Patents by Inventor Kai-Hsiang Chang
Kai-Hsiang Chang 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: 20240147653Abstract: A smart pole assembly for a telecommunication network, a cabinet for enclosing computing equipment, and a method for installing computing equipment in a cabinet are disclosed. The smart pole assembly includes a cabinet and a case movably coupled to the cabinet and configured for receiving computing equipment. The case is movable between a first position and a second position. The first position is a service position in which the case is at least in part external to the cabinet, and the second position is a working position in which the case is within the cabinet in a rotated orientation relative to the first position. A method for installing computing equipment in a cabinet includes inserting computing equipment into the case that is in the first position and moving the case to the second position such that the case and computing equipment are in the rotated orientation within the cabinet.Type: ApplicationFiled: November 2, 2022Publication date: May 2, 2024Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Kai-Hsiang CHANG
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Patent number: 11971135Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.Type: GrantFiled: September 15, 2022Date of Patent: April 30, 2024Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Ming-Lung Wang, Jai-Lin Liu, Kai-Hsiang Chang
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Publication number: 20240127767Abstract: A display device and a projector are provided. The display device includes a pixel light-emitting panel and multiple color conversion panels. The pixel light-emitting panel includes an N1 number of light-emitting pixel units distributed in an array, and the light-emitting pixel units are driven to emit light through a driver. A first color conversion panel includes an N2 number of first color pixels and an N3 number of first transparent pixels. The first color pixels and the first transparent pixels are disposed relative to the light-emitting pixel units. A second color conversion panel includes an N4 number of second color pixels and an N5 number of second transparent pixels. The second color pixels and the second transparent pixels are disposed relative to the light-emitting pixel units. The lights generated by at least part of the light-emitting pixel units sequentially pass through the first color pixels and the second transparent pixels to achieve the color conversion.Type: ApplicationFiled: December 15, 2022Publication date: April 18, 2024Applicant: Industrial Technology Research InstituteInventors: Hui-Tang Shen, Wei-Hung Kuo, Kai-Ling Liang, Chun-I Wu, Yu-Hsiang Chang
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Publication number: 20240121523Abstract: A light-adjusting device having first regions and second regions is provided. The light-adjusting device includes pillars that form several groups of meta structures. The groups of meta structures correspond to the first regions, and from a top view, the first regions and the second regions are arranged in a checkerboard pattern.Type: ApplicationFiled: October 7, 2022Publication date: April 11, 2024Inventors: Kai-Hao CHANG, Chun-Yuan WANG, Shin-Hong KUO, Zong-Ru TU, Po-Hsiang WANG, Chih-Ming WANG
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Publication number: 20240093829Abstract: Pole mounts, pole mount kits, and poly mount assemblies are disclosed. Each kit and assembly includes a pole mount with a mounting bracket including a pair of coupling plates and at least one retaining plate. The pair of coupling plates is coupled to opposite ends of the at least one retaining plate. The at least one retaining plate defines a mounting area between the pair of coupling plates. The pole mount further includes at least two retaining brackets coupled to the at least one retaining plate. Each of the retaining brackets includes a base, opposing side walls extending from the base, and a front wall extending from the base and located between the opposing side walls. The base, the opposing side walls, and the front wall define a retaining area. The front wall defines a cutout region contiguous with the retaining area.Type: ApplicationFiled: September 15, 2022Publication date: March 21, 2024Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Jai-Lin LIU, Kai-Hsiang CHANG
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Publication number: 20240077124Abstract: A non-metal spring includes two non-metal elastic units connected to each other and formed between two non-metal terminal rings. Each of the non-metal elastic units includes two intermediate rings intersecting each other, thereby providing two cross portions. The cross portions of each of the non-metal elastic units divide each of the intermediate rings into a first portion and a second portion. The first portions of the intermediate rings of one of the non-metal elastic units are connected to one of the terminal rings. The second portions of the intermediate rings of another one of the non-metal elastic units are connected to a remaining one of the terminal rings. The first portions of the intermediate rings of each of the non-metal elastic units are connected to the second portions of the intermediate rings of an adjacent one of the non-metal elastic units.Type: ApplicationFiled: September 7, 2022Publication date: March 7, 2024Inventors: CHIH-CHUNG SUN, KAI-HSIANG CHANG
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Publication number: 20240063524Abstract: A smart pole assembly for a telecommunication network and a method for opening a cover assembly of the smart pole assembly are disclosed. The smart pole assembly includes a base frame having a hollow interior space for receiving at least one telecommunication device; a pole fixed to the base frame and having a pole top configured to facilitate transmitting or receiving of communications between the telecommunication device and another telecommunication device; and a cover assembly coupled to and enclosing the base frame. The cover assembly includes a telescoping mechanism that is configured to move the cover assembly between a closed state and an open state. The cover assembly fully encloses the hollow interior space in the closed state for protecting the at least one telecommunication device. The cover assembly exposes and provides access to at least a portion of the hollow interior space in the open state.Type: ApplicationFiled: August 17, 2022Publication date: February 22, 2024Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Kai-Hsiang CHANG
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Publication number: 20240030615Abstract: A wearable device includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element has a feeding point, and is coupled to a first grounding point on the ground element. A slot region is surrounded by the first radiation element and the ground element. The second radiation element is coupled to a second grounding point on the ground element. The third radiation element is coupled to the second grounding point. The third radiation element and the second radiation element substantially extend in opposite directions. The fourth radiation element and the fifth radiation element are disposed inside the slot region. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, and the fifth radiation element.Type: ApplicationFiled: September 6, 2022Publication date: January 25, 2024Inventors: Chun-I CHENG, Chung-Ting HUNG, Chin-Lung TSAI, Kuan-Hsien LEE, Yu-Chen ZHAO, Kai-Hsiang CHANG
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Patent number: 11882668Abstract: A device comprises a riser board and a riser bracket. The riser board has a connector that receives an expansion card. The riser bracket is coupled to the riser board, and includes a body portion and a latch. The body portion is coupled to the riser board such that the body portion is spaced apart from the riser board connector. The latch is rotatably coupled to the body portion, and rotates between a first position and a second position. When the latch is in the first position and the expansion card is received by the riser board connector, the expansion card is removable from the riser board connector. When the latch is in the second position and the expansion card is received by the riser board connector, the latch engages the expansion card such that the expansion card is not removable from the riser board connector.Type: GrantFiled: December 15, 2021Date of Patent: January 23, 2024Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Ming-Lung Wang, Kai-Hsiang Chang
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Publication number: 20240021988Abstract: An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a nonconductive support element. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element has a feeding point. The second radiation element is adjacent to the first radiation element. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The first radiation element, the second radiation element, and the third radiation element are disposed on the nonconductive support element. The second radiation element is at least partially surrounded by the first radiation element. The third radiation element is at least partially surrounded by the second radiation element.Type: ApplicationFiled: September 2, 2022Publication date: January 18, 2024Inventors: Yu-Chen ZHAO, Chung-Ting HUNG, Chin-Lung TSAI, Ying-Cong DENG, Kuan-Hsien LEE, Yi-Chih LO, Kai-Hsiang CHANG, Chun-I CHENG, Yan-Cheng HUANG
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Publication number: 20230402741Abstract: A wearable device includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a sixth radiation element. The first radiation element has a feeding point. The first radiation element is coupled to the ground element. The third radiation element is coupled through the second radiation element to the first radiation element. The fourth radiation element is coupled through the second radiation element to the first radiation element. The fifth radiation element is coupled to the first radiation element. The sixth radiation element is coupled to the ground element. The sixth radiation element is adjacent to the fourth radiation element. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, the fifth radiation element, and the sixth radiation element.Type: ApplicationFiled: July 22, 2022Publication date: December 14, 2023Inventors: Kai-Hsiang CHANG, Chung-Ting HUNG, Chin-Lung TSAI, Kuan-Hsien LEE, Yu-Chen ZHAO, Chun-I CHENG
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Patent number: 11784397Abstract: A wearable device includes a first radiation element, a second radiation element, a third radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to a ground voltage, and is disposed adjacent to the first radiation element. The third radiation element is coupled to the ground voltage, and is disposed adjacent to the first radiation element. The third radiation element is at least partially surrounded by the first radiation element. The first radiation element, the second radiation element, and the third radiation element are disposed on the dielectric substrate. An antenna structure is formed by the first radiation element, the second radiation element, and the third radiation element.Type: GrantFiled: July 22, 2022Date of Patent: October 10, 2023Assignee: QUANTA COMPUTER INC.Inventors: Kuan-Hsien Lee, Chung-Ting Hung, Chin-Lung Tsai, Yu-Chen Zhao, Kai-Hsiang Chang, Chun-I Cheng
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Patent number: 11725438Abstract: A telecommunication device includes a main body to which a compartment is attached for receiving one or more components. A door is rotatable relative to the compartment between a closed position and a plurality of open positions. The door covers the compartment in the closed position. A connecting assembly attaches the door to the compartment, and includes a locking mechanism for preventing rotation of the door in a fixed position. The fixed position corresponds to an open position of the plurality of open positions. The locking mechanism self-locks in the fixed position when the door rotation reaches the fixed position.Type: GrantFiled: January 15, 2021Date of Patent: August 15, 2023Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Ming-Lung Wang, Kai-Hsiang Chang
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Publication number: 20230103941Abstract: A device comprises a riser board and a riser bracket. The riser board has a connector that receives an expansion card. The riser bracket is coupled to the riser board, and includes a body portion and a latch. The body portion is coupled to the riser board such that the body portion is spaced apart from the riser board connector. The latch is rotatably coupled to the body portion, and rotates between a first position and a second position. When the latch is in the first position and the expansion card is received by the riser board connector, the expansion card is removable from the riser board connector. When the latch is in the second position and the expansion card is received by the riser board connector, the latch engages the expansion card such that the expansion card is not removable from the riser board connector.Type: ApplicationFiled: December 15, 2021Publication date: April 6, 2023Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Kai-Hsiang CHANG
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Publication number: 20220112752Abstract: A telecommunication device includes a main body to which a compartment is attached for receiving one or more components. A door is rotatable relative to the compartment between a closed position and a plurality of open positions. The door covers the compartment in the closed position. A connecting assembly attaches the door to the compartment, and includes a locking mechanism for preventing rotation of the door in a fixed position. The fixed position corresponds to an open position of the plurality of open positions. The locking mechanism self-locks in the fixed position when the door rotation reaches the fixed position.Type: ApplicationFiled: January 15, 2021Publication date: April 14, 2022Inventors: Yaw-Tzorng TSORNG, Ming-Lung WANG, Kai-Hsiang CHANG
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Patent number: 11067515Abstract: An apparatus for inspecting a wafer process chamber is disclosed. In one example, the apparatus includes: a sensor, a processor, and a lifetime predictor. The sensor captures information about at least one hardware part of the wafer process chamber. The processor processes the information to determine a hardware condition of the at least one hardware part. The lifetime predictor predicts an expected lifetime left for the at least one hardware part based on the hardware condition.Type: GrantFiled: February 23, 2018Date of Patent: July 20, 2021Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Stanley Shin, Kai-Hsiang Chang, Sheng Cho Lin, Keith Kuang-Kuo Koai
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Patent number: 10876208Abstract: The present disclosure provides an apparatus for fabricating a semiconductor device, including a reaction chamber having a gas inlet for receiving a gas flow, a pedestal in the reaction chamber configured to support a substrate, and a first gas distribution plate (GDP) in the reaction chamber and between the gas inlet and the pedestal, wherein the first GDP is configured to include a plurality of concentric regions arranged along a radial direction, and a plurality of first holes arranged in the concentric regions of the first GDP, an open ratio of the first GDP in an outer concentric region is greater than that in an inner concentric region proximal to the outer concentric region to redistribute the gas flow.Type: GrantFiled: October 19, 2018Date of Patent: December 29, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Kai-Hsiang Chang, Keith Kuang-Kuo Koai
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Patent number: 10645837Abstract: The present disclosure describes a server computer system having a chassis, a carrier, and a pivot member configured to connect the carrier to the chassis. The pivot member further permits the carrier to rotate between a first position with a first carrier end within the chassis, and a second position with the first carrier end extending out of the chassis.Type: GrantFiled: December 20, 2018Date of Patent: May 5, 2020Assignee: QUANTA COMPUTER INC.Inventors: Yaw-Tzorng Tsorng, Chun Chang, Zhi-Hao Tseng, Kai-Hsiang Chang
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Patent number: 10468961Abstract: A power source control circuit is a hysteresis control circuit controlled by current mode. The power source control circuit includes a DC input power source, an input capacitor, a first switching element, a second switching element, an inductor, a current detector, a diode, a third switching element, a hysteresis current controller, and a load. The first end of the inductor is coupled to the second terminal of the first switching element and the first terminal of the second switching element. The second end of the inductor is coupled to the first terminal of the third switching element. The inductor outputs a pulse width modulated output current that is in the PWM mode and that flows into the load.Type: GrantFiled: August 23, 2018Date of Patent: November 5, 2019Assignee: MEANWELL (GUANGZHOU) ELECTRONICS CO., LTD.Inventor: Kai-Hsiang Chang
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Publication number: 20190311863Abstract: A key structure includes two key bodies and two elastic pieces. The two key bodies are disposed face to face. Each of the two key bodies has a base portion. Two opposite ends of the base portion extend sideward towards a same direction to form two extending portions spaced from each other. The two extending portions of one of the two key bodies face to the two extending portions of the other key body, respectively. Two opposite ends of each of the two elastic pieces are fastened in the two extending portions of the two key bodies respectively.Type: ApplicationFiled: April 4, 2018Publication date: October 10, 2019Inventors: ZHI-BIN DONG, FENG ZHU, KAI-HSIANG CHANG