Patents by Inventor Po-Wei Huang
Po-Wei Huang 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: 20250023439Abstract: An offset overlap type of a modulated ferromagnetic pole piece ring and a manufacturing method thereof are provided. The modulated ferromagnetic pole piece ring comprises a plurality of ring pieces overlapped with each other. At least one ring piece comprises a plurality of main ribs, a plurality of inner ribs, and a plurality of outer ribs. The main ribs are arranged in a circular manner with intervals in between, and a plurality of first gaps and a plurality of second gaps are formed alternately between the main ribs, wherein the inner ribs are respectively located in the first gaps, and the outer ribs are respectively located in the second gaps.Type: ApplicationFiled: April 10, 2024Publication date: January 16, 2025Applicant: National Cheng Kung UniversityInventors: Mi-ching TSAI, Po-wei HUANG, Wen-hao YANG, Tsung-wei CHANG
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Publication number: 20240232116Abstract: A baseboard management control device is provided. The baseboard management control device includes an input and output device and a baseboard management controller. The input and output device includes a sensing device. The sensing device is coupled to multiple input pins and multiple output pins to sense and write the target data, respectively. The baseboard management controller includes a storage device and a main processor. The storage device is configured to pre-store the target data. The main processor is coupled to the storage device and reads the target data in the storage device according to a predetermined cycle. The baseboard management controller and the input and output device are respectively located on different circuit boards.Type: ApplicationFiled: May 4, 2023Publication date: July 11, 2024Applicant: ASPEED Technology Inc.Inventors: Po-Wei Huang, Chih-Chiang Mao
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Patent number: 12006942Abstract: A serial-type diagonal fan assembly having a first fan and at least one second fan is provided. The first fan has a first front fan frame and a first fan wheel. A first hub of the first fan wheel has a radial cross-sectional area increased from a top toward a bottom of the first hub. The second fan has a second front fan frame and a second fan wheel, the second hub of the second fan wheel has an axial cross-sectional area increased from a top to a bottom of the second hub. The first fan and the second fan are arranged in a series. A spoiler is arranged on a second air inlet of the second front fan frame, an outer edge of the spoiler is embedded in a positioning groove of the second front fan frame without protruding from the second front fan frame.Type: GrantFiled: August 24, 2021Date of Patent: June 11, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Po-Wei Huang, Chien-Ming Lee, Shun-Chen Chang
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Publication number: 20240082780Abstract: A method for purification of electronic gases and a purification device for the method are disclosed: a purification device is internally equipped with a plurality of hollow fiber tubes for purification and outward discharge of an unpurified electronic gas; a purification device which is not operating gas purification allows purified electronic gases to pass for discharges of fine dusts from the purification device wherein the purified electronic gases after completion of renewal process are delivered into the purification device in which no gas purification is running for restore of backpressure in the device.Type: ApplicationFiled: September 14, 2022Publication date: March 14, 2024Inventor: Po-Wei HUANG
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Patent number: 11677303Abstract: A motor and a coreless stator coil winding unit thereof are disclosed. The coreless stator coil winding unit includes an overlapping coil winding assembly and a non-overlapping coil winding assembly. The overlapping coil winding assembly includes a plurality of first coils arranged annularly and a plurality of second coils arranged annularly. The first coils and the second coils overlap with a phase difference. The non-overlapping coil winding assembly includes a plurality of third coils arranged annularly. The third coils are each located between an adjacent one of the first coils and an adjacent one of the second coils. Thus, the back electromotive force constant and torque constant of the motor have a better performance.Type: GrantFiled: October 21, 2021Date of Patent: June 13, 2023Assignee: National Cheng Kung UniversityInventors: Mi-Ching Tsai, Min-Fu Hsieh, Kai-Jung Shih, Po-Wei Huang, Lucio Jose Fernando Caceres Vera, Shang-Hui Shen, Jung-Kun Chiu, Hsin-Yu Chiu
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Publication number: 20230130551Abstract: A motor and a coreless stator coil winding unit thereof are disclosed. The coreless stator coil winding unit includes an overlapping coil winding assembly and a non-overlapping coil winding assembly. The overlapping coil winding assembly includes a plurality of first coils arranged annularly and a plurality of second coils arranged annularly. The first coils and the second coils overlap with a phase difference. The non-overlapping coil winding assembly includes a plurality of third coils arranged annularly. The third coils are each located between an adjacent one of the first coils and an adjacent one of the second coils. Thus, the back electromotive force constant and torque constant of the motor have a better performance.Type: ApplicationFiled: October 21, 2021Publication date: April 27, 2023Inventors: MI-CHING TSAI, MIN-FU HSIEH, KAI-JUNG SHIH, PO-WEI HUANG, LUCIO JOSE FERNANDO CACERES VERA, SHANG-HUI SHEN, JUNG-KUN CHIU, HSIN-YU CHIU
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Publication number: 20220386886Abstract: The present disclosure provides a non-contact heart rhythm category monitoring system, which includes steps as follows. Facial images are continuously captured through an image sensor; images of a continuous target area for a predetermined duration are extracted from the facial images; non-contact physiological signal related to heartbeats are captured from the images of the continuous target area; the non-contact physiological signal are classified into a normal heart rhythm, an atrial fibrillation and a non-atrial fibrillation arrhythmia.Type: ApplicationFiled: October 26, 2021Publication date: December 8, 2022Inventors: Bing-Fei WU, Yin-Yin YANG, Po-Wei HUANG, Bing-Jhang WU, Shao-En CHENG
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Patent number: 11517253Abstract: A device for liveness detection is disclosed. The liveness detecting device has a simplest structure that principally comprises a light sensing unit and a signal processing module. Particularly, the signal processing module is configured for having a physiological feature extracting unit and a liveness detecting unit therein. The physiological feature extracting unit is adopted for extracting a first physiological feature from a PPG signal, or extracting a second physiological feature from the PPG signal that has been applied with a signal process. As such, through the first and second physiological features, the liveness detecting unit is able to determine whether a subject is a living body or not. The liveness detecting device does not use any camera unit and iPPG technology, such that the liveness detecting device has advantages of simple structure, low cost and immediately completing liveness detection.Type: GrantFiled: August 2, 2020Date of Patent: December 6, 2022Assignee: FACEHEART INC.Inventors: Bing-Jhang Wu, Chih-Wei Liu, Po-Wei Huang, Bing-Fei Wu
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Patent number: 11392325Abstract: A system and method for simultaneously programming flash memory devices in a computing device is disclosed. The computing system includes a switching unit that includes an input and multiple outputs. The switching unit connects the input to one or more of the outputs. Each of the flash memory devices is coupled to one of the outputs of the switching unit. A control bus is coupled to the switching unit. The control bus carries a control signal to select one or more of the outputs for connection to the input. A programming interface bus is coupled to the input of the switching unit. A controller is coupled to the control bus and the programming interface bus. The controller selects the memory devices for providing programming over the programming interface bus.Type: GrantFiled: September 28, 2020Date of Patent: July 19, 2022Assignee: QUANTA COMPUTER INC.Inventors: Chih-Chia Huang, Po-Wei Huang, Te-Hsien Lai, Yi-Hung Shen
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Patent number: 11315350Abstract: A method for assessing driver fatigue is implemented by a processor and includes steps of: based on images of a driver captured by an image capturing device, obtaining an entry of physiological information that indicates a physiological state of the driver; based on one of the images of the driver, obtaining an entry of facial expression information that indicates an emotional state of the driver; based on one of the images of the driver, obtaining an entry of behavioral information that indicates driver behavior of the driver; and based on the entry of physiological information, the entry of facial expression information and the entry of behavioral information, obtaining a fatigue score that indicates a level of fatigue of the driver.Type: GrantFiled: September 3, 2019Date of Patent: April 26, 2022Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei Wu, Kuan-Hung Chen, Po-Wei Huang, Yin-Cheng Tsai
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Publication number: 20220100421Abstract: A system and method for simultaneously programming flash memory devices in a computing device is disclosed. The computing system includes a switching unit that includes an input and multiple outputs. The switching unit connects the input to one or more of the outputs. Each of the flash memory devices is coupled to one of the outputs of the switching unit. A control bus is coupled to the switching unit. The control bus carries a control signal to select one or more of the outputs for connection to the input. A programming interface bus is coupled to the input of the switching unit. A controller is coupled to the control bus and the programming interface bus. The controller selects the memory devices for providing programming over the programming interface bus.Type: ApplicationFiled: September 28, 2020Publication date: March 31, 2022Inventors: Chih-Chia HUANG, Po-Wei HUANG, Te-Hsien LAI, Yi-Hung SHEN
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Patent number: 11213256Abstract: A biological image processing method is provided. The method acquires first time-frequency data from an image data; processing the first time-frequency data into the second time-frequency data using a filter module; and converting the second time-frequency data into a time domain signal. The filter module is obtained by machine learning, and is trained using a first sample time-frequency signal as input and a second sample time-frequency signal as output, wherein the noise of the time domain signal corresponding to the second sample time-frequency signal is less than the noise of the time domain signal corresponding to the first sample time-frequency signal. A biological information detection device is also provided.Type: GrantFiled: January 2, 2020Date of Patent: January 4, 2022Assignee: FACEHEART INC.Inventors: Tsuey-Huey Shiue, Chung-Shine Huang, Kuan-Hung Chen, Po-Wei Huang, Da-Hong He, Chung-Han Lin
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Publication number: 20210381515Abstract: A serial-type diagonal fan assembly having a first fan and at least one second fan is provided. The first fan has a first front fan frame and a first fan wheel. A first hub of the first fan wheel has a radial cross-sectional area increased from a top toward a bottom of the first hub. The second fan has a second front fan frame and a second fan wheel, the second hub of the second fan wheel has an axial cross-sectional area increased from a top to a bottom of the second hub. The first fan and the second fan are arranged in a series. A spoiler is arranged on a second air inlet of the second front fan frame, an outer edge of the spoiler is embedded in a positioning groove of the second front fan frame without protruding from the second front fan frame.Type: ApplicationFiled: August 24, 2021Publication date: December 9, 2021Inventors: Po-Wei HUANG, Chien-Ming LEE, Shun-Chen CHANG
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Patent number: 11151720Abstract: The present invention provides a physiological information detection method for calculating a physiological value by using changes of a dynamic image. The detection method includes: acquiring detection data from a gray-scale value of the dynamic image, and transforming the detection data into frequency data. The detection method further includes: determining whether the frequency data meet a preset condition, and using a transformation model of a corresponding transformation combination accordingly to transform the frequency data into a physiological value. The present invention further provides a physiological information detection device applying the detection method.Type: GrantFiled: January 2, 2020Date of Patent: October 19, 2021Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei Wu, Yun-Wei Chu, Po-Wei Huang, Meng-Liang Chung, Yin-Cheng Tsai
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Publication number: 20210251567Abstract: A device for liveness detection is disclosed. The liveness detecting device has a simplest structure that principally comprises a light sensing unit and a signal processing module. Particularly, the signal processing module is configured for having a physiological feature extracting unit and a liveness detecting unit therein. The physiological feature extracting unit is adopted for extracting a first physiological feature from a PPG signal, or extracting a second physiological feature from the PPG signal that has been applied with a signal process. As such, through the first and second physiological features, the liveness detecting unit is able to determine whether a subject is a living body or not. The liveness detecting device does not use any camera unit and iPPG technology, such that the liveness detecting device has advantages of simple structure, low cost and immediately completing liveness detection.Type: ApplicationFiled: August 2, 2020Publication date: August 19, 2021Inventors: BING-JHANG WU, CHIH-WEI LIU, PO-WEI HUANG, BING-FEI WU
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Publication number: 20210189578Abstract: Disclosed herein systems and methods providing an electrochemical cell for concentrating ions. The electrochemical cell can comprise a first electrode, a second electrode, and a first solution in fluid communication with the first electrode and the second electrode. The first solution can contain a first ion and a second ion, the second ion being different than the first ion, and a molecular sieve disposed on the first electrode. The molecular sieve can be configured to selectively permit the first ion to pass from the solution to the first electrode. The molecular sieve can be further configured to selectively prevent the second ion from passing from the first solution to the first electrode.Type: ApplicationFiled: December 18, 2020Publication date: June 24, 2021Inventors: Nian Liu, Po-Wei Huang
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Patent number: 11017241Abstract: A people-flow analysis system includes an image source, a computing device, and a host. The image source captures a first image and a second image. The computing device is connected to the image source. The computing device identifies the first image according to a data set to generate a first detecting image. The first detecting image has a position box corresponding to a pedestrian in the first image. The computing device generates a tracking image according to the data set and a difference between the first detecting image and the second image. The tracking image has another position box corresponding to a pedestrian in the second image. The host is connected to the computing device and generates a people-flow list according to the first detecting image and the tracking image.Type: GrantFiled: July 8, 2019Date of Patent: May 25, 2021Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei Wu, Chun-Hsien Lin, Po-Wei Huang, Meng-Liang Chung
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Publication number: 20210106232Abstract: Disclosures of the present invention describe a non-contact physiological signal measuring device comprising a light sensing unit and a signal processing module, wherein the light sensing unit is adopted for collecting a scattered light from a surface of a sensing portion of a subject. After receiving the scattered light by a signal receiving unit of the signal processing module, a signal processing unit can subsequently obtain physiological characteristic(s) after applying signal process to a physiological signal with respect to the scattered light. Particularly, this novel non-contact physiological signal measuring device does not include any one camera or image capturing unit, such that the subject is able to receive a physiological signal measurement in the case of having well a personal privacy protection as well as preventing the subject's skin from being hurt.Type: ApplicationFiled: October 9, 2019Publication date: April 15, 2021Inventors: Tsuey-Huey SHIUE, Kuan-Hung CHEN, Chih-Wei LIU, Po-Wei HUANG, Bing-Jhang WU, Wen-Chung CHEN
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Publication number: 20210019881Abstract: The present invention provides a physiological information detection method for calculating a physiological value by using changes of a dynamic image. The detection method includes: acquiring detection data from a gray-scale value of the dynamic image, and transforming the detection data into frequency data. The detection method further includes: determining whether the frequency data meet a preset condition, and using a transformation model of a corresponding transformation combination accordingly to transform the frequency data into a physiological value. The present invention further provides a physiological information detection device applying the detection method.Type: ApplicationFiled: January 2, 2020Publication date: January 21, 2021Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei WU, Yun-Wei CHU, Po-Wei HUANG, Meng-Liang CHUNG, Yin-Cheng TSAI
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Patent number: 10835135Abstract: A non-contact heartbeat rate measurement system includes an image sensor, a target region selecting module, a heartbeat signal calculating module, a spectrum analyzing module, a vibration detecting module, a heartbeat peak selecting module. When a signal quality indicator is greater than a threshold value, and a first peak with global highest signal intensity in a heartbeat spectrum is similar to a face vibration frequency, the heartbeat peak selecting module selects a second peak with local highest signal intensity from a part frequency band of the heartbeat spectrum as an output heartbeat frequency. A non-contact heartbeat rate measurement method and an apparatus are disclosed herein.Type: GrantFiled: April 24, 2019Date of Patent: November 17, 2020Assignee: NATIONAL CHIAO TUNG UNIVERSITYInventors: Bing-Fei Wu, Meng-Liang Chung, Tsong-Yang Tsou, Yun-Wei Chu, Kuan-Hung Chen, Po-Wei Huang, Yin-Yin Yang