Patents by Inventor I-Chi Cheng
I-Chi 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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Patent number: 11972072Abstract: The present disclosure provides an electronic device including a first sensing circuit, a second sensing circuit and a power line. The first sensing circuit includes a first sensing unit and a first transistor, and a first end of the first sensing unit is coupled to a control end of the first transistor. The second sensing circuit includes a second sensing unit and a second transistor, and a first end of the second sensing unit is coupled to a control end of the second transistor. A first end of the first transistor and a first end of the second transistor are coupled to the power line.Type: GrantFiled: November 1, 2022Date of Patent: April 30, 2024Assignee: InnoLux CorporationInventors: Shu-Fen Li, Chuan-Chi Chien, Hsiao-Feng Liao, Rui-An Yu, Chang-Chiang Cheng, Po-Yang Chen, I-An Yao
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Publication number: 20240087644Abstract: A forming operation of resistive memory device is provided. The operation includes: applying a pre-forming gate voltage and a pre-forming bit line voltage to a target memory cell; performing a dense switching forming operation, wherein the dense switching forming operation includes alternately performing dense set operations and dense reset operations on the target memory cell, wherein the dense set operation includes applying a dense switching gate voltage and a dense set bit line voltage; and performing a normal set operation on the target memory cell, wherein the normal set operation includes applying a normal set gate voltage and a normal set bit line voltage to the target memory cell, the normal set gate voltage is greater than the pre-forming gate voltage and the dense switching gate voltage, and the normal set bit line voltage is less than the pre-forming bit line voltage and the dense set bit line voltage.Type: ApplicationFiled: August 29, 2023Publication date: March 14, 2024Applicant: Winbond Electronics Corp.Inventors: I-Hsien Tseng, Lung-Chi Cheng, Ju-Chieh Cheng, Jun-Yao Huang, Ping-Kun Wang
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Patent number: 8627577Abstract: An apparatus of checking dimensions of an object includes a checking platform. The checking platform has a checking slot extending from one side and arriving at another side thereof. The checking slot is defined by a first side wall, a second side wall and a bottom wall, wherein the first side wall has a front section connecting to a rear section. The second side wall has a middle section connecting to a front section and a rear section, wherein the distance between the front section of the first side wall and the front section of the second side wall is greater than that between the rear section of the first side wall and the rear section of the second side wall, and is smaller than that from a connecting location to the middle section of the second side wall.Type: GrantFiled: December 26, 2011Date of Patent: January 14, 2014Assignee: Orient Semiconductor Electronics, LimitedInventor: I Chi Cheng
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Patent number: 8487733Abstract: A composite magnetic core assembly includes an inner magnetic core and an outer magnetic core. The inner magnetic core is made of a high saturation flux density and low permeability material. The outer magnetic core is made of a low saturation flux density and high permeability material. The outer magnetic core includes a ring-shaped wall and a receptacle. The inner magnetic core is accommodated within the receptacle.Type: GrantFiled: November 22, 2010Date of Patent: July 16, 2013Assignee: Delta Electronics, Inc.Inventors: Jiang Chu, Wei Chen, I-Chi Cheng, Yi-Fan Wu, Zhi Huang
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Patent number: 8421572Abstract: A bobbin used in a transformer is disclosed. The bobbin includes a main body, two side walls, two wire collecting bases and at least one extension wire collecting base. The main body has a tunnel. The two side walls are disposed on the two ends of the main body, respectively. The tunnel passes through the two ends of the main body and the two side walls. The two wire collecting bases are disposed on the two side walls respectively or on one of the two side walls. Each wire collecting base has at least one wire collecting part. The extension wire collecting base has at least one extension wire collecting part. The extension wire collecting base can couple with the wire collecting base.Type: GrantFiled: October 7, 2011Date of Patent: April 16, 2013Assignee: Delta Electronics, Inc.Inventors: I-Chi Cheng, Yi-Fan Wu, Cheng-Yi Lo, Ming-Cheng Lee, Kuo-Jung Lin
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Publication number: 20120280780Abstract: A bobbin used in a transformer is disclosed. The bobbin includes a main body, two side walls, two wire collecting bases and at least one extension wire collecting base. The main body has a tunnel. The two side walls are disposed on the two ends of the main body, respectively. The tunnel passes through the two ends of the main body and the two side walls. The two wire collecting bases are disposed on the two side walls respectively or on one of the two side walls. Each wire collecting base has at least one wire collecting part. The extension wire collecting base has at least one extension wire collecting part. The extension wire collecting base can couple with the wire collecting base.Type: ApplicationFiled: October 7, 2011Publication date: November 8, 2012Applicant: DELTA ELECTRONICS, INC.Inventors: I-Chi CHENG, Yi-Fan WU, Cheng-Yi LO, Ming-Cheng LEE, Kuo-Jung LIN
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Publication number: 20120192445Abstract: An apparatus of checking dimensions of an object includes a checking platform. The checking platform has a checking slot extending from one side and arriving at another side thereof. The checking slot is defined by a first side wall, a second side wall and a bottom wall, wherein the first side wall has a front section connecting to a rear section. The second side wall has a middle section connecting to a front section and a rear section, wherein the distance between the front section of the first side wall and the front section of the second side wall is greater than that between the rear section of the first side wall and the rear section of the second side wall, and is smaller than that from a connecting location to the middle section of the second side wall.Type: ApplicationFiled: December 26, 2011Publication date: August 2, 2012Applicant: ORIENT SEMICONDUCTOR ELECTRONICS, LIMITEDInventor: I Chi CHENG
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Publication number: 20110121935Abstract: A composite magnetic core assembly includes an inner magnetic core and an outer magnetic core. The inner magnetic core is made of a high saturation flux density and low permeability material. The outer magnetic core is made of a low saturation flux density and high permeability material. The outer magnetic core includes a ring-shaped wall and a receptacle. The inner magnetic core is accommodated within the receptacle.Type: ApplicationFiled: November 22, 2010Publication date: May 26, 2011Applicant: DELTA ELECTRONICS, INC.Inventors: Jiang Chu, Wei Chen, I-Chi Cheng, Yi-Fan Wu, Zhi Huang
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Patent number: 7576418Abstract: A lead frame structure comprises a side rail, a first paddle, a second paddle, a plurality of leads, and an downset anchor bar. The first paddle is connected to the side rail via at least one first tie bar, and the second paddle is connected to the side rail via at least one-second tie bar. The first paddle and the second paddle separated from each other are used to define an area to support a chip. These leads set on the side rail expends toward to the chip supporting area. One end of the downset anchor bar is connected to the side rail, and the other end of the downset anchor bar has a protrusion portion which is between the first paddle and the second paddle and is downset from the side rail.Type: GrantFiled: July 3, 2008Date of Patent: August 18, 2009Assignee: Orient Semiconductor Electronics, Ltd.Inventors: Chia-Yu Chen, Ta-Lin Pong, En-Shou Chang, I-Chi Cheng, Chen-Ping Su
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Publication number: 20090121329Abstract: A lead frame structure comprises a side rail, a first paddle, a second paddle, a plurality of leads, and an downset anchor bar. The first paddle is connected to the side rail via at least one first tie bar, and the second paddle is connected to the side rail via at least one-second tie bar. The first paddle and the second paddle separated from each other are used to define an area to support a chip. These leads set on the side rail expends toward to the chip supporting area. One end of the downset anchor bar is connected to the side rail, and the other end of the downset anchor bar has a protrusion portion which is between the first paddle and the second paddle and is downset from the side rail.Type: ApplicationFiled: July 3, 2008Publication date: May 14, 2009Inventors: Chia-Yu Chen, Ta-Lin Pong, En-Shou Chang, I-Chi Cheng, Chen-Ping Su
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Publication number: 20080284551Abstract: Transformers are provided. A transformer comprises a ferromagnetic core unit; a bobbin coupled with the ferromagnetic core unit; at least a winding unit as a primary winding and at least a plate as a secondary winding. Also, some of the winding units can act as a secondary winding. At least a winding unit and at least a plate are alternatively stacked in a staggered manner. A conductive wire is wound around the winding unit.Type: ApplicationFiled: July 29, 2008Publication date: November 20, 2008Inventors: Yu-Chan Chen, Kai-Yuan Cheng, I-Chi Cheng, Hsin-Wei Tsai, Wen-Pin Feng, Heng-Cheng Chou, Kao-Tsai Liao, Yi-Fan Wu
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Patent number: 7439838Abstract: Transformers are provided. A transformer comprises a ferromagnetic core unit; a bobbin coupled with the ferromagnetic core unit; at least a winding unit as a primary winding and at least a plate as a secondary winding. Also, some of the winding units can act as a secondary winding. At least a winding unit and at least a plate are alternatively stacked in a staggered manner. A conductive wire is wound around the winding unit.Type: GrantFiled: August 23, 2006Date of Patent: October 21, 2008Assignee: Delta Electronics, Inc.Inventors: Yu-Chan Chen, Kai-Yuan Cheng, I-Chi Cheng, Hsin-Wei Tsai, Wen-Pin Feng, Heng-Cheng Chou, Kao-Tsai Liao, Yi-Fan Wu
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Publication number: 20070057757Abstract: Transformers are provided. A transformer comprises a ferromagnetic core unit; a bobbin coupled with the ferromagnetic core unit; at least a winding unit as a primary winding and at least a plate as a secondary winding. Also, some of the winding units can act as a secondary winding. At least a winding unit and at least a plate are alternatively stacked in a staggered manner. A conductive wire is wound around the winding unit.Type: ApplicationFiled: August 23, 2006Publication date: March 15, 2007Inventors: Yu-Chan Chen, Kai-Yuan Cheng, I-Chi Cheng, Hsin-Wei Tsai, Wen-Pin Feng, Heng-Cheng Chou, Kao-Tsai Liao, Yi-Fan Wu