Patents by Inventor Hans Zou
Hans Zou 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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Patent number: 11940864Abstract: A multiphase power supply including a controller and phases can respond to a drop in load level by reducing all but one active phase to reduce power consumption. If the load level drops further, further reduction of the power consumption could be achieved by reducing, changing, or disabling the functions of some circuits within the active phase during these conditions. Estimating these conditions, however, may be difficult for a controller when the communication between the controller and the phase is limited. The disclosure describes an active phase that estimates a state of the load based on a sensed output current and a pulse width modulation control signal. The active phase may change its operating mode to match the estimated state of the load so that lighter load conditions consume less power. Furthermore, the idle phase(s) may nearly turn off all function except PWM detection to save power. Because this mode change is local to the phase, no additional communication with the controller is required.Type: GrantFiled: August 20, 2021Date of Patent: March 26, 2024Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han Zou
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Publication number: 20240093548Abstract: An apparatus provides for the flexible adjustment of the position of the windows, as well as for the ability to change the light transmission area of a single window, without wasting too much space. The apparatus can transform windows into completely opaque walls, for example, to achieve partial or complete light blockage by moving several wall panels hidden inside the sill up and down to specified positions. A set of push plates inside the sill can be used to displace the wall panels horizontally and a set of lifting plates on the window frame can be used to move the wall panels up and down along a track. At the same time, after selecting the specified position, the corresponding position can have a stick to push the wall panel into the specified position and tighten and fix the wall panel in the desired position.Type: ApplicationFiled: September 16, 2022Publication date: March 21, 2024Inventors: Jiuqi Wang, Xunmin Jiang, Zhuangboyu Zhou, Sichen Li, Ju Gao, Han Qin, Jiayang Qin, Keguan Zou
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Publication number: 20240093482Abstract: The present invention provides a method for framing a building structure prefabricated with electrical wiring, plumbing, and HVAC system, the method comprising: designing interior functions of each floor within the building structure; determining the positions of the electrical column, the plumbing column, the HVAC column, the electrical beams, the plumbing beams, and the HVAC beams in the building structure based on the interior design of the previous step, and these positions also comply with a location selection principle; installing the electrical column, the plumbing column, the HVAC column, the electrical beams, the plumbing beams and the HVAC beams; and connecting the electrical wires on the electrical columns and the electrical beams, the water pipes on the plumbing column and the plumbing beams, and the ventilation spaces in the HVAC column and the HVAC beams. Through above-mentioned method, the present invention is intended to realize rapid house building process with safety.Type: ApplicationFiled: September 16, 2022Publication date: March 21, 2024Inventors: Zhuangboyu Zhou, Jiuqi Wang, Keguan Zou, Sichen Li, Han Qin, Jiayang Qin
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Publication number: 20240094140Abstract: An on-line detection system for defects of an MEA is provided. The detection system includes a workbench, two connecting rods are arranged inside the workbench, two ends of the two connecting rods are both connected to two side walls of the workbench by means of bearings, and conveying rollers are fixedly arranged outside the two connecting rods in a sleeving manner. One side of the workbench is fixedly provided with a first electric motor, and an output end of the first electric motor is fixedly connected to one of the connecting rods. Belt pulleys are fixedly arranged outside the two connecting rods in a sleeving manner, and a belt is arranged outside the two belt pulleys in a sleeving manner. A hollow roller is arranged on an inner side of the workbench, and a plurality of exhaust holes are provided in a top of the hollow roller.Type: ApplicationFiled: August 18, 2023Publication date: March 21, 2024Applicant: China University of Petroleum (East China)Inventors: Min WANG, Jiexin ZOU, Mingbo WU, Han HU, Zhongtao LI, Debin KONG, Guanxiong WANG
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Publication number: 20240097419Abstract: The present invention provides a power cable system prefabricated in a building structure, the building structure contains at least one floor, and each floor has at least one starting column, a plurality of main beams and a plurality of auxiliary beams, the main beams are connected with the starting column, and the auxiliary beams are respectively connected with the main beams and the starting column; wherein main wires, first secondary wires, second secondary wires, and third secondary wires are correspondingly prefabricated on the starting column, the main beams, and the auxiliary beams respectively. Through those structure, the workers can quickly construct a power cable system while construct the beam-column system, which can significantly improve the construction efficiency.Type: ApplicationFiled: September 16, 2022Publication date: March 21, 2024Inventors: Zhuangboyu Zhou, Jiuqi Wang, Keguan Zou, Sichen Li, Han Qin, Jiayang Qin
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Publication number: 20240084539Abstract: A root-like expandable foundation pile is disclosed. It includes a movable drill, a foundation body, a number of foundation blade, a foundation cap and a stopper. The foundation blades are designed to have the warped portion protruding outward, so that they can expand outward by rotating the root-like expandable foundation pile in a direction different from that makes the root-like expandable foundation pile drilled into the soil. Extra bearing capacity can be available from the expanded foundation blades. Time and cost of installation can both be saved.Type: ApplicationFiled: September 13, 2022Publication date: March 14, 2024Inventors: Jiuqi Wang, Keguan Zou, Han Qin, Zhuangboyu Zhou, Sichen Li, Jiayang Qin, Xunmin Jiang, Ju Gao
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Patent number: 11894880Abstract: An automatic wireless fine-grained ratio map construction and adaptation system may include a Gaussian process regression (GPR) model constructed with real wireless received signal strength (RSS) measurements collected in a free space to provide coarse RSS estimation in a constrained space, and a generative adversarial network (GAN) to provide fine-grained RSS estimation in the constrained space by using an output of GPR as an input for a generator of GAN, modeling the irregular RSS distributions in complex indoor environments. The system may generate realistic RSS data in the constrained space that has not been manually site-surveyed.Type: GrantFiled: December 16, 2019Date of Patent: February 6, 2024Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIAInventors: Han Zou, Costas J. Spanos, Yuxun Zhou
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Publication number: 20240037057Abstract: A power stage configured for assigning each phase a unique address is disclosed. In particular, the disclosed power stage includes temporarily using a dedicated pulse width modulation (PWM) connection between a controller and a phase to assign a unique address to the phase. Then, after the assignment, the PWM connection may be returned to use for regulation, while the phases can communicate over a common communication bus using their assigned addresses. This addressed communication can be used to control a power state of all phases, all phases of a particular rail, or a particular phase. Controlling the power state with addressed commands communicated over a communication bus can help reduce the current consumed by the power stage during light load conditions or sleep states.Type: ApplicationFiled: July 29, 2022Publication date: February 1, 2024Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Han ZOU, Owen CREGG, Margaret SPILLANE, Paul J. HARRIMAN, Kevin KELLIHER
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Publication number: 20220124154Abstract: A system can include multiple WiFi-enabled commercial off the shelf (COTS) Internet of Things (IoT) devices disposed within an environment and configured to be a transmitter (TX) or a received (RX) to send or receive data over a WiFi radio frequency communication link. A server can be configured to receive and parse the CSI data transmitted from the RX, store the CSI data with a corresponding human identity label collected for training, train a human identification classifier using a Convex Clustered Concurrent Shapelet Learning (C3SL) method, and estimate an identification of a user based on the CSI data and the C3SL method.Type: ApplicationFiled: August 19, 2019Publication date: April 21, 2022Inventors: HAN ZOU, COSTAS SPANOS, YUXUN ZHOU, JIANFEI YANG, LIHUA XIE
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Publication number: 20220077944Abstract: An automatic wireless fine-grained ratio map construction and adaptation system may include a Gaussian process regression (GPR) model constructed with real wireless received signal strength (RSS) measurements collected in a free space to provide coarse RSS estimation in a constrained space, and a generative adversarial network (GAN) to provide fine-grained RSS estimation in the constrained space by using an output of GPR as an input for a generator of GAN, modeling the irregular RSS distributions in complex indoor environments. The system may generate realistic RSS data in the constrained space that has not been manually site-surveyed.Type: ApplicationFiled: December 16, 2019Publication date: March 10, 2022Inventors: Han Zou, Costas J. Spanos, Yuxun Zhou
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Publication number: 20220057855Abstract: A multiphase power supply including a controller and phases can respond to a drop in load level by reducing all but one active phase to reduce power consumption. If the load level drops further, further reduction of the power consumption could be achieved by reducing, changing, or disabling the functions of some circuits within the active phase during these conditions. Estimating these conditions, however, may be difficult for a controller when the communication between the controller and the phase is limited. The disclosure describes an active phase that estimates a state of the load based on a sensed output current and a pulse width modulation control signal. The active phase may change its operating mode to match the estimated state of the load so that lighter load conditions consume less power. Furthermore, the idle phase(s) may nearly turn off all function except PWM detection to save power. Because this mode change is local to the phase, no additional communication with the controller is required.Type: ApplicationFiled: August 20, 2021Publication date: February 24, 2022Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han ZOU
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Publication number: 20210279549Abstract: An Internet of Things (IoT) device can include a switch module configured to control a power supply for at least one powered device, a WiFi module configured to perform wireless communication and occupancy activity sensing, and a processor configured to determine human activity recognition WiFi measurements from the WiFi module based on the occupancy activity sensing and generate corresponding commands for the switch module based on the determined human activity recognition WiFi measurements.Type: ApplicationFiled: August 19, 2019Publication date: September 9, 2021Inventors: Costas Spanos, Han Zou, Yuxun Zhou
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Patent number: 11108322Abstract: A multi-phase switch-mode power supply to control an output in two possible modes is disclosed. A first mode can be applied for normal load conditions. In the first mode, control is achieved using an error signal based on a difference between an output voltage and a set voltage level. In heavy load conditions a load attempts to draw too more power than the switch-mode power supply can provide. As a result, control of the output voltage is lost and the current of each phase becomes saturated at a limit. When this condition is detected, a second mode can be applied. In the second mode, control is achieved using an error signal based on a difference between an output current and a set current level. The set current level is chosen so that the current of each phase is no longer saturated and control of the output current is maintained.Type: GrantFiled: November 5, 2019Date of Patent: August 31, 2021Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han Zou
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Publication number: 20210161805Abstract: A capsule includes a compressible reservoir and a gas generating unit disposed in a housing. A threshold valve seals an opening in the housing, through which contents of the reservoir may exit the capsule. Gas generated by the gas generating unit increases pressure in the capsule, thereby compressing the reservoir. When a pressure acting on the threshold valve reaches a threshold pressure, the threshold valve opens, releasing contents of the reservoir.Type: ApplicationFiled: February 8, 2021Publication date: June 3, 2021Inventors: Hans Zou, Jeffrey A. Shimizu, Ventzeslav Petrov Iordanov, Klaas Kerkhof, Christoph Wanke
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Publication number: 20210136617Abstract: A mobile device and user association system can include wireless routers to execute software for capturing data including received signal strength (RSS) values and media access controller (MAC) addresses for a number of mobile devices (MDs) from existing wireless fidelity (WiFi) traffic. The system can also include a server to receive the RSS values and MAC addresses of the MDs to estimate a location of each MD and generate historical location data of each MD, identify and filter out temporary MDs, classify each non-temporary MDs as either a static device (SD) or a mobile phone (MP), and associate a user with each SD and MP.Type: ApplicationFiled: May 23, 2019Publication date: May 6, 2021Inventors: HAN ZOU, COSTAS SPANOS, YUXUN ZHOU, JIANFEI YANG
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Publication number: 20210119532Abstract: A multi-phase switch-mode power supply to control an output in two possible modes is disclosed. A first mode can be applied for normal load conditions. In the first mode, control is achieved using an error signal based on a difference between an output voltage and a set voltage level. In heavy load conditions a load attempts to draw too more power than the switch-mode power supply can provide. As a result, control of the output voltage is lost and the current of each phase becomes saturated at a limit. When this condition is detected, a second mode can be applied. In the second mode, control is achieved using an error signal based on a difference between an output current and a set current level. The set current level is chosen so that the current of each phase is no longer saturated and control of the output current is maintained.Type: ApplicationFiled: November 5, 2019Publication date: April 22, 2021Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han ZOU
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Patent number: 10935999Abstract: A voltage regulator with a load line circuit is disclosed. The load line circuit is configured to receive a sensed voltage corresponding to an output current of the voltage regulator. The load line circuit is further configured to generate a complex (e.g., nonlinear) load line voltage that is combined with the output voltage of the voltage regulator and compared with a set voltage of the voltage regulator to produce an error signal. The error signal is used as feedback for the voltage regulator so that the output voltage of the voltage regulator can droop by a particular amount corresponding to a particular output current of the voltage regulator. The disclosed analog approach requires neither clock signals nor digital circuitry and utilizes a parallel topology that allows the disclosed approach to be fast and energy efficient.Type: GrantFiled: October 23, 2019Date of Patent: March 2, 2021Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han Zou
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Publication number: 20210034084Abstract: A voltage regulator with a load line circuit is disclosed. The load line circuit is configured to receive a sensed voltage corresponding to an output current of the voltage regulator. The load line circuit is further configured to generate a complex (e.g., nonlinear) load line voltage that is combined with the output voltage of the voltage regulator and compared with a set voltage of the voltage regulator to produce an error signal. The error signal is used as feedback for the voltage regulator so that the output voltage of the voltage regulator can droop by a particular amount corresponding to a particular output current of the voltage regulator. The disclosed analog approach requires neither clock signals nor digital circuitry and utilizes a parallel topology that allows the disclosed approach to be fast and energy efficient.Type: ApplicationFiled: October 23, 2019Publication date: February 4, 2021Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventor: Han ZOU
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Publication number: 20180318496Abstract: A drug delivery device (50) is provided comprising a drug reservoir (10) and a piston (11). The drug reservoir (10) is provided for comprising a drug and comprises a flexible wall (22) and a dispensing hole (15) for dispensing the drug into an environment of the drug delivery device (50). The piston (11) is provide for pressing against the flexible wall (22) to compress the drug reservoir (10) for pushing an amount of the drug through the dispensing hole (15). An adhesion interface (51) between a surface of the piston (11) and the flexible wall (22) prevents sliding between the surface of the piston (11) and the flexible wall (22).Type: ApplicationFiled: July 13, 2018Publication date: November 8, 2018Applicant: Progenity, Inc.Inventors: Hans Zou, Jeff Shimizu, Johan Frederik Dijksman
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Patent number: 10116216Abstract: An embodiment of a buck-boost power converter may include an inductor driver section configured to control four switches to control an output of the converter, and a PWM circuit to generate a PWM control signal responsive to an output level of the output. An embodiment of a switch control is configured to, when an on time of the second switch becomes less than a specified entry value, force the third switch to generate boot refreshing pulses with an on time of a specified duration value at a rate more than a specified frequency, and when an on time of the third switch becomes less than the specified entry value, force the second switch to generate boot refreshing pulses with an on time of the specified duration value at the rate more than the specified frequency.Type: GrantFiled: March 29, 2016Date of Patent: October 30, 2018Assignee: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLCInventors: Jinseok Park, Han Zou, Kedar Bharat Patel