Huang, Chengdu
Guangsu Huang, Chengdu CN
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20110178257 | NOVEL OIL DISPLACEMENT AGENT AND PROCESS FOR PREPARING THE SAME - The present invention relates to a new type of oil displacement agent and the process for preparing the same. The oil displacement agent is formed of a polyaclylamide-based polymer characterized by a partly crosslinked and partly branched structure, wherein said polyacrylamide-based polymer is obtained by aqueous copolymerization of acrylamide and N,N-dimethylaminoethyl methacrylate as a functional monomer, in the presence of a redox initiator system. | 07-21-2011 |
Haiquan Huang, Chengdu CN
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20080317099 | Method and apparatus for signal carrier-to-noise power density ratio caculation - There is provided an apparatus for determining a carrier-to-noise power density ratio (CN | 12-25-2008 |
20080317101 | Method and apparatus for detecting lock status of a GPS signal - An apparatus for detecting lock status of a spread spectrum signal, having a first accumulator, a first calculation unit, a second calculation unit, a second accumulator, a multiplier and a comparator. The first accumulator accumulates an in-phase integration result and a quadrature integration result over a time period. The first calculation unit determines a first evaluation value based on the accumulated in-phase integration result and the accumulated quadrature integration result. The second calculation unit processes the in-phase integration result and the quadrature integration result. The second accumulator accumulates the output of the second calculation unit over the time period. The multiplier determines a second evaluation value by multiplying the accumulated result from the second accumulator with a predetermined value. The comparator compares the first and second evaluation results wherein the comparison result is an indicator of the lock status. | 12-25-2008 |
20090295634 | Global positioning system receiver - A GPS receiver includes a demodulator for obtaining ephemeris data and almanac data from a navigation message sent by satellites, and includes a calculator. The calculator is used for calculating almanac correction parameters according to coordinate differences between ephemeris-based coordinates of the satellites and almanac-based coordinates of the satellites. The GPS receiver also includes a satellite position calculator for calculating the ephemeris-based coordinates of the satellites according to the ephemeris data, for calculating the almanac-based coordinates of the satellites according to the almanac data, and for calculating positions of the satellites according to the ephemeris data, the almanac data and the almanac correction parameters. | 12-03-2009 |
20100039322 | Signal Acquisition Systems With Applications Of General Clocks - A global positioning system (GPS) system includes a clock module for providing multiple counter values at multiple time points. The GPS system also includes a system module coupled to the clock module. The system module is capable of obtaining a time value for each time point according to a set of signals from a signal source. The system module is further capable of calculating a set of parameters based on the counter values and the time value for each time point, and determining an estimated time value based on the parameters and a present counter value from the clock module. | 02-18-2010 |
20100332126 | INERTIAL NAVIGATION SYSTEM WITH ERROR CORRECTION BASED ON NAVIGATION MAP - An inertial navigation system with error correction based on a navigation map is disclosed herein. The inertial navigation system can include a trajectory calculator for calculating a position and an orientation of a moving object based on moving information of the moving object, an error correcting unit coupled to the trajectory calculator for correcting the position and the orientation of the moving object based on reference road information, and a storage unit coupled to the error correcting unit for storing geographical information of a road network and providing the reference road information according to the geographical information of the road network. | 12-30-2010 |
Haiyang Huang, Chengdu CN
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20150065145 | INTERFERENCE SUPPRESSION IN A WIRELESS COMMUNICATION NETWORK - An interference suppression method, base station and controlling node of the base station are disclosed. In the method, the controlling node informs via a first control signal the base station which is broadcasting a first synchronization signal containing a first cell identity (ID) and a first reference signal, of broadcasting a second synchronization signal containing a second cell ID and a second reference signal. The controlling node then informs via a second control signal the base station of adjusting signal powers of the first reference signal and the second reference signal to trigger a handover from the first cell ID to the second cell ID. | 03-05-2015 |
Jianlin Huang, Chengdu CN
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20120020355 | DATA SWITCHING METHOD AND DEVICE - The embodiments of the present invention discloses a data switching method and a switching device, which relates to network technologies. The method is easy to implement, and saves system resources. In unicast switching, resource used for cells reordering at the egress is greatly reduced; in multicast switching, the scheduling is easy and the data pass rate is high. The data switching method includes: receiving a switching request for switching a cell; arbitrating the switching request and obtaining an arbitration result; and performing corresponding switching for the cell, where the switching includes unicast switching and multicast switching, according to the arbitration result. | 01-26-2012 |
Junwei Huang, Chengdu CN
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20110043288 | Rail-to-rail Miller compensation method without feed forward path - A rail-to-rail Miller compensation method without feed forward path includes forming a first compensation branch including a first amplifier, wherein an input of the first amplifier is electrically connected with an output of a second stage gain amplifier, the second stage gain amplifier is electrically connected the first stage gain amplifier in series forming an operational amplifier; and forming a second compensation branch including a second amplifier, wherein a dual relation is provided between an input stage of the first amplifier and that of the second amplifier, namely, if the input stage of the first amplifier is N-type, the input stage of the second amplifier is P-type, and vice versa. The present invention is capable of achieving the rail-to-rail output range without affecting the system stability. The N-type and P-type inputs are simultaneously applied to the input of the amplifier of the compensation branches. | 02-24-2011 |
20130003988 | POP noise suppressing circuit and its method - A POP noise suppressing circuit includes a blocking capacitor, an outputting element connected to the blocking capacitor, a current generating unit, a charging unit connected to the current generating unit, a discharging unit connected to the current generating unit, a switching unit connected to the charging unit and the discharging unit and a power amplifying unit connected between the switching unit and the blocking capacitor. The current generating unit provides two slowly increasing currents respectively to the charging unit and the discharging unit. The switching unit is for switching between the charging unit and the discharging unit. The charging unit forms a charging current. The discharging unit forms a discharging current. The voltage of the blocking capacitor increases smoothly in a process of powering on and decreases smoothly in a process of powering off. A POP noise suppressing method is also provided. | 01-03-2013 |
20130154753 | Oscillation circuit and oscillation system - An oscillation circuit includes a threshold voltage extraction module, a positive temperature coefficient voltage generation module, an addition module, a common-source amplifier module, a charge and discharge module, and a clock output terminal. The common-source amplifier module includes a first field effect transistor (FET) and a second FET. The addition module includes a first operational amplifier, a second operational amplifier, a third FET, a fourth FET, a fifth FET, a sixth FET, a first resistor, a second resistor, and a third resistor. The charge and discharge module includes a seventh FET, an eighth FET, a charge and discharge FET, a first switch, a second switch, a first comparator, a second comparator, a first nor gate and a second nor gate. An oscillation system is further provided. The oscillation circuit and the oscillation system of the present invention have simple structures and are easy to implement. | 06-20-2013 |
20130265019 | Current source circuit with temperature compensation - A current source circuit with temperature compensation includes a power supply terminal, a reference current source unit connected to the power supply terminal, a feedback control unit connected to the power supply terminal and the reference current source unit, a current source generating unit connected to the feedback control unit and a ground terminal connected to the current source generating unit. The reference current source unit is a current source connected to the power supply terminal. The feedback control unit includes a first switching element, connected to the current source, and an inverting amplifier, connected between the current source and the first switching element. The current source generating unit includes a second switching element, connected to the first switching element, the current source and the inverting amplifier, and a first resistor, connected to the first and the second switching elements and the ground terminal. | 10-10-2013 |
20140126747 | Power amplifying circuit and system - A power amplifying circuit includes: a signal input terminal, a common-mode voltage input terminal, a power tube control unit, a feedback loop, a driving unit, a first switching element, a second switching element, a low-pass filter, a speaker, a source voltage terminal, and a ground terminal, wherein the power tube control unit includes: an operational amplifier, a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch, a eighth switch, a ninth switch, a third switching element connected with the third switch and the fourth switch, a fourth switching element connected with the fifth switch and the sixth switch, and a comparator connected with the third switching element and the fourth switching element. The present invention is able to realize functions of CLASS AB amplifier and CLASS D amplifier. | 05-08-2014 |
Kaidi Huang, Chengdu CN
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20130308445 | System and Method for Network Detection and Selection - An embodiment method for network detection and selection includes receiving, by a user equipment (UE), a network detection and selection policy including a load threshold element, the UE further receiving load information element from an access network (AN), and applying the network detection and selection policy to the AN. | 11-21-2013 |
20140016569 | System and Method for Online Sign Up Provider Selection - A mobile station selects a provider such as an online sign up (OSU) provider by receiving a pre-association message including OSU selection information from a Wi-Fi network component, such as an access point in communication with the OSU provider, and sending a selection of an OSU provider in accordance with the OSU selection information to the network component. The OSU selection information excludes identification of the OSU network provider or resource, but provides other attributes to the user, such as price or service configuration. The pre-association message may be transmitted as a beacon or using ANQP. | 01-16-2014 |
20140071854 | System and Methods for Dual Mode Network Selection - Embodiments are provided for supporting network selection for dual mode user equipment that access both WiFi and 3GPP networks. The embodiments allow a UE to determine network selection for a WLAN using an Access Network Discovery and Selection Function (ANDSF) according to the UE's capability to support a HotSpot 2.0 (HS2.0) WiFi selection mechanism. In an embodiment, the ANDSF server provides the UE with network selection policy and discovery information indicating available wireless access networks to the UE. The information provided to the UE includes both information for HS2.0 capable UEs and information for non-HS2.0 capable UEs. The UE then selects the suitable information for network selection according to UE support or lack thereof for HS2.0. In another embodiment, the ANDSF receives capability information from the UE regarding support for HS2.0, and accordingly provides suitable selection policy and network discovery information to the UE. | 03-13-2014 |
20140126563 | System and Method for Common Attributes in HESSID and the Associated Queries - Mobile stations can query independent basic service set (BSS) parameters of a group of Access Points (APs) by setting a Pre-Association Message Exchange BSSID Independent (PAME-BI) bit during Wi-Fi discovery. The PAME-BI bit may be included in a Generic Advertisement Service (GAS) request to indicate that an Access Network Query Protocol (ANQP) request carried by the GAS request is querying both independent and dependent BSS parameters. In some embodiments, the PAME-BI bit is included as a field in the ANQP query, rather than the GAS request message. | 05-08-2014 |
20150078364 | System and Method for Online Sign Up Provider Selection - A mobile station selects a provider such as an online sign up (OSU) provider by receiving a pre-association message including OSU selection information from a Wi-Fi network component, such as an access point in communication with the OSU provider, and sending a selection of an OSU provider in accordance with the OSU selection information to the network component. The OSU selection information excludes identification of the OSU network provider or resource, but provides other attributes to the user, such as price or service configuration. The pre-association message may be transmitted as a beacon or using ANQP. | 03-19-2015 |
20150207774 | Method and System of APP for Obtaining MAC Address of Terminal - The invention relates to the field of communication, and particularly to a method and a system for an application (APP) to obtain a media access control (MAC) address of a terminal. The method comprises: sending a request of MAC address inquiry to an access network through a local terminal; receiving a response of MAC address inquiry returned from the access network through the local terminal, with the response of MAC address inquiry carrying MAC address information of the local terminal, the MAC address information obtained by the access network during communication between the local terminal and the access network. According to the method and the system for the APP to obtain the MAC address of the terminal of the present invention, the MAC address information of the local terminal is obtained through the access network as a third-party server, and then the APP inquiries to the access network, and lastly the access network notifies the MAC address information to the APP, which solves the problem in the prior art that the way for the APP to directly obtain the MAC address of the terminal is shielded by the operating system. | 07-23-2015 |
Kama Huang, Chengdu CN
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20150207364 | MICROWAVE ENERGY CONVERTER - A microwave energy converter, including at least one semiconductor and ohmic contact electrodes. The semiconductor acts as both a microwave receiving unit and a microwave rectifying unit of the microwave energy converter. The ohmic contact electrodes are disposed at two ends of the semiconductor along a microwave transmission direction to output direct current generated by the semiconductor. | 07-23-2015 |
Kangyong Huang, Chengdu CN
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20150063170 | Service Forwarding Method and Device - Embodiments of the present invention provide a service forwarding method and device. The method includes receiving an uplink packet of a base station that is sent by a user-end provider edge (UPE) device over a transport tunnel. The uplink packet carries an Internet Protocol (IP) address of the base station and an identifier of the transport tunnel. The method further includes establishing a mapping relationship between the IP address of the base station and the identifier of the transport tunnel according to the uplink packet, and sending a downlink service packet to the UPE device over the transport tunnel according to the mapping relationship. A destination IP address of the downlink service packet is the IP address of the base station. | 03-05-2015 |
Kun Huang, Chengdu CN
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20110206372 | METHOD, DEVICE, AND SYSTEM FOR IMPLEMENTING LR-PON - A method, device and system for implementing a long reach passive optical network (LR-PON) are provided, which solve the problem that the cost for establishing an LR-PON system is high. The method includes: receiving an uplink burst packet transmitted by an optical network unit (ONU) in a burst manner (101) , converting a burst optical signal of the uplink burst packet into a continuous optical signal, and transmitting the continuous optical signal to a receiving device (105). The present invention is applicable to an LR-PON. | 08-25-2011 |
20140133857 | Method, Device, and System for Implementing LR-PON - A method, device and system for implementing a long reach passive optical network are provided. Uplink optical burst packets are transmitted by an optical network unit. The uplink optical burst packets are converted into an electrical signal and then a continuous optical signal. The continuous optical signal is transmitted to a receiving device. | 05-15-2014 |
Long Huang, Chengdu CN
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20150183788 | XANTHINE DERIVATIVE - The present invention discloses a xanthine derivative having the structure of the following general formula (I) or a pharmaceutically acceptable salt thereof; further discloses a preparation method for the xanthine derivative or a pharmaceutically acceptable salt thereof; and further discloses the use of the xanthine derivative or a pharmaceutically acceptable salt thereof. Through experiments of DPP-IV activity inhibition experiments in vitro, impact on glucose tolerance in normal mice and impact on blood glucose in spontaneous diabetic mice, it proves that the compounds and pharmaceutically acceptable salts thereof show good DPP-IV inhibition activity, can be applied to prepare medicines for treating dipeptidyl peptidase IV-related diseases, and more particularly, can be applied to the use of medicines for treating type II diabetes or diseases of abnormal glucose tolerance. | 07-02-2015 |
Minzhi Huang, Chengdu CN
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20150155128 | Miniaturized all-metal slow-wave structure - A miniaturized all-metal slow-wave structure includes: a circular metal waveguide; and metal electric resonance units provided in the circular metal waveguide; wherein the metal electric resonance unit provided in the circular metal waveguide includes a ring-shaped electric resonance metal plate with an electron beam tunnel provided on a center thereof, and a ring plate body of the ring-shaped electric resonance metal plate has two auricle-shaped through-holes symmetrically aside an axial-section; a main body of the auricle-shaped through-hole is a ring-shaped hole, two column holes extending towards a center of a circle are provided at two ends of the ring-shaped hole; the ring-shaped electric resonance metal plates are perpendicular to an axis and are provided inside the circular metal waveguide with equal intervals therebetween, external surfaces of the ring-shaped electric resonance metal plates are mounted on an internal surface of the circular metal waveguide. | 06-04-2015 |
Nan Huang, Chengdu CN
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20130066417 | BIODEGRADABLE STENT - Degradable pure iron stent or iron alloy stent is provided. The stent is made containing 0.01 to 0.5 atom % of La, Ce or Sr. The stent is surface modified using ion implantation or plasma ion implantation to implant oxygen, nitrogen, La, Ce or Sr into the stent surface. The stent may also be manufactured by depositing a thin film of La, Ce, Sr, lanthana, ceria, strontia, iron or iron oxide onto the stent surface. The thickness of the deposited films is from 10 to 1000 nanometers with the grain size from 10 to 200 nanometers. The corrosion resistance of these stents is significantly increased, and the stents have good biocompatibility. The degradation of the stents is controllable. The stents can also provide sufficient support in blood vessel in 3-6 months after intervention and be degraded after 6 months. | 03-14-2013 |
Qiusheng Huang, Chengdu CN
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20140124213 | SLEEVE FRACTURING ASSEMBLY, DEVICE USING THE SAME AND METHOD FOR USING THE SAME - The present disclosure relates to a sleeve fracturing assembly including a composite sleeve and an opening tool. The composite sleeve and the opening tool can automatically engage with each other via teeth-shaped members arranged thereon so as to open the composite sleeve. The present disclosure further relates to a sleeve fracturing device, which includes a plurality of composite sleeves and opening tools, wherein each composite sleeve and opening tool can achieve unique engagement. The present disclosure still further relates to a method of using the sleeve fracturing device. | 05-08-2014 |
Wuhuang Huang, Chengdu CN
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20150188560 | METHOD FOR FULL-DIGITAL RANDOM SAMPLING - For the signal under acquisition which varies monotonically before and after the trigger time, a method for full-digital random sampling employs first sampled data before the trigger time and first sampled data after the trigger time to fit a curve, and obtains an intersection point of triggering level and the fitted curve, then, calculates the time interval between sampled data after the trigger time and the intersection point in the end, reconstructs the original signal, i.e. the signal under acquisition by a time interval of each acquisition. Thus, an analog trigger circuit and a time measurement circuit of conventional random sampling system can be eliminated, that simplifies the circuit design of data acquisition system and decreases its hardware complexity. Moreover, the higher sampling rate for the signal under acquisition is attained, and more waveform details are obtained. | 07-02-2015 |
Xiang Huang, Chengdu CN
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20150155128 | Miniaturized all-metal slow-wave structure - A miniaturized all-metal slow-wave structure includes: a circular metal waveguide; and metal electric resonance units provided in the circular metal waveguide; wherein the metal electric resonance unit provided in the circular metal waveguide includes a ring-shaped electric resonance metal plate with an electron beam tunnel provided on a center thereof, and a ring plate body of the ring-shaped electric resonance metal plate has two auricle-shaped through-holes symmetrically aside an axial-section; a main body of the auricle-shaped through-hole is a ring-shaped hole, two column holes extending towards a center of a circle are provided at two ends of the ring-shaped hole; the ring-shaped electric resonance metal plates are perpendicular to an axis and are provided inside the circular metal waveguide with equal intervals therebetween, external surfaces of the ring-shaped electric resonance metal plates are mounted on an internal surface of the circular metal waveguide. | 06-04-2015 |
Xiaozhen Huang, Chengdu CN
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20130055875 | Acoustic Structure Fiddle and Manufacturing Method Thereof - The present invention relates to a violin of acoustic configuration, which is different from the classic violin and a manufacturing method thereof. The violin of acoustic configuration is produced according to the rules of acoustic regularity, standard pitch data and uniform orderly reflecting surface of the violin cavity. The reflecting surface of cavity is depended on the international standard pitch data and the rule of acoustic wavelength changing. According to the configuration rules, the violin made of normal materials and technology process condition may provide better volume and tone, and provide much better performance in the standard pitch playing status. | 03-07-2013 |
Xiongbin Huang, Chengdu CN
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20150263770 | Method for Measuring Co-Channel Signal Interference, and Receiver - Embodiments of the present invention provide a method for measuring co-channel signal interference, and a receiver, where the method includes precisely obtaining, by measuring temperature and by using a stored noise figure, a signal to noise ratio of a low power signal in a case in which there is no co-channel signal interference; obtaining, by controlling a transmit power, at least one group of receive powers and signal to noise ratios of the receiver, to obtain a signal to noise ratio of the low power signal during actual operation; and calculating an interference power according to a difference between the signal to noise ratio of the low power signal in a case in which there is no co-channel interference and the signal to noise ratio of the low power signal during actual operation. | 09-17-2015 |
Xuejin Huang, Chengdu CN
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20090181448 | PERFUSION TYPE VASCULAR TISSUE BIOREACTOR WITH ROTARY AND STRETCHING FUNCTIONS - The present invention in one aspect provides a bioreactor for vascular construct that comprises a pulse-generating device with simple structure and reliable and stable pulse-generating operation. In another aspect, the present invention provides bioreactor for vascular construct that implements rotation of vascular construct and culture chamber, axial stretching of vascular construct, and duplicating pulsatile flow. | 07-16-2009 |
Yuanjun Huang, Chengdu CN
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20120170927 | Circuits, Architectures, Apparatuses, Systems, and Methods for Merging of Management and Data Signals, and for Recovery of a Management Signal - An optical and/or optoelectrical transceiver and system are disclosed that enable parallel transmission of data and management signals via an optical fiber without affecting data signal transmissions transmitted on the optical fiber. Furthermore, the present transceiver and system provide a fault diagnosis function for an optical fiber link. The transceiver and system generally comprise an interface, an intersecting transmission management unit, a driver, a management signal driving unit, an optical transmitter, an optical receiver, an amplifier, a management signal recovery unit, a management unit, and optionally, a power supply unit. | 07-05-2012 |
Zhen Huang, Chengdu CN
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20100197898 | USE OF URSOLIC ACID SAPONIN,OLEANOLIC ACID SAPONIN IN PREPARATION OF INCREASING LEUCOCYTES AND/OR PLATELET MEDICINE - The invention provides the use of ursolic acid saponin and oleanolic acid saponin of formula (I) in preparing medicaments for increasing leucocytes and/or platelets. The invention also provides a pharmaceutical composition containing the same compound. The invention utilizes the cheap and accessible ursolic acid and oleanolic acid which are widely present in natural plants as raw materials, introduces monosaccharyls or oligosaccharyls by structural modification. It is proved by pharmacological tests that the compound of formula (I) have an activity of obviously increasing leucocytes and/or platelets. | 08-05-2010 |
Zhong Huang, Chengdu CN
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20130133719 | CAM TURNTABLE, SUN-TRACKING DEVICE EQUIPPED WITH SAME AND CONTROL METHOD FOR THE DEVICE - Provided are a cam turntable ( | 05-30-2013 |
20130139867 | CONDENSING LENS, COMPOUND-EYE LENS CONDENSER, AND COMPOUND-EYE CONCENTRATING SOLAR CELL ASSEMBLY - A condensing lens, compound-eye lens condenser, and compound-eye concentrating-type solar cell assembly. The condensing lens is a convex lens that can reflect mutually parallel incident lights ( | 06-06-2013 |
20150179855 | Linear Condensation Assembly and Manufacturing Process Thereof - Provided are a linear condensation assembly and a manufacturing process therefor. The linear condensation assembly comprises a linear condensation glass panel, a sealing material layer, a solar cell and a back panel. The manufacturing process comprises: testing cell pieces in a grading manner; cutting the cell pieces; welding strip-shaped cells; and serially welding, stacking, inspecting and testing grid cell pieces ( | 06-25-2015 |
20150188484 | LINEAR DRIVE APPARATUS AND METHOD OF CONTROLLING AND USING SAME FOR SOLAR ENERGY TRACKING - Disclosed are a linear drive apparatus and a method of controlling and using same for solar-energy tracking, the apparatus comprising an outer tube ( | 07-02-2015 |