Patents by Inventor Chuan Ni
Chuan Ni 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).
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Publication number: 20240115690Abstract: Disclosed is an adapted Madin-Darby canine kidney cell line capable of suspension culture in the absence of serum, and a chemically-defined medium for culture of the adapted MDCK cell line. Further disclosed are culture methods for growing the adapted MDCK cell line and methods for producing a vaccine from the adapted MDCK cell line grown in the chemically-defined medium.Type: ApplicationFiled: May 4, 2023Publication date: April 11, 2024Applicants: NATIONAL HEALTH RESEARCH INSTITUTES, FUJIFILM IRVINE SCIENTIFIC, INC.Inventors: Jenny BANG, Hsiao-Tzu NI, Alan Yung-Chih HU, Tsai-Chuan WENG
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Patent number: 11469752Abstract: The present application provides a power device driver including a detection module coupled to the power device and configured to detect the state of the power device; a driving module coupled to the detection module and the power device respectively and configured to detect the power of the detection module. As a result, the power device is regulated; wherein the detection module includes a fast detection sub-module configured to detect a state of the power device within a preset time period after the input signal of the driving device is invalid, and controlling the driving module to softly turn off the power device when there is overcurrent. The present application also provides a corresponding power device driving method and electric equipment.Type: GrantFiled: April 28, 2020Date of Patent: October 11, 2022Assignee: LEN Technology LimitedInventors: Jingquan Chen, Chuan Ni, Wei Lu
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Patent number: 11245394Abstract: The present application discloses a driving device for a power device, which includes a control circuitry configured to receive at least a system switching command and a feedback signal of a power device, and to generate a pull-up strength control signal or a pull-down strength control signal according to the received signals; and a pull-up array and/or a pull-down array, coupled between the control circuitry and the power device, and configured to provide a corresponding pull-up or pull-down strength for the power device according to the pull-up or pull-down strength control signal. The present application also discloses the corresponding electric appliance and power device driving method.Type: GrantFiled: July 2, 2020Date of Patent: February 8, 2022Assignee: LEN Technology LimitedInventors: Jingquan Chen, Chuan Ni, Wei Lu
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Patent number: 11239838Abstract: This application discloses a driving device for a power device. It includes a detection module, coupled to the power device, configured to detect the overcurrent status of the power device; a drive module, respectively coupled to the detection module and the power device, configured to regulate the power device according to the detection result of the detection module; wherein, when the detection result is that the power device is in the first overcurrent state, the drive module is configured to cause the power device to enter the first protection mode that is softly turned off and does not respond to the system switching signal; when the detection result is that the power device is in the second overcurrent state, the drive module is configured to cause the power device to enter a second protection mode that is softly turned off but responds to a system switching signal; wherein the overcurrent degree in the first overcurrent state is higher than that of the second overcurrent state.Type: GrantFiled: May 1, 2020Date of Patent: February 1, 2022Assignee: LEN Technology LimitedInventors: Jingquan Chen, Chuan Ni, Wei Lu
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Publication number: 20220006451Abstract: The present application discloses a driving device for a power device, which includes a control circuitry configured to receive at least a system switching command and a feedback signal of a power device, and to generate a pull-up strength control signal or a pull-down strength control signal according to the received signals; and a pull-up array and/or a pull-down array, coupled between the control circuitry and the power device, and configured to provide a corresponding pull-up or pull-down strength for the power device according to the pull-up or pull-down strength control signal. The present application also discloses the corresponding electric appliance and power device driving method.Type: ApplicationFiled: July 2, 2020Publication date: January 6, 2022Inventors: Jingquan Chen, Chuan Ni, Wei Lu
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Publication number: 20210344335Abstract: This application discloses a driving device for a power device. It includes a detection module, coupled to the power device, configured to detect the overcurrent status of the power device; a drive module, respectively coupled to the detection module and the power device, configured to regulate the power device according to the detection result of the detection module; wherein, When the detection result is that the power device is in the first overcurrent state, the drive module is configured to cause the power device to enter the first protection mode that is softly turned off and does not respond to the system switching signal; when the detection result is that the power device is in the second overcurrent state, the drive module is configured to cause the power device to enter a second protection mode that is softly turned off but responds to a system switching signal; wherein the overcurrent degree in the first overcurrent state is higher than that of the second overcurrent state.Type: ApplicationFiled: May 1, 2020Publication date: November 4, 2021Inventors: Jingquan Chen, Chuan Ni, Wei Lu
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Publication number: 20210258005Abstract: The present application provides a power device driver including a detection module coupled to the power device and configured to detect the state of the power device; a driving module coupled to the detection module and the power device respectively and configured to detect the power of the detection module. As a result, the power device is regulated; wherein the detection module includes a fast detection sub-module configured to detect a state of the power device within a preset time period after the input signal of the driving device is invalid, and controlling the driving module to softly turn off the power device when there is overcurrent. The present application also provides a corresponding power device driving method and electric equipment.Type: ApplicationFiled: April 28, 2020Publication date: August 19, 2021Inventors: Jingquan Chen, Chuan Ni, Wei Lu
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Patent number: 10566899Abstract: This disclosure is related to the technical field of magnets, and in particular to a method for applying a coupled inductor to a DC-DC converter providing a DC current output, and based on the number of phases of the DC-DC converter, the coupled inductor is designed to have a corresponding number of windings, the windings are reversely coupled to cancel out the magnetizing fields to avoid flux saturation of the magnet material under high current excitation, and the coupled inductor has air gaps, the leakage flux in the air gap induced by each winding is in the same direction, the leakage magnetic flux is used to achieve the filtering of the output current.Type: GrantFiled: May 4, 2018Date of Patent: February 18, 2020Assignee: LEN Technology LimitedInventors: Jingquan Chen, Chuan Ni
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Publication number: 20180323709Abstract: This disclosure is related to the technical field of magnets, and in particular to a method for applying a coupled inductor to a DC-DC converter providing a DC current output, and based on the number of phases of the DC-DC converter, the coupled inductor is designed to have a corresponding number of windings, the windings are reversely coupled to cancel out the magnetizing fields to avoid flux saturation of the magnet material under high current excitation, and the coupled inductor has air gaps, the leakage flux in the air gap induced by each winding is in the same direction, the leakage magnetic flux is used to achieve the filtering of the output current.Type: ApplicationFiled: May 4, 2018Publication date: November 8, 2018Inventors: Jingquan Chen, Chuan Ni
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Patent number: 10033281Abstract: Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies.Type: GrantFiled: November 10, 2017Date of Patent: July 24, 2018Assignee: Texas Instruments IncorporatedInventors: Chuan Ni, Timothy P. Pauletti
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Publication number: 20180083535Abstract: Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies.Type: ApplicationFiled: November 10, 2017Publication date: March 22, 2018Inventors: Chuan Ni, Timothy P. Pauletti
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Patent number: 9871444Abstract: Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies.Type: GrantFiled: December 21, 2015Date of Patent: January 16, 2018Assignee: Texas Instruments IncorporatedInventors: Chuan Ni, Timothy P. Pauletti
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Publication number: 20160190926Abstract: Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with externally connected circuitry to implement buck, boost, buck-boost, low dropout and/or hot-swap power converters. The ICs include one or more sets of series connected high and low side transistors connected with corresponding IC pads to allow connection to external circuitry to form a particular power converter configuration. The IC includes a control circuit and a configuration circuit to sense a circuit condition of the IC and to configure the control circuit to provide switching control signals to the transistors to implement one of a plurality of power converter topologies.Type: ApplicationFiled: December 21, 2015Publication date: June 30, 2016Applicant: Texas Instruments IncorporatedInventors: Chuan Ni, Timothy P. Pauletti
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Patent number: 9257113Abstract: From at least a first microphone, first microphone signals are received that represent first sound waves. From at least a second microphone, second microphone signals are received that represent second sound waves. In response to the first microphone signals, first noise in the first sound waves is estimated, and first cancellation signals are output for causing a speaker array to generate first additional sound waves via at least a first acoustic beam for cancelling at least some of the first noise. In response to the second microphone signals, second noise in the second sound waves is estimated, and second cancellation signals are output for causing the speaker array to generate second additional sound waves via at least a second acoustic beam for cancelling at least some of the second noise.Type: GrantFiled: August 27, 2013Date of Patent: February 9, 2016Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Chuan Ni, Yunhong Li, Long Yin Chen
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Publication number: 20150063583Abstract: From at least a first microphone, first microphone signals are received that represent first sound waves. From at least a second microphone, second microphone signals are received that represent second sound waves. In response to the first microphone signals, first noise in the first sound waves is estimated, and first cancellation signals are output for causing a speaker array to generate first additional sound waves via at least a first acoustic beam for cancelling at least some of the first noise. In response to the second microphone signals, second noise in the second sound waves is estimated, and second cancellation signals are output for causing the speaker array to generate second additional sound waves via at least a second acoustic beam for cancelling at least some of the second noise.Type: ApplicationFiled: August 27, 2013Publication date: March 5, 2015Applicant: Texas Instruments IncorporatedInventors: Chuan Ni, Yunhong Li, Long Yin Chen
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Patent number: 8437169Abstract: A circuit to protect data on an FRAM during a read operation includes an FRAM voltage regulator having an output to supply an FRAM operating voltage to the FRAM. A voltage monitor monitors a supply voltage for the FRAM to generate a voltage fault signal if the supply voltage falls below a predetermined value. And a circuit responsive to the voltage fault signal maintains the FRAM operating voltage above a voltage required to assure data integrity of the FRAM for a sufficient time required to perform an FRAM read operation.Type: GrantFiled: December 20, 2010Date of Patent: May 7, 2013Assignee: Texas Instruments IncorporatedInventors: Degang Xia, Steven Chacko, Richard Lawrence Duncan, Chuan Ni
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Patent number: 8405333Abstract: An active pull-up system for use with a motor is described. The active pull-up system comprises: a first resistor coupled to an output node; a first switch and a second resistor coupled in parallel with the first resistor, wherein the first switch is in series with the second resistor; a latch coupled to the first switch for either keeping the first switch open or closing the first switch in response to receiving a closing signal; and a threshold comparator coupled between the output node and the latch, wherein the threshold comparator transmits the closing signal when the output node exceeds a threshold value, which actively pulls up the output node.Type: GrantFiled: January 15, 2010Date of Patent: March 26, 2013Assignee: Texas Instruments IncorporatedInventors: Chuan Ni, Pauy Guan Tan
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Publication number: 20120155144Abstract: A circuit to protect data on an FRAM during a read operation includes an FRAM voltage regulator having an output to supply an FRAM operating voltage to the FRAM. A voltage monitor monitors a supply voltage for the FRAM to generate a voltage fault signal if the supply voltage falls below a predetermined value. And a circuit responsive to the voltage fault signal maintains the FRAM operating voltage above a voltage required to assure data integrity of the FRAM for a sufficient time required to perform an FRAM read operation.Type: ApplicationFiled: December 20, 2010Publication date: June 21, 2012Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Degang Xia, Steven Chacko, Richard Lawrence Duncan, Chuan Ni
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Patent number: 8040116Abstract: Automatically configurable dual regulator type circuits and methods are provided. On embodiment of the invention includes an automatically configurable dual regulator type circuit. The circuit comprises a high-side switching device (HS-SD) coupled to a low-side switching device (LS-SD) at an output node. The circuit further comprises a control logic device that turns on the HS-SD to provide an output current to a user selected circuit configuration through the output node, turns off the HS-SD after a voltage fed back from an output terminal of the user selected circuit configuration exceeds a first threshold and sets a regulator type configuration mode based on the presence or absence of a flyback period at the output node after the HS-SD has been turned off.Type: GrantFiled: March 11, 2009Date of Patent: October 18, 2011Assignee: Texas Instruments IncorporatedInventors: Degang Xia, Chuan Ni, Matthew Alan Frank
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Patent number: D1024932Type: GrantFiled: March 10, 2022Date of Patent: April 30, 2024Assignee: WALSIN LIHWA CORPORATIONInventors: Ko-Ming Chen, Shih-Hsiang Wang, An-Hung Lin, Min-Chuan Wu, Shao-Pei Lin, Chien-Chung Ni, Chun-Ying Lin