Patents by Inventor Chia-Wu Liao
Chia-Wu Liao 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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Patent number: 11972186Abstract: A method of designing an integrated circuit (IC) device includes identifying, with a processor, a pin failing a test to determine an antenna effect, identifying, with the processor, a net corresponding to the identified pin failing the test to determine the antenna effect, and creating, with the processor, an engineering change order (ECO) script based on the identified net to insert a diode to address the antenna effect.Type: GrantFiled: September 21, 2021Date of Patent: April 30, 2024Assignees: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD., TSMC NANJING COMPANY, LIMITEDInventors: Qiuyuan Wu, Shuang Dai, Chia-Chun Liao, Meng-Hsuan Wu
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Publication number: 20200156312Abstract: A 3D printing device having a main body, a forming platform, an infrared thermometer, a heater, a thermocouple and a calibrator is provided. A forming chamber is defined in the main body. The forming platform is accommodated in the forming chamber, and a top surface thereof forms a bottom of the forming chamber. A reference surface is defined in the forming chamber, and the reference surface has an infrared radiance approximate to the powder. The infrared thermometer in the main body is disposed above and toward the reference surface. The heater is disposed in the main body to conductively heat the reference surface. The thermocouple is arranged adjacent to the reference surface. The calibrator is electrically connected to the infrared thermometer and the thermocouple to compare respective measured temperatures of the reference surface, and thereby determine if the infrared thermometer should be cleared.Type: ApplicationFiled: January 3, 2019Publication date: May 21, 2020Inventors: Chao-Ming CHEN, Chia-Wu LIAO, Chia-Hsien LAI
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Patent number: 10449756Abstract: A three dimensional printing apparatus is provided, and the three dimensional printing apparatus includes a modeling portion, a powder supplying portion, a powder spreading mechanism, a printing mechanism and a controller. The powder supplying portion is filled with a powder forming material. The powder spreading mechanism is disposed on a first side of the modeling portion, and is configured to transfer the powder forming material from the powder supplying portion to spread the powder forming material on the supporting platform. The printing mechanism is disposed on a second side of the modeling portion which is opposite to the first side, and is configured to eject the glue material. The controller operates in a fast mode according to a fast mode instruction, so as to control the printing mechanism to eject the glue material onto the powder forming material while moving along a first direction with the powder spreading mechanism.Type: GrantFiled: March 21, 2016Date of Patent: October 22, 2019Assignees: XYZprinting, Inc., Kinpo Electronics, Inc.Inventor: Chia-Wu Liao
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Publication number: 20190016164Abstract: An ink-jet head protection device used in a building area having accumulated powder is provided. The ink-jet head protection device includes a movable base and an airflow guiding mechanism. The movable base includes an ink-jet head base. The ink-jet head base includes one or more ink-jet heads. The ink-jet head is arranged corresponding to the building area. The airflow guiding mechanism is assembled to the movable base. The airflow guiding mechanism generates a dust separating airflow and includes an airflow opening for guiding the dust separating airflow flowing between the ink-jet head and the building area. The dust separating airflow is used to isolate the powder spilled from the building area. Accordingly, the airflow guiding mechanism generates the dust separating airflow flowing between the ink-jet head and the building area.Type: ApplicationFiled: September 17, 2018Publication date: January 17, 2019Inventor: Chia-Wu LIAO
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Publication number: 20180236796Abstract: An ink-jet head protection device used in a building area having accumulated powder is provided. The ink-jet head protection device includes a movable base and an airflow guiding mechanism. The movable base includes an ink-jet head base. The ink-jet head base includes one or more ink-jet heads. The ink-jet head is arranged corresponding to the building area. The airflow guiding mechanism is assembled to the movable base. The airflow guiding mechanism generates a dust separating airflow and includes an airflow opening for guiding the dust separating airflow flowing between the ink-jet head and the building area. The dust separating airflow is used to isolate the powder spilled from the building area. Accordingly, the airflow guiding mechanism generates the dust separating airflow flowing between the ink-jet head and the building area.Type: ApplicationFiled: May 24, 2017Publication date: August 23, 2018Inventor: Chia-Wu LIAO
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Patent number: 9796130Abstract: A three-dimensional printer device includes a supplying apparatus, a formation table, a recycling trough, a distribution apparatus, a power collection cover, and a control unit. The supplying apparatus is provided to contain the powder material. The formation table has a horizontal surface, and one side of the horizontal surface is disposed adjacent to the supplying apparatus. The recycling trough has an opening, the opening is disposed at the other side of the horizontal surface opposite to the supplying apparatus. The distribution apparatus includes a roller; the roller is movable across the horizontal surface between the supplying apparatus and the recycling trough, so that the powder material inside the supplying apparatus can be distributed onto the horizontal surface. The powder collection cover covers the roller. The control unit is electrically connected to the distribution apparatus and controls the roller to move between the supplying apparatus and the recycling trough.Type: GrantFiled: June 22, 2016Date of Patent: October 24, 2017Assignees: XYZPRINTING, INC., KINPO ELECTRONICS, INC.Inventor: Chia-Wu Liao
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Publication number: 20170297322Abstract: A three-dimensional printer device includes a supplying apparatus, a formation table, a recycling trough, a distribution apparatus, a power collection cover, and a control unit. The supplying apparatus is provided to contain the powder material. The formation table has a horizontal surface, and one side of the horizontal surface is disposed adjacent to the supplying apparatus. The recycling trough has an opening, the opening is disposed at the other side of the horizontal surface opposite to the supplying apparatus. The distribution apparatus includes a roller; the roller is movable across the horizontal surface between the supplying apparatus and the recycling trough, so that the powder material inside the supplying apparatus can be distributed onto the horizontal surface. The powder collection cover covers the roller. The control unit is electrically connected to the distribution apparatus and controls the roller to move between the supplying apparatus and the recycling trough.Type: ApplicationFiled: June 22, 2016Publication date: October 19, 2017Inventor: Chia-Wu LIAO
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Publication number: 20170217096Abstract: A three dimensional printing apparatus is provided, and the three dimensional printing apparatus includes a modeling portion, a powder supplying portion, a powder spreading mechanism, a printing mechanism and a controller. The powder supplying portion is filled with a powder forming material. The powder spreading mechanism is disposed on a first side of the modeling portion, and is configured to transfer the powder forming material from the powder supplying portion to spread the powder forming material on the supporting platform. The printing mechanism is disposed on a second side of the modeling portion which is opposite to the first side, and is configured to eject the glue material. The controller operates in a fast mode according to a fast mode instruction, so as to control the printing mechanism to eject the glue material onto the powder forming material while moving along a first direction with the powder spreading mechanism.Type: ApplicationFiled: March 21, 2016Publication date: August 3, 2017Inventor: Chia-Wu Liao
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Patent number: 9225862Abstract: A buffer structure is configured to an office machine including a base and a cover pivotally connected to the base provided. The buffer structure includes a first engaging portion fixed to the cover, a rotation member and an elastic member. The rotation member includes a rotation shaft pivotally connected to the base, a second engaging portion located on a rotation path of the first engaging portion, and a fixing portion. The elastic member includes a first end and a second end opposite to each other. The first end and the second end are fixed to the base and the fixing portion. When the cover rotates toward the base, the first engaging portion is engaged to the second engaging portion to drive the rotation member to rotate along a first clock direction, and the elastic member is deformed to exert a moment to the rotation member along a second clock direction.Type: GrantFiled: January 16, 2014Date of Patent: December 29, 2015Assignee: Kinpo Electronics, Inc.Inventors: Chin-Chuo Liao, Chia-Wu Liao
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Publication number: 20150172490Abstract: A buffer structure is configured to an office machine including a base and a cover pivotally connected to the base provided. The buffer structure includes a first engaging portion fixed to the cover, a rotation member and an elastic member. The rotation member includes a rotation shaft pivotally connected to the base, a second engaging portion located on a rotation path of the first engaging portion, and a fixing portion. The elastic member includes a first end and a second end opposite to each other. The first end and the second end are fixed to the base and the fixing portion. When the cover rotates toward the base, the first engaging portion is engaged to the second engaging portion to drive the rotation member to rotate along a first clock direction, and the elastic member is deformed to exert a moment to the rotation member along a second clock direction.Type: ApplicationFiled: January 16, 2014Publication date: June 18, 2015Applicant: Kinpo Electronics, Inc.Inventors: Chin-Chuo Liao, Chia-Wu Liao
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Patent number: 8760676Abstract: A feed and scan module and a multifunctional printer (MFP) using the same are provided. The MFP includes a body with a paper-feeding path therein and a feed and scan module, the feed and scan module is disposed in the body and adjacent to an entrance of the feeding path. The feed and scan module includes a feeding roller chain and an image processing component, the feeding roller chain includes a driving unit and a transparent hollow driving tube assembled with the driving unit. The image processing component is in bar-shape and disposed in the hollow driving tube, and the image processing component is fixed and faces the paper-feeding path. When the hollow driving tube rotates, the image processing component is not driven by the hollow driving tube.Type: GrantFiled: February 27, 2013Date of Patent: June 24, 2014Assignees: Kinpo Electronics, Inc., Cal-Comp Electronics & Communications Company LimitedInventors: Chao-Ming Chen, Chia-Wu Liao
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Publication number: 20140132971Abstract: A feed and scan module and a multifunctional printer (MFP) using the same are provided. The MFP includes a body with a paper-feeding path therein and a feed and scan module, the feed and scan module is disposed in the body and adjacent to an entrance of the feeding path. The feed and scan module includes a feeding roller chain and an image processing component, the feeding roller chain includes a driving unit and a transparent hollow driving tube assembled with the driving unit. The image processing component is in bar-shape and disposed in the hollow driving tube, and the image processing component is fixed and faces the paper-feeding path. When the hollow driving tube rotates, the image processing component is not driven by the hollow driving tube.Type: ApplicationFiled: February 27, 2013Publication date: May 15, 2014Applicants: Cal-Comp Electronics & Communications Company Limited, KINPO ELECTRONICS, INC.Inventors: Chao-Ming Chen, Chia-Wu Liao
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Patent number: 8695970Abstract: A multi-function peripheral (MFP) including a machine body, a paper feeding cassette, and a sensing module is provided. The paper feeding cassette is assembled to the machine body, and multiple pieces of paper are suited for being stacked on a supporting surface of the paper feeding cassette. The sensing module includes a holder and a sensor. The holder is disposed at a side of the paper feeding cassette and capable of moving along a normal of the supporting surface. The sensor is disposed on the holder. A sensing surface of the sensor faces the supporting surface and keeps a distance from a top piece of the paper.Type: GrantFiled: June 22, 2012Date of Patent: April 15, 2014Assignee: Kinpo Electronics, Inc.Inventor: Chia-Wu Liao
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Publication number: 20130147110Abstract: A multi-function peripheral (MFP) including a machine body, a paper feeding cassette, and a sensing module is provided. The paper feeding cassette is assembled to the machine body, and multiple pieces of paper are suited for being stacked on a supporting surface of the paper feeding cassette. The sensing module includes a holder and a sensor. The holder is disposed at a side of the paper feeding cassette and capable of moving along a normal of the supporting surface. The sensor is disposed on the holder. A sensing surface of the sensor faces the supporting surface and keeps a distance from a top piece of the paper.Type: ApplicationFiled: June 22, 2012Publication date: June 13, 2013Applicant: KINPO ELECTRONICS, INC.Inventor: Chia-Wu Liao