Patents by Inventor Song Chen

Song Chen 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).

  • Patent number: 11463636
    Abstract: In one example, an apparatus comprises: a plurality of photodiodes, one or more charge sensing units, one or more analog-to-digital converters (ADCs), and a controller. The controller is configured to: enable the each photodiode to generate charge in response to a different component of the incident light; transfer the charge from the plurality of photodiodes to the one or more charge sensing units to convert to voltages; receive a selection of one or more quantization processes of a plurality of quantization processes corresponding to a plurality of intensity ranges; based on the selection, control the one or more ADCs to perform the selected one or more quantization processes to quantize the voltages from the one or more charge sensing units to digital values representing components of a pixel of different wavelength ranges; and generate a pixel value based on the digital values.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 4, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Andrew Samuel Berkovich, Xinqiao Liu, Song Chen, Nicholas Daniel Trail, Michael Patrick Schaub
  • Publication number: 20220301752
    Abstract: The present invention involves a graphene-containing rare earth permanent magnet material and preparation method thereof. The graphene-containing rare earth permanent magnet material, comprising: 20.6 to 23.4 weight percent of neodymium, 6.6 to 7.5 weight percent of praseodymium, 0.95 to 1.20 weight percent of boron, 0.4 to 0.6 weight percent of cobalt, 0.11 to 0.15 weight percent of copper, 2.0 to 2.4 weight percent of lanthanum, 1.7 to 2.1 weight percent of cerium, 1 to 5 weight percent of graphene, a remainder being iron. The graphene-containing rare earth permanent magnet material exhibits excellent temperature resistance, good conductivity and magnet properties even without any heavy rare earth elements like terbium or dysprosium, which dramatically reduces the cost, promotes the efficient utilization of rare earth resources and improves product quality.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 22, 2022
    Inventors: Song Chen, Liang Chen, Xiangyang Liu, Wei Li
  • Publication number: 20220298363
    Abstract: The invention pertains to a graphene painting. The graphene painting comprises: a component A and a component B, the component A includes 40 to 50 parts by weight of epoxy resin, 6 to 10 parts by weight of acrylic resin, 15 to 20 parts by weight of zinc powder, 0.4 to 2 parts by weight of graphene, 2 to 5 parts by weight of dispersant, 0.5 to 4 parts by weight of coupling agent, 1 to 3 parts by weight of leveling agent, 6 to 10 parts by weight of filler, 9 to 14 parts by weight of synergist, 22 to 30 parts by weight of solvent; the component B includes 1 to 4 parts by weight of curing agent, 3 to 5 parts by weight of diluent. The graphene painting is coated on the surface of a magnet, which improves the corrosion resistance of the magnet and heat dissipation performance.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 22, 2022
    Inventors: Song Chen, Liang Chen, Xiangyang Liu, Wei Li
  • Patent number: 11419919
    Abstract: The invention belongs to the technical field of polypeptide preparation methods, and in particular relates to a high-purity ACTH (human sequence) or analogue and large-scale preparation method thereof. The main steps include: amino acids are coupled from the C-terminal to the N-terminal by Fmoc solid-phase synthesis method to obtain the crude ACTH (human sequence) or analogue peptidyl-resin with protective groups, wherein the reaction temperature of C-15 peptide synthesis is 40-60° C. After cleavge and precipitation, the crude product of ACTH (human sequence) or analogue is obtained, and then the high-purity product is obtained by liquid chromatography. The chromatographic purity of ACTH (human sequence) or analogue prepared by the invention is more than 99%, the stability is good, and the yield of the target peptide is ?63%.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: August 23, 2022
    Assignee: Nanjing Hanxin Pharmaceutical Technology Co., Ltd.
    Inventors: Jundong Meng, Kangning Rui, Bin Liu, Yuanyuan Han, Song Chen, Haoning Zhang
  • Publication number: 20220259577
    Abstract: Provided are chondrosulfatase and a use thereof, belonging to the technical field of biological engineering. Chondrosulfatase is screened and identified from the natural world, the maximum similarity between its amino acid sequence and that of the chondrosulfatase reported by NCBI being 85%; then the expression in Escherichia coli and Bacillus subtilis is optimized, achieving the high-efficiency biosynthesis of chondrosulfatase having high enzymatic activity, the maximum enzyme activity being 11976.5 U/L; furthermore, the entire process and post-processing are simpler. The invention has potentially broad value in application in the preparation of products containing low molecular-weight chondroitin sulfate in the fields of medicine, cosmetics, and biology, lays the foundation for efficient fermentation of a microbial system to produce a chondrosulfatase having high enzyme activity, and is suitable for industrialized production applications.
    Type: Application
    Filed: September 18, 2019
    Publication date: August 18, 2022
    Applicant: NANJING HANXIN PHARMACEUTICAL INC
    Inventors: Haoning ZHANG, Song CHEN, Chuangen TANG, Jing WANG
  • Patent number: 11393867
    Abstract: Methods and systems for image sensing are provided. In one example, an apparatus comprises a semiconductor substrate comprising a light incident surface to receive light, a first pinned photodiode, and a second pinned photodiode, the first pinned photodiode and the second pinned photodiode forming a stack structure in the semiconductor substrate along an axis perpendicular to the light incident surface, the stack structure enabling the first pinned photodiode and the second pinned photodiode to, respectively, convert a first component of the light and a second component of the light to first charge and second charge. The apparatus further comprises one or more capacitors formed in the semiconductor substrate and configured to generate a first voltage and a second voltage based on, respectively, the first charge and the second charge.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: July 19, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Song Chen, Xinqiao Liu, Byron Taylor
  • Publication number: 20220205915
    Abstract: A biological analysis system can include an excitation module and an emission module. The excitation module can include a collimator element for receiving excitation light from the excitation light source and transmitting collimated excitation light in a first direction, and a plurality of excitation mirrors arrayed along the excitation light path, each excitation mirror disposed at an acute angle relative to the first direction and configured to reflect collimated excitation light along a second direction. The emission module can be positioned to receive excitation light transmitted along the second direction and can include a sample block comprising a plurality of sample receptacles positioned to receive a beam of collimated excitation light, and a plurality of photodetectors configured to receive emission light transmitted from a respective sample receptacle in a direction transverse to the second direction of the excitation light path.
    Type: Application
    Filed: January 11, 2022
    Publication date: June 30, 2022
    Inventors: Ming Song CHEN, Chee Woei CHONG, Wuh Ken LOH, WERN YUH FOO, Kuan Moon BOO, Norbert LECLERC, Kristina UHLENDORF, Reiner KOELLNER, Torsten FUCHS, Stefan BREITFELDER
  • Publication number: 20220210360
    Abstract: One example described herein includes the digital image sensor having a pixel cell with a photodiode and a quantizer circuit coupled to the pixel cell. The quantizer circuit includes a charge storage device that generates a voltage based on electric charge from the photodiode. The quantizer circuit also includes a single-input comparator that can switch from a first output state to a second output state in response to a ramp signal provided by a ramp generator. The quantizer circuit further includes a memory switch that can cause a counter value from a digital counter to be stored in a digital memory in response to the single-input comparator switching from the first output state to the second output state. The counter value can serve as a digital pixel value associated with the pixel cell.
    Type: Application
    Filed: December 17, 2021
    Publication date: June 30, 2022
    Inventors: Song Chen, Xinqiao Liu, Tsung-Hsun Tsai
  • Patent number: 11363221
    Abstract: In one example, an apparatus is provided. The apparatus comprises an image sensor configured to generate a first raw output to represent a first intensity of incident light based on a first relationship, and to generate a second raw output to represent a second intensity of incident light based on a second relationship. The apparatus further comprises a post processor configured to: generate a first post-processed output based on the first raw output and based on the first relationship such that the first post-processed output is linearly related to the first intensity based on a third relationship, and to generate a second post-processed output based on the second raw output and based on the second relationship such that the second post-processed output is linearly related to the second intensity based on the third relationship.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 14, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Andrew Samuel Berkovich, Wei Gao, Xinqiao Liu, Song Chen
  • Publication number: 20220172888
    Abstract: The invention discloses a manufacturing method of magnet unit for wireless charging, including the steps: installing multiple magnetic elements onto a first carrier made of non-magnetic material; moving the first carrier into a magnetizing machine to magnetize all the magnetic elements so that each magnetic element becomes a magnet piece, an N-pole and an S-pole are formed on different portions of the same surface of the magnet piece; installing the magnet pieces onto a second carrier made of magnetically permeable material to form a magnet unit, the magnet pieces are defined in an annular array around the central axis of the second carrier installed on a wireless charging base, the magnet unit cooperates with a charging coil of the wireless charging base to charge a wireless headset. The invention simplifies the manufacturing process and ensures the consistency of magnet pieces in the same magnet unit, also improves the manufacturing efficiency.
    Type: Application
    Filed: June 7, 2021
    Publication date: June 2, 2022
    Inventors: Liang Chen, Xiangyang Liu, Song Chen, Qianghua Lai
  • Patent number: 11339425
    Abstract: A biological analysis system is provided. The system comprises an interchangeable assembly configured to accommodate any one of a plurality of sample holders, each respective sample holder configured to receive a plurality of samples. The system also includes a control system configured to cycle the plurality of samples through a series of temperatures. The system further includes an optical system configured to detect fluorescent signals emitted from the plurality of samples. The optical system, in particular, can comprise a single field lens, an excitation source, an optical sensor, and a plurality of filter components. The excitation source can be one or more light emitting diodes. The field lends can be a bi-convex lens.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 24, 2022
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Jacob K. Freudenthal, Geoffrey Dahlhoff, Kevin Maher, Ming Song Chen, Gary Lim, Ronald Danehy, David Fortescue, Ming Shen, Woon Liang Soh, Francis T. Cheng, Ruoyun Wu, Thiam Chye Lee, Gary A. Chappell, Chee Kiong Lim, Jeff Dere, Ted Straub, Jorge Fonseca, Kuan Moon Boo, Soo Yong Lau
  • Publication number: 20220159204
    Abstract: In one example, an apparatus comprises: multiple distinct sets of photodiodes, wherein each set of photodiodes includes one or more photodiodes, one or more charge sensing units, and a controller. The controller is configured to: transfer charge generated by the one or more photodiodes in response to a different component of incident light to the one or more charge sensing units in order to convert the charge to voltages; perform one or more quantization processes of a plurality of quantization processes corresponding to a plurality of intensity ranges, wherein the one or more quantization processes quantizes the voltages from the one or more charge sensing units to digital values representing components of a pixel of different wavelength ranges; and generate a pixel value based on the at least some of the digital values.
    Type: Application
    Filed: February 2, 2022
    Publication date: May 19, 2022
    Inventors: Andrew Samuel Berkovich, Xinqiao Liu, Song Chen, Nicholas Daniel Trail, Michael Patrick Schaub
  • Publication number: 20220141405
    Abstract: In some examples, a sensor apparatus comprises: a pixel cell configured to generate a voltage, the pixel cell including one or more photodiodes configured to generate a charge in response to light and a charge storage device to convert the charge to a voltage; an integrated circuit comprising a plurality of integrated memory circuits and configured to: generate, based on a first voltage obtained from the charge storage device of the pixel cell, a first voltage value during a first time period; and generate, based on a second voltage generated by fixed pattern noise from the pixel cell and the integrated circuit, a second voltage value occurring a second time period; and one or more analog-to-digital converters (ADC) configured the convert the first voltage value to a first digital pixel value and the second voltage value to a second digital pixel value; and a processor configured to generate a first altered digital pixel value based on the first digital pixel value and the second digital pixel value.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 5, 2022
    Inventors: Tsung-Hsun Tsai, Xinqiao Liu, Song Chen, Andrew Samuel Berkovich, Lyle David Bainbridge
  • Publication number: 20220116565
    Abstract: In some examples, a sensor apparatus comprises: a pixel cell configured to generate a voltages, the pixel cell including a photodiode configured to generate charge in response to incoming light, and a charge storage device to convert the charge to a voltage; an integrated circuit configured to: determine a first captured voltage converted by the charge storage device during a first time period; compare the first captured voltage to a threshold voltage value; and in response to determining that the first captured voltage meets or exceeds the threshold voltage value: determine first time data corresponding to the first time period; and prevent the charge storage device from further generating a charge; and an analog-to-digital converter (ADC) configured to generate a digital pixel value based on the first captured voltage, and a memory to store the digital pixel value and the first time data.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 14, 2022
    Inventors: Tsung-Hsun TSAI, Song CHEN, Xinqiao LIU
  • Publication number: 20220103282
    Abstract: Provided are a client signal transmission method, apparatus and system and a computer-readable storage medium. The method includes mapping a client signal into a predetermined container corresponding to the client signal; mapping the predetermined container into the corresponding number of first code blocks in a payload area of an optical transport network frame and inserting special idle code blocks during the mapping for rate compensation, where the first code blocks are obtained by dividing the payload area of the optical transport network frame; and sending the optical transport network frame carrying the predetermined container and configuration information of the predetermined container.
    Type: Application
    Filed: January 19, 2020
    Publication date: March 31, 2022
    Applicant: ZTE CORPORATION
    Inventors: Yuanbin ZHANG, Yan YUAN, Song CHEN
  • Publication number: 20220094872
    Abstract: An apparatus comprises a first photodiode, a second photodiode, a quantizer, a memory, and a controller configured to: set a first exposure period in which the first photodiode generates a first charge; set a second exposure period in which the second photodiode generates a second charge, the second exposure period being set based on the first exposure period and at least one of: a first time associated with a read out operation of the memory to a second apparatus, or a second time associated with a quantization operation by the quantizer; perform, using the quantizer, the first quantization operation of the first charge to generate a first digital output; and perform, using the quantizer, a second quantization operation of the second charge to generate a second digital output.
    Type: Application
    Filed: November 30, 2021
    Publication date: March 24, 2022
    Inventors: Xinqiao LIU, Song CHEN, Tsung-Hsun TSAI
  • Patent number: 11237108
    Abstract: A biological analysis system can include an excitation module and an emission module. The excitation module can include a collimator element for receiving excitation light from the excitation light source and transmitting collimated excitation light in a first direction, and a plurality of excitation mirrors arrayed along the excitation light path, each excitation mirror disposed at an acute angle relative to the first direction and configured to reflect collimated excitation light along a second direction. The emission module can be positioned to receive excitation light transmitted along the second direction and can include a sample block comprising a plurality of sample receptacles positioned to receive a beam of collimated excitation light, and a plurality of photodetectors configured to receive emission light transmitted from a respective sample receptacle in a direction transverse to the second direction of the excitation light path.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: February 1, 2022
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Ming Song Chen, Chee Woei Chong, Wuh Ken Loh, Wern Yuh Foo, Kuan Moon Boo, Norbert Leclerc, Kristina Uhlendorf, Reiner Koellner, Torsten Fuchs, Stefan Breitfelder
  • Patent number: 11233085
    Abstract: An apparatus is provided. The apparatus includes a semiconductor substrate including a first photodiode to generate a first charge, a second photodiode to generate a second charge, a barrier layer between the first photodiode and the second photodiode, wherein the first photodiode, the barrier layer, and the second photodiode form a stack. The apparatus further includes a floating drain and one or more gates including: a first gate portion on the semiconductor substrate and a second gate portion extending from the front side surface through the first photodiode and reaching the barrier layer. The first gate portion is configured to conduct a first signal to control flow of charge from the first photodiode to the floating drain, and the second gate portion is configured to conduct a second signal to control the barrier layer to control the flow of the second charge.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: January 25, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Song Chen, Xinqiao Liu
  • Publication number: 20220008882
    Abstract: A porous composite material capable of generating an arc in a microwave field includes an inorganic porous framework and a carbon material loaded on the inorganic porous framework. The average pore size of the inorganic porous framework is 0.2-1000 ?m. The porous composite material has an excellent mechanical performance, can generate an arc in a microwave field to quickly generate a high temperature, and thus can be used in fields such as microwave high-temperature heating, biomass pyrolysis, vegetable oil treatment, waste polymer material pyrolysis, petrochemical pyrolysis, carbon-fiber composite material recovery, waste treatment, VOC waste gas treatment, COD wastewater treatment, high-temperature catalysis, waste circuit board full-component recycling, and hydrogen preparation.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 13, 2022
    Inventors: Haibin JIANG, Jinliang QIAO, Xiaohong ZHANG, Wenlu LIU, Zhihai SONG, Guicun QI, Jianming GAO, Chuanlun CAI, Binghai LI, Xiang WANG, Jinmei LAI, Yue RU, Hongbin ZHANG, Peng HAN, Wenqing HUANG, Jiangru ZHANG, Yating ZHAO, Chao JIANG, Shuqi SUN, Zhaoyan GUO, Song CHEN
  • Patent number: 11222155
    Abstract: Disclosed is a method and apparatus that takes timing information associated with a plurality of inputs to a cell, such as an AND-gate, within an integrated circuit (IC) design, store the timing information in a timing information register (TIR) associated with an index identifying the source of the timing information and track the source of the timing information for a predetermined number of cells through the index. The timing information in the TIRs is merged upon the index indicating that the timing information has been tracked through a predetermined number of cells.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: January 11, 2022
    Assignee: Synopsys, Inc.
    Inventors: Peivand Tehrani, Rachid Helaihel, Hushrav Mogal, Song Chen