Patents by Inventor Kai-Wen Cheng
Kai-Wen Cheng 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: 20240155185Abstract: A channel hiatus correction method for an HDMI device is provided. A recovery code from scrambled data of the stream is obtained. A liner feedback shift register (LFSR) value of channels of the HDMI port is obtained based on the recovery code and the scrambled data of the stream. The stream is de-scrambled according to the LFSR value of the channels of the HDMI port. Video data is displayed according to the de-scrambled stream.Type: ApplicationFiled: November 9, 2022Publication date: May 9, 2024Inventors: Chia-Hao CHANG, You-Tsai JENG, Kai-Wen YEH, Yi-Cheng CHEN, Te-Chuan WANG, Kai-Wen CHENG, Chin-Lung LIN, Tai-Lai TUNG, Ko-Yin LAI
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Patent number: 11962847Abstract: A channel hiatus correction method for an HDMI device is provided. A recovery code from scrambled data of the stream is obtained. A liner feedback shift register (LFSR) value of channels of the HDMI port is obtained based on the recovery code and the scrambled data of the stream. The stream is de-scrambled according to the LFSR value of the channels of the HDMI port. Video data is displayed according to the de-scrambled stream.Type: GrantFiled: November 9, 2022Date of Patent: April 16, 2024Assignee: MEDIATEK INC.Inventors: Chia-Hao Chang, You-Tsai Jeng, Kai-Wen Yeh, Yi-Cheng Chen, Te-Chuan Wang, Kai-Wen Cheng, Chin-Lung Lin, Tai-Lai Tung, Ko-Yin Lai
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Publication number: 20240008287Abstract: A memory device and a manufacturing method thereof is described. The memory device includes a transistor structure over a substrate and a ferroelectric capacitor structure electrically connected with the transistor structure. The ferroelectric capacitor structure includes a top electrode layer, a bottom electrode layer and a ferroelectric stack sandwiched there-between. The ferroelectric stack includes a first ferroelectric layer, a first stabilizing layer, and one of a second ferroelectric layer or a second stabilizing layer. Materials of the first stabilizing layer and a second stabilizing layer include a metal oxide material.Type: ApplicationFiled: July 4, 2022Publication date: January 4, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Po-Ting Lin, Wei-Chih Wen, Kai-Wen Cheng, Wu-Wei Tsai, Yu-Ming Hsiang, Yan-Yi Chen, Hai-Ching Chen, Yu-Ming Lin, Chung-Te Lin
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Publication number: 20240006538Abstract: A method of forming a semiconductor device is provided. A gate electrode is formed within an insulating layer that overlies a substrate. A gate dielectric layer is formed over the gate electrode. A first oxide semiconductor layer is formed over the gate dielectric layer. A dielectric layer is formed over the first oxide semiconductor layer. The dielectric layer and the first oxide semiconductor layer are patterned, so as to form first and second openings that expose portions of the gate dielectric layer. An interfacial layer is conformally formed on sidewalls and bottoms of the first and second openings. A second oxide semiconductor layer is formed over the interfacial layer in the first and second openings. A metal layer is formed over the second oxide semiconductor layer in the first and second openings.Type: ApplicationFiled: July 3, 2022Publication date: January 4, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wu-Wei Tsai, Po-Ting Lin, Kai-Wen Cheng, Sai-Hooi Yeong, Han-Ting Tsai, Ya-Ling Lee, Hai-Ching Chen, Chung-Te Lin, Yu-Ming Lin
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Publication number: 20230412463Abstract: A method for resuming topology of a single loop network and a network switch system are provided. The network switch system includes one or more first network switches each having a first port and a second port and a second network switch having a third port and a fourth port. When the first port of one of the first network switches is abnormal, a recovery control frame is transmitted through the second port. The second network switch sets the third port in a disabled state to an enabled state. When the abnormal port is resumed, the first network switch transmits a block control frame through the second port. The second network switch sets the third port in the enabled state to the disabled state and transmits a forward control frame through the fourth port. The first network switch sets the first port in the disabled state to the enabled state.Type: ApplicationFiled: January 3, 2023Publication date: December 21, 2023Applicant: REALTEK SEMICONDUCTOR CORP.Inventors: Chih-Ming Chiu, Kai-Wen Cheng, Yu-Yi Lin
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Patent number: 11770583Abstract: A power-saving method for an HDMI device is provided. The method includes detecting color depth information of video data from an HDMI source which is connected to the HDMI port, deriving a horizontal length for each line by fragment of a picture frame according to the color depth information, generating a plurality of synchronization signals according to the horizontal length for each line by fragment, and powering on the HDMI port, according to the synchronization signals, for a predetermined time period to obtain encrypted information from the HDMI source, and powering off the HDMI port after the predetermined time period.Type: GrantFiled: July 21, 2022Date of Patent: September 26, 2023Assignee: MEDIATEK INC.Inventors: You-Tsai Jeng, Chia-Hao Chang, Yi-Cheng Chen, Kai-Wen Yeh, Kuo-Chang Cheng, Chi-Chih Chen, Szu-Hsiang Lai, Chin-Lung Lin, Kai-Wen Cheng, Te-Chuan Wang, Ko-Yin Lai, Keng-Lon Lei, Tai-Lai Tung
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Patent number: 11764694Abstract: A configurable control loop arrangement for forming a control loop of a DC-DC converter that is configured to generate a control signal to control the DC-DC converter, the configurable control loop arrangement comprising: a digital-to-analog converter; a comparator; a timer configured to provide a timing-signal for controlling one or more of: the comparator in the determination of the comparison signal; the application of the comparison signal to a configurable-event-generation-logic-module; and the operation of the configurable-event-generation-logic-module; wherein the configurable-event-generation-logic-module comprises a flip-flop circuit, and wherein the configurable-event-generation-logic-module, when implemented in the control loop, is configured to provide for generation of the control signal based on the comparison signal, the timing-signal and a selected mode of the flip-flop circuit, and wherein the control signal is for application to one or more switches of the DC-DC converter.Type: GrantFiled: December 9, 2021Date of Patent: September 19, 2023Assignee: NXP USA, Inc.Inventors: Lingling Wang, Kai-Wen Cheng, Chongli Wu, Xiaoxiang Geng, Xuwei Zhou
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Patent number: 11712089Abstract: A harness system includes an upper buckle, an upper strap and a restraining assembly including an anti-sliding structure and a beam structure. A through slot is formed on the upper buckle. The upper strap passes through the through slot. The beam structure is slidably disposed on the upper buckle. The anti-sliding structure is disposed on at least one of the beam structure and a wall of the through slot. The upper strap is engaged by the anti-sliding structure for restraining a sliding movement of the upper buckle relative to the upper strap and toward a shoulder portion when the upper strap is forced to drive the beam structure to slide relative to the upper buckle and toward the wall of the through slot.Type: GrantFiled: November 25, 2021Date of Patent: August 1, 2023Assignee: Wonderland Switzerland AGInventors: Yen-Lin Lee, Kai-Wen Cheng, Chih-Wei Wang
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Patent number: 11556189Abstract: A touchpad module includes a touch member, a bracket, a piezoelectric vibration unit and an elastic element. The bracket is located under the touch member. A portion of the touch member is exposed to a first perforation of the bracket. The piezoelectric vibration unit is aligned with the first perforation of the bracket. The piezoelectric vibration unit has a first surface and a second surface, which are opposed to each other. The elastic element installed on the bracket and contacted with the second surface of the piezoelectric vibration unit. When the piezoelectric vibration unit vibrates, a first reaction force is generated between the first surface of the piezoelectric vibration unit and the portion of the touch member exposed to the first perforation, and a second reaction force is generated between the second surface of the piezoelectric vibration unit and the elastic element.Type: GrantFiled: October 26, 2021Date of Patent: January 17, 2023Assignee: PRIMAX ELECTRONICS LTD.Inventors: Chia-Feng Lee, Kai-Wen Cheng, Chang-Tse Lee, Guan-Hao Su
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Publication number: 20230002774Abstract: Provided herein are methods and compositions for inhibiting p97, for the treatment of a coronavirus infection in a subject, or a symptom thereof. Upon treatment, the coronavirus infection, or a symptom thereof is reduced in the subject.Type: ApplicationFiled: June 24, 2022Publication date: January 5, 2023Inventors: Kai-Wen Cheng, Shan Li, Feng Wang, Tsui-Fen Chou
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Patent number: 11546073Abstract: A control method and a time aware bridge device for a seamless Precision Time Protocol (PTP) are provided. The control method includes: utilizing the time aware bridge device to pre-configure a first control signal source as a master control signal source, and pre-configure a second control signal source as a backup control signal source; utilizing the time aware bridge device to determine whether one or more packets from the master control signal source conform to at least one predetermined rule to generate a determination result; and selectively configuring the second control signal source as the master control signal source according to the determination result.Type: GrantFiled: May 5, 2021Date of Patent: January 3, 2023Assignee: Realtek Semiconductor Corp.Inventors: Yung-Kun Lin, Chung-Keng Hung, Yan-Liang Wu, Kai-Wen Cheng
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Publication number: 20220406992Abstract: Some embodiments relate to a memory device. The memory device includes a substrate comprising an inter-metal dielectric layer having a metal line, a dielectric layer over the substrate, a bottom electrode via through the dielectric layer and in contact with the metal line, a bottom electrode over the bottom electrode via, a magnetic tunneling junction (MTJ) element over the bottom electrode, and a top electrode over the MTJ element. A center portion of the bottom electrode directly above the bottom electrode via is thicker than an edge portion of the bottom electrode.Type: ApplicationFiled: April 21, 2022Publication date: December 22, 2022Inventors: Yi-Cheng Chu, Chung-Te Lin, Kai-Wen Cheng, Han-Ting Tsai, Jung-Tsan Tsai, Pao-Yi Tai, Chien-Hua Huang
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Publication number: 20220386745Abstract: A harness system is provided and includes an upper buckle, an upper strap and a restraining assembly. The upper strap includes shoulder portion and a waist portion divided by the upper buckle. A through slot is formed on the upper buckle. The restraining assembly includes an anti-sliding structure, a beam structure disposed on the upper buckle and a stopping component. The through slot includes a first portion and a second portion divided by the beam structure and respectively adjacent to the shoulder portion and the waist portion. The upper strap passes through the first portion of the through slot from bottom to top and passes through the second portion of the through slot from top to bottom. The stopping component is detachably disposed on the shoulder portion and configured to abut against the upper buckle for restraining a sliding movement of the upper buckle relative to the upper strap.Type: ApplicationFiled: August 16, 2022Publication date: December 8, 2022Applicant: Wonderland Switzerland AGInventors: Yen-Lin Lee, Kai-Wen Cheng, Chih-Wei Wang
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Publication number: 20220379443Abstract: A screwdriver includes a shank, a ratchet assembly, and a handle. The shank includes a shank extender that in an extended position lengthens the shank and in a retracted position is stored within the handle of the screwdriver. The ratchet assembly includes a knob and is configured to drive in the same direction the knob is turned. The screwdriver includes a locking mechanism to prevent unwanted movement of the shank between the extended and retracted positions. The handle of the screwdriver includes a storage space to hold alternative screwdriver bits and a stabilizing component to decrease movement of the handle when the storage portion is in an extended or open position. In a closed position the handle surrounds the alternate bits and in an open position the alternate bits are exposed.Type: ApplicationFiled: May 27, 2022Publication date: December 1, 2022Inventors: Joshua D. Schneider, Colin J. Roberts, Scott M. Hangartner, George Barton, Cheng Zhang Li, Kai-Wen Cheng
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Publication number: 20220360488Abstract: A network switch is configured to receive packet data. The network switch includes a memory and a processor. The memory is configured to store an access control list and an abnormity detecting program, filter the packet data according to the access control list, and perform an abnormity detecting procedure on the packet data according to the abnormity detecting program. When at least one abnormity event occurs in one of a plurality of time intervals, a counting value increases. When the counting value reaches a counting threshold value, the memory sends an abnormity notification to the processor and the processor performs an abnormity processing procedure on the packet data.Type: ApplicationFiled: April 8, 2022Publication date: November 10, 2022Inventors: Sz-Han WANG, Kai-Wen CHENG, Ming-Dao CHEN
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Publication number: 20220310903Abstract: A semiconductor device comprises a first conductive feature on a semiconductor substrate, a bottom electrode on the first conductive feature, a magnetic tunnel junction (MTJ) stack on the bottom electrode, and a top electrode on the MTJ stack. A spacer contacts a sidewall of the top electrode, a sidewall of the MTJ stack, and a sidewall of the bottom electrode. A conductive feature contacts the top electrode.Type: ApplicationFiled: July 16, 2021Publication date: September 29, 2022Inventors: Chih-Fan Huang, Kai-Wen Cheng, Chen-Chiu Huang, Dian-Hau Chen, Yen-Ming Chen
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Patent number: 11447050Abstract: A manufacturing method for a car safety seat includes the following steps: providing a mold and disposing a main body of the car safety seat into the mold, and injecting a foam material into a cavity of the mold and foaming the foam material so as to form a flexible layer integrated with the main body. A pressure in the cavity is between 1.5 bar and 5.0 bar. The manufacturing method disposes the main body into the mold and directly forms a flexible layer on the main body, so that the flexible layer ensures safety and comfort of the car safety seat while saves the necessity to dispose a seat pad or a cushion and fixing structures on the main body, and thereby reduces the cost and the work-hour of assembly, and the overall weight of the car safety seat can be reduced by omitting the fixing structures.Type: GrantFiled: May 14, 2018Date of Patent: September 20, 2022Assignee: WONDERLAND SWITZERLAND AGInventors: Fengxiang Yan, Kai-Wen Cheng
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Patent number: 11447051Abstract: A manufacturing method for a child carrying device includes the following steps: providing a mold and disposing a main body of the child carrying device into the mold, and injecting a foam material into a cavity of the mold and foaming the foam material so as to form a flexible layer integrated with the main body. The manufacturing method disposes the main body into the mold and directly forms a flexible layer on the main body, so that the flexible layer ensures safety and comfort of the child carrying device while saves the necessity to dispose a seat pad or a cushion and fixing structures on the main body, and thereby reduces the cost and the work-hour of assembly, and the overall weight of the child carrying device can be reduced by omitting the fixing structures.Type: GrantFiled: July 29, 2020Date of Patent: September 20, 2022Assignee: WONDERLAND SWITZERLAND AGInventors: Fengxiang Yan, Kai-Wen Cheng
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Publication number: 20220294733Abstract: A method for packet filtering in a network switch includes: utilizing an access control list circuit to filter received packets, wherein the access control list circuit compares header information of the received packets with an access control list to filter the received packets, where the access control list has at least one entry, and rule information in the entry includes only a portion of an IP address; and utilizing a routing circuit to further filter packets that pass the access control list circuit, wherein the routing circuit compares header information of the packets that pass the access control list circuit with a routing table to filter the packets, wherein the routing table has at least one entry, and rule information in the entry includes an entire IP address.Type: ApplicationFiled: February 17, 2022Publication date: September 15, 2022Applicant: Realtek Semiconductor Corp.Inventors: Kai-Wen Cheng, Sz-Han Wang, Wen-Huang Yeh, Wei-Hong You
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Patent number: D975125Type: GrantFiled: August 4, 2022Date of Patent: January 10, 2023Assignee: GOGORO INC.Inventors: Chuan-feng Yeh, Yi-wen Chang, Chih-min Fu, Kai-wen Cheng