Patent application number | Description | Published |
20080209215 | Method of Physical Authentication and an Electronic Device - The present invention relates to a method of physical authentication and an electronic device for implementing the method. According to the method of the present invention, using an operation control list stored in an electronic device, a valid user authenticates the operation implemented by the electronic device in a physical mode, by which a binding relationship is established between a valid user and the electronic device. The establishment of the binding relationship resolves not only the problem of identity authentication and exchange authentication in network exchange but also that of anti-virus of data storage device, thus the security of the user data is ensured. The method of the present invention comprises setting a corresponding relationship between the operation command and a physical authentication mode and using the physical authentication mode to implement an authentication when the operation command is performed. The electronic device comprises a microprocessor, an operation communication interface, a smartcard chip and an authentication implementing mechanism. | 08-28-2008 |
20090121898 | Wlan-Based No-Stop Electronic Toll Collection System and the Implementation Thereof - A no-stop electronic toll collection (ETC) system based on WLAN is disclosed in the present invention. The system includes an on-board equipment, roadside equipments, a multiple access carriageway control system and a toll balance center. The communication is implemented between the on-board equipment and the roadside equipments according to the demand determined by the wireless local network protocol. The system offered in the present invention applies several technology means to effectively overcome the technology prejudice that the WLAN technology is not suitable for the ETC system. Compared with the existing technology, the present ETC system has the advantages of low cost, high efficiency, complete function and good performance index, therefore the present invention is very meaningful for the application and extension of the ETC system and the improvement of the industrial technology. | 05-14-2009 |
20100325243 | METHOD AND A SYSTEM FOR REALIZING THE INTERACTIVE INFORMATION THROUGH THE MULTIMEDIA - A method and system for realizing the interactive information through the multimedia are used to solve the problem in the prior art that it can not access the server through the multimedia advertisement. The applied method includes: A. user terminal parses and plays the multimedia file, which contains the interactive information carrying the communication sign (S | 12-23-2010 |
20140076615 | ARRAY SUBSTRATE AND MASK PLATE - Embodiments of the disclosed technology provide an array substrate. The array substrate comprises: a plurality of electrode patterns with a predetermined shape being subsequently arranged in a predetermined direction, every two adjacent electrode patterns having a slit therebetween; a preset width of all or a part of the plurality of electrode patterns in the predetermined direction is different from a standard width of electrode pattern. The embodiments of the invention further provide a mask plate. | 03-20-2014 |
Patent application number | Description | Published |
20090155958 | ROBUST DIE BONDING PROCESS FOR LED DIES - Systems and methods are provided to mitigate excess die attachment material accrual, and parasitic conductive paths formed thereby. A die attachment material (e.g., solder) is melted using a combination of localized heat sources and ultrasonic energy. The heat sources bring the die attachment material close to its melting point, which reduces an amount of bonding force associated with purely ultrasonic bonding techniques. An ultrasonic transducer brings the die attachment material the rest of the way up to its melting point, which reduces the overall temperature that the die and/or sensitive components thereon endure during the bonding process. | 06-18-2009 |
20090230497 | Pin Diode Structure with Zinc Diffusion Region - A PIN photodiode having a substrate, a first type electrode layer disposed on the substrate, a first layer of intrinsic material disposed over a portion of the first-type electrode layer, a first type window layer disposed over said intrinsic layer. An island shaped region of intrinsic material is disposed over the window layer and a dielectric layer disposed over the island region and at least the peripheral portion of said island shaped region whereby an opening is formed in the island shaped region. A dopant is diffused through the opening so as to form a PN junction that extends into the first layer of intrinsic material. | 09-17-2009 |
20100181584 | LASER LIFT-OFF WITH IMPROVED LIGHT EXTRACTION - A light emitting device includes a stack of semiconductor layers defining a light emitting pn junction and a dielectric layer disposed over the stack of semiconductor layers. The dielectric layer has a refractive index substantially matching a refractive index of the stack of semiconductor layers. The dielectric layer has a principal surface distal from the stack of semiconductor layers. The distal principal surface includes patterning, roughening, or texturing configured to promote extraction of light generated in the stack of semiconductor layers. | 07-22-2010 |
20110278644 | GROUP III-NITRIDE ENHANCEMENT MODE FIELD EFFECT DEVICES AND FABRICATION METHODS - Structures and fabrication processes are described for group III-nitride enhancement mode field effect devices in which a two-dimensional electron gas is present at or near the interface between a pair of active layers that include a group III-nitride barrier layer and a group III-nitride semiconductor layer. The barrier layer has a band gap wider than the band gap of the adjacent underlying semiconductor layer. The two-dimensional electron gas is induced by providing one or more layers disposed over the barrier layer. A gate electrode is in direct contact with the barrier layer. Ohmic contacts for source and drain electrodes are in direct contact either with the barrier layer or with a semiconductor nitride layer disposed over the barrier layer. | 11-17-2011 |
Patent application number | Description | Published |
20100184953 | STABLE LIPID-COMPRISING DRUG DELIVERY COMPLEXES AND METHODS FOR THEIR PRODUCTION - Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications. | 07-22-2010 |
20120178702 | STABLE LIPID-COMPRISING DRUG DELIVERY COMPLEXES AND METHODS FOR THEIR PRODUCTION - Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications. | 07-12-2012 |
20130281382 | STABLE LIPID-COMPRISING DRUG DELIVERY COMPLEXES AND METHODS FOR THEIR PRODUCTION - Novel stable, concentrated, biologically active and ready-to-use lipid-comprising drug delivery complexes and methods for their production are described. The biological activity of the complexes produced are comparable to the formulations prepared according to the prior art admixture method and upon purification, the complexes produced by the method of this invention are 50 to 500 fold more concentrated than the complexes formed by admixture. The method described herein provides for the large scale production of lipid-comprising drug delivery systems useful for gene therapy and other applications. | 10-24-2013 |
Patent application number | Description | Published |
20110296996 | FREE RADICAL INJECTION IONIZER FOR FLUE GAS TREATMENT WITH CORONA DISCHARGE - A free radical injection ionizer for flue gas treatment with corona discharge comprises an injection device for releasing free radical source substances and an electrode device for producing corona, wherein the injection device and the electrode device are arranged separately, wherein the electrode device comprises a conductive pole, and discharge tips arranged on the upper and lower sides of the conductive pole at equal intervals, and the injection device comprises nozzles symmetrically arranged on two sides of the electrode device, and two lines of holes axially arranged on the walls of the nozzles nearby the electrode device, the axial lines of the holes directing the discharge tips nearest the holes. | 12-08-2011 |
20130068285 | METHOD AND DEVICE FOR TWO-STAGE SOLAR CONCENTRATION AND SPECTRUM SPLITTING BASED ON DISH CONCENTRATION - The present invention discloses a method and device for two-stage solar concentration and a spectrum splitting dish reflector based on dish concentration. A parabolic dish reflector is provided with a central light hole. A CPV panel and a solar-to-heat receiver are positioned at the two sides of the axial line of dish reflector, respectively, under the light hole. A splitting lens is placed at a certain distance from the apex of dish reflector over the light hole. The splitting film is applied to the curved surface of the lens near the parabolic dish, as a spectrum splitting surface. The curved surface of the lens far from the parabolic dish is covered by silver, as a reflecting surface. A supporting structure is provided between the dish reflector and the splitting lens. The whole system with a dual-axis tracking system is placed on the foundation of a support. The present invention can simultaneously realize solar energy concentration and spectrum splitting, to obtain two concentrated spots of different spectrums under the system, which can effectively reduce energy consumption of tracking system and improve system balance and wind resistance. The present invention can adjust the concentration ratio of two beams individually to satisfy the optimal concentrating intensity needed by the CPV panel and the solar-to-heat receiver. | 03-21-2013 |
20130209678 | METHOD FOR PREPARING A POROUS ANTI-REFLECTION THIN FILM COMPOSED OF HOLLOW POLYMERIC NANOPARTICLES - A method for preparing a porous anti-reflective thin film composed of hollow polymer nano-particles is provided in the following steps: Firstly, an aqueous dispersion having mass percent of 3-7% is prepared using polymer nano-capsules. A thin film comprising polymer nano-capsules is formed by spin coating on one side or both sides of the substrate using a spin coater. The thin film comprising polymer nano-capsules is dried in vacuum at high temperature. After the core materials of the polymer nano-capsules evaporate completely, the polymer nano-capsules turn into hollow polymer nano-particles, and a porous anti-reflective thin film composed of hollow polymer nano-particles is prepared. The thickness and refractive index of the thin film are adjusted conveniently and effectively by changing the concentration of polymer nano-capsules aqueous dispersion and the hollow volume rate of the polymer nano-particles. The thin film has the advantages of high mechanical intensity and abrasion resistance. | 08-15-2013 |
20140303280 | POLY((METH)ACRYLIC ACID-B-STYRENE-B-BUTADIENE-B-STYRENE) BLOCK COPOLYMER LATEX AND METHOD FOR PREPARING THE SAME - The present invention discloses a poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and a method for preparing the same. The poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex is directly and stably obtained by emulsion polymerization in the presence of an amphiphilic macromolecule reversible addition fragmentation chain transfer agent as both chain transfer agent and reactive emulsifier. The present invention has simple operation, and the process is environmentally friendly and energy-saving, the product poly ((meth) acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex has a good prospect in many fields, such as bitumen modification, adhesives, polymer toughening and the like. | 10-09-2014 |
20150126667 | BLOCK COPOLYMER COMPRISING A BLOCK WITH GLASS TRANSITION TEMPERATURE HIGHER THAN 100.degree.C AND METHOD FOR PREPARING THE SAME - The present invention discloses a block copolymer comprising a block with glass transition temperature higher than 100° C. and a method for preparing the same. In the method, latex of a block copolymer is prepared by taking n-butyl acrylate as a soft block, random copolymer of styrene and γ-methyl-α-methylene-γ-butyrolactone as a hard block, utilizing emulsion polymerization system and reversible addition fragmentation chain transfer radical polymerization technology. The method utilizes an amphiphilic macromolecule reversible addition fragmentation chain transfer agent has dual function of both chain transfer agent and emulsifier, thus can achieve good control of monomer polymerization and avoid the use of traditional emulsifier; the reaction has no polymerization inhibition period, has fast reaction rate and high final conversion; colloidal particles can stably grow; product has a hard block with glass transition temperature up to 155° C., and thus has a good application prospect in the field of high heat resistance thermoplastic elastomer. | 05-07-2015 |
Patent application number | Description | Published |
20120074497 | ESD PROTECTION STRUCTURE - A device used as an ESD protection structure, which is a modified N-type LDMOS device is disclosed. A conventional LDMOS includes only one N-type heavily doped region as a drain in an N-type lightly doped region ( | 03-29-2012 |
20130282323 | Visual dynamic monitoring system for operating states of protective relay system - A visual dynamic monitoring system for operating states of a protective relay system, which is applied to a computer based relay includes: collecting information of a voltage input circuit & a current input circuit and internal hardware & software of protection relay, as well as a tripping and closing circuit, to obtain real-time informations completely reflecting operating states of the protective relay system; analytically calculating the real-time information mentioned above according to the designed protection principle, forming logical relations having a time sequential characteristic among the real-time information with a result by the analytically calculating; and dynamically displaying the operating states of the protective relay system, so as to providing a supporting data for implementing an evaluation of the operating states of the protective relay system. | 10-24-2013 |
20140253229 | BASK DEMODULATOR AND METHOD FOR DEMODULATING BASK MODULATED SIGNAL - A BASK demodulator includes a signal modifying circuit and a low pass filter (LPF) that couples an amplifier to an output of the modifying circuit. The modifying circuit includes a signal scaling circuit, a rectifying circuit and an AC coupling circuit. A signal shaping circuit couples an output of the amplifier to an output of the demodulator. The signal scaling circuit scales an input BASK modulated signal to provide an unclipped scaled and biased alternating signal that alternates about a bias voltage at a minimum carrier frequency. The rectifying circuit rectifies the unclipped signal to provide a partially rectified signal that is decoupled by the AC coupling circuit to provide a clipped scaled and biased alternating signal. The LPF removes the signal from the clipped scaled and biased alternating signal to provide a demodulated signal, which then is amplified by the amplifier and shaped by the shaping circuit. | 09-11-2014 |
20150061577 | WIRELESS POWER TRANSMITTERS WITH WIDE INPUT VOLTAGE RANGE AND METHODS OF THEIR OPERATION - The embodiments described herein provide a power transmitter for wireless charging of an electronic device and methods of its operation. The power transmitter uses an inverter configured to generate a square wave from a potentially wide ranging DC input voltage. The inverter is configured to generate the square wave with a duty cycle that results in a desired equivalent voltage output, effectively independent of the DC input voltage that is provided. Thus, by generating a square wave with a selectable duty cycle the inverter provides the ability to facilitate wireless power transfer with a wide range of DC input voltages. Furthermore, in some embodiments the power transmitter may provide improved power transfer efficiency using a quasi-resonant phase shift control strategy with adjustable dead time and a matching network that is dynamically selectable to more effectively couple with the transmitter coil combination being used to transmit power to the electronic device. | 03-05-2015 |
Patent application number | Description | Published |
20120154003 | SPUR REDUCTION TECHNIQUE FOR SAMPLING PLL'S - Control circuitry and method of controlling for a sampling phase lock loop (PLL). By controlling the duty cycle of a sampling control signal, in accordance with the PLL reference and output signals, spurious output signals from the sampling PLL being controlled can be reduced. | 06-21-2012 |
20120276857 | FREQUENCY MULTIPLICATION USING SELF-MIXING - Frequency multipliers having corresponding methods and multifunction radios comprise: N multipliers, wherein N is an integer greater than one; wherein the multipliers are connected in series such that each of the multipliers, except for a first one of the multipliers, is configured to mix a periodic input signal with an output of another respective one of the multipliers; wherein the first one of the multipliers is configured to mix the periodic input signal with the periodic input signal. | 11-01-2012 |
20130006539 | MEASUREMENT OF COMPOSITION FOR THIN FILMS - The present invention includes generating a three-dimensional design of experiment (DOE) for a plurality of semiconductor wafers, a first dimension of the DOE being a relative amount of a first component of the thin film, a second dimension of the DOE being a relative amount of a second component of the thin film, a third dimension of the DOE being a thickness of the thin film, acquiring a spectrum for each of the wafers, generating a set of optical dispersion data by extracting a real component (n) and an imaginary component (k) of the complex index of refraction for each of the acquired spectrum, identifying one or more systematic features of the set of optical dispersion data; and generating a multi-component Bruggeman effective medium approximation (BEMA) model utilizing the identified one or more systematic features of the set of optical dispersion data. | 01-03-2013 |
20130083320 | High Throughput Thin Film Characterization And Defect Detection - Methods and systems for determining band structure characteristics of high-k dielectric films deposited over a substrate based on spectral response data are presented. High throughput spectrometers are utilized to quickly measure semiconductor wafers early in the manufacturing process. Optical dispersion metrics are determined based on the spectral data. Band structure characteristics such as band gap, band edge, and defects are determined based on optical dispersion metric values. In some embodiments a band structure characteristic is determined by curve fitting and interpolation of dispersion metric values. In some other embodiments, band structure characteristics are determined by regression of a selected dispersion model. In some examples, band structure characteristics indicative of band broadening of high-k dielectric films are also determined. The electrical performance of finished wafers is estimated based on the band structure characteristics identified early in the manufacturing process. | 04-04-2013 |
20130271229 | METHOD AND APPARATUS FOR LOCAL OSCILLATOR - Aspects of the disclosure provide a local oscillator (LO) circuit that includes a first phase locked loop (PLL) circuit and a second PLL. The first PLL circuit is configured to generate a first oscillation signal having a first frequency based on a reference signal having a reference frequency. The second PLL circuit is configured to receive the first oscillation signal and generate a second oscillation signal having a second frequency based on the first oscillation signal. | 10-17-2013 |