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Duan, Shanghai
Binghua Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110107020 | HIBERNATION SOLUTION FOR EMBEDDED DEVICES AND SYSTEMS - An embedded device is hibernated by storing state data of the embedded device to a non-volatile data storage medium, and powering off the embedded device. The embedded device is later woken up in response to the detection of a wakeup event from a wakeup source. The state data stored in the RAM of the embedded device comprises data in one or more registers of a Central Processing Unit (CPU) of the embedded device, one or more registers of a system-on-chip (SOC) of the embedded device, and the system and applications code and data. Waking the embedded device comprises loading, from the non-volatile data storage medium, initial memory sections that are used to run a kernel of the embedded device. State data that is stored in the RAM of a system may be compressed by dividing the RAM into a plurality of sections and independently choosing, for each section in the plurality of sections, a corresponding compression arithmetic. | 05-05-2011 |
Chenggang Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20100142948 | FRAMER/MAPPER/MULTIPLEXOR DEVICE WITH 1+1 AND EQUIPMENT PROTECTION - In one embodiment, the present invention is a framer/mapper/multiplexor (FMM) device that can simultaneously (i) send protection copies of both its working incoming high-speed (e.g., STS-12) signal and incoming low-speed signals to a protection FMM device, and (ii) receive corresponding protection signals from the protection FMM device. Furthermore, the FMM device can select between working and protection signals at a switching level (e.g., STS-1) lower than the high-speed level, allowing for 1+1 APS/MSP protection and equipment protection at the board level, the device level, and at the STS-1 level. Yet further, four or more FMM devices can be configured so that all FMM devices can communicate with their corresponding protection FMM devices using a single, shared, 4-pin link (e.g., quad-OC-3 mode), and still select between working and protection signals at the switching level (e.g., STS-1). | 06-10-2010 |
Cheng Gang Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20090046741 | Synchronous Transport Signal Mapper with Payload Extraction and Insertion Functionality - In a communication system comprising a mapper or other type of physical layer device coupled to a link layer device, the physical layer device comprises payload extraction circuitry and payload insertion circuitry. The payload extraction circuitry is configured to extract a payload from an ingress synchronous transport signal received over an ingress link, and the payload insertion circuitry is configured to insert a payload received from the link layer device into an egress synchronous transport signal for transmission over an egress link. The payload extracted from the ingress synchronous transport signal is transmitted by the physical layer device to the link layer device over an output serial data line of a serial interface, and the payload inserted into the egress synchronous transport signal is received by the physical layer device from the link layer device over an input serial data line of the serial interface. | 02-19-2009 |
| 20090115596 | In-Band Communication of Alarm Status Information in a Synchronous Transport Communication System - Techniques are disclosed for in-band communication of alarm status information or other information between physical layer devices comprising a working device and a protection device in a network-based communication system. In one aspect, a protection receive signal is monitored in the protection device for the presence of alarm status information. The protection device encodes alarm status information extracted from the protection receive signal, and inserts the encoded alarm status information into one or more designated portions of a protection loop-back signal supplied from the protection device to the working device. The protection loop-back signal is monitored in the working device and the encoded alarm status information therein is decoded and utilized by the working device to initiate a protection switching operation. | 05-07-2009 |
| 20100221001 | METHODS AND APPARATUS FOR SYSTEM FRAMING SYNCHRONIZATION CONTROL FOR A FRAMER/MAPPER/MULTIPLEXOR DEVICE WITH 1+1 AND EQUIPMENT PROTECTION - Methods and apparatus are provided for framing synchronization control for a framer/mapper/multiplexor (FMM) device with 1+1 and equipment protection. FMM device are disclosed that synchronize one or more internal signals by changing a phase of the one or more internal signals without changing a frequency of the one or more internal signals based on a desired phase at a destination of each of the one or more internal signals. A programmable synchronization signal may optionally be employed for the synchronization. | 09-02-2010 |
| 20100329122 | Received Information Monitor Adaptive to Multiple Monitoring Modes in a Communication Device - An apparatus for monitoring of received information in a communication device comprises a first buffer having a plurality of storage elements adapted to store respective portions of the received information, a second buffer coupled to the first buffer and having a plurality of storage elements corresponding to respective ones of the storage elements of the first buffer, and controller circuitry coupled to the buffers and operative to detect a message sequence comprising a plurality of the portions of the received information. The second buffer stores a previously-detected message sequence loaded from the first buffer into the second buffer under control of the controller circuitry. The controller circuitry in detecting a current message sequence is configurable in at least first and second different monitoring modes each associated with a different message format. The monitoring mode of the controller circuitry may be adaptively configured based at least in part on a detected message sequence. | 12-30-2010 |
| 20100329673 | Method and Apparatus for Signal Formation with Guaranteed Consistent Overhead Insertion - A communication device comprises a signal combiner, first storage elements, second storage elements and a controller. The signal combiner is configured to combine overhead information with additional information in forming a frame of a signal. The first storage elements are adapted to receive respective portions of a given block of the overhead information to be applied to the signal combiner, and the second storage elements are coupled between respective ones of the first storage elements and respective inputs of the signal combiner. The controller is operative to monitor a count of portions of the frame as the frame is formed by the signal combiner and to control loading of the portions of the given block of the overhead information into the second storage elements from the first storage elements responsive to the monitored count. The disclosed techniques for guaranteed consistent overhead insertion can be implemented in any type of communication system which utilizes overhead insertion in its framing operations. | 12-30-2010 |
Chuanxue Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20100205984 | Integrated Refrigerating/Freezing System and Defrost Method - A medium and low-temperature integrated refrigeration/freezing system ( | 08-19-2010 |
| 20100212350 | Medium- and Low-Temperature Integrated Refrigerating/Freezing System - A medium- and low-temperature integrated refrigerating/freezing system ( | 08-26-2010 |
Gang Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20090317872 | ACID FUNGAL PROTEASE IN FERMENTATION OF INSOLUBLE STARCH SUBSTRATES - The invention is directed to methods of producing ethanol and decreasing residual starch production in a no cook fermentation comprising contacting granular starch containing substrates with a granular starch hydrolyzing enzyme, a protease, and a fermenting microorganism under suitable fermentation conditions at a temperature below the starch gelatinization temperature of the starch substrate to produce ethanol, wherein the ethanol production is increased and the amount of residual starch is decreased compared to a substantially similar method conducted without the protease. | 12-24-2009 |
| 20100056472 | GRAIN COMPOSITIONS CONTAINING PRE-BIOTIC ISOMALTO-OLIGOSACCHARIDES AND METHODS OF MAKING AND USING SAME - Methods for the production of substrate, tuber, and grain compositions containing isomalto-oligosaccharides are described. The methods comprise (a) contacting a substrate, tuber or grain containing ungelatinized starch with a maltogenic enzyme and a starch liquefying enzyme to produce maltose; (b) contacting said maltose with a transglucosidic enzyme, wherein said steps (a) and step (b) occur at a temperature less than or at a starch gelatinization temperature; and (c) obtaining a substrate, grain or tuber composition having an enzymatically produced isomalto-oligosaccharide, wherein the oligosaccharide is derived from the grain. The maltogenic enzyme can be either exogenous or endogenous to the grain. The contacting steps can be sequential or concurrent. The present invention also describes flour, oral rehydrating solutions, beer adjuncts, food, feed, beverage additives incorporating the grain compositions made as described. | 03-04-2010 |
| 20100278970 | TRICHODERMA REESEI ALPHA-AMYLASE ENHANCES SACCHARIFICATION OF CORN STARCH - A maltogenic α-amylase from | 11-04-2010 |
| 20110097765 | ENHANCED FERMENTATION PROCESS USING MOLASSES - Described herein are compositions and methods for enhanced fermentation of molasses using transglucosidase. | 04-28-2011 |
| 20110124070 | PROCESS FOR ALCOHOL AND CO-PRODUCT PRODUCTION FROM GRAIN SORGHUM - Described herein are methods for producing alcohol and particularly ethanol from milled sorghum. | 05-26-2011 |
| 20120034659 | NEUTRAL pH SACCHARIFICATION AND FERMENTATION - Embodiments of the present disclosure relate to a process for producing downstream products, such as fermentable sugars and end products, from a starch substrate by saccharification and/or fermentation. The saccharification is effectively catalyzed by a glucoamylase at a pH in the range of 5.0 to 8.0. At a pH of 6.0 or above, the glucoamylase possesses at least 50% activity relative to its maximum activity. The saccharification and fermentation may be performed as a simultaneous saccharification and fermentation (SSF) process. | 02-09-2012 |
| 20120045812 | PRODUCTION OF ISOPRENE UNDER NEUTRAL pH CONDITIONS - Embodiments of the present disclosure relate to a process for producing isoprene from a starch substrate by saccharification and/or fermentation. The saccharification is effectively catalyzed by a glucoamylase at a pH in the range of 5.0 to 8.0. At a pH of 6.0 or above, the glucoamylase possesses at least 50% activity relative to its maximum activity. The saccharification and fermentation may be performed as a simultaneous saccharification and fermentation (SSF) process. | 02-23-2012 |
Jeff Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20090118292 | CYTOKINE INHIBITORS - A compound of Formula I: | 05-07-2009 |
Jianhua Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110122659 | POWER TRANSISTOR DRIVING CIRCUITS AND METHODS FOR SWITCHING MODE POWER SUPPLIES - A power supply controller is provided for providing a drive current to a control terminal of a power transistor in three time intervals. The controller includes control circuits configured to control the drive current in multiple stages. During a first time interval, first drive current includes a current spike for turning on the power transistor in response to a start of the control signal pulse. During a second time interval, a second drive current includes a ramping current substantially proportional to a magnitude of a current through the power transistor. During a third time interval, current flow to the power transistor is at least partially turned off before an end of the control signal pulse. | 05-26-2011 |
| 20120056548 | CIRCUIT AND METHOD FOR DRIVING LED LAMP WITH A DIMMER - A system for driving an LED (light-emitting diode) lamp includes a dimmer circuit coupled to a line input voltage for varying a magnitude of an input voltage and a transformer having a primary winding, a secondary winding, and one or more auxiliary windings, the primary winding coupled to the dimmer circuit. The system also includes an output rectifying circuit coupled to the secondary winding for providing an output current to the LED lamp and a power switch coupled to the primary winding for controlling a current flow in the primary winding. The system further includes a controller having a comparator and a capacitor for providing a control signal to control the power switch for regulating the output current. The controller coupled to the dimmer circuit for receiving an average input voltage signal from the dimmer circuit, wherein the control signal is characterized by a duty cycle that is determined by a ratio of a charging current to a discharging current of the capacitor, and the ratio is related to the average input voltage signal from the dimmer circuit. | 03-08-2012 |
Jian-Hua Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20100103705 | SHORT CIRCUIT PROTECTION CIRCUIT FOR A PULSE WIDTH MODULATION (PWM) UNIT - A short circuit protection circuit for a pulse width modulation (PWM) unit which includes a PWM logic control circuit, an under voltage lookout (UVLO) circuit and an internal clock circuit; wherein the UVLO circuit detecting a bias power (Vcc) and delivering an UVLO signal when the bias power is judged excessively low, the PWM unit further comprising: a short circuit detector, a short circuit recovery circuit and a frequency multiplexer. The short circuit detector is to detect the UVLO signal and generate a short signal. The short circuit recovery circuit to set a pre-determined recovery time and generate a recovery signal when the pre-determined recovery time ends. The frequency multiplexer which is triggered by the short signal when the short circuit event occurs to change a switching frequency to a short PWM frequency, and triggered by the recovery signal to restore the switching frequency. | 04-29-2010 |
| 20100110735 | POWER ADAPTER WITH VOLTAGE-STABILIZED COMPENSATION - A power adapter with voltage-stabilized compensation includes a pulse frequency modulation circuit to generate a driving pulse which has a variable OFF time interval to control power transformed and output by a transformer. The power adapter also has an ancillary coil to induce a feedback signal on the secondary coil of the transformer. The pulse frequency modulation circuit includes a time interval modulation unit to receive the feedback signal and a feedback compensation unit. The time interval modulation unit sets a level voltage compared with the feedback signal to generate a sample signal to modulate the OFF time interval. The feedback compensation unit provides a compensation signal to the time interval modulation unit to change the size of the feedback signal or sample signal thereby to compensate the voltage output from the secondary side. | 05-06-2010 |
Jifeng Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20080255172 | PYRIMIDINE DERIVATIVES - A compound of the following formula: | 10-16-2008 |
| 20090117209 | ANDROGRAPHIS PANICULATA EXTRACT - An extract of | 05-07-2009 |
| 20090281130 | QUINAZOLINE DERIVATIVES - Quinazoline derivatives of the following formula: | 11-12-2009 |
| 20110015213 | QUINAZOLINE DERIVATIVES - Quinazoline derivatives of the following formula: | 01-20-2011 |
Jun Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110249766 | METHOD FOR FRAME AGGREGATION IN MOBILE COMMUNICATION SYSTEM - A staggered frame aggregating method for multi-band time-division duplex mobile communication system. By relatively shifting the frame in each frequency band in turn, a new frame configuration is formed by aggregating and it is used for transmitting and receiving data, and it makes the frames in different bands stagger in time. | 10-13-2011 |
Lei Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20100327314 | Insulated Gate Bipolar Transistor (IGBT) Collector Formed with Ge/A1 and Production Method - This invention discloses an IGBT device with its collector formed with Ge/Al and associated method of fabrication. The collector is formed on the substrate layer, which is on the back of IGBT, and contains Ge and Al thin films. After thinning and etching the back side of IGBT substrate, Ge and Al are sequentially deposited to form Ge/Al thin films on the back surface of the substrate. An annealing process is then carried out to diffuse Al into Ge thin film layer to form a P-doped Ge layer functioning as the IGBT collector. The present invention is applicable to both non punch through IGBTs as well as punch through IGBTs. | 12-30-2010 |
| 20110294262 | SEMICONDUCTOR PACKAGE PROCESS WITH IMPROVED DIE ATTACH METHOD FOR ULTRATHIN CHIPS - A semiconductor packaging process with improved die attach method for ultrathin chips package comprises the steps of providing a semiconductor wafer having a wafer frontside and a wafer backside with a plurality of integrated circuit chips (IC chips) formed on the wafer frontside; adhering a supporting substrate onto the wafer frontside through a bonding layer to form a wafer combo; grinding the wafer backside with the supporting substrate and the wafer bonded together; dicing the wafer combo into a plurality of die combos each comprising a substrate piece stacked on top of an IC chip bonded by a bonding layer piece; attaching a die combo onto a die pad of a lead frame with a bottom of the IC chip connected to the lead frame thereof; and removing the substrate piece with the bonding layer piece from the top surface of the IC chip. | 12-01-2011 |
Wei Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110287673 | HIGH CONDUCTIVITY ENERGY-SAVING CLAMPING DEVICE - The high conductivity energy-saving clamping device comprises a clamp and a cable fixed upon the clamp. Inside the cable, the conductive material protrudes and is set on the juncture of the clamp and the external conductor. When the clamp is connected to the external conductor, the conductive material and the external conductor contact and meet. This invention possesses the following advantages: it simplifies the production technology, lessens raw materials needed for production and hence saves resources and cost by the direct contact of the conductive material and the external conductor; moreover, due to the increase of conductive contact area, it enhances the electrical conductivity by 10% to 15% compared to those common clamps which use tooth-like conductive parts to connect the external conductor. Meanwhile, the invention greatly decreases environmental pollution by omitting the plating process of tooth-like conductive parts. | 11-24-2011 |
Yong Hong Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20110239049 | Computer Data Protection Lock - An information handling system includes a lock, a switch, and a south bridge. The lock is configured to receive a key and to alternate between a locked position and an unlocked position. The switch is in communication with the lock. The switch is configured to receive a signal from the lock, to close if the lock is in the locked position, and to open if the lock is in the unlocked position. The south bridge is in communication with the switch. The south bridge is configured to disable a plurality of communication ports of the information handling system when the switch is closed, and configured to enable the communication ports when the switch is opened. | 09-29-2011 |
Yuhong Duan, Shanghai CN
| Patent application number | Description | Published |
|---|---|---|
| 20120120854 | METHOD AND SYSTEM FOR DYNAMIC ADJUSTMENT OF DOWNLINK/UPLINK ALLOCATION RATIO IN LTE/TDD SYSTEM - A method and system for dynamic adjustment of downlink/uplink resource allocation ratio in a long-term evolution (LTE) time division duplex (TDD) system is disclosed. The method includes replacing at least one uplink subframe in a subframe pattern with at least one of a mute subframe and a mute uplink pilot timeslot (UpPTS), within a geographical guard area that isolates at least two areas having different TDD allocation patterns. The method further includes scheduling an uplink transmission from at least one mobile terminal such that the at least one of the mute subframe and the mute UpPTS are unused. A simple solution or a TDD configuration index substitution solution, or any combination thereof, may be used to control the uplink transmission involving a mute subframe or a mute UpPTS. | 05-17-2012 |