Patents by Inventor Pu Zheng
Pu Zheng 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: 11857323Abstract: A system and method for camera-based stress determination. The method includes: determining a plurality of regions-of-interest (ROIs) of a body part; determining a set of bitplanes in a captured image sequence for each ROI that represent HC changes using a trained machine learning model, the machine learning model trained with a hemoglobin concentration (HC) changes training set, the HC changes training set trained using bitplanes from previously captured image sequences of other human individuals as input and received cardiovascular data as targets; determining an HC change signal for each of the ROIs based on changes in the set of determined bitplanes; for each ROI, determining intervals between heartbeats based on peaks in the HC change signal; determining heart rate variability using the intervals between heartbeats; determining a stress level using at least one determination of a standard deviation of the heart rate variability; and outputting the stress level.Type: GrantFiled: September 15, 2022Date of Patent: January 2, 2024Assignee: NURALOGIX CORPORATIONInventors: Kang Lee, Pu Zheng, Si Wu
-
Publication number: 20230348958Abstract: The present invention generally relates to genomics. Some embodiments are directed to imaging the 3D organization of the genome, or part of the genome, with high throughput in the sequence space. Some embodiments are directed to imaging the 3D organization of the genome, or part of the genome, in the context of transcriptional activity and nuclear structures. In addition, certain embodiments are directed to chromatin structures, 3D chromatin organizations, trans-chromosomal interactions and chromatin-nuclear-structure interactions as well as their relationship with transcription, etc. In addition, various embodiments are directed to imaging methods that allow mapping of the 3D organization of the genome, or part of the genome, in the context of nuclear structures and transcriptional activity. Some embodiments are directed to massively multiplexed fluorescence in situ hybridization methods for imaging chromatin loci and/or nascent RNA transcripts at the chromosome or genome scale.Type: ApplicationFiled: December 18, 2020Publication date: November 2, 2023Applicant: President and Fellows of Harvard CollegeInventors: Xiaowei Zhuang, Bogdan Bintu, Seon S. Kinrot, Pu Zheng, Jun-Han Su
-
Patent number: 11597257Abstract: A transport refrigeration system, a control method therefor and an electric transport vehicle are provided by the present disclosure. The control method for the transport refrigeration system includes: if a ratio of a current battery charge amount to a minimum battery charge amount is not less than a first preset value, controlling power consuming units in the transport refrigeration system to operate in a power-unrestricted state; and if the ratio of the current battery charge amount to the minimum battery charge amount is less than the first preset value, controlling the power consuming units in the transport refrigeration system to operate in a power-restricted state; wherein the power-restricted state is associated with the ratio of the current battery charge amount to the minimum battery charge amount.Type: GrantFiled: May 22, 2020Date of Patent: March 7, 2023Assignee: CARRIER CORPORATIONInventors: Linhui Chen, Yiming Wen, Pu Zheng
-
Patent number: 11554639Abstract: An electrical power module and transport refrigeration system. The electrical power module is used for an apparatus powered by a battery or/and a fuel, has a working mode and includes: a DC buck module configured to step-down a DC at least provided by the battery to a low-voltage output DC for output, or/and a DC boost module configured to step-up a low-voltage input DC provided by the apparatus powered by the fuel to a high-voltage DC for output; and a control module connected to a transport refrigeration unit, and configured to, in the working mode, control the operation of the DC buck module or/and the DC boost module.Type: GrantFiled: January 29, 2020Date of Patent: January 17, 2023Assignee: CARRIER CORPORATIONInventors: Pu Zheng, Linhui Chen
-
Publication number: 20230008293Abstract: A system and method for camera-based stress determination. The method includes: determining a plurality of regions-of-interest (ROIs) of a body part; determining a set of bitplanes in a captured image sequence for each ROI that represent HC changes using a trained machine learning model, the machine learning model trained with a hemoglobin concentration (HC) changes training set, the HC changes training set trained using bitplanes from previously captured image sequences of other human individuals as input and received cardiovascular data as targets; determining an HC change signal for each of the ROIs based on changes in the set of determined bitplanes; for each ROI, determining intervals between heartbeats based on peaks in the HC change signal; determining heart rate variability using the intervals between heartbeats; determining a stress level using at least one determination of a standard deviation of the heart rate variability; and outputting the stress level.Type: ApplicationFiled: September 15, 2022Publication date: January 12, 2023Inventors: Kang LEE, Pu ZHENG, Si WU
-
Patent number: 11497423Abstract: A system and method for health diagnostics and more specifically to an image-capture based system and method for detecting physiological state for a subject. The system provides a remote and non-invasive approach by which to detect physiological state with a high confidence. The system enables monitoring of hemoglobin concentration changes by optical imaging and related detection systems.Type: GrantFiled: October 5, 2020Date of Patent: November 15, 2022Assignee: NURALOGIX CORPORATIONInventors: Kang Lee, Pu Zheng
-
Patent number: 11471083Abstract: A system and method for camera-based stress determination. The method includes: determining a plurality of regions-of-interest (ROIs) of a body part; determining a set of bitplanes in a captured image sequence for each ROI that represent HC changes using a trained machine learning model, the machine learning model trained with a hemoglobin concentration (HC) changes training set, the HC changes training set trained using bitplanes from previously captured image sequences of other human individuals as input and received cardiovascular data as targets; determining an HC change signal for each of the ROIs based on changes in the set of determined bitplanes; for each ROI, determining intervals between heartbeats based on peaks in the HC change signal; determining heart rate variability using the intervals between heartbeats; determining a stress level using at least one determination of a standard deviation of the heart rate variability; and outputting the stress level.Type: GrantFiled: October 24, 2018Date of Patent: October 18, 2022Assignee: NURALOGIX CORPORATIONInventors: Kang Lee, Pu Zheng, Si Wu
-
Publication number: 20220275407Abstract: The disclosure discloses a method for producing jasmonic acid by solid state fermentation of microorganisms, and belongs to the field of biotechnology. Lasiodiplodia sp. is inoculated in a solid state fermentation medium containing wheat for static fermentation for 6-15 days, and then, jasmonic acid of 4128 mg/kg wheat can be produced. The method provides a feasibility for extension of production of jasmonic acid by fermentation of microorganisms.Type: ApplicationFiled: May 20, 2022Publication date: September 1, 2022Applicants: WUXI NEW WAY BIOTECH CO.LTD, Jiangnan UniversityInventors: Pu ZHENG, Ziqiang SHEN, Dan WU, Pengcheng CHEN, Ruiying LI
-
Patent number: 11332766Abstract: The present invention provides a bacterium and a method for the biological production of Heliotropin by the fermemtation of safrole. In one aspect of the present invention, a process for the conversion of safrole to Heliotropin is achieved by the use of a bacterial strain of Serratia liquefaciens ZMT-1 (CCTCC M 2016170). The production method comprises the steps of seeding the Serratia liquefaciens culture in the presence of oxygen for 24-36 hours, transforming the safrole substrate for 24-48 hours with 0.5-3 g/L substrate concentration, and reaching the Heliotropin concentration of 160-524 mg/L. The present invention reports, for the first time, on a method for producing the high concentration of Heliotropin by using the Serratia liquefaciens ZMT-1 strain or the enzyme extracted from the strain.Type: GrantFiled: April 1, 2017Date of Patent: May 17, 2022Assignee: XIAMEN OAMIC BIOTECHNOLOGY CO., LTD.Inventors: Pu Zheng, Zhimin Deng, Pengcheng Chen, Xijing Zhao, Mingtao Zhao, Chenguang Xing
-
Patent number: 11320902Abstract: A system for detecting invisible human emotion in a retail environment is provided. The system comprises a camera and an image processing unit. The camera is configured in a retail environment to capture an image sequence of a person before and during when a price of a product or service becomes visible. The image processing unit is trained to determine a set of bitplanes of a plurality of images in the captured image sequence that represent the hemoglobin concentration (HC) changes of the person, and to detect the person's invisible emotional states based on HC changes. The image processing unit is trained using a training set comprising a set of subjects for which emotional state is known.Type: GrantFiled: May 15, 2020Date of Patent: May 3, 2022Assignee: NURALOGIX CORPORATIONInventors: Kang Lee, Pu Zheng
-
Publication number: 20220072931Abstract: A transport refrigeration system, a control method therefor and an electric transport vehicle are provided by the present disclosure. The control method for the transport refrigeration system includes: if a ratio of a current battery charge amount to a minimum battery charge amount is not less than a first preset value, controlling power consuming units in the transport refrigeration system to operate in a power-unrestricted state; and if the ratio of the current battery charge amount to the minimum battery charge amount is less than the first preset value, controlling the power consuming units in the transport refrigeration system to operate in a power-restricted state; wherein the power-restricted state is associated with the ratio of the current battery charge amount to the minimum battery charge amount.Type: ApplicationFiled: May 22, 2020Publication date: March 10, 2022Inventors: Linhui Chen, Yiming Wen, Pu Zheng
-
Publication number: 20210361208Abstract: A system and method for camera-based stress determination. The method includes: determining a plurality of regions-of-interest (ROIs) of a body part; determining a set of bitplanes in a captured image sequence for each ROI that represent HC changes using a trained machine learning model, the machine learning model trained with a hemoglobin concentration (HC) changes training set, the HC changes training set trained using bitplanes from previously captured image sequences of other human individuals as input and received cardiovascular data as targets; determining an HC change signal for each of the ROIs based on changes in the set of determined bitplanes; for each ROI, determining intervals between heartbeats based on peaks in the HC change signal; determining heart rate variability using the intervals between heartbeats; determining a stress level using at least one determination of a standard deviation of the heart rate variability; and outputting the stress level.Type: ApplicationFiled: October 24, 2018Publication date: November 25, 2021Inventors: Kang LEE, Pu ZHENG, Si WU
-
Patent number: 11165003Abstract: An ultraviolet light-emitting diode is disclosed. The ultraviolet light-emitting diode includes a transparent substrate, an ultraviolet illuminant epitaxial structure, and a transparent structure. The transparent substrate includes a first surface and a second surface which are opposite to each other, and a plurality of side surfaces surrounding and disposed between the first surface and the second surface. The ultraviolet illuminant epitaxial structure is disposed on the first surface of the transparent substrate. The transparent structure has a light-entering surface and a light-exiting surface which are opposite to each other. The light-entering surface of the transparent structure is adjacent to the second surface of the transparent substrate, and a refractive index of the transparent structure is between a refractive index of the transparent substrate and a refractive index of air.Type: GrantFiled: December 12, 2019Date of Patent: November 2, 2021Assignee: EPILEDS TECHNOLOGIES, INC.Inventors: Wei-Pu Zheng, Fu-Yi Tsai, Ming-Sen Hsu
-
Publication number: 20210317489Abstract: The present invention provides a bacterium and a method for the biological production of Heliotropin by the fermemtation of safrole. In one aspect of the present invention, a process for the conversion of safrole to Heliotropin is achieved by the use of a bacterial strain of Serratia liquefaciens ZMT-1 (CCTCC M 2016170). The production method comprises the steps of seeding the Serratia liquefaciens culture in the presence of oxygen for 24-36 hours, transforming the safrole substrate for 24-48 hours with 0.5-3 g/L substrate concentration, and reaching the Heliotropin concentration of 160-524 mg/L. The present invention reports, for the first time, on a method for producing the high concentration of Heliotropin by using the Serratia liquefaciens ZMT-1 strain or the enzyme extracted from the strain.Type: ApplicationFiled: April 1, 2017Publication date: October 14, 2021Applicant: XIAMEN OAMIC BIOTECHNOLOGY CO., LTD.Inventors: Pu ZHENG, Zhimin DENG, Pengcheng CHEN, Xijing ZHAO, Mingtao ZHAO, Chenguang XING
-
Publication number: 20210249554Abstract: An ultraviolet light-emitting diode includes a transparent substrate and an ultraviolet illuminant epitaxial structure. The ultraviolet illuminant epitaxial structure includes an N-type semiconductor layer which is disposed on the transparent substrate and comprised of a first portion and a second portion. The first portion of the N-type semiconductor layer includes a light-emitting layer disposed thereon, a P-type semiconductor layer on the light emitting layer, and a P-type contact layer disposed on the P-type semiconductor layer. The second portion of the N-type semiconductor layer includes an N-type semiconductor film disposed thereon and separated from the light-emitting layer. A band gap of the N-type semiconductor film is smaller than a band gap of the light-emitting layer. The N-type contact is disposed on the N-type semiconductor film. The P-type contact is disposed on the P-type contact layer.Type: ApplicationFiled: August 13, 2020Publication date: August 12, 2021Inventors: Yen-Ting LU, Che-Wei KUO, Fu-Yi TSAI, Wei-Pu ZHENG, Kung-Hsieh HSU, Ming-Sen HSU
-
Publication number: 20210167260Abstract: An ultraviolet light-emitting diode is disclosed. The ultraviolet light-emitting diode includes a transparent substrate, an ultraviolet illuminant epitaxial structure, and a transparent structure. The transparent substrate includes a first surface and a second surface which are opposite to each other, and a plurality of side surfaces surrounding and disposed between the first surface and the second surface. The ultraviolet illuminant epitaxial structure is disposed on the first surface of the transparent substrate. The transparent structure has a light-entering surface and a light-exiting surface which are opposite to each other. The light-entering surface of the transparent structure is adjacent to the second surface of the transparent substrate, and a refractive index of the transparent structure is between a refractive index of the transparent substrate and a refractive index of air.Type: ApplicationFiled: December 12, 2019Publication date: June 3, 2021Inventors: Wei-Pu ZHENG, Fu-Yi TSAI, Ming-Sen HSU
-
Publication number: 20210068735Abstract: A system and method for health diagnostics and more specifically to an image-capture based system and method for detecting physiological state for a subject. The system provides a remote and non-invasive approach by which to detect physiological state with a high confidence. The system enables monitoring of hemoglobin concentration changes by optical imaging and related detection systems.Type: ApplicationFiled: October 5, 2020Publication date: March 11, 2021Inventors: Kang LEE, Pu ZHENG
-
Patent number: 10806390Abstract: A system and method for health diagnostics and more specifically to an image-capture based system and method for detecting physiological state for a subject. The system provides a remote and non-invasive approach by which to detect physiological state with a high confidence. The system enables monitoring of hemoglobin concentration changes by optical imaging and related detection systems.Type: GrantFiled: May 15, 2020Date of Patent: October 20, 2020Assignee: NURALOGIX CORPORATIONInventors: Kang Lee, Pu Zheng
-
Publication number: 20200315511Abstract: A system and method for health diagnostics and more specifically to an image-capture based system and method for detecting physiological state for a subject. The system provides a remote and non-invasive approach by which to detect physiological state with a high confidence. The system enables monitoring of hemoglobin concentration changes by optical imaging and related detection systems.Type: ApplicationFiled: May 15, 2020Publication date: October 8, 2020Inventors: Kang LEE, Pu ZHENG
-
Publication number: 20200319706Abstract: A system for detecting invisible human emotion in a retail environment is provided. The system comprises a camera and an image processing unit. The camera is configured in a retail environment to capture an image sequence of a person before and during when a price of a product or service becomes visible. The image processing unit is trained to determine a set of bitplanes of a plurality of images in the captured image sequence that represent the hemoglobin concentration (HC) changes of the person, and to detect the person's invisible emotional states based on HC changes. The image processing unit is trained using a training set comprising a set of subjects for which emotional state is known.Type: ApplicationFiled: May 15, 2020Publication date: October 8, 2020Inventors: Kang LEE, Pu ZHENG