Lingli
Lingli Cai, Linhai CN
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20130281730 | PREPARATION OF 5-AMINOSALICYLIC ACID BY GAS PHASE CATALYTIC CARBOXYLATION - Disclosed is a process for preparing 5-aminosalicylic acid by gas phase catalytic carboxylation, characterized in that carbon dioxide is introduced into a system of p-acetaminophenol and a basic compound at a temperature of 150° C.˜220° C. and a pressure of 0.5˜5.0 MPa in the presence of a catalyst, so as to carry out a gas phase catalytic carboxylation reaction to form a 5-aminosalicylate, and the crude product 5-aminosalicylate is separated, and then acidified to prepare 5-aminosalicylic acid (5-ASA). Since the gas phase catalytic reaction replaces a solid phase thermo-chemical reaction, the reaction is significantly improved in terms of the process flow, reaction conditions, product quality and energy consumption. In addition, the reaction has a short reaction time, good selectivity, high yield and no formation of wastes during the reaction, and is suitable for industrial production. | 10-24-2013 |
Lingli Jiang, Shenzhen CN
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20130117432 | METHOD AND DEVICE FOR DESKTOP SHARING PROCESSING - An embodiment of the present invention provides a method for desktop sharing processing, comprising: receiving a sharing maintenance instruction; acquiring contents in a currently shared region according to said sharing maintenance instruction, and storing the contents, in order to provide the stored contents to other clients as shared contents. An embodiment of the present invention also provides a device for desktop sharing processing. With the present application, a sharing host is able to provide shared contents to participants constantly without being affected by the operations such as switching between windows during the conference sharing. | 05-09-2013 |
Lingli Li, Shaanxi CN
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20150211626 | Transmission Operating Mechanism - A transmission operating mechanism includes an operating housing, wherein an inner shifting shaft is provided in the operating housing, and the operating housing is provided with, from left to right, a first position-limiting structure installation hole, a shifting block installation cavity, a second position-limiting structure installation hole and a balancing spring installation cavity; and a shifting block is installed in the shifting block installation cavity and is connected to the inner shifting shaft via a shifting block positioning pin. According to the present application, the spatial position of the operating housing is fully utilized to effectively arrange each functional component, and the requirement for modification is fully considered within the limited dimensional range, therefore, various operation modes may be achieved by simply providing several modified parts without changing the operating housing. | 07-30-2015 |
Lingli Ni, Zhejiang CN
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20150133576 | RADIATION RADICALLY AND CATIONICALLY CURABLE COMPOSITION, AND METHOD FOR PREPARING A HYBRID SOL-GEL LAYER ON A SURFACE OF A SUBSTRATE USING SAID COMPOSITION - Radiation curable composition for preparing a hybrid sol-gel layer on a surface of a substrate, wherein said composition comprises at least one radically radiation curable material; at least one non-reactive organofunctional silane; at least one reactive organofunctional silane; at least one cationic photoinitiator; and at least one radical photoinitiator. | 05-14-2015 |
20150159039 | RADIATION CURABLE COMPOSITION, AND METHOD FOR PREPARING A HYBRID SOL-GEL LAYER ON A SURFACE OF A SUBSTRATE USING SAID COMPOSITION - Radiation curable composition for preparing a hybrid sol-gel layer on a surface of a substrate, wherein said composition comprises at least one radiation material capable of being polymerized and/or crosslinked by a cationic polymerization reaction upon exposure to a radiation; a combination of at least one organofunctional silane; and of at least one other silane selected from among the group consisting of poly(alkoxy siloxane), 3-glycidyloxypropyltrimethoxysilane (GPTMS), 2-(3,4-epoxycyclohexylethyltrimethoxysilane (TRIMO); and at least one cationic photoinitiator. | 06-11-2015 |
Lingli Zhang, Sammimish, WA US
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20150186165 | EMULATING POINTERS - The present invention extends to methods, systems, and computer program products for emulating pointers. Pointers can be emulated by replacing the pointers with a variable offset pair and replacing each dereference site with a switch on the tag and a switch body that executes the emulated pointer access on the corresponding variable the pointer points to. Data flow optimizations can be used to reduce the number of switches and/or reduce the number of cases which need be considered at each emulated pointer access sites. | 07-02-2015 |
Lingli Zhang, Austin, TX US
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20130181523 | Chip Level Integration of a Boosted Class-D Amplifier and Integrated LED Flash Driver - A single integrated circuit includes a single boost converter, a first circuit, a second circuit, and a controller. The single boost converter supplies power to the first and second circuits. The controller receives an operational mode signal and in response to the operational mode signal, drives the single boost converter to respectively provide power to the first and second circuits. When the first and second circuits are simultaneously active, the controller manages an operation of the first circuit so that proper operation of the second circuit is maintained. The first circuit may be an LED flash driver, and the second circuit may be an audio amplifier, such as a Class-D audio amplifier. The controller manages an operation of the audio amplifier so that a sufficient amount of current is supplied to the LED flash driver for proper operation of the LED flash driver. | 07-18-2013 |
20140266109 | SYSTEMS AND METHODS FOR REDUCING VOLTAGE RINGING IN A POWER CONVERTER - In accordance with embodiments of the present disclosure, systems and methods may include an input configured to indicate a switching node voltage of a switching node of a power converter comprising a first switch device coupled at its non-gate terminals between a ground voltage and the switching node and a second switch device coupled at its non-gate terminals between an output supply node and the switching node. The systems and methods may also include a predriver circuit coupled to the input and a gate terminal of the first switch device, the predriver circuit configured to drive an input voltage signal to the gate terminal of the first switch device and configured to select an effective impedance of the gate terminal of the first switch device based on the input. | 09-18-2014 |
20140266126 | SYSTEMS AND METHODS FOR EDGE CONTROL IN A SWITCHED OUTPUT STAGE - In accordance with embodiments of the present disclosure, systems and methods may include a switch coupled at its gate terminal to an input signal voltage, the input signal voltage for controlling a gate voltage of a gate terminal of a driver device coupled at its non-gate terminals between a rail voltage and an output node. The systems and methods may also include a diode having a first terminal and a second terminal, the diode coupled to a non-gate terminal of the switch such that when the switch is enabled, the first terminal is electrically coupled to the gate terminal of the driver device and the second terminal is electrically coupled to the output node. | 09-18-2014 |
20140266310 | SYSTEMS AND METHODS FOR EDGE CONTROL BASED ON DETECTING CURRENT DIRECTION IN A SWITCHED OUTPUT STAGE - In accordance with these and other embodiments of the present disclosure, an apparatus and a method may include receiving a first input configured to indicate an output voltage of an output node of a switched output stage comprising a pull-down driver device coupled at its non-gate terminals between a ground voltage and the output node and a pull-up driver device coupled at its non-gate terminals between a supply voltage and the output node. The method may also include receiving a second input configured to indicate a gate voltage of a gate terminal of a first one of the pull-up driver device and the pull-down driver device. The method may further include detecting direction of an output current flowing into or out of the output node based on the first input and the second input. | 09-18-2014 |
20140294206 | ASYMMETRICALLY-SWITCHED MODULATION SCHEME - An asymmetric modulation scheme may be used to drive two output nodes coupled to a load. The asymmetric modulation scheme may be one-sided such that the switching rate of a first output node is lower than the switching rate of a second output node. The first output node may be switched only to change a direction of current between the first output node and the second output node, while the second output node is switched to convey the information of an input signal. The asymmetric modulation scheme may be used to drive a speaker to reduce noise at the first output node to improve accuracy of current monitoring through the speaker by a current monitor coupled at the first output node. | 10-02-2014 |
20140340158 | REDUCING KICKBACK CURRENT TO POWER SUPPLY DURING CHARGE PUMP MODE TRANSITIONS - Kickback current from a charge pump to a power management integrated circuit (PMIC) may be reduced by dissipating charge from fly and hold capacitors during mode transitions. A switch may be placed in series between the charge pump and the PMIC to disconnect the charge pump and prevent kickback current from reaching the PMIC. Further, additional loads, as switches, may be coupled to the charge pump outputs to dissipate charge from the fly and hold capacitors. Additionally, a closed feedback loop may be used to monitor and discharge excess charge from the fly and hold capacitors during mode transitions. Furthermore, charge may be redistributed between the fly and hold capacitors during mode transitions to reduce the time period of the transition. | 11-20-2014 |
Lingli Zhou, Shenzhen CN
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20150268103 | TEMPERATURE MEASUREMENT AND CALIBRATION CIRCUIT, PASSIVE RADIO FREQUENCY IDENTIFICATION TAG AND METHOD FOR MEASURING TEMPERATURE - The present invention relates to the field of radio frequency identification, in particular to a temperature measurement and calibration circuit and a passive radio frequency identification tag. Meanwhile, the present invention further relates to a method for performing temperature measurement by using the tag. The temperature measurement and calibration circuit of the tag generates an upper reference voltage value limit and a lower reference voltage value limit, which do not change with temperature, then calibrates the upper reference voltage value limit and the lower reference voltage value limit to a uniform upper voltage value limit and a uniform lower voltage value limit, and eliminates the problem of different reference voltages of tags due to the power supply voltage fluctuation and process deviation. Meanwhile, a temperature measurement voltage generator circuit of the tag generates a calibration voltage value under a uniform calibration temperature. After the calibration voltage value is subjected to translational calibration, the calibration voltage values of the tags to be measured are equal, so that the consistency of temperature values of different tags is ensured. The circuit and tag provided by the present invention may be widely applied to ambient temperature detection, animal temperature detection, cold chain temperature detection or other fields, and have high accuracy of measurement. | 09-24-2015 |