Patents by Inventor Ruey-Beei Wu
Ruey-Beei Wu 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: 20210282033Abstract: A positioning system for integrating machine learning positioning models and a positioning method for the same are provided. The positioning system includes a DUT (device under test) and a scalable backend subsystem. The DUT obtains current WI-FI® fingerprint data. The scalable backend subsystem communicates with the DUT, and includes a database server, a processing unit, a plurality of machine learning positioning service modules, and a DUT service module. The database server stores a plurality of records of machine learning positioning model data, configuration data and setting data defining a positioning inference path.Type: ApplicationFiled: December 29, 2020Publication date: September 9, 2021Inventors: ALEXANDER I CHI LAI, Ruey-Beei Wu
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Publication number: 20210274496Abstract: A positioning system and a positioning method based on WI-FI® fingerprints are provided.Type: ApplicationFiled: December 30, 2020Publication date: September 2, 2021Inventors: CHUNG-YUAN CHEN, ALEXANDER I CHI LAI, Ruey-Beei Wu
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Publication number: 20210274460Abstract: A positioning system and a method based on neural network models are provided. The positioning method includes collecting WI-FI® fingerprint data; configuring a computing device to receive the WI-FI® fingerprint data, and the computing device includes a processor and a database storing positioning map data and a group of neural network models including a global positioning model, a coarse positioning model and a fine positioning model; configuring the processor to input the WI-FI® fingerprint data and perform the following steps: estimating a global coordinate through the global positioning model; obtaining the corresponding coarse positioning model from a corresponding primary sub-region to estimate an estimated coarse coordinate of a current position; estimating a plurality of estimated fine coordinates of the current position from the corresponding fine positioning model; and performing a merging process on the estimated fine coordinates to generate a final coordinate.Type: ApplicationFiled: February 25, 2021Publication date: September 2, 2021Inventors: CHUNG-YUAN CHEN, ALEXANDER I CHI LAI, Ruey-Beei Wu
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Publication number: 20210274310Abstract: A system for establishing positioning map data and a method for the same are provided.Type: ApplicationFiled: October 13, 2020Publication date: September 2, 2021Inventors: CHUNG-YUAN CHEN, ALEXANDER I CHI LAI, Ruey-Beei Wu
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Publication number: 20210185799Abstract: An electromagnetic band gap structure apparatus includes a first conducting layer having at least one first slot. Each of the at least one slot is arranged with a planar conductor unit, and the each planar conductor unit is coupled to a first via. The electromagnetic band gap structure apparatus further includes a second conducting layer in parallel with the first conducting layer. The second conducting layer has a second slot. The second slot is arranged with at least one planar transmission line unit. The each of the at least one planar transmission line unit is coupled to the first conducting layer through a second via, and the each first via is coupled to the second conducting layer.Type: ApplicationFiled: July 23, 2020Publication date: June 17, 2021Inventors: Hsin-Chan HSIEH, Ruey-Beei WU, Shih-Hung WANG, Ting-Ying WU
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Patent number: 11002824Abstract: An ultra-wideband (UWB)-assisted precise positioning system, which includes a plurality of mobile base stations (MBSs) and a central control base station (CBS). The central CBS and the MBSs are configured to: measure, by the UWB communication module, distances between the MBSs, such that the moving module controls the MBSs to have a predetermined distance from one another and form a predetermined pattern; configure the global satellite positioning (GPS) modules to perform positioning to obtain a plurality of initial positions; execute a pattern search algorithm to generate a plurality of corrected positions; generate a plurality of predicted positions to be input to a cost function for finding a plurality of final predicted positions having relatively smallest errors; measure, by the UWB communication module, distances of a test object relative to the MBSs and calculate a position of the test object.Type: GrantFiled: August 22, 2019Date of Patent: May 11, 2021Assignee: PSJ INTERNATIONAL LTD.Inventors: Ruey-Beei Wu, Yu-Chih Chen
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Patent number: 10939406Abstract: An ultra-wideband assisted precise positioning method includes: arranging a plurality of base stations in a target area; configuring a mobile base station to move to a plurality of predetermined positions; configuring a GPS module to obtain GPS position information and GPS altitude information; configuring first ultra-wideband communication modules and a second ultra-wideband communication module to measure distance information; configuring a computing module to execute a first positioning algorithm to calculate a plurality of base station coordinates; arranging a third ultra-wideband communication module on an object to be measured; configuring the first ultra-wideband communication modules and the third ultra-wideband communication module to obtain detection distances; and configuring the computing module to execute a second positioning algorithm to calculate a positioning position of the object to be measured based on the detection distances and the plurality of base station coordinates.Type: GrantFiled: August 26, 2020Date of Patent: March 2, 2021Assignee: PSJ INTERNATIONAL LTD.Inventor: Ruey-Beei Wu
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Patent number: 10856405Abstract: A 3D electromagnetic bandgap circuit includes: a dielectric layer having a first surface and an opposing second surface; a spiral element positioned on the first surface; a first surrounding element positioned on the first surface and surrounding the spiral element, but does not touch with the spiral element; a plane element positioned on the second surface and including a notch; a second surrounding element positioned on the second surface and surrounding the plane element, but does not touch with the plane element, wherein the second surrounding element further includes a protruding portion extending toward the notch; a first via passing through the dielectric layer, the spiral element, and the protruding portion; a second via passing through the dielectric layer, the plane element, and the first surrounding element; and a third via passing through the dielectric layer, the plane element, and the first surrounding element.Type: GrantFiled: May 15, 2019Date of Patent: December 1, 2020Assignee: REALTEK SEMICONDUCTOR CORP.Inventors: Yu-Cong Wang, Ruey-Beei Wu, Shih-Hung Wang, Wen-Shan Wang
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Publication number: 20200309895Abstract: An ultra-wideband (UWB)-assisted precise positioning system, which includes a plurality of mobile base stations (MBSs) and a central control base station (CBS). The central CBS and the MBSs are configured to: measure, by the UWB communication module, distances between the MBSs, such that the moving module controls the MBSs to have a predetermined distance from one another and form a predetermined pattern; configure the global satellite positioning (GPS) modules to perform positioning to obtain a plurality of initial positions; execute a pattern search algorithm to generate a plurality of corrected positions; generate a plurality of predicted positions to be input to a cost function for finding a plurality of final predicted positions having relatively smallest errors; measure, by the UWB communication module, distances of a test object relative to the MBSs and calculate a position of the test object.Type: ApplicationFiled: August 22, 2019Publication date: October 1, 2020Inventors: Ruey-Beei Wu, YU-CHIH CHEN
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Publication number: 20200307784Abstract: The present invention provides an unmanned aerial vehicle and an unmanned aerial vehicle controlling system. The unmanned aerial vehicle controlling system includes the unmanned aerial vehicle and a controller. The unmanned aerial vehicle has a body, a first localization module and a second localization module. The first localization module and the second localization module are disposed on the body respectively facing a first direction and a second direction. The controller is used for sending a localization signal to the first localization module and a second localization module. The unmanned aerial vehicle controls the direction that the body faces and the distance between the unmanned aerial vehicle and the controller.Type: ApplicationFiled: March 25, 2019Publication date: October 1, 2020Inventors: Ruey-Beei Wu, Shau-Gang Mao
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Patent number: 10763580Abstract: A real-time data transmission system includes an aerial device and a base station. The aerial device has a first antenna module transmitting data in a frequency band with wide-bandwidth and high-speed transmission characteristics. The base station includes a second antenna module configured to receive data from the first antenna module of the aerial device in the frequency band. The radiation direction of the second antenna is adjustable in accordance with the position of the aerial device.Type: GrantFiled: March 27, 2018Date of Patent: September 1, 2020Assignee: PSJ INTERNATIONAL LTD.Inventors: Ruey-Beei Wu, Shau-Gang Mao
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Publication number: 20200267875Abstract: An electronic apparatus having noise suppression mechanism is provided that includes a circuit board, a wireless communication circuit, a digital signal generation circuit, a metal shield and a grounding metal pillar. The wireless communication circuit is disposed on a chip disposing area of the circuit board and performs wireless communication within a wireless signal frequency range. The digital signal generation circuit is disposed on the chip disposing area and generates a digital signal transmitted through a transmission path within the chip disposing area. The metal shield is coupled to the circuit board to cover the chip disposing area. The grounding metal pillar is disposed on the chip disposing area of the circuit board. The grounding metal pillar extends for contacting the metal shield and increases a resonant frequency of the metal shield.Type: ApplicationFiled: February 14, 2020Publication date: August 20, 2020Inventors: Hao-Wei CHAN, Ruey-Beei WU, Shih-Hung WANG, Wen-Shan WANG
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Publication number: 20190357349Abstract: A 3D electromagnetic bandgap circuit includes: a dielectric layer having a first surface and an opposing second surface; a spiral element positioned on the first surface; a first surrounding element positioned on the first surface and surrounding the spiral element, but does not touch with the spiral element; a plane element positioned on the second surface and including a notch; a second surrounding element positioned on the second surface and surrounding the plane element, but does not touch with the plane element, wherein the second surrounding element further includes a protruding portion extending toward the notch; a first via passing through the dielectric layer, the spiral element, and the protruding portion; a second via passing through the dielectric layer, the plane element, and the first surrounding element; and a third via passing through the dielectric layer, the plane element, and the first surrounding element.Type: ApplicationFiled: May 15, 2019Publication date: November 21, 2019Applicant: Realtek Semiconductor Corp.Inventors: Yu-Cong WANG, Ruey-Beei WU, Shih-Hung WANG, Wen-Shan WANG
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Patent number: 10483938Abstract: A tunable filter includes a first circuit and a second circuit. In both of them, the first inductor and the second inductor are connected in serial, and further connected with the first capacitor in parallel. The first end of the second capacitor is connected between the first inductor and the second inductor, and the second end of the second capacitor is grounded. The first end of the first capacitor of the first circuit is coupled to the input end of the tunable filter through a first coupling capacitor. The second end of the first capacitor of the first circuit is coupled to the first end of the first capacitor of the second circuit through a second coupling capacitor. The second end of the first capacitor of the second circuit is coupled to the output end of the tunable filter through a third coupling capacitor.Type: GrantFiled: January 15, 2018Date of Patent: November 19, 2019Assignee: NATIONAL TAIWAN UNIVERSITYInventors: Chia-Chia Lin, Han-Yun Tsai, Ruey-Beei Wu
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Publication number: 20190115897Abstract: A tunable filter includes a first circuit and a second circuit. In both of them, the first inductor and the second inductor are connected in serial, and further connected with the first capacitor in parallel. The first end of the second capacitor is connected between the first inductor and the second inductor, and the second end of the second capacitor is grounded. The first end of the first capacitor of the first circuit is coupled to the input end of the tunable filter through a first coupling capacitor. The second end of the first capacitor of the first circuit is coupled to the first end of the first capacitor of the second circuit through a second coupling capacitor. The second end of the first capacitor of the second circuit is coupled to the output end of the tunable filter through a third coupling capacitor.Type: ApplicationFiled: January 15, 2018Publication date: April 18, 2019Inventors: Chia-Chia Lin, Han-Yun Tsai, Ruey-Beei Wu
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Publication number: 20190096444Abstract: A circuit for a memory system including a plurality of memories, including: a plurality of connection traces coupled in series, each connection trace having a first end, and a second end coupled to a terminal of a memory of the plurality of memories; wherein an equivalent impedance of a first connection trace of the plurality of connection traces is different with the equivalent impedance of the second connection trace of the plurality of connection traces, the first connection trace being coupled to the second connection trace in series.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventors: Chih-Chia Chiu, Ruey-Beei Wu, Ting-Ying Wu, Wen-Shan Wang, GERCHIH CHOU
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Patent number: 10111329Abstract: A flexible flat cable structure capable of improving crosstalk interference includes plural telecommunication signal conductors separated from one another and provided for transmitting differential signals, two support members installed on two lateral sides of the telecommunication signal conductor respectively, at least one filled material disposed between the telecommunication signal conductors. The ratio of the equivalent dielectric constant of the filled material to the equivalent dielectric constant of the support members falls within a range of 0.39˜0.27, and the ratio of the thickness of the filled material to the thickness of the support members falls within a range of 1.49˜1.37.Type: GrantFiled: May 5, 2017Date of Patent: October 23, 2018Assignee: PORTWELL INC.Inventors: Ruey Beei Wu, Shih Ya Huang, Chia Tsung Liu, Shih Hsing Ku
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Publication number: 20180294563Abstract: A real-time data transmission system includes an aerial device and a base station. The aerial device has a first antenna module transmitting data in a frequency band with wide-bandwidth and high-speed transmission characteristics. The base station includes a second antenna module configured to receive data from the first antenna module of the aerial device in the frequency band. The radiation direction of the second antenna is adjustable in accordance with the position of the aerial device.Type: ApplicationFiled: March 27, 2018Publication date: October 11, 2018Inventors: RUEY-BEEI WU, SHAU-GANG MAO
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Patent number: 9947624Abstract: The invention provides a semiconductor package assembly with a TSV interconnect. The semiconductor package assembly includes a first semiconductor package mounted on a base, having: a semiconductor die, a semiconductor substrate, and a first array of TSV interconnects and a second array of TSV interconnects formed through the semiconductor substrate, wherein the first array and second array of TSV interconnects are separated by an interval region. The assembly further includes a second semiconductor die mounted on the first semiconductor package, having a ground pad thereon. One of the TSV interconnects of the first semiconductor package has a first terminal coupled to the ground pad of the second semiconductor die and a second terminal coupled to an interconnection structure disposed on a front side of the semiconductor substrate.Type: GrantFiled: December 29, 2016Date of Patent: April 17, 2018Assignee: MediaTek Inc.Inventors: Ming-Tzong Yang, Cheng-Chou Hung, Wei-Che Huang, Yu-Hua Huang, Tzu-Hung Lin, Kuei-Ti Chan, Ruey-Beei Wu, Kai-Bin Wu
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Patent number: 9948280Abstract: Disclosed is a two-capacitor-based filter design method comprising: determining a frequency f1 and a fractional bandwidth ratio FBW; selecting a first and a second capacitors according to f1 and FBW, in which a resonant frequency fC1 of the first capacitor is equal to f1×(1?N×FBW), a resonant frequency fC2 of the second capacitor is equal to f1×(1+M×FBW), and each of N and M is a positive number less than one; and determining a length of a first transmission line according to fC1 and a signal speed, and determining a length of a second transmission line according to fC2 and the signal speed. The first capacitor is coupled between a center of the first transmission line and ground, the second capacitor is coupled between a center of the second transmission line and ground, and the first and second transmission lines are connected in series.Type: GrantFiled: March 22, 2017Date of Patent: April 17, 2018Assignee: REALTEK SEMICONDUCTOR CORPORATIONInventors: Po-Chun Chen, Ruey-Beei Wu, Ting-Ying Wu, Wen-Shan Wang, Gerchih Chou