the jaw pad to freely pass therethrough so that when the jaw pad is positioned therein the jaw pad cover, a fastening means on the jaw pad for receiving the jaw pad and the jaw pad cover on the headgear is accessible therethrough the second aperture.

An appliance for preparing food comprises a pot (2) for containing food items and a base for supporting the pot (2). The base is equipped with heating means (50) for supplying heat to the pot (2), which comprise at least one heating element (52). The heating means (50) are adapted to only partially contact a bottom (21) of the pot (2) when the pot (2) is in place on the base, through at least one contact area which is at a position which corresponds to a position of the heating element (52). The appliance further comprises stirring means which are adapted to be movably arranged in the pot (2) for stirring food items, which are designed for directing the food items to a directly heated area (60) of the bottom (21) of the pot (2) which corresponds to the contact area of the heating means (50) during their movement.

The cabin environment controlling system for air bus includes the following assemblies: a frequency conversion motor, a supercharger, a reclaiming heat exchanger, an air bleeding unit A, a water spraying pre-cooler, a secondary heat exchanger, an evaporating cycle refrigerating unit, a mixing chamber, a purifying filter, a cabin and an air bleeding unit B. All the assemblies are connected through pipeline for air circulation. The system has motor driven supercharger to compress air for increasing pressure in the cabin, evaporating cycle refrigerating unit to cool air to the cabin, and independent air bleeding fan to ensure high work efficiency and low noise. The present invention provides comfortable cabin environment for air bus in different flying states.

The invention discloses methods and a system for storing and obtaining data, wherein the method for storing data includes the steps of: writting the data inputted by a host into a solid hard disk array; comparing whether the current data size of the solid hard disk array is larger than or is equal to a preset threshold value; and if so, transferring the data of the solid hard disk array into a local hard disc. The method for obtaining data includes the steps of: judging whether the solid hard disk array currently stores the required data or not; and if not, obtaining the required data from the local hard disc, or if so, obtaining the required data from the solid hard disk array. The embodiment of the invention guarantees that the data can not be easily lost, and reduces the complicated degree of a storage system.

The invention discloses a direct memory access (DMA) device, comprising bus Slave interface, DMA request and response interface, bus Master interface, control logic and register set, channel logic and register set, and interrupt request logic, where the key point is that control logic of each DMA channel in the channel logic and register set comprises: channel control logic used to control state switching of first and second state selection units and control read-in/-out of data from source address to destination address; first and second data buffer areas for storing data read in DMA channels in different directions; first and second state selection units for reading data from the source address into the first or second data buffer area and sending data in the second or first data buffer area to the destination address. And the invention also discloses a method for realizing single channel bidirectional data exchange. And the device and method can make each DMA channel support bidirectional data exchange, raising resources utilization ratio and DMA operating efficiency and reducing cost of DMA chip.

A method of realizing multifunctional multiplexing on a single-end serial port comprises the following steps: constructing a plurality of logic channels corresponding to the virtual end of a personal computer end on a terminal device end and constructing the interlayer of a universal asynchronous receiver and transmitter on the device end, transmitting data of all virtual interfaces on the same physical serial port for assembling data packs with marks to differentiate the data of different virtual serial ports when in communication, constructing the interlayer of the universal asynchronous receiver and transmitter of the personal computer end for encapsulating or decoding the data packs from all logical channels, and conducting the data transmission on each virtual port, and realizing the exclusive access of components in the serial port connection mode of system physical one-end-to-many end dependent on a route chip. The method realizes the multifunctional multiplexing on a single end physical serial port channel. A software frame is designed simply, and the physical serial port of a PDA is prevented from simultaneously connecting with a serial port on a PC and other serial ports to generate physical interferences on a hardware circuit.

A broadband gateway 135 that combines a broadband modem 120 and a residential gateway 130 in a single unit. The single unit features a unique dual bridge, shared module architecture that reduces redundancy in the broadband gateway 135 at the same time it minimizes interactions between modules in the broadband gateway 135. This minimized interaction permits the broadband gateway 135 to operate at peak efficiency and allows for continued development of portions of the broadband gateway 135 without necessarily incurring compliance testing for the broadband portion of the broadband gateway 135.

The invention relates to a codebook design method for 3D antenna configuration. The method includes the steps of selecting a first code word representing a first antenna array in the 3D antenna configuration from a first codebook, selecting a second code word representing a second antenna array in the 3D antenna configuration from a second codebook, and multiplying the first code word and the second code word to obtain a corresponding code word applied to a codebook for the 3D antenna configuration. The method has the advantages that the design is simple, the existing LTE Re1-10 codebook can be used, and compatability is good.

A method for determining the relative position between two or more objects in a marine environment, including waterways, of which at least one object can be maneuvered relative to one or more other objects. At least one interrogator is arranged on one or more of the objects and sends a radio wave signal to at least one transponder arranged on one or more of the other objects. The novel method is the use of a FMCW radar in the interrogator, the use of the transponders for including identity tags into the signals to be reflected to the interrogator, and attitude determination. A system for this determination is also described.

A first jaw is fixed to the handle of the iron, with a second heated jaw and clamp connected by a pivot to the first jaw. Complementary flat surfaces on the first and second jaws allow hair to be straightened therebetween and complementary curved faces on the clamp and second jaw provide for hair held therebetween to be waved. Both jaws and the clamp have apertures in which a latch is received. The latch is moveable substantially parallel to the transverse axis of the pivot between a first position for connecting the second jaw and the clamp together for pivoting relative to the first jaw and a second position, for connecting the first and second jaws together, while permitting relative pivoting of the clamp.

The present invention discloses a driving circuit for an active matrix organic illuminated display device; the driving circuit comprises: a driving circuit, a display pixel circuit; a signal regulation and correction circuit composed of a search table, a counter, a digital-analog converter (DAC), an analog-digital converter (ADC), and a driving and feedback controller; the driving circuit outputs line scan signal and display driving signal; the pixel circuit comprises a detection pixel circuit and a display pixel circuit, wherein, the detection pixel circuit is connected to the signal regulation and correction circuit, and the display pixel circuit is connected to the driving circuit; wherein, when the correction function is enabled, the signal regulation and correction circuit produces and regulates a detection driving signal for the detection pixel circuit according to the voltage feedback, and updates the search table according to the detection driving signal; during normal display, the signal regulation and correction circuit produces corrected display data from the display data input against the search table, and transmits the corrected display data to the driving circuit. The driving circuit can implement the most simplified design of the display pixels while avoiding complex line scan circuit.

The invention relates to the technical field of electronic packaging and discloses a metal heat-conducting substrate and a manufacturing method thereof. An insulating medium slurry layer is printed on a metal substrate and molten by a laser ablation method to form an insulating medium layer, and a metal circuit slurry layer is printed on the insulating medium layer and molten by the laser ablation method to form a metal circuit layer, so that a well-insulated radiating passage is provided. The laser melting method has the advantages of achieving extremely high pattern accuracy, contributing to product miniaturization and precision, simplifying the technology of a manufacturing process, preventing pollution, saving materials, lowering cost and achieving good radiating effect.

The invention discloses a multi-wavelength multi-optical axis parallelism detection device and detection method. The multi-wavelength multi-optical axis parallelism detection device includes a first off-axis parabolic reflecting mirror, a first plane reflecting mirror, a first color division mirror, a first attenuation sheet, a second plane reflecting mirror, a third plane reflecting mirror, a first frequency multiplication crystal, a second color division mirror and a visible light photoelectric detector; the first off-axis parabolic reflecting mirror is used for reflecting a light beam to the first plane reflecting mirror; the first plane reflecting mirror is used for reflecting the light beam to the first color division mirror; and the first color division mirror is used for reflecting a short-wavelength light beam to the first attenuation sheet. With the multi-wavelength multi-optical axis parallelism detection device and detection method adopted, visible short-wavelength infrared band laser beams can be detected; and high-precision detection can be performed on multi-wavelength and multi-light beam special included angles of a femtosecond laser tracker, and obtained measurement results by adopting the multi-wavelength multi-optical axis parallelism detection device and detection method can be applied to the optical axis adjustment and error correction of the femtosecond laser tracker, and therefore, angle measurement errors among a plurality of optical axes of the femtosecond laser tracker can be improved. The device has the advantages of simple design, simple structure, high measuring accuracy, low cost and the like.

A surface acoustic wave arrangement has at least two interdigital transducers being provided on a piezoelectric substrate along an acoustic path, with at least one of the interdigital transducers being a fan transducer which is divided in a transverse direction into edge tracks and a center track. The acoustic wave excited in the edge tracks can be radiated either bidirectionally or unidirectionally in a predominant direction. On the other hand, the center track is formed so that the unidirectional radiation of the wave takes place in a direction opposite the predominant direction. In this manner, the signal transmission is suppressed in the frequency range corresponding to the finger period in the center track within the passband range of the transfer function. The obtained notch in the transfer function is used, for example, in receivers of terrestrial and satellite-based signals for suppressing the terrestrial signals in the satellite path of the receiver.

A contactlessly, inductively, or magnetically drivable agitator (1) for fluids, in particular for agitating sterile fluids which is equipped with a separating vessel (10) and an agitator head (2), which is supported thereon in an axially and radially movable fashion and is for supporting agitating elements (5). The novel agitator (1) includes means for hydrodynamically generating a fluid film from the medium to be agitated and during operation, the fluid film is formed between at least one stationary part of the separating vessel (10) or a container bottom (11) and at least one part of the rotationally movable agitator head (2) that is equipped with the hydrodynamically acting means. During operation, the fluid film eliminates essentially all of the pressure on the bearing, drastically reduces the wear, and as a result, practically no further abraded material gets into the fluids to be agitated. Such agitators permit maximum speeds of up to 3000 rpm. The agitators are suitable for installation in conventional metal receptacles, but it is preferable to use plastic nonreusable agitators in nonreusable containers.

The present invention discloses a geological record acquisition system, and a management and control method based on the network and an android system, which comprises an engineering management module, a project planning module, a data collection module, a data analysis module and a background maintenance module. The practical application of the system shows that, engineering actual requirements can be met. Not only the content of geological survey records at a geotechnical engineering site is specified, but also the varying problem from person to person can be effectively solved. Meanwhile, during the recording process, the information, such as GPS coordinates, time and the like, can be automatically collected, so that two traceable means, namely the time means and the space means, are provided for the quality control at the geotechnical engineering site. The fresh first-hand information is provided for the proofreading and reviewing operation by photographing and video-shooting modules. The collection and transmission of electronic data greatly improves the working efficiency and effectively reduces the occurrence of human errors during the data transmission process. The accurate transmission of the first-hand survey information is ensured. Therefore, the system and the method have tremendous application potential in the quality management and control field of geotechnical engineering investigation.

The invention discloses a thermal control method of a spatial aircraft. The thermal control method comprises the following steps: firstly sticking a heating piece, a thermistor and a temperature controller on a separating and releasing barrel of the spatial aircraft; before all equipment in the spatial aircraft is mounted, blackening all the equipment, and sticking F46 membranes; applying heat conducting grease or enabling a heat insulating pad to be additionally mounted in an assembly process; and finally coating the spatial aircraft in a multi-layer manner with a multi-layer heat insulating assembly so as to complete the thermal control on the spatial aircraft. Compared with a conventional active-passive complex thermal control manner or a conventional active thermal control manner, the thermal control method disclosed by the invention is simple in design, few in electrical loops and high in reliability; in addition, thermal control equipment can be closely attached to the appearance of the spatial aircraft, so that a small inner space is occupied, the thermal control method has a small influence on external envelope sizes, is high in space utilization rate, convenient and quick to implement and simple to operate, and can be suitable for a quick transmitting task of the spatial aircraft.

The invention discloses a UV-LIGA (Ultraviolet-Lithografie, Galvanoformung, Abformung) method for manufacturing multi layers of mini-type inductance coils on a silicon substrate. The UV-LIGA method integrates an MEMS (Micro Electro Mechanical System), a micro inductance coil of which the cross section diameter is ten micrometers and even several micrometers can be manufactured through a UV-LAIG craft of photoetching, developing, sputtering and electroforming craft and a PECVD (Plasma Enhanced Chemical Vapor Deposition) technology, and the size limit of the traditional manufacturing method of an inductance coil is broken. The UV-LIGA method disclosed by the invention is used for manufacturing a single-layer mini-type coil or multi layers of series-and-parallel communication structure coils, and the filling of insulation layers between the multi layers of the coils can be carried out through the PECVD technology. The bottom layer insulation effect is good as a silicon wafer is used as a substrate, the silicon wafer is light and the thin, and the operation is flexible; and a chromium plate is used as a masking tool, thus the transshipment from a design configuration to a manufacturing shape can be realized, the design for the size, the shape and the distribution of the inductance coil can be very flexible and simple, multiple sets of the inductance coils can be processed at one step according to the distribution of a masking configuration, the performance cost is high, and the processing efficiency and the forming rate are greatly increased.

The invention provides an evaluation index calculation method and device based on component-based and graphical operators, applied to the field of simulation training and evaluation of the command information system. The evaluation index calculation method based on the component-based and graphical operators comprises the following steps: selecting appropriate basic processing operators accordingto the algorithm design requirements of the evaluation index; performing graphical logical connection on the basic processing operators through a directed connection line to form a whole process logicfor carrying out the algorithm calculation; configuring the properties and parameters of each base processing operator; and executing each base processing operator in order automatically and outputting the final evaluation index. According to the invention, the logical connection and parameter design are performed through the graphical interface, therefore, the evaluation algorithm process can bedesigned more easily, it is more friendly to the operator, and the complex index and the algorithm can be more quickly and conveniently designed by the combination of the component-based operators.

A conveyor grate for the transport and cooling of bulk material, for example cement clinker, comprises a grate floor having multiple planks (12), adjacently situated transverse to the direction of transport on associated support structures and operationally moved longitudinally relative to one another individually or in groups, with moving gaps (14) designed as blow openings situated therebetween, and a method for operating such a conveyor grate. The mutually facing side edges or side edge regions of two adjacent planks (12) form two complementary, mutually engaging profiles between which the moving gap (14) is formed. In the method according to the invention, at least a quantity of the cooling air is blown through the moving gaps (14) which is sufficient to blow the moving gaps (14) completely open.

The invention provides a method for detecting isolation between antennas for a digital radio repeater system, which comprises the following steps that: a downlink digital processing unit (103) automatically utilizes an idle channel to search idle frequency points; an FPGA (1034) of the downlink digital processing unit (103) produces a dot frequency signal X; the X is transformed into an analog intermediate-frequency signal through DUC digital upconversion and D/A conversion; the analog intermediate-frequency signal enters the downlink digital processing unit (103) through a downlink upconversion module (104), an AMP (105), a duplexer (302), a retransmission antenna (402), a donor antenna (401), a duplexer (301), an LNA (101), and a down-conversion module (102); and the analog intermediate-frequency signal is transformed into a digital baseband signal Y through A/D conversion and DDC, the Y is equal to X+G-IL, G is system gain, and IL is the isolation between the donor antenna (401) and the retransmission antenna (402).

The modularized structure framing system is disclosed incorporating a plurality of quad wall modules, a plurality of single wall modules, a plurality of double wall module, a plurality of window modules, and a plurality of door modules. Each module is,made using conventional 2''x4'' building materials. Endpieces of conventional 1''x4'' building materials allow modules to be aligned together during construction while still maintaining standard dimensionality. A plurality of alignment tools are provided for installation of the modules. These include a corner alignment tool having a 90 degree angle and a 1.25 inch wide by 3.55 inch deep groove running throughout, a wall straightness tool also having a 1.25 inch wide by 3.55 deep groove running throughout, and a "T"-shaped the wall alignment tool having a 1.25 inch wide by 3.55 deep groove running throughout.

In a hook fastener having a sliding closure for closing the mouth of the hook, a keeper prevents opening of the closure. The hook fastener includes a body having a base portion and a hook portion extending from an end of the base portion to define a gap between the hook and the base portion. An opening formed in the base portion has an elongate mouth intersecting an external face on the base portion. The closure includes a shaft part and a grip part, the shaft part received in the opening, the grip part protruding from the shaft part through the mouth for manipulation by a user. A spring urges the closure such that the shaft part extends out of the opening into the gap. The keeper is received to rotate upon the external face, being located between the grip part and abutment on the body. A slot in the keeper extends parallel to the mouth, the keeper preventing the user retracting the closure from the gap, except when the slot is rotated so as to be angularly aligned with the mouth.

The description relates to a rod closure for locking sheet-metal cabinet doors or the like doors or flaps, comprising a rod, such as a flat strip rod, which is profiled in an elongated manner, extends substantially edgewise parallel to the door edge and is preferably arranged in the bevel space, and at least one holding element which is arranged at the door frame for holding the rod so as to lock the door in the closed position, and an actuating device for the rod, which actuating device is connected to the door leaf. According to the invention, the rod or a complicated profiled rod is mounted so as to be swivelable between a locked position and an unlocked position around a longitudinal axis arranged close to the side directed away from the door leaf plane, and the holding element forms a contact surface for the other side of the rod facing the door leaf plane, and the actuation device engages the rod close to this side.