Patents by Inventor Tai-An Wang
Tai-An Wang 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: 20240145911Abstract: An antenna correcting system is provided. The antenna correction system compares amplitudes of antenna signals that are emitted or received respectively by a plurality of antenna units with each other to select one of the amplitudes as target amplitude. The antenna correction system corrects the amplitude of each of the antenna signals according to the target amplitude. As a result, the amplitudes of the antenna signals are the same as each other or approximate to each other. After the amplitudes of the antenna signals are corrected, the antenna correction system compares phases of the antenna signals with each other to select one of the phases as a target phase. The antenna correction system corrects the phase of each of the antenna signals according to the target phase. As a result, the phases of the antenna signals are the same as each other or approximate to each other.Type: ApplicationFiled: November 17, 2022Publication date: May 2, 2024Inventors: YUNG-TAI HSU, CHUN-HENG CHAO, YEN-WEI WANG, BO-YU ZHU
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Publication number: 20240143159Abstract: An electronic whiteboard system and an operation method are provided. The electronic whiteboard system includes an electronic device. The electronic device includes a whiteboard module. The whiteboard module performs a writing operation. The whiteboard module groups a plurality of writing tracks to one grouping object in a track grouping mode of the writing operation according to a first operation command, and generates a writing message of the one grouping object.Type: ApplicationFiled: October 31, 2022Publication date: May 2, 2024Applicant: Optoma CorporationInventor: Wen-Tai Wang
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Publication number: 20240143160Abstract: An electronic whiteboard system and an operation method thereof are provided. The electronic whiteboard system includes an electronic device and a display. The electronic device includes a whiteboard module. The whiteboard module is configured to perform a writing operation. The whiteboard module is configured to generate a writing data according to a writing event, and recognize the writing data to determine a text information, and determine a corresponding computer text according to the text information. The display is connected to the whiteboard module. The display is configured to display the corresponding computer text or a preset writing picture according to the corresponding computer text.Type: ApplicationFiled: October 31, 2022Publication date: May 2, 2024Applicant: Optoma CorporationInventor: Wen-Tai Wang
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Publication number: 20240143158Abstract: An electronic whiteboard system and an operation method are provided. The electronic whiteboard system includes an electronic device. The electronic device includes a whiteboard module. The whiteboard module performs a writing operation. The whiteboard module determines whether a writing track of the writing operation is a straight track or a curved track, and adjust the writing track to an adjusted writing track according to a corresponding parametric curve, and generate a writing message according to the adjusted writing track.Type: ApplicationFiled: October 31, 2022Publication date: May 2, 2024Applicant: Optoma CorporationInventor: Wen-Tai Wang
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Publication number: 20240134155Abstract: An imaging optical lens assembly includes four lens elements which are, in order from an object side to an image side: a first lens element, a second lens element, a third lens element and a fourth lens element. Each of the four lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. At least one of all lens surfaces of the four lens elements is aspheric and has at least one inflection point.Type: ApplicationFiled: October 9, 2023Publication date: April 25, 2024Applicant: LARGAN PRECISION CO., LTD.Inventors: Yu-Tai TSENG, Yu-Chun KE, Kuo-Jui WANG, Tzu-Chieh KUO
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Patent number: 11955370Abstract: A system and methods of forming a dielectric material within a trench are described herein. In an embodiment of the method, the method includes introducing a first precursor into a trench of a dielectric layer, such that portions of the first precursor react with the dielectric layer and attach on sidewalls of the trench. The method further includes partially etching portions of the first precursor on the sidewalls of the trench to expose upper portions of the sidewalls of the trench. The method further includes introducing a second precursor into the trench, such that portions of the second precursor react with the remaining portions of the first precursor to form the dielectric material at the bottom of the trench.Type: GrantFiled: September 18, 2020Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Bo-Cyuan Lu, Ting-Gang Chen, Sung-En Lin, Chunyao Wang, Yung-Cheng Lu, Chi On Chui, Tai-Chun Huang, Chieh-Ping Wang
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Publication number: 20240102213Abstract: The present application relates to systems, devices and methods for three-dimensional surface weaving. The system comprises a jacquard device, a weaving device and a roller matrix. The jacquard device configured to selectively raise or lower the wrap threads to form a shed for the weft thread to travel; the weaving device configured to carry the weft thread into the shed and weave the weft thread on the wrap threads; and the roller matrix with individually controlled rotate apparatus configured to control the wrap threads to move forward or backward. The wrap threads come from rotate apparatus installed on the roller matrix. The rotate apparatus is controlled individually to forward or reverse rotate, so that the attached wrap thread is able to be longer or shorter. As the wrap threads can be shortened during weaving process, the three-dimensional surface can be produced.Type: ApplicationFiled: September 21, 2023Publication date: March 28, 2024Inventors: Yeung YAM, Xiangjia Chen, Man Lip Lai, Changling Charlie Wang, Man Tai Andy Wong
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Publication number: 20240102214Abstract: The present application relates to control command generation methods and systems for three-dimensional surface weaving. The control command generation method comprises the steps of: rebuilding a desired three-dimensional object into a three-dimensional surface mesh; converting the three-dimensional surface mesh into readable weaving information; and generating control commands from the readable weaving information to instruct a three-dimensional surface weaving system. The control command generation method generally comprises a pipeline of software including the mesh processing, weaving map extraction and command generation. The control command generation method can enable three-dimensional surface weaving function.Type: ApplicationFiled: September 21, 2023Publication date: March 28, 2024Inventors: Yeung YAM, Xiangjia CHEN, Man Lip LAI, Changling Charlie WANG, Man Tai Andy WONG
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Publication number: 20240088124Abstract: A semiconductor structure, comprising a redistribution layer (RDL) including a dielectric layer and a conductive trace within the dielectric layer; a first conductive member disposed over the RDL and electrically connected with the conductive trace; a second conductive member disposed over the RDL and electrically connected with the conductive trace; a first die disposed over the RDL; a second die disposed over the first die, the first conductive member and the second conductive member; and a connector disposed between the second die and the second conductive member to electrically connect the second die with the conductive trace, wherein the first conductive member is electrically isolated from the second die.Type: ApplicationFiled: November 24, 2023Publication date: March 14, 2024Inventors: HSIANG-TAI LU, SHUO-MAO CHEN, MILL-JER WANG, FENG-CHENG HSU, CHAO-HSIANG YANG, SHIN-PUU JENG, CHENG-YI HONG, CHIH-HSIEN LIN, DAI-JANG CHEN, CHEN-HUA LIN
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Patent number: 11915889Abstract: A control device is provided. A key structure of the control device includes a keycap, an optical film layer and a membrane switch. A protrusion structure is formed on the optical film layer or the membrane switch. When the keycap is pressed down by the user, the arrangement of the protrusion structure can facilitate the user to trigger the underlying membrane switch more precisely.Type: GrantFiled: June 14, 2022Date of Patent: February 27, 2024Assignee: PRIMAX ELECTRONICS LTD.Inventors: Yung-Tai Pan, Chun-Nan Su, Chien-Pang Chien, Ting-Sheng Wang
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Patent number: 11904263Abstract: A connection assembly includes a manifold configured to attach a removable cartridge and a connector pipe with a flange. The flange is disposed between an upper plate and a lower plate of the manifold and has a width that prevents tilting of the connector pipe at greater than a maximum tilt angle. The connector pipe is configured to be inserted into a port of the removable cartridge in which an O-ring is compressed between the connector and the port. A filter assembly includes a manifold, a filter removably attached to the manifold, a connector pipe with a flange disposed between an upper plate and a lower plate of the manifold, and an O-ring. The O-ring is compressed between the connector pipe and the port.Type: GrantFiled: July 8, 2021Date of Patent: February 20, 2024Assignee: ENTEGRIS, INC.Inventors: Junya Takahashi, Cheng-Tai Wang
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Publication number: 20240047255Abstract: A wafer alignment assembly is provided. The wafer alignment assembly includes: a first tapered wall extending in a first horizontal direction; a first spring wall attached to an inner surface of the first tapered wall; a first set of conveyor rollers configured to rotate; a second tapered wall extending in the first horizontal direction, wherein the first tapered wall and the second tapered wall are characterized by a tapered shape that facilitates entry of a wafer assembly; a second spring wall attached to an inner surface of the first tapered wall; and a second set of conveyor rollers configured to rotate.Type: ApplicationFiled: August 4, 2022Publication date: February 8, 2024Inventors: Chia-Ching Lee, Tung-Hsuan Tsai, Hsin-Tai Wang, Chen Liang Chang, Kuo Hui Chang, Chi-Chun Peng
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Publication number: 20240036800Abstract: An electronic whiteboard system and an operation method thereof are provided. The electronic whiteboard system includes a data processing device. The data processing device calculates an original message amount of an original object move message according to an object move operation on a cloud electronic whiteboard operated by one of the client devices. The data processing device simulates a grouping message amount of a grouping object move message according to the object move operation. The data processing device compares the original message amount and the grouping message amount to determine whether to generate the grouping object move message, and transmits the original object move message or the grouping object move message to other of the plurality of client devices.Type: ApplicationFiled: July 26, 2022Publication date: February 1, 2024Applicant: Optoma CorporationInventors: Wen-Tai Wang, Ron-Fu Chen, Cheng-Kang Ho
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Publication number: 20230359319Abstract: An electronic whiteboard system includes a data processing equipment receiving a plurality of first editing information provided by at least a portion of a plurality of client-end equipment, sorting and grouping the plurality of first editing information to select and sort from the plurality of first editing information as a plurality of pre-processing information, calculating a plurality of priority scores of the plurality of pre-processing information, sorting the plurality of pre-processing information according to the plurality of priority scores, verifying whether the plurality of pre-processing information sorted according to the priority scores are permitted to select at least one of the plurality of pre-processing information verified as permitted to generate second editing information, and executing the second editing information, so that the plurality of client-end equipment display editing results of a cloud electronic whiteboard corresponding to the second editing information.Type: ApplicationFiled: April 27, 2023Publication date: November 9, 2023Applicant: Optoma CorporationInventors: Wen-Tai Wang, Ron-Fu Chen, Cheng-Kang Ho
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Publication number: 20230236980Abstract: Disclosed are an on-demand shared data caching method, a computer program, and a computer readable medium applicable for distributed deep learning computing. The method includes a step of dynamically building a distributed shared memory cache space, in which a distributed shared memory deployment and data file access management module is added to a deep learning framework to build the distributed shared memory cache space by a memory set of a multiple of computing nodes of a cluster computer; and a distributed deep learning computing step, in which the computing node overrides a Dataset API of the deep learning framework to execute the distributed deep learning computing. When reading a data file, if the data file exists in the distributed shared memory cache space, then it will be accessed directly, or else it will be obtained from an original specified directory location and stored in the distributed shared memory cache space.Type: ApplicationFiled: July 5, 2022Publication date: July 27, 2023Inventors: YU-BIN FANG, SHUEN-TAI WANG, CHAU-YI CHOU
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Patent number: 11569220Abstract: An electrostatic discharge (ESD) protection device includes a first clamping circuit, a second clamping circuit, and a diode circuit. The first clamping circuit is coupled between a first power rail and a second power rail. The second clamping circuit is coupled between a third power rail and the second power rail. The diode circuit is configured to steer an ESD current from an input/output pad to at least one of the first clamping circuit or the third power rail. The first power rail receives a first voltage, the second power rail receives a second voltage, the third power rail receives a third voltage, the third voltage is higher than the first voltage, and the first voltage is higher than the second voltage.Type: GrantFiled: December 25, 2019Date of Patent: January 31, 2023Assignees: GLOBAL UNICHIP CORPORATION, TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventor: Wen-Tai Wang
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Publication number: 20220417449Abstract: The invention relates to a multimedia system and a multimedia operation method. The multimedia system includes a first portable electronic device, a collaboration device, a camera, and an audio-visual processing device. The first portable electronic device provides a first operation instruction. The collaboration device is coupled to the first portable electronic device and receives the first operation instruction. The collaboration device provides a multimedia picture, and the multimedia picture is changed with the first operation instruction. The camera provides a video image. The audio-visual processing device is coupled to the collaboration device and the camera, and the audio-visual processing device receives the multimedia picture and a video image, and outputs a synthesized image with an immersive audio-visual effect according to the multimedia picture and the video image.Type: ApplicationFiled: June 28, 2022Publication date: December 29, 2022Applicant: Optoma CorporationInventors: Wen-Tai Wang, Sheng-Feng Chang
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Patent number: 11527048Abstract: A method for simulating setting of a projector by augmented reality (AR) includes: activating an AR application on a terminal device; performing, through an image capturing element of the terminal device, dimension measurement on a space where a projector is to be disposed to obtain a space dimension; selecting a placement reference point of the projector and a display reference point of a projection picture; generating, according to the space dimension, the placement reference point, and the display reference point, a simulation picture on the terminal device when the projector projects the projection picture in the space; adjusting the projection picture and/or the projector in the simulation picture to generate an adjusted simulation picture; and comparing the adjusted simulation picture with projector parameter data of projector models to recommend at least one projector model to a user for selection or inputting, by the user, a custom projector model.Type: GrantFiled: June 22, 2021Date of Patent: December 13, 2022Assignee: Optoma CorporationInventors: Wen-Tai Wang, Chi-Lin Lee, Te-Hsin Chen, Ekrem Tapan
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Patent number: 11412024Abstract: Embodiments of the present disclosure relate to a method, apparatus, electronic device for determining an access path of a content delivery network, and a computer readable medium. A method may include: acquiring, in response to determining that an edge node receiving a user request fails to cache a requested resource, access performance information of each node in the content delivery network, and determining a target path from the edge node receiving the user request via a preset node corresponding to a requested target source station in the content delivery network to the target source station based on the access performance information of the each node in the content delivery network, where the preset node pre-establishes a connection with the requested target source station, and a distance between the preset node and the target source station meets a preset distance condition.Type: GrantFiled: November 6, 2019Date of Patent: August 9, 2022Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.Inventors: Yongqiang Wu, Yixing Sun, Tai Wang
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Publication number: 20220222922Abstract: Object recognition methods and devices, and storage media are provided. In one aspect, an object recognition method includes: acquiring to-be-processed point cloud data and processing the to-be-processed point cloud data to obtain target point cloud data, the to-be-processed point cloud data including point cloud data of an to-be-recognized object; recognizing the to-be-recognized object from the target point cloud data and determining a target feature of the to-be-recognized object; and determining, according to the target feature, a target category to which the to-be-recognized object belongs among a plurality of categories to obtain a recognition result for the to-be-recognized object. The recognition result includes at least the target category.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Inventors: Xinge ZHU, Tai WANG, Yan XU, Jianping SHI, Dahua LIN