Patents by Inventor Siyuan Liang
Siyuan Liang 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: 20240418751Abstract: An iron core-annular array multi-ring magnetosensitive current sensor and a current measurement method, the method comprising: using a first loop structure (101) to acquire a feedback current signal generated according to a first magnetic field signal generated by a primary side current; using a second loop structure (102) to measure a second magnetic field signal generated by the current of a wire in a coil; and using a digital processing unit (103) to calculate, according to the feedback current signal and the second magnetic field signal, the feature quantity that characterizes the current of the wire, and determining the current on the wire according to the feature quantity that characterizes the current of the wire.Type: ApplicationFiled: August 11, 2022Publication date: December 19, 2024Inventors: Feng ZHOU, Jicheng YU, Min LEI, Xiaodong YIN, Changxi YUE, Siyuan LIANG, Xiong LI, He LI, LI YAO, Dengyun LI, Chunguang LU, Tao XIAO, Zili XU, Wei LIU, Kai ZHU, Kui XIONG
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Patent number: 12124060Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.Type: GrantFiled: December 28, 2021Date of Patent: October 22, 2024Assignee: MLOptic Corp.Inventors: Pengfei Wu, Wei Zhou, Jiang He, Siyuan Liang
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Patent number: 12085781Abstract: A device for providing an output beam in a direction, the device including a plate including an exit pupil; a plurality of rows of optical elements disposed substantially in a first plane, each row of optical elements in the first plane including: at least one beam splitter; and a plurality of rows of optical elements disposed substantially in a second plane, the optical elements in the second plane include mirrors, wherein the second plane is disposed between the exit pupil and the first plane, wherein the at least one beam splitter at the first plane is configured to transmit an incident beam to one of a subsequent optical element at the first plane and a subsequent optical element at the second plane before being reflected to exit through the exit pupil.Type: GrantFiled: December 23, 2021Date of Patent: September 10, 2024Assignee: MLOptic Corp.Inventors: Teresa Zhang, Wei Zhou, Jiang He, Siyuan Liang
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Patent number: 11971555Abstract: An optical system including an enclosure including a front end and a rear end, a first pair of apertures configured to be disposed on a front plane on the front end of the enclosure and a single optical lens system disposed between the front end and the rear end of the enclosure, wherein the first pair of apertures are configured to allow sets of light rays into the enclosure through the single optical lens system to be cast on an image plane as first and second spots, the image plane being parallel to the front plane, if the first and second spots are concentrically disposed, the sets of light rays are determined to be parallelly disposed with respect to one another, otherwise the sets of light rays are determined to not be parallelly disposed with one another.Type: GrantFiled: October 30, 2023Date of Patent: April 30, 2024Assignee: MLOptic Corp.Inventors: Pengfei Wu, Siyuan Liang, Wei Zhou
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Patent number: 11867501Abstract: A system for calibrating an equipment, the system including a beam splitter; a first reticle configured to be removably attached to the equipment; and an image capture device including an image plane, wherein an image of the first reticle is configured to be received by way of the beam splitter at the image plane along an optical axis of the beam splitter, wherein the orientation as indicated by the first reticle is compared to an orientation of the image plane and if the orientation as indicated by the first reticle differs from the orientation of the image plane, the equipment is rotated about the optical axis of the beam splitter such that the orientation as indicated by the first reticle matches the orientation of the image plane.Type: GrantFiled: December 28, 2021Date of Patent: January 9, 2024Assignee: MLOptic Corp.Inventors: Pengfei Wu, Wei Zhou, Jiang He, Siyuan Liang
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Patent number: 11852464Abstract: A chromatic confocal sensor configured for calibrating an orientation of an equipment about the optical axis of the chromatic confocal sensor, wherein the equipment is disposed at a first orientation about the optical axis of the chromatic confocal sensor, the chromatic confocal sensor including a light source, a collimator, a lens and a reticle, wherein the light source, the collimator and the lens are coaxially disposed along the optical axis, the reticle is configured to be interposable between the collimator and the lens along the optical axis, an image is configured to be cast by the light source through the collimator, the reticle and the lens on the equipment, the image is disposed at a second orientation about the optical axis and the equipment is calibratable by aligning the equipment with the image such that the first orientation approaches the second orientation.Type: GrantFiled: December 20, 2021Date of Patent: December 26, 2023Assignee: MLOptic Corp.Inventors: Wei Zhou, Jiang He, Siyuan Liang
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Publication number: 20230213759Abstract: A system for extending the effective aperture of an optical output in a direction parallel to the optical axis of the optical output, the system including a beam splitter configured for receiving an output beam of the optical output along the optical axis of the optical output, the beam splitter configured for splitting the output beam into two light beams; a central mirror for receiving and directing a first of the two light beams from the beam splitter; and a pair of motorized mirrors each motorized mirror including a mobility mechanism and a mirror functionally connected to the mobility mechanism, each of the motorized mirrors is configured to be movable in a direction orthogonal to the optical axis, wherein the optical output is extended to the two light beams separated by a pupil distance adjustable by controlling at least a mobility mechanism of one of the pair of motorized mirrors.Type: ApplicationFiled: December 30, 2021Publication date: July 6, 2023Inventors: Wei Zhou, Jiang He, Siyuan Liang, Huayu Gu
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Publication number: 20230204904Abstract: A device for providing an output beam in a direction, the device including a plate including an exit pupil; a plurality of rows of optical elements disposed substantially in a first plane, each row of optical elements in the first plane including: at least one beam splitter; and a plurality of rows of optical elements disposed substantially in a second plane, the optical elements in the second plane include mirrors, wherein the second plane is disposed between the exit pupil and the first plane, wherein the at least one beam splitter at the first plane is configured to transmit an incident beam to one of a subsequent optical element at the first plane and a subsequent optical element at the second plane before being reflected to exit through the exit pupil.Type: ApplicationFiled: December 23, 2021Publication date: June 29, 2023Inventors: Teresa Zhang, Wei Zhou, Jiang He, Siyuan Liang
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Publication number: 20230204831Abstract: A prism module for enabling a large field of view high resolution sampling of incoming rays, the prism module including a plurality of elongated prisms disposed about a central axis, each of the prisms including a fore surface; an aft surface; and a reflecting surface connected on a first edge to the fore surface and connected on a second edge to the aft surface, wherein the fore surface is configured to receive the incoming light rays orthogonally disposed with respect to the fore surface, the reflecting surface configured to reflect the incoming light rays to cause outgoing light rays to exit at a right angle through the aft surface to form an image with a maximum distortion not recognizable by a human eye.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Pengfei Wu, Wei Zhou, Jiang He, Siyuan Liang
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Publication number: 20230204351Abstract: A system for calibrating an equipment, the system including a beam splitter; a first reticle configured to be removably attached to the equipment; and an image capture device including an image plane, wherein an image of the first reticle is configured to be received by way of the beam splitter at the image plane along an optical axis of the beam splitter, wherein the orientation as indicated by the first reticle is compared to an orientation of the image plane and if the orientation as indicated by the first reticle differs from the orientation of the image plane, the equipment is rotated about the optical axis of the beam splitter such that the orientation as indicated by the first reticle matches the orientation of the image plane.Type: ApplicationFiled: December 28, 2021Publication date: June 29, 2023Inventors: Pengfei Wu, Wei Zhou, Jiang He, Siyuan Liang
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Publication number: 20230194252Abstract: A chromatic confocal sensor configured for calibrating an orientation of an equipment about the optical axis of the chromatic confocal sensor, wherein the equipment is disposed at a first orientation about the optical axis of the chromatic confocal sensor, the chromatic confocal sensor including a light source, a collimator, a lens and a reticle, wherein the light source, the collimator and the lens are coaxially disposed along the optical axis, the reticle is configured to be interposable between the collimator and the lens along the optical axis, an image is configured to be cast by the light source through the collimator, the reticle and the lens on the equipment, the image is disposed at a second orientation about the optical axis and the equipment is calibratable by aligning the equipment with the image such that the first orientation approaches the second orientation.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Wei Zhou, Jiang He, Siyuan Liang
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Patent number: 10651646Abstract: A fault current limiter, including: two inductors, a direct current circuit breaker, a shunt resistor, a first fixed resistor, and metal oxide arresters. The two inductors include wound superconducting wires. The inductors have identical number of windings and identical structure. Magnetic fluxes of the inductors are forward coupled, and the inductors are connected in parallel to form a superconducting inductor structure. The direct current circuit breaker and the superconducting inductor structure are connected in series to form a series branch. The shunt resistor is connected in parallel to the series branch. The first fixed resistor is connected in parallel to the direct current circuit breaker. The metal oxide arresters are two in number, and are connected to two ends of the inductors in parallel.Type: GrantFiled: June 13, 2017Date of Patent: May 12, 2020Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Li Ren, Siyuan Liang, Yuejin Tang, Ying Xu, Zhong Xia, Zuoshuai Wang, Jing Shi, Jingdong Li, Lihui Zhang, Sinian Yan, Zhangwei Yang, Yi Zhang
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Patent number: 10424918Abstract: A fault current limiter, including: an inductor, a direct current circuit breaker, a shunt resistor, and a first fixed resistor. The inductor includes wound superconducting wires. The direct current circuit breaker and the inductor are connected in series to form a series branch. The shunt resistor is connected in parallel to the series branch. The first fixed resistor is connected in parallel to the direct current circuit breaker.Type: GrantFiled: April 19, 2017Date of Patent: September 24, 2019Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Li Ren, Siyuan Liang, Yuejin Tang, Ying Xu, Zhong Xia, Zuoshuai Wang, Jing Shi, Jingdong Li, Lihui Zhang, Sinian Yan, Zhangwei Yang, Yi Zhang
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Publication number: 20180248363Abstract: A fault current limiter, including: two inductors, a direct current circuit breaker, a shunt resistor, a first fixed resistor, and metal oxide arresters. The two inductors include wound superconducting wires. The inductors have identical number of windings and identical structure. Magnetic fluxes of the inductors are forward coupled, and the inductors are connected in parallel to form a superconducting inductor structure. The direct current circuit breaker and the superconducting inductor structure are connected in series to form a series branch. The shunt resistor is connected in parallel to the series branch. The first fixed resistor is connected in parallel to the direct current circuit breaker. The metal oxide arresters are two in number, and are connected to two ends of the inductors in parallel.Type: ApplicationFiled: June 13, 2017Publication date: August 30, 2018Inventors: Li REN, Siyuan LIANG, Yuejin TANG, Ying XU, Zhong XIA, Zuoshuai WANG, Jing SHI, Jingdong LI, Lihui ZHANG, Sinian YAN, Zhangwei YANG, Yi ZHANG
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Publication number: 20180248362Abstract: A fault current limiter, including: an inductor, a direct current circuit breaker, a shunt resistor, and a first fixed resistor. The inductor includes wound superconducting wires. The direct current circuit breaker and the inductor are connected in series to form a series branch. The shunt resistor is connected in parallel to the series branch. The first fixed resistor is connected in parallel to the direct current circuit breaker.Type: ApplicationFiled: April 19, 2017Publication date: August 30, 2018Inventors: Li REN, Siyuan LIANG, Yuejin TANG, Ying XU, Zhong XIA, Zuoshuai WANG, Jing SHI, Jingdong LI, Lihui ZHANG, Sinian YAN, Zhangwei YANG, Yi ZHANG
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Publication number: 20160320324Abstract: A method for predicting the life of a transformer includes: conducting a quasi-distributed description on an internal temperature of a transformer by using a fiber grating temperature measurement system; determining the position of an internal hottest spot of the transformer and conducting a life evaluation on an internal local region of the transformer; and according to the life loss of each position of the transformer, by combining the insulation characteristic of the transformer with the influence of the life of the position on the entire life of the transformer, predicting the life of the transformer scientifically and reasonably.Type: ApplicationFiled: November 27, 2013Publication date: November 3, 2016Inventors: Junliu ZHANG, Guohua ZHOU, Lijuan XIONG, Xin GAO, Qiang XU, Jiangong REN, Shanshan WANG, Siyuan LIANG
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Publication number: 20160322149Abstract: A method for controlling the load of a transformer based on a hot spot temperature measured by using the fiber grating technology. In the production process of a transformer, fiber grating sensors are arranged on the upper portion of an internal winding of the transformer, at the position of a leading wire and on the upper portion of an iron core, and the control of a cooler of the transformer is directed by using real-time temperature data measured by the fiber grating sensors. In this method, the fiber grating sensors are used to monitor the internal hottest spot temperature of the transformer to conduct the cooling control of the transformer, so that the control of a cooling system of the transformer can be conducted effectively in accordance with the operation state of the transformer itself and the influence of the external environment.Type: ApplicationFiled: November 28, 2013Publication date: November 3, 2016Inventors: Junliu ZHANG, Guohua ZHOU, Lijuan XIONG, Xin GAO, Ronggui GAO, Dong YANG, Shanshan WANG, Siyuan LIANG
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Patent number: 7989770Abstract: A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.Type: GrantFiled: December 22, 2006Date of Patent: August 2, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7911592Abstract: Disclosed is a method for identifying a moving object, comprising: a driving-in step of moving a moving object into a passage, a velocity measuring step of measuring a moving velocity of the moving object, a light beam emitting step of emitting light beams from one side of the passage, a light beam receiving step of receiving the light beams not shielded by the moving object at other side of the passage, a profile determining step of determining a profile of at least one portion of the moving object based on the received light beams and the measured moving velocity of the moving object, and an identifying step of determining type of the moving object by comprising the profile of the at least one portion of the moving object with information of moving objects stored previously.Type: GrantFiled: December 25, 2006Date of Patent: March 22, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia
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Patent number: 7688945Abstract: The present invention discloses a system for imaging inspection of a movable object is provided, comprising: a first detecting unit configured to inspect whether a moving object to be inspected moves into a passage or not; a second detecting unit for inspecting whether a part to be shielded of the moving object passes into the passage or not and generating a passing signal after the first detecting unit inspects that the moving object to be inspected moves into the passage; a scan imaging device for emitting radiating beams for scan inspecting the moving object to be inspected; and a control system for generating a control signal for controlling the emitted radiating beams from the scan imaging device according to the passing signal from the second detecting unit. With the above system thereof, the imaging inspection of the moving object with rapid speed can be undertaken safely and reliably.Type: GrantFiled: December 25, 2006Date of Patent: March 30, 2010Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Junli Li, Hua Peng, Yaohong Liu, Shangmin Sun, Jinyu Zhang, Qingjun Zhang, Li Zhang, Yali Xie, Yanli Deng, Ming Ruan, Siyuan Liang, Guang Yang, Wei Jia