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South China University Of Technology patents


Recent patent applications related to South China University Of Technology. South China University Of Technology is listed as an Agent/Assignee. Note: South China University Of Technology may have other listings under different names/spellings. We're not affiliated with South China University Of Technology, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | South China University Of Technology-related inventors


 new patent  Low-profile broadband high-gain filtering antenna

The present invention discloses a low-profile broadband high-gain filtering antenna. The antenna comprises a radiator, an upper-layer dielectric substrate, a lower-layer dielectric substrate, a microstrip feed-line having open stubs, a ground plane having a plurality of spaced slots, and a metallized via. ... South China University Of Technology

Low-profile dual-band filtering patch antenna

A low-profile dual-band filtering patch antenna and its application to lte mimo system are disclosed. By using two embedded u-shaped radiating patches and a multi-stub microstrip feed-line, two operating bands and four radiation nulls can been generated and individually controlled, the design is thus very simple and flexible. ... South China University Of Technology

Hybrid transformation system based on three-phase pwm rectifier and multi-unit uncontrolled rectifier and control method thereof

The present invention discloses a hybrid transformation system based on three-phase voltage type pwm rectifier and multi-unit uncontrolled rectifier. The hybrid transformation system mainly consists of a three-phase reactor (l), a three-phase voltage type pwm rectifier module, an n-unit three-phase uncontrolled rectifier bridge module group, capacitors (c0-cn) and a dsp control circuit. ... South China University Of Technology

Thin film transistor, array substrate and manufacturing method thereof, and display device

A metal oxide thin film transistor and a manufacturing method thereof, an array substrate and a manufacturing method thereof, and a display device are provided. The manufacturing method of the metal oxide thin film transistor includes forming a gate electrode (141), a gate insulating layer (130), an active layer (113) and source and drain electrodes (121, 122) of a thin film transistor on a base substrate. ... South China University Of Technology

Thin film transistor and method for manufacturing the same, array substrate and method for manufacturing the same, display panel and display device

A method for manufacturing a thin film transistor is disclosed. The method includes: manufacturing a gate electrode, a gate insulation layer, an active layer, a source electrode and a drain electrode on a substrate. ... South China University Of Technology

A composite material of metal foam-carbon nanotube, the preparation method thereof and the use thereof

The present invention relates to the technical field of nanometer materials, which discloses a composite material of metal foam-carbon nanotube, the preparation method, and the use thereof. The preparation method of the present invention is: pre-treating a substrate of polyurethane sponge, then placing the pre-treated substrate of polyurethane sponge into a electroless plating solution containing metallic element to carry on a electroless plating reaction, and drying to obtain a metal foam catalyst on the polyurethane sponge substrate; then placing the metal foam catalyst into a tube furnace and raising the temperature to 500˜550° c.; introducing hydrogen and maintaining for 0.5 to 2 hour; then raising the temperature to 600˜800° c. ... South China University Of Technology

Hydrogel capable of being used for seawater desalination and preparation method therefor

A hydrogel capable of desalinating seawater and a preparation method thereof. The hydrogel is a polymer polymerized by a monomer containing a hydrophilic group and a carbon-carbon double bond via carbon-carbon double bonds. ... South China University Of Technology

Width-tunable single-frequency fiber laser light source for coherent optical orthogonal frequency division multiplexing system

A width-tunable single-frequency fiber laser light source for coherent optical orthogonal frequency division multiplexing system including a chirped fiber grating with high reflectivity, a high gain optical fiber, a chirped fiber grating with low reflectivity, a single-mode semiconductor pump laser, an optical wavelength division multiplexer, an optical coupler, an optical circulator, and a tunable optical filter module is provided. The chirped fiber grating with low reflectivity and the chirped fiber grating with high reflectivity together serve as a front cavity mirror and a back cavity mirror of a resonant cavity to realize laser oscillation. ... South China University Of Technology

Thin-film transistor (tft) and manufacturing method thereof

A thin-film transistor (tft) and a manufacturing method thereof. The manufacturing method for the tft includes: depositing metal film layers on a substrate by a direct current (dc) sputtering method; and forming a metal oxide film layer or metal oxide film layers by completely oxidizing or partially oxidizing the metal film layers. ... South China University Of Technology

Gaas thin film grown on si substrate, and preparation method for gaas thin film grown on si substrate

Disclosed is a preparation method for a gaas thin film grown on an si substrate, said method comprising the following steps: (1) si (111) substrate cleaning; (2) si (111) substrate preprocessing; (3) si (111) substrate oxide film removal; (4) first inxga1-xas buffer layer growth; (5) first inxga1-xas buffer layer in situ annealing; (6) gaas buffer layer growth; (7) gaas buffer layer in situ annealing; (8) second inxga1-xas buffer layer growth; (9) second inxga1-xas buffer layer in situ annealing; (10) gaas epitaxial thin film growth. Also disclosed is a gaas thin film grown on an si substrate. ... South China University Of Technology

Porous graphene, graphene quantum dot, and green manufacturing method therefor

A porous graphene, a graphene quantum dot and a green preparation method for the porous graphene and the graphene quantum dot. The method includes adding a starting material, graphite, into an acetic acid aqueous solution of chitosan, using chitosan as a stripping agent, obtaining the porous graphene by an ultrasonic treatment, centrifugation and precipitation, and obtaining the graphene quantum dot by dialyzing a supernatant from the centrifugation. ... South China University Of Technology

Parallel platform tracking control apparatus using visual device as sensor and control method thereof

A parallel platform tracking control apparatus and method using a visual device as a sensor are disclosed. The apparatus comprises a parallel platform body, a ccd camera (11), a lens (6), a camera light source (9), a computer (11), a dspace semi-physical simulation controller, an ultrasonic motor driver and the like. ... South China University Of Technology

Method for in-site synthesis of transparent conductive coating of poly(3,4-ethylenedioxythiophene)/nano silver

A method for in-site synthesis of transparent conductive coating of poly(3,4-ethylenedioxythiophene)/nano silver hybrid on transparent substrate is provided. Transparent substrate with oxidant coating containing silver salt is immersed into 3,4-ethylenedioxythiophene (edot) solution. ... South China University Of Technology

Active layer, thin film transistor, array substrate, and display apparatus and fabrication methods

The present disclosure provides an active layer, a thin film transistor, an array substrate, and a display apparatus, and fabrication methods thereof. A method for fabricating an active layer in a thin film transistor is provided by forming a thin film by a direct current (dc) sputtering process; and etching the thin film to form the active layer. ... South China University Of Technology

02/15/18 / #20180042264

A saury maillard peptide having uric acid-decreasing activity and its preparation method and application

The present invention discloses a saury maillard peptide with antihyperuricemic activity and its preparation method and application, with the method comprising the following steps: mincing a saury, adding water, heating, agitating, adjusting a ph value to 4.2, separating by centrifugation, and collecting the precipitate; adding water, proteases and amino acids to the precipitate, adjusting a ph value to 7.0, hydrolyzing, adding a reducing sugar to cause a reaction, centrifuging and collecting a supernatant which is saury maillard peptide; and spray drying the peptide liquid to obtain a dry powder. The method of the present invention realizes the continuous action of enzymolysis and maillard reaction to prepare the maillard peptide, not only simplifying the production process, shortening the production cycle, and reducing the production costs, but also significantly enhancing the antihyperuricemic activity of the produced maillard peptide. ... South China University Of Technology

02/01/18 / #the present invention belongs to the technical field of optoelectronic devices, and discloses an electron transport layer material and its application. this material has the following structure:

South China University Of Technology

. . ... South China University Of Technology

02/01/18 / #20180034156

Dual-band filtering antenna array using filtering antenna elements for mutual coupling suppression

A filtering antenna element and a dual-band filtering antenna array using filtering antenna elements for mutual coupling suppression have been disclosed. The filtering antenna element comprises a feeding element, a sub-substrate, a sup-substrate and an air gap between the sub-substrate and the sup-substrate. ... South China University Of Technology

01/18/18 / #20180017324

Method and device for freeze-drying drug liposomes powder assisted by variable-frequency alternating-current electric field

The present invention discloses a method for freeze-drying drug liposomes powder assisted by a variable-frequency alternating-current electric field, which includes the following steps: (1) preparing a drug-liposome suspension sample; (2) dehydrating the sample under a 1-10 khz, 3-10 kv high-voltage alternating current; (3) freezing and drying the sample treated in step (2) at −20° c. To −40° c., under a 10-25 khz, 0.2-1 kv high-voltage alternating current, until completion of the freezing process; and (4) heating and drying the sample in a vacuum until completion of sublimation and desorption, and obtaining the drug liposomes freeze-dried powder. ... South China University Of Technology

12/14/17 / #20170358392

Wireless power transfer coil system using offset of electric and magnetic coupling for frequency splitting suppression

A wireless power transfer coil system using offset of electric and magnetic coupling for frequency splitting suppression, which includes one transmitting coil, one receiving coil and four loaded annular metal sheets, is provided. A first annular metal sheet and a second annular metal sheets of the four loaded annular metal sheets are loaded between the transmitting coil and a third and a fourth annular metal sheets of the four loaded annular metal sheets are loaded between the receiving coil to expand a variable distance range of a power transmission. ... South China University Of Technology

12/14/17 / #20170355600

Camg2-based alloy hydride material for hydrolysis production of hydrogen, preparation method therefor and use thereof

Provided are a camg2-based alloy hydride material for hydrolysis production of hydrogen, a preparation method therefor and a use thereof. The material has a general formula of camgxmyhz, wherein m is ni, co or fe, 1.5≦x<2.0, 0<y≦0.5, and 3≦z<6. ... South China University Of Technology

12/07/17 / #20170349427

Frequency variable fuel vapor recovery control system and method for fuel dispenser with self-calibrated vapor liquid ratio

A fuel vapor recovery control system includes a controller, a recovery electrical motor, a fuel vapor switching valve, a fuel vapor recovery pump, a fuel tank, a fueling pump, a fuel gun, and a temperature sensor connected in sequence. A fueling flowmeter is arranged on a fueling pipeline, in signal connection with the controller, the recovery electrical motor and the fuel vapor recovery pump in sequence. ... South China University Of Technology

12/07/17 / #20170348699

Application method and device for cold field plasma discharge assisted high energy ball milled powder

The present invention provides an application method for cold field plasma discharge assisted high energy ball milled powder and a plasma assisted high energy ball milling device using the method for cold field plasma high energy ball milled powder. The present invention generates plasma by using dielectric barrier discharge and introducing a dielectric barrier discharge electrode bar into a high-speed vibrating ball milling tank, which requires that, on one hand, a solid insulation medium on the outer layer of the electrode bar can simultaneously bear high-voltage discharge and mechanical shock failure of the grinding ball, and on the other hand, the high-speed vibrating ball milling device can uniformly process the powder. ... South China University Of Technology

11/30/17 / #20170343095

Line gear mechanism having variable transmission ratio

The present invention is a variable-ratio line gear mechanism. The mechanism forms a transmission pair consisting of a driving line gear and a driven line gear, of which axes intersect at an arbitrary angle. ... South China University Of Technology

10/12/17 / #20170294717

Dual-polarized filtering antenna with high selectivity and low cross polarization

A dual-polarized filtering antenna comprising a driven patch, a parasitic stacked patch and a feeding network is disclosed. Two orthogonal h-shaped feeding lines are coupled to the driven patch for realizing dual polarization. ... South China University Of Technology

09/07/17 / #20170254083

Seismic steel tubular column with internal local restraint and filled with high strengthen compound concrete containing normal-strength demolished concrete lumps and construction process of such column

A seismic steel tubular column with internal local restraint and filled with high strengthen compound concrete containing normal-strength demolished concrete lumps, and a construction process. The seismic column includes a steel tube (1), high-strength fresh concrete (2), normal-strength demolished concrete lumps (3), horizontal stirrups (4), and longitudinal erection bars (5). ... South China University Of Technology

09/07/17 / #20170253552

Methods for preparing phenolic branched chain alkyl fatty acids or esters thereof and methods for killing microorganisms

Disclosed are methods for preparing phenolic branched chain fatty acids or alkyl esters thereof, involving subjecting in a pressurized container (a) at least one phenolic compound, (b) unsaturated fatty acids having 6 to 25 carbon atoms, alkyl esters thereof, or mixtures thereof, and (c) h-ferrierite zeolite catalyst in the presence of distilled water or alcohol and a nitrogen atmosphere at a temperature of about 100° c. To about 400° c. ... South China University Of Technology

09/07/17 / #20170253526

Axial compression steel tubular column with internal local restraint and filled with high strengthen compound concrete containing normal-strength demolished concrete lumps and construction process of such column

An axial compression steel tubular column with internal local restraint and filled with high strengthen compound concrete containing normal-strength demolished concrete lumps and a construction process. The axial compression column includes a steel tube (1), high-strength fresh concrete (2), normal-strength demolished concrete lumps (3), a spiral stirrup (4), and longitudinal erection bars (6). ... South China University Of Technology

08/03/17 / #20170222807

Hypersphere-based multivariable public key encryption/decryption system and method

Disclosed is a hypersphere-based multivariable public key encryption/decryption system, which is composed of an encryption module and a decryption module, wherein the encryption module comprises a processor, and a public key transformation component for transforming plaintext into ciphertext; and the decryption module comprises a processor, a first affine transformation inversion component, a trapdoor component and a second affine transformation inversion component, wherein the trapdoor component comprises a linear equation system construction component and a linear equation system solving component. All components execute corresponding operations, so that a set of data is obtained finally, and the set of data is stored and output as decrypted plaintext; and if the decryption module does not produce data, the processor outputs warning information about a decryption failure to a user. ... South China University Of Technology

06/29/17 / #20170185680

Chinese website classification method and system based on characteristic analysis of website homepage

Disclosed are a chinese website classification method and system based on characteristic analysis of a website homepage. The method specifically comprises the following steps: s1, crawling website content; s2, labeling a website type; s3, extracting website information; s4, calculating a weight and representing the weight in the form of a characteristic vector; and s5, classifying the website by comparing the characteristic vector. ... South China University Of Technology

06/15/17 / #20170170208

Metal oxide semiconductor thin film, thin film transistor, and their fabricating methods, and display apparatus

A metal oxide semiconductor thin film, a thin film transistor (tft), methods for fabricating the metal oxide semiconductor thin film and the tft, and a display apparatus are provided. In some embodiments, the metal oxide semiconductor comprises: a first metal element, a second metal element and a third metal element, wherein: the first metal element is at least one of scandium, yttrium, aluminum, indium, and a rare earth element; the second metal element is at least one of calcium, strontium, and barium; and the third metal element is at least one of titanium and tin.. ... South China University Of Technology

06/08/17 / #20170163353

Adaptive rls decision feedback equaliing system and implementation method thereof

Disclosed are an adaptive rls decision feedback equalizing system, characterized by comprising: an error code cross-correlation module, an equalization module, a decision feedback unit, a coefficient updating unit and an autocorrelation estimation module. Also disclosed are an implementation method of the adaptive rls decision feedback equalizing system, comprising the following steps: 1) setting an initial value of c0 for a filtering coefficient; 2) generating a filtering output signal yk; 3) computing an error code cross-correlation result ik; 4) updating the filtering coefficient ck−1 to ck; 5) updating an autocorrelation inverse matrix estimation result pk−1 to pk according to a forget constant factor w and an equalizer input signal sequence rk; 6) repeating step 2) to step 5), until the equalizer coefficient converges. ... South China University Of Technology

06/08/17 / #20170160068

Precision-positioning drive pre-tightening device

Disclosed is a precision-positioning drive end pre-tightening device, which comprises a positioning platform (6), an actuator (14), a capacitive sensor (4), a capacitive sensor bracket (3), a pre-tightening block (12) and a film force sensor (13), wherein a sliding groove is provided in the middle of the positioning platform (6), and said pre-tightening block (12), said film force sensor (13) and said actuator (14) are provided in the sliding groove in sequence; the capacitive sensor bracket (3) is fixed on the positioning platform (6), and three connecting rods (3-1) which are connected in sequence via compliant hinges are axially provided at one end of the bracket body of the capacitive sensor bracket (3); an end surface of the capacitive sensor (4) and an upper side surface of the pre-tightening block (12) are parallel to each other, and a gap exists therebetween; and a two-stage pre-tightening device for pre-tightening the pre-tightening block (12) are also provided on the positioning platform (6). The technical means of the device is simple and easy, and the device can satisfy the requirements in related fields of precision positioning, precision and ultra-precision machining, precision operating, precision measurement, micro-electro-mechanical system, etc. ... South China University Of Technology

06/01/17 / #20170154905

Thin film transistor and preparation method thereof, array substrate, and display panel

This disclosure provides a thin film transistor and the preparation method thereof, an array substrate, and a display panel, so as to solve the problem that the active layer is prone to be corroded when a metal oxide thin film transistor is produced by a back channel etching process. The preparation method comprises: forming a gate electrode metal thin film on a base substrate, and allowing the gate electrode metal thin film to form a gate electrode metal layer comprising a gate electrode by a patterning process; forming a gate electrode insulating layer on the gate electrode metal layer; forming an active layer on the gate electrode insulating layer; preparing a metal nanoparticle layer on the active layer, said metal nanoparticle layer being used as an etching protection layer; forming a source and drain electrode metal thin film on the base substrate on which the above processes are finished, and allowing the source and drain electrode metal thin film to form a source and drain electrode metal layer comprising a source electrode and a drain electrode by a patterning process, wherein the source electrode and the drain electrode cover a part of the metal nanoparticle layer; removing or oxidizing the part of the metal nanoparticle layer which is not covered by the source electrode and the drain electrode in an oxygen-containing atmosphere; and forming a passivation layer on the source and drain electrode metal layer.. ... South China University Of Technology

05/18/17 / #20170141193

Thin film transistor, array substrate, their manufacturing methods, and display device

The present disclosure provides a tft, an array substrate, their manufacturing method, and a display device. The method for manufacturing the tft includes a step of forming a pattern of a semiconductor active layer on a transparent substrate through a patterning process, and the pattern of the semiconductor active layer includes a lanthanum boride pattern.. ... South China University Of Technology

05/18/17 / #20170137917

Novel alloy material with high strength and toughness and its fabrication method of semi-solid sintering

The present invention belongs to the technical field of the preparation of alloy materials, and discloses a high strength and toughness alloy material, a method for preparing the alloy material by semi-solid sintering, and application thereof. The preparation method comprises the three steps of mixing powders, preparing alloy powders by high-energy ball milling, and semi-solid sintering of alloy powders, the key point lies in the two-step sintering, wherein the temperature is heated to less than the initial melting temperature of the lowest-temperature melting peak of the alloy powder, under the sintering pressure conditions, and carried out a sintering densification treatment; after pressure release, the temperature is heated to the sintering temperature ts, and maintained at the same temperature, and a semi-solid processing is carried out, with a sintering temperature ts: ts≧the initial melting temperature of the lowest-temperature melting peak of the alloy powder, ts≦the initial melting temperature of the highest-temperature melting peak of the alloy powder. ... South China University Of Technology

04/06/17 / #disclosed is an intelligent wheel chair control method based on a brain computer interface and an automatic driving technology. the method comprises the following steps: acquiring current pictures by webcams to perform obstacle localization; generating candidate destinations and waypoints for path planning according to the current obstacle information; performing self-localization of the wheel chair; selecting a destination by a user through the brain computer interface (bci); planning an optimal path according to the current position of the wheel chair as a starting point and the destination selected by the user as an end point in combination with the waypoints; calculating a position error between the current position of the wheel chair and the optimal path as the feedback of a

South China University Of Technology

. . ... South China University Of Technology

03/16/17 / #20170077307

Oxide semiconductor thin film, thin film transistor, manufacturing method and device

This disclosure discloses an oxide semiconductor thin film, a thin film transistor, a manufacturing method and a device, belonging to the field of flat panel display. The oxide semiconductor thin film is made of an oxide containing zirconium and indium. ... South China University Of Technology

03/09/17 / #20170070348

System and method of mixed multivariate digital signature

A system of mixed multivariate digital signature is disclosed. The system includes a signature module configured to sign a message to be signed, and a verification module configured to verify a signature. ... South China University Of Technology

02/23/17 / #20170053031

Information forecast and acquisition method based on webpage link parameter analysis

The present invention discloses an information prediction and crawling method based on a webpage link parameter analysis, comprising the following sequence of steps: calculating statistical parameter features of webpage links, calculating distribution patterns of outlinks contained in webpages, classifying the webpages according to the distribution patterns of the outlinks of the webpages, performing a sampling prediction on webpage resources, performing an crawling test on prediction samples, and performing an overall prediction on the webpage resources. According to the method of the present invention, the deficiencies of the traditional webpages crawling mode are effectively supplemented, the quantity of link resources to be crawled is expanded, a great number of undiscovered webpage resources are predicted by means of the known webpage resource features, and the speed and coverage rate of the webpage information crawling is improved.. ... South China University Of Technology

02/16/17 / #20170044789

Variable-rigidity seismic-isolation layer rigidity control mechanism suitable for structural seismic isolation and wind resistance

The present invention discloses a stiffness control mechanism of a variable stiffness earthquake-isolation layer adapted to structural earthquake isolation and wind resistance, which comprises an upper flange plate connected to an upper structure, a lower flange plate connected to a base structure at the bottom, a pin key provided between hollow portions of the upper and lower flange plates, with the pin key movable up and down between the hollow portions of the upper and lower flange plates and the height of the pin key greater than the distance between the upper and lower flange plates, and a control means for fixing the pin key or controlling the pin key to move downward. The stiffness control mechanism of the earthquake-isolation layer of the present invention can automatically change stiffness of the earthquake-isolation layer, both effectively wind resistant and effectively earthquake resistant.. ... South China University Of Technology

02/16/17 / #20170044763

Rigidity-controllable seismic-isolation support utilizing gravitational negative rigidity

The present invention discloses a stiffness-controllable earthquake-isolation support using negative gravity stiffness, which comprises an upper plate connected to an upper structure, a lower plate connected to a base structure at the bottom, k supporting columns arranged longitudinally between the upper and lower plates, with the supporting columns respectively connected with the upper and lower plates through a ball hinge, and l elastic connecting plates arranged laterally between the supporting columns, wherein k≧3, l≧n×k and n≧1. The mechanical motion mechanism of the present invention composed of the earthquake-isolation support, the supporting column and the ball hinges at both ends of the supporting column forms, under the action of gravity of the upper structure, the negative gravity stiffness that causes the upper structure to deviate from the equilibrium position, and the frame structure consisting of the connecting plates between the supporting columns forms the positive stiffness that restores the upper structure to the equilibrium position, with the stiffness of the earthquake-isolation support adjustable by adjusting the connecting plate, thus allowing the seismic energy to be effectively isolated.. ... South China University Of Technology

01/19/17 / #20170014967

Intelligent grinding device for short pulse electrical melt chip removal cooling

An intelligent grinding device for short pulse electrical melt chip removal cooling, includes a diamond grinding wheel, a pulse power supply, a force meter sensor, thermocouple in a hole of work piece for measuring machining temperature, a voltage sensor, a current sensor, a temperature collecting card, a charge amplifier, a force meter, a digital oscilloscope and a discharge parameter feedback adjustment system. The pulse power supply has a positive pole connecting with the grinding wheel, and a negative pole connecting with the work piece. ... South China University Of Technology








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