141 results about "Embedded core" patented technology

An embedded core electrical transformer (120) for DC to DC current conversion at a switching frequency of 1 MHz has reduced volume and weight with increased power density. The electrical transformer (120) utilizes a plurality of conductive elements (132) disposed inside a hollow cavity (128) used to embed two magnetic cores (134, 136). The conductive elements (132) encircle three sides of the embedded cores (134, 136) and interface with a multilayer PCB (137) which includes conductive traces formed therein to encircle a fourth side of the embedded cores and to form primary and secondary winding circuits.

The invention relates to a burning and explosion accident sensing and risk predicting early-warning intelligent fire fighting helmet implementing method. A fire fighting helmet, a long-distance combustible gas detector, a thermal imaging camera module, a head-mounted near-eye display module, a positioning instrument, a data communication and transmission module, an embedded core board, an earphone, a base station, and a fire fighting command centre are involved. According to the burning and explosion accident sensing and risk predicting early-warning intelligent fire fighting helmet implementing method, the real-time position of a fireman in a building can be displayed for the fireman by combining a fireman positioning technology, a building information model and real scene thermal image information, and projecting and displaying information through the head-mounted near-eye display module, so that the environment burning and explosion dangerousness and risk thereof are predicted in real time. When the fireman enters an unknown environmental place, a potential fire disaster explosion accident risk can be effectively predicted quickly; quick sensing and information communication ofthe fireman to a fire disaster accident scene can be realized through an advanced video and thermal imaging technology and an indoor positioning and communication transmission technology, so that thefire fighting rescuing scientific level and the capacity of the fireman are improved.

A method of testing of an embedded core of an integrated circuit (“IC”) is described. An IC has a hardwired embedded core and memory coupled to each other in the IC. The method includes writing a test vector to the memory while the embedded core is operative. The test vector is input from the memory to the embedded core to mimic scan chain input to the embedded core. A test result is obtained from the embedded core responsive in part to the test vector input.

The invention relates to rapid visual orientation and remote monitoring system and method based on an embedded mobile robot. The system mainly comprises an embedded base plate, an embedded core plate, an image data collecting module, a digital signal processing module, a network communication module, a storage module, a USB interface and a terminal device. The embedded core plate collects image information by the image data collecting module, forwards the image information to the digital signal processing module, rapidly extracts key characteristic points of the images according to improved SIFT (Scale Invariant Feature Transform) algorithm and compares the key characteristic points with the image characteristic point information of the special marker stored in the storage module so as to identify the images, further determine the position of the mobile robot according to coordinates of the special marker and complete visual orientation of the mobile robot. After determining the position of the marker, the digital signal processing module sends the positioning information through a communication module to the terminal device. The system is compact and reliable in structure, and can rapidly and effectively identify the special marker during remote orientation of the mobile robot which is oblique, deformed, dirty, partially sheltered and has a complicated background and changing light.

A scan testing technique in which test data is pipelined to scan logic within an integrated circuit. In system on a programmable chip (SOPC) designs, pipelines are easily built in the programmable logic device (PLD) logic by configuring programmable interconnects to connect registers in a pipelined manner so that test data can be pipelined to scan the logic under test. In system on a chip (SOC) designs, a smart test generator-analyzer is configured to recursively extract pipeline information from a design-so that test data can be pipelined to scan the logic under test. Generally, test data is pipelined using existing functional logic and/or scan chains. Furthermore, a failure analysis (FA) platform is described. The FA platform is operable to take as its input a failing vector as well as a pipelined scan vector and unroll the pipeline sequence to determine which vector caused the failure.

The invention discloses an embedded static random access memory (SRAM) test structure and an embedded SRAM test method based on institute of electrical and electronics engineers (IEEE) 1500. Methods for IEEE1500 standard for embedded core test and built-in self test (BIST) are combined in the test structure; the embedded SRAM test structure consists of a test shell package of an embedded SRAM and a SRAM test controller, wherein the test shell package is used for solving the problems of test access, test isolation and test control of the embedded SRAM; and the SRAM test controller is used for generating test incentive data, controlling a package shell Wrapper, performing response analysis and outputting a test result according to a test algorithm. By adoption of the test structure and the test method, a fault existing in the embedded SRAM can be detected, the test reuse of the embedded SRAM is facilitated, and the integration efficiency of system on a chip (SoC) can be effectively improved.

The invention provides an oil cylinder core-loosening injection mould with a spring self-locking mechanism, which can solve the problem that the defect on the surface of a formed product is generated because a formed embedded core is easily beaten back when an oil cylinder is subjected to core loosening in the prior art. The cylinder core-loosening injection mould with a spring self-locking mechanism comprises a front template and an oil cylinder core-loosening mechanism, wherein the oil cylinder core-loosening mechanism comprises a formed embedded core, the oil cylinder and an oil cylinder joint; the spring self-locking mechanism is arranged between the formed embedded core and the oil cylinder joint and comprises an oil cylinder joint fixing block, an embedded core connecting block and a spring locking block; the front end of the oil cylinder joint fixing block is connected with the embedded core connecting block; the rear end of the oil cylinder joint fixing block is connected with the front end of the oil cylinder joint; and the front end of the embedded core connecting block is connected with the formed embedded core. By additionally arranging the spring self-locking mechanism, the formed embedded core is locked in the injection moulding process, the defects of trimming, burr and the like on the surface of the product caused by beating back of the formed embedded core as a piston rod of the oil cylinder is forced to backwards move by the large injection moulding force to drive the formed embedded core to retreat is avoided, and the appearance quality of the product is effectively guaranteed.

The invention discloses a preparation method of a membrane electrode and a preparation method of a membrane electrode anode catalytic layer. The preparation method comprises the following steps of immersing one surface of a proton exchange membrane into a platinum precursor/water solution; mixing a carbon carrier metal or a metal oxide with perfluorinated sulfonic acid resin, and after mixing, performing ultrasonic and uniform mixing in an organic solvent to form a black catalyst slurry; putting a prepared anode substrate catalytic layer into an electroplating grinding tool for pulse electrodeposition, introducing saturated nitrogen, and inserting an auxiliary electrode and a reference electrode; and setting the pulse frequency, the conduction and disconnection time and the pulse deposition total time, so as to prepare an anode catalytic layer in-situ embedded core-shell catalyst. By virtue of the preparation method of the membrane electrode, and the preparation method of the membraneelectrode anode catalytic layer provided by the invention, the preparation efficiency, the controllability and the precision of the preparation process are improved, and the cost can be lowered.

The invention provides a tiny particle conveying device and a method based on a hollow melt-embedded core capillary optical fiber. The tiny particle conveying device comprises a section of hollow melt-embedded core capillary optical fiber; the hollow melt-embedded core capillary optical fiber can lead transmission lights in a fiber core to transmit a cladding layer in an evanescent field mode and enter the hollow melt-embedded core capillary optical fiber in a capillary; one side of the middle part of the hollow melt-embedded core capillary optical fiber is provided with a small hole; the small hole is connected with an air pressure adjusting device; one end of the hollow melt-embedded core capillary optical fiber is welded with a section of standard solid optical fiber; and the standard solid optical fiber is connected with the hollow melt-embedded core capillary optical fiber into a whole body by a cone transition region formed by drawing a welding part. The device and the method can be used for screening, transferring, transporting, detecting and the like for tiny particles such as biological molecules, biological cells, nanometer clusters, colloidal particles, media particles and the like.

The invention relates to a load switch testing device based on power. The load switch testing device comprises the components of a current sensor which is used for testing a current analog signal in household power consumption and transmits the current analog signal to an A/D conversion module; a voltage sensor which is used for testing a voltage signal in household power consumption and transmits the voltage signal to the A/D conversion module; the A/D conversion module which is used for converting the current analog signal and a voltage analog signal to a current digital signal and a voltage digital signal, and transmitting the signals to an ARM embedded core processing module; the ARM embedded core processing module which is used for processing the current digital signal and the voltage digital signal, acquiring a power strength change value between two adjacent periods, comparing the power strength change value with a preset threshold, determining a load switching event and extracting signal characteristic data of the current digital signal and the voltage digital signal; and a memory module which is used for storing the current digital signal, the voltage digital signal and the signal characteristic data.

The invention relates to a construction method for an anti-seismic rammed earth wall with a reinforced surface skin and core columns and belongs to the technical field of construction engineering. According to the method, a rammed earth wall formwork is manufactured, and pre-embedded core molds are placed into the rammed earth wall formwork. The effect of the surface skin is reinforced under the tying and connecting action of two kinds dovetail joint type earth materials in the mode that different earth materials are added twice; the anti-seismic performance of the rammed earth wall is enhanced under the action of criss-cross tying and connecting action by prefabricating the pore-forming core columns, earth mass reinforcing columns and steel wire sewn mesh sheets. The method has the advantages that the construction cost of the rammed earth wall is lowered, and the durability and reliability of the rammed earth wall are improved.

Disclosed herein is an SoC-based core scan chain linkage switch. The core scan chain linkage switch includes test bus terminals, scan chain input/output terminals, a switch unit and SCLK, UCLK, Mode and Enable signals. The test bus terminals apply instructions and input/output test data. The scan chain input/output terminals link with the scan chains of an embedded core. The switch unit completes a linkage configuration between the test bus terminals and the scan chain input/output terminals in response to the applied instructions. The SCLK, UCLK and Mode signals apply the instructions to dynamically reconfigure the switch unit and update the linkage configuration of the switch unit, and the Enable signal activates and deactivates the switch unit.

A device test architecture and interface is provided to enable efficient testing embedded cores within devices. The test architecture interfaces to standard IEEE 1500 core test wrappers and provides high test data bandwidth to the wrappers from an external tester. The test architecture includes compare circuits that allow for comparison of test response data to be performed within the device. The test architecture further includes a memory for storing the results of the test response comparisons. The test architecture includes a programmable test controller to allow for various test control operations by simply inputting an instruction to the programmable test controller from the external tester. The test architecture includes a selector circuit for selecting a core for testing. Additional features and embodiments of the device test architectures are also disclosed.

The invention discloses a portable hydroelectric generating set vibration and swing degree data detecting system and method. The portable hydroelectric generating set vibration and swing degree data detecting system comprises an SoC embedded core, an analog signal acquisition module, an analog input conditioning circuit, an A/D converter and a memorizer, wherein the analog signal acquisition module, the analog input conditioning circuit, the A/D converter and the SoC embedded core are connected in sequence, the memorizer is connected with the SoC embedded core, the analog signal acquisition module comprises an electrical vortex sensor and a vibration sensor, the analog input conditioning circuit comprises an amplification circuit serving as a front-stage circuit and a filter circuit serving as a rear-stage circuit. According to the portable hydroelectric generating set vibration and swing degree data detecting system and method, the detection precision is high, implementation is easy, and the data filtering effect is good.

The invention discloses a long-circulating lipidosome as well as a preparation method and an application thereof. The long-circulating lipidosome is prepared by taking phospholipid as a lipidosome membrane material, and adding a membrane structure modifier and a long-circulating material. The lipidosome has a better embedding effect to flavor substances which have water solubility and oil solubility, and various water soluble ingredients and oil soluble flavor ingredients can be embedded at the same time; furthermore, the lipidosome is dried and then prepared into powder; meanwhile, the lipidosome is better in storage stability and is added into cigarettes, the stability of the long-circulating lipidosome can be kept in the storage process, and embedded core materials can be released when the cigarettes are smoked.

The invention discloses a diameter-adjustable flexible core rod with a novel structure. The complete flexible core rod is formed by axial series connection of a plurality of inner sleeved core rod subsections through elastic rubber rods, the elastic rubber rods are arranged at through holes in the inner sleeved core rod subsections in a penetrating mode to enable the inner sleeved core rod subsections of a plurality of core rod sections to be elastically connected in series, and outer embedded core rod subsections are mutually nested on the outer portions of the inner sleeved core rod subsections to form the integral single core rod sections; and the multiple core rod sections are axially connected in series through the elastic rubber rods to form the complete flexible core rod, and the elastic rubber rods are arranged at the through holes in the inner sleeved core rod subsections/the outer embedded core rod subsections in a penetrating mode to conduct elastic series connection. According to the diameter-adjustable flexible core rod, the structure is simple, machining and assembling are easy, the core rod sections with the diameters being different can be formed through mutual nesting and connecting of the inner sleeved core rod subsections and the outer embedded core rod subsections, the function that the diameter of the flexible core rod can be adjusted is achieved, the diameter-adjustable flexible core rod can be suitable for bent pipe fittings with different pipe diameters, the flexible adjustability is achieved, materials can be saved, and the cost is reduced.

The invention relates to a dynamic proportioning liquid after-spraying system, which uses continuous flow material fine flow controller to detect flow quantity of mass diffuse matter continuously and controls thickness of feed layer precisely after computer gets the value of instantaneous delivery. Meanwhile the invention uses microscale liquid processing unit to spray microdosage on target object. PPLA system adopts ARM build-in core technology to process both centralized telecontrol and independent control. The invention integrates fluid technology, mechanical technology, electrical control, computer soft-hardware control and so on.

A rubber continuous annular baler press belt is made of at least one of rubber and rubber-like materials. The press belt includes an embedded core of a reinforcing fabric and has at least two individual superimposed fabric layers (6, 7, 8). The ends of each fabric layer mutually abut and do not overlap each other at the abutment location. The abutment locations (11, 13, 15) are arranged over the periphery of the press belt so as to be offset from each other.

The present invention discloses an integrated circuit packaging method with a postpositional buried core flow and a package structure. A multi-layered board is formed by firstly adding layers, then atrench body is etched to embed active and/or passive devices, and then the sealing process is performed, thereby effectively simplifying the manufacturing process. In the second aspect, the advantagesof lead bonding and flip-chip bonding are compatible to cancel to a metal wire or a tin shot in the lead bonding and the flip-chip bonding and reduce the production cost; in the third aspect, the active and/or passive devices are inlaid in the package and are in seamless connection with the package material to improve the electrical performance, improve heat dissipation performance of the chip, achieve the package volume, shorten the connection with the outside, and allow the package size to be lighter and thinner. The integrated circuit packaging method with the postpositional buried core flow and the package structure can be widely applied to various integrated circuit package.

The invention relates to a forced cooling method for a wind power cast, in particular to a forced cooling method for a wind power cast. The method comprises the following steps of manufacturing a heat exchanger, when producing a sand core, embedding core iron into casting san, and placing the heat exchanger into an inner cavity of the sand core; embedding a ceramic pipe communicated with the heat exchanger into the central position of the end face of a core head of the sand core during modeling, and enabling the ceramic pipe to be connected with the outside of a sand box; when the box is closed, after placing the sand core into a cavity, connecting the core iron of the sand core and the ceramic pipe embedded in the cavity through the ceramic pipe, and filling the core sand into the rear portion of the heat exchanger; after the box is closed, communicating the ceramic pipe and a compressed air port through a flexible hose; and during pouring, when iron liquid of the cavity is full, feeding gas into the heat exchanger. The forced cooling method for the wind power cast is unique in process, the cast is cooled through air blowing by utilizing the heat exchanger, heat dissipation of the sand core of the inner cavity is accelerated, iron liquid crusting is accelerated while vibration ramming is utilized to enable the inside of the cast to be compact, and the requirements for flaw detection can be met.