Fei Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: A voice coil motor includes a base, a housing, a lower-resilient member, a lens frame, a coil, a magnet, an upper-resilient member, an upper cover plate, and a pin arranged on the base. The lower-resilient member, the lens frame, the coil, the magnet, the upper-resilient member, and the upper cover plate are arranged in sequence between the base and the housing. The lens frame and the coil are integrally formed. The coil surrounds an outer surface of the lens frame.
Abstract: A service authorization method includes receiving, by a server from a client, a request requesting an access token, where the request includes slice information, performing, by the server, authentication on the client, adding, by the server, the slice information to the access token, and sending, by the server, a response message to the client when the client is authenticated, where the response message comprises the access token.
Abstract: The present disclosure provides a preamble configuration method on an unlicensed carrier, which includes: PRACH configuration information. The PRACH configuration information includes sub-frame location information, CCA interval location information for a channel idle estimation, a channel detection mechanism, preamble format information and preamble sending location information; the sub-frame location information representing a sub-frame number of a sub-frame in which a preamble to be sent is located, the CCA interval location information representing a location on the sub-frame or on a previous sub-frame of the sub-frame, the CCA interval occupying at most N symbols at a head or at an end of the sub-frame, the preamble format information representing that the preamble is a format 0 preamble, the preamble sending location information representing a sending location of the format 0 preamble to be sent on the sub-frame. Control signaling carrying the PRACH configuration information to user equipment is sent.
Abstract: A web page clustering method and device, used for clustering web pages according to a web page framework, the method including: acquiring uniform resource locators (URL) of a plurality of web pages to be clustered; for the URL of each web page to be clustered, determining rewriting rules of the URL and classifying the URL according to the rewriting rules of the URL; determining a web page framework of the web page corresponding to each URL in each URL class, and determining whether each URL may be clustered according to the web page framework of the web page corresponding to each URL; and retaining the URL class if each URL may be clustered.
November 24, 2017
Date of Patent:
June 1, 2021
NSFOCUS INFORMATION TECHNOLOGY CO., LTD., NSFOCUS TECHNOLOGIES, INC.
Yangyang Guo, Shaobin Liu, Fei Li, Hu Li, Lijun Liu
Abstract: The present disclosure provides a low-energy-consumption in-situ extraction system for lunar rare gas and an extraction method. The system includes a screening device, a grinding device and a heating device. The method includes: a. using a robot arm to collect lunar soil and put into the screening device, and screening lunar soil with a particle size below 100 ?m; b. adding and grinding screened lunar soil in the grinding device; c. adding and heating ground lunar soil in the heating device to 150-250° C., and releasing rare gases adsorbed. The present disclosure uses screening, grinding combined with traditional heating methods to achieve low power consumption in extracting rare gases on the surface of the moon, and extraction power consumption is only 10-30% of the power consumption of hot-melt extraction at 900° C. in the prior art, which is beneficial to promote the lunar resource utilization.
November 25, 2020
May 27, 2021
Fei Su, Huaiyu He, Ranran Liu, Ziheng Liu, Jiannan Li
Abstract: A vehicle clustering method includes: acquiring vehicle dynamic information, the vehicle dynamic information including vehicle positions and vehicle speeds; clustering vehicles based on the vehicle dynamic information; calculating, based on the vehicle dynamic information, a link reliability and a link stability of the vehicles in a cluster; calculating, based on the link reliability and the link stability, a selection priority index for a cluster head; and selecting a vehicle with a largest selection priority index in the cluster as a cluster head.
Abstract: A method for evaluating performance of a speech enhancement algorithm includes: acquiring a first speech signal including noise and a second speech signal including noise, wherein the first speech signal is acquired from a near-end audio acquisition device close to a sound source, the second speech signal is acquired from a far-end audio acquisition device far from the sound source, and the near-end audio acquisition device is closer to the sound source than the far-end audio acquisition device; acquiring a pseudo-pure speech signal based on the first speech signal and the second speech signal, as a reference speech signal; enhancing the second speech signal by using a preset speech enhancement algorithm, to obtain a denoised speech signal to be tested; and acquiring a correlation coefficient between the reference speech signal and the speech signal to be tested, for evaluating the speech enhancement algorithm.
Abstract: The present disclosure relates to devices and methods for detecting and removing vapor for an imaging acquisition device. A device for detecting and removing vapor may include a first light guide. The first light guide may include a first end to receive a light beam, and a second end to output the light beam at a predetermined angle with respect to a reference plane, so that when the light beam enters a target light transmission media from the first light guide, the light beam substantially perfectly reflects between a first surface and a second surface of the target light transmission media. The first surface and second surface may substantially parallel to the reference plane.
Abstract: Systems and methods for providing key-value based filesystem operations are disclosed. In one embodiment, the method comprises receiving at least one file operation from an application, the file operation including a file path and a requested operation; generating a key-value operation based on the file operation, the key-value operation including a key including the file path; executing the key-value operation at a key-value storage engine; receiving, from the key-value storage engine, a result of the key-value operation; generating a result value based on the result of the key-value operation; and returning the result value to the application.
Abstract: One embodiment provides methods to identify known and unknown gene fusions by creating a cDNA circle and analyzing the circle cDNA by amplification or sequencing. The circle cDNA is created in two approaches: 1) reverse transcribe a target RNA to cDNA, ligate the 3?end of the cDNA to its 5? end to form a circle cDNA, or 2). ligate the 3? end of target RNA to its 5? end to form a circle RNA, reverse transcribe the RNA to a cDNA, and ligate the cDNA to form a circle cDNA. The circle cDNA is amplified using a primer designed from a known sequence of a wild type target gene by rolling circle amplification or PCR methods. The known or unknown fusion gene sequences in the circle cDNA are amplified and identified by sequencing analysis.
Abstract: The compound of formula (I) has a good inhibitory effect on the proliferation of human prostate cancer cells CWR22RV1 and breast cancer cells; and combined use of the compound with an androgen receptor inhibitor HC-1119 significantly enhances the inhibitory effect on prostate cancer cells, and the inhibitory effect increases with increased concentration. The compound of formula (I) can not only be used independently to prepare an antineoplastic agent but can also be used in combination with other agents having antineoplastic effects, such as an androgen receptor inhibitor, or other targeting drugs etc., to prepare an antineoplastic agent having stronger therapeutic effects, especially an agent for treating prostate cancer and breast cancer.
Abstract: A display substrate, a manufacturing method of the display substrate and a display device are provided. The display substrate includes a plurality of sub-pixels arranged in an array in a display area. The display area includes a boundary extending in non-straight line. The plurality of sub-pixels arranged in the array include a plurality of first sub-pixels whose distances to the boundary extending in non-straight line are less than a preset threshold and a plurality of second sub-pixels other than the plurality of first sub-pixels, where at least one of the first sub-pixels is smaller in area than each of the second sub-pixels.
April 17, 2019
May 20, 2021
Lei Lv, Bo Han, Fei Xu, Jie Gao, Jun Hong, Jiuyang Zhu, Mingwei Zhang, JIngyong Li, Chunmin Xu
Abstract: A light source device, includes an excitation light source for generating excitation light, a light condensing device, and a fluorescent cavity. The fluorescent cavity includes a chamber and a fluorescent layer, the chamber having a light window for allowing light to enter and exit and a bottom wall opposite to the light window. The fluorescent layer is provided on the surface of the bottom wall. The excitation light is concentrated by the light condensing device, and then is incident from the light window to the surface of the fluorescent layer to form a light spot and excite the fluorescent layer to generate a laser.
Abstract: A projection device, comprising a light source device and a control device. The light source device is configured to, according to instructions, emit laser light of first primary color, second primary color, third primary color, and a fourth mixed color fluorescence, respectively. The control device is configured to determine a color gamut range of pixels of an image to be modulated, and transmit the instructions according to the color gamut range to control the light source device to output light required for modulation of the image to be modulated from the laser light of first primary color laser, second primary color, third primary color, and fourth mixed color fluorescence, respectively. The device and method are capable of modulating an image with a wide color gamut, and also save light source energy.
Abstract: A method for training a classification model includes: performing training on the classification model using first and second sample sets, to calculate a classification loss; extracting a weight vector and a feature vector of each sample; calculating a mean weight vector and a mean feature vector of all samples in the first sample set; calculating a weight loss based on a difference of the weight vector of each sample in the second sample set from the mean weight vector, and calculating a feature loss based on a difference of a feature vector of each sample in the second sample set from the mean feature vector; calculating a total loss of the classification model based on the classification loss and at least one of the feature loss and the weight loss; and adjusting a parameter of the classification model until a predetermined condition is satisfied.
Abstract: The present disclosure provides a data transmission method, a terminal, and a network side device. The data transmission method includes: before an air interface signaling connection is established, sending a data message carrying state transition data to a network side device; receiving a response message returned by the network side device in response to the data message, a data transmission indication included in the response message; when the data transmission indication indicates transmitting, sending an uplink data packet to the network side device.
Abstract: A lead-acid battery includes a container and an intermediate cover. The container comprises six pole groups in linear arrangement in a longitudinal direction. Two of the pole groups on a farthest edge are provided with pole posts penetrating through the intermediate cover. The intermediate cover is fixed with two connection terminals. Each of the connection terminals comprise a first connecting part connected to the pole post and a second connecting part connected to an external wire. The two connection terminals are provided on a side of the intermediate cover in a width direction of thereof, and the second connecting part is led out from a side surface of the intermediate cover. One of the connection terminals is directly connected to one of the pole posts, and the other one of the connection terminals is connected to another one of the pole posts via an adapted cable.
Abstract: An information processing device and method, and a device for classifying with a model are provided. The information processing device includes a first training unit being configured to train a first model using a first training sample set, to obtain a trained first model; a second training unit being configured to train the trained first model using a second training sample set while maintaining a predetermined portion of characteristics of the trained first model, to obtain a trained second model, and a third training unit being configured to train a third model using the second training sample set while causing a difference between classification performances of the trained second model and the third model to be within a first predetermined range, to obtain a trained third model as a final model.
Abstract: Embodiments of the present disclosure provide a display panel, a method of manufacturing the display panel, and a display apparatus. The display panel comprises: a display substrate and a packaging cover plate opposite to each other; a plurality of connection lines disposed at intervals on an edge of the display substrate; a plurality of insulating partitions on the display substrate, at least a portion of each of the insulating partitions being disposed between two adjacent ones of the connection lines, the display substrate, the packaging cover plate and every two adjacent ones of the insulating partitions defining an accommodation space together, and at least one of the connection lines being located in one of the accommodation spaces; and conductive fillers respectively filled in the accommodation spaces, and each covering at least a portion of a surface of a corresponding one of the connection lines.
Abstract: A display system and method are provided. The display system includes a light source device, an optical processing assembly, a reflection device, a light modulator and a controller. The light source device is configured to emit a plurality of light beams; the optical processing assembly is configured to perform a light path adjustment on each light beam from the light source device in such a manner that the light beam irradiates on the reflection device at a preset light-cone angle; the reflection device is configured to reflect the light beams from the optical processing assembly to the light modulator; the controller is connected to the light source device and the light modulator, and is configured to control a light emission state of the light source device; and the light modulator is configured to modulate the light beams through respective controllable units, so as to emit desired display light.