Xufang
Xufang Chen, Newak, CA US
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20130092964 | HIGHLY RELIABLE PHOTOLUMINESCENT MATERIALS HAVING A THICK AND UNIFORM TITANIUM DIOXIDE COATING - Described herein are coated photoluminescent materials and methods for preparing such coated photoluminescent materials. More particularly, provided herein are phosphors coated with titanium dioxide, methods for preparing phosphors coated with titanium dioxide, and solid-state light emitting devices which include phosphors coated with titanium dioxide. | 04-18-2013 |
Xufang Chen, Newark, CA US
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20110008678 | ELECTRODE MATERIALS FOR SECONDARY (RECHARGEABLE) ELECTROCHEMICAL CELLS AND THEIR METHOD OF PREPARATION - An electrode material for a rechargeable electrochemical cell comprises a metal phosphate of general composition M1M2PO | 01-13-2011 |
20130127332 | Coatings for Photoluminescent Materials - The teachings are generally directed to phosphors having combination coatings with multifunctional characteristics that increase the performance and/or reliability of the phosphor. The teachings include highly reliable phosphors having coatings that contain more than one inorganic component, more than one layer, more than one thicknesses, more than one combination of layers or thicknesses, a gradient-interface between components, a primer thickness or layer to inhibit or prevent leaching of phosphor components into the coatings, a sealant layer to inhibit or prevent entry of moisture or oxygen from the environment, a mixed composition layer as a sealant and multifunctional combination coatings. | 05-23-2013 |
Xufang Chen, Fremont, CA US
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20150284628 | Coatings for Photoluminescent Materials - The teachings are generally directed to phosphors having combination coatings with multifunctional characteristics that increase the performance and/or reliability of the phosphor. The teachings include highly reliable phosphors having coatings that contain more than one inorganic component, more than one layer, more than one thicknesses, more than one combination of layers or thicknesses, a gradient-interface between components, a primer thickness or layer to inhibit or prevent leaching of phosphor components into the coatings, a sealant layer to inhibit or prevent entry of moisture or oxygen from the environment, a mixed composition layer as a sealant and multifunctional combination coatings. | 10-08-2015 |
Xufang Deng, Beijing CN
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20160090365 | PREPARATION METHOD FOR AZOXYSTROBIN - Disclosed in the present invention is a preparation method of azoxystrobin having a structure as shown by formula (1), the method comprising: a) performing an etherification reaction by reacting the compound having a structure shown by formula (2) with 2-cyanophenol and/or a salt thereof under the catalysis of an azabicyclo tertiary amine compound and/or a salt thereof as the catalyst in a butyl acetate medium to obtain a butyl acetate solution containing azoxystrobin; and b) cooling the butyl acetate solution containing azoxystrobin to precipitate Azoxystrobin having a structure as shown by formula (1) from the butyl acetate solution. Using the method provided by the present invention to prepare azoxystrobin can significantly improve the yield of azoxystrobin, and can obtain azoxystrobin products having high purity. | 03-31-2016 |
Xufang Li, Beijing CN
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20130268278 | Audio Communication System, An Audio Transmitter and An Audio Receiver - An audio communication system, an audio transmitter and an audio receiver are described herein. In one aspect, the audio transmitter includes: An analog to digital converter configured to convert an analog audio signal into a digital audio signal; a digital compressor configured to compress the dynamic range of said digital audio signal; a digital modulator configured to modulate the compressed digital audio signal into a wireless communication signal; and the analog to digital converter, the digital compressor and the digital modulator are integrated in one integrated circuit. The described devices improve the compression and expansion device linearity, resulting in better match for the compressor at the transmitter and the expandor at the receiver. | 10-10-2013 |
Xufang Liu, Shenzhen CN
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20140213877 | WAVY PHYSIOLOGICAL SIGNAL COLLECTING DEVICE AND WAVY PHYSIOLOGICAL SIGNAL COLLECTING MATTRESS - The present disclosure provides a wavy physiological signal collecting device and a physiological signal collecting mattress. The device includes a wavy flexible body including a flexible body panel and a plurality of protruding flexible bodies each of which is arranged on the flexible body panel for converting a human body pressure applied thereto to a tensile force; a tensile force sensor arranged in the flexible body panel for generating an electrical signal according to the tensile force; and a signal processing unit configured for processing the electrical signal to obtain a human body physiological signal. The wavy flexible body converts the human body pressure to an electrical signal and processes the electrical signal, thereby obtaining the human body physiological signal in daily life without directly contacting human skin, allowing the physiological signal to be obtained more conveniently. | 07-31-2014 |
20140336946 | METHOD AND SYSTEM FOR OBTAINING CYCLE OF PHYSIOLOGICAL SIGNAL - The present disclosure provides a method and a system for obtaining a cycle of a physiological signal. The method includes: receiving a physiological signal value and a register value, comparing the physiological signal value with the register value, and reserving one of the physiological signal value and the register value; determining the physiological signal value with a time duration thereof reaching a given set time to be an extreme value; and restarting the procedure and determining a next extreme value; and obtaining a cycle of the physiological signal by calculating a time difference between the extreme value and the next extreme value. In the present disclosure, the cycle of the physiological signal can be obtained by the extreme value recognition algorithm, which is simple, fast, of high efficiency, and of high reliability. | 11-13-2014 |
Xufang Tian, Cranbury, NJ US
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20150284425 | Potent and Efficient Cytotoxic Peptides and Antibody-Drug Conjugates thereof and Their Synthesis - The present invention provides a family of novel cytotoxic pentapeptides, which show potent antitumor activities against several cancer lines. The antibody-drug conjugates prepared from those pentapeptides can efficiently kill cancer cells. | 10-08-2015 |
Xufang Zhao, Iii, Ontario CA
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20160118042 | SELECTIVE NOISE SUPPRESSION DURING AUTOMATIC SPEECH RECOGNITION - An automatic speech recognition engine and a method of using the engine is described. The method pertains to front-end processing an audio signal and includes the steps of: identifying a plurality of voiced-frames of the audio signal; determining that one or more of the plurality of voiced-frames have a signal-to-noise (SNR) value greater than a first predetermined threshold; and based on the determination, bypassing noise suppression for the one or more of the plurality of voiced-frames. | 04-28-2016 |