Patents by Inventor Wen-Hua Chen
Wen-Hua Chen 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: 20120188029Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.Type: ApplicationFiled: April 5, 2012Publication date: July 26, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., Tsinghua UniversityInventors: Wen-Hua Chen, Zheng-He Feng, Ping-Yang Chuang
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Publication number: 20120049984Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the space of the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillator disposed therein. The harmonic oscillators includes a supporter and a carbon nanotube structure disposed on a surface of the supporter.Type: ApplicationFiled: November 3, 2011Publication date: March 1, 2012Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: WEN-HUA CHEN, ZHENG-HE FENG, PING-YANG CHUANG
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Patent number: 8080128Abstract: Disclosed is a method for increasing the concentration of xylose in lignocellulosic hydrolysate. The method includes the step of extruding lignocellulosic material and mixing the lignocellulosic material with diluted acid and the step of conducting hot-water extraction on the mixture. Hence, the concentration of the xylose in the lignocellulosic hydrolysate can achieve a high concentration of 60 g/L, and the yield of the xylose can reach to 90%.Type: GrantFiled: December 31, 2009Date of Patent: December 20, 2011Assignee: Atomic Energy Council - Institute of Nuclear ResearchInventors: Wen-Hua Chen, Sheng-Shieh Chen, Wen-Song Hwang, Lee-Chung Men, Jia-Baau Wang
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Patent number: 8072299Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillators disposed therein. At least one of the harmonic oscillators comprises a supporter and a carbon nanotube structure disposed on a surface of the supporter.Type: GrantFiled: October 9, 2008Date of Patent: December 6, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Wen-Hua Chen, Zheng-He Feng, Ping-Yang Chuang
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Publication number: 20110177572Abstract: A hydrolysate-adapted yeast, Pichia stipitis INER 1128, is cultivated according to the present invention. The adapted yeast can effectively convert xylose into ethanol in lignocellulosic hydrolysate, which is not even detoxified. Well ethanol yield is obtained while xylose is not wasted and thus cost is reduced.Type: ApplicationFiled: January 19, 2010Publication date: July 21, 2011Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCHInventors: Jia-Baau Wang, Lee-Chung Men, Wen-Song Hwang, Wen-Hua Chen, Sheng-Shieh Chen, Wen-Heng Chen, Ting-Hsiang Lin, Chiung-Fang Huang, Sheng-Hsin Chou, Teng-Chieh Hsu, Gia-Luen Guo
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Publication number: 20110155336Abstract: Disclosed is a method for increasing the concentration of xylose in lignocellulosic hydrolysate. The method includes the step of extruding lignocellulosic material and mixing the lignocellulosic material with diluted acid and the step of conducting hot-water extraction on the mixture. Hence, the concentration of the xylose in the lignocellulosic hydrolysate can achieve a high concentration of 60 g/L, and the yield of the xylose can reach to 90%.Type: ApplicationFiled: December 31, 2009Publication date: June 30, 2011Applicant: ATOMIC ENERGY COUNCIL-INSTITUTE OF NUCLEAR ENERGY RESEARCHInventors: Wen-Hua Chen, Sheng-Shieh Chen, Wen-Song Hwang, Lee-Chung Men, Jia-Baau Wang
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Patent number: 7928912Abstract: A multiband antenna includes a long radiating branch, a short radiating branch, a short strip, a feed point, a grounding portion, a connecting portion, a long parasitic strip, and a short parasitic strip. The feed point, the long radiating branch, the short radiating branch, and the short strip are in a first plane. The grounding portion connects to the short strip. The connecting portion connects the long radiating branch, the short radiating branch, and the short strip. The long radiating branch, the short strip, and the connecting portion form a first inverted-L shaped antenna structure. The short radiating branch, the short strip, and the connecting portion form a second inverted-L shaped antenna structure. The long parasitic strip and the short parasitic strip are in a second plane and respectively connected to the grounding portion. The first plane is parallel to the second plane.Type: GrantFiled: July 11, 2008Date of Patent: April 19, 2011Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Wen-Hua Chen, Xin Wang, Zheng-He Feng
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Patent number: 7872693Abstract: A touch substrate includes a transparent substrate having a first surface and a second surface facing the first surface, a plurality of thin film transistor elements disposed on the second surface, and a capacitance touch structure. The capacitance touch structure includes a plurality of parallel first conductive electrodes disposed on the first surface and a plurality of parallel second conductive electrodes disposed on the second surface. The second electrodes cross the first electrodes insulatingly. The first electrodes, the second electrodes and the transparent substrate sandwiched therebetween form a plurality of sensing capacitors.Type: GrantFiled: September 5, 2008Date of Patent: January 18, 2011Assignee: Chimel Innolux CorporationInventor: Wen-Hua Chen
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Patent number: 7824155Abstract: A fan holder is provided for holding a fan on a base, wherein the fan holder includes a fixed frame, a movable frame, and a lid. The fixed frame is fixed on the base while the movable frame is pivotally connected to the base, and the movable frame is spaced from the fixed frame by an interval. When the movable frame rotates relative to the base, a containing space is formed between the fixed frame and the movable frame to accommodate the fan. The lid is pivotally connected to an upper edge of the fixed frame, so as to be swiveled relative to the fixed frame for covering the fan, and the lid is engaged with the movable frame simultaneously, so as to holding the fan in the containing space.Type: GrantFiled: April 16, 2007Date of Patent: November 2, 2010Assignee: Inventec CorporationInventor: Wen-Hua Chen
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Publication number: 20100024610Abstract: An assembly/disassembly pliers including two pivoted pliers bodies is used to assemble or disassemble a heat sink on or from a chip. The heat sink is disposed in a fixing member, and two hooks of the fixing member are buckled with the chip. An actuating handle and an operating board are respectively disposed on each pliers body, and a bump is extended from at least one operating board. The two actuating handles are actuated to drive the two operating boards to open towards opposite directions, such that the bumps push the fixing member and release the hooks, such that the fixing member and the heat sink are installed on or separated from the chip.Type: ApplicationFiled: September 22, 2008Publication date: February 4, 2010Applicant: INVENTEC CORPORATIONInventors: Wen-Hua Chen, Wei-Hung Lu, Hsin-Fa Liu, Yu-Chung Huang
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Publication number: 20090195331Abstract: A filter includes: a container; at least one barrier, an input device and an output device. The at least one barrier divide the container into at least two resonant cavities. Each resonant cavity has a harmonic oscillators disposed therein. At least one of the harmonic oscillators comprises a supporter and a carbon nanotube structure disposed on a surface of the supporter.Type: ApplicationFiled: October 9, 2008Publication date: August 6, 2009Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: WEN-HUA CHEN, ZHENG-HE FENG, PING-YANG CHUANG
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Publication number: 20090166819Abstract: A chipset package structure includes a carrier, a plurality of pinouts, at least one semiconductor package preforms, at least one electromagnetic shielding layer and a protective layer. The pinouts are disposed on the carrier. The semiconductor package preforms is disposed on the second surface of the carrier and electrically connected to the pinouts. The electromagnetic shielding layer is disposed on the semiconductor package preforms and the electromagnetic shielding layer. At least one of the electromagnetic shielding layers comprises a carbon nanotube film structure. The protective layer covers the electromagnetic shielding layer.Type: ApplicationFiled: October 9, 2008Publication date: July 2, 2009Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: WEN-HUA CHEN, ZHENG-HE FENG, PING-YANG CHUANG
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Publication number: 20090141461Abstract: A positioning structure is applied to an electrode device, which includes a movable component and an elastic element. The movable component is moved towards the joining direction for the circuit board and a case to press the elastic element, so as to deform the elastic element. A stopper is against the circuit board to fix the circuit board. Once the being against stopper is released from the circuit board, the elastic element pushes the circuit board along a releasing direction, and thereby the circuit board being conveniently disassembled.Type: ApplicationFiled: November 30, 2007Publication date: June 4, 2009Applicant: INVENTEC CORPORATIONInventor: Wen-Hua Chen
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Publication number: 20090065781Abstract: A touch substrate includes a transparent substrate having a first surface and a second surface facing the first surface, a plurality of thin film transistor elements disposed on the second surface, and a capacitance touch structure. The capacitance touch structure includes a plurality of parallel first conductive electrodes disposed on the first surface and a plurality of parallel second conductive electrodes disposed on the second surface. The second electrodes cross the first electrodes insulatingly. The first electrodes, the second electrodes and the transparent substrate sandwiched therebetween form a plurality of sensing capacitors.Type: ApplicationFiled: September 5, 2008Publication date: March 12, 2009Inventor: Wen-Hua Chen
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Publication number: 20090057524Abstract: A fixing assembly is used for fixing a fan having a plurality of fixing holes formed on two ends thereof. The fixing assembly includes a fixed frame, a side plate, a rotatable frame, and a plurality of first vibration absorbing members. The fixed frame is formed by bending a flexible wire for carrying the fan. The side plate is fixed on a board, and the rotatable frame is formed by bending another flexible wire, and is pivoted to the side plate to be opened or clasped on the fixed frame selectively. Each first vibration absorbing member includes a fixed portion fixed in the fixing holes of the fan and an absorbing portion for pressing against the fixed frame or the rotatable frame, so as to fix the fan on the fixed frame or the rotatable frame and absorb or isolate the vibration generated by the fan.Type: ApplicationFiled: September 4, 2007Publication date: March 5, 2009Applicant: INVENTEC CORPORATIONInventor: Wen-Hua CHEN
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Publication number: 20090051672Abstract: An exemplary electro-wetting display device includes a first substrate, a second substrate opposite to the first substrate, a first polar liquid disposed between the first and second substrates, a second, colored, non-polar liquid disposed between the first and second substrates, and a touch system disposed adjacent to the first substrate. The second liquid is immiscible with the first liquid. The touch system is configured for sensing outside touches and locating the touching position.Type: ApplicationFiled: August 25, 2008Publication date: February 26, 2009Inventors: Wen-Hua Chen, Miao-Sung Huang, Hsiang-Hui Hsieh
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Publication number: 20090015487Abstract: A multiband antenna includes a long radiating branch, a short radiating branch, a short strip, a feed point, a grounding portion, a connecting portion, a long parasitic strip, and a short parasitic strip. The feed point, the long radiating branch, the short radiating branch, and the short strip are in a first plane. The grounding portion connects to the short strip. The connecting portion connects the long radiating branch, the short radiating branch, and the short strip. The long radiating branch, the short strip, and the connecting portion form a first inverted-L shaped antenna structure. The short radiating branch, the short strip, and the connecting portion form a second inverted-L shaped antenna structure. The long parasitic strip and the short parasitic strip are in a second plane and respectively connected to the grounding portion. The first plane is parallel to the second plane.Type: ApplicationFiled: July 11, 2008Publication date: January 15, 2009Applicants: TSINGHUA UNIVERSITY, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Wen-Hua Chen, Xin Wang, Zheng-He Feng
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Publication number: 20080253886Abstract: A fan holder is provided for holding a fan on a base, wherein the fan holder includes a fixed frame, a movable frame, and a lid. The fixed frame is fixed on the base while the movable frame is pivotally connected to the base, and the movable frame is spaced from the fixed frame by an interval. When the movable frame rotates relative to the base, a containing space is formed between the fixed frame and the movable frame to accommodate the fan. The lid is pivotally connected to an upper edge of the fixed frame, so as to be swiveled relative to the fixed frame for covering the fan, and the lid is engaged with the movable frame simultaneously, so as to holding the fan in the containing space.Type: ApplicationFiled: April 16, 2007Publication date: October 16, 2008Inventor: Wen-Hua Chen
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Publication number: 20080164011Abstract: A liquid cooling type heat-dissipating device for exchanging heat with a heat source is provided, which includes a heat-dissipating fan, a pump, a liquid pipe, a motor, and a heat-dissipating block. The motor drives the heat-dissipating fan and the pump. Two ends of the liquid pipe are connected to the pump so as to form a fluid loop, wherein the liquid pipe is in contact with the heat-dissipating block, and the heat-dissipating block is disposed on the heat source. The liquid pipe is continuously curved on a segment away from the heat-dissipating block to form a curved portion located on a wind output path of the heat-dissipating fan, therefore, the heat-dissipating fan cools the curved portion by blowing wind, so as to increase the speed of temperature dropping thereby improving the heat dissipation performance of the liquid pipe.Type: ApplicationFiled: January 9, 2007Publication date: July 10, 2008Inventor: Wen-Hua Chen
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Patent number: 6148481Abstract: A pivotal device connected between a door and a door frame includes a first part connected to the door frame and a second part connected to the door. The first part has a torsion member connected thereto which has a roller connected to one of two ends of the torsion member. A cam member is rotatably mounted to the first part and has a plurality of recesses one of which is engaged with the roller. The second part has a tube which is rotatably mounted to a shaft of the first part and is fixedly connected to the cam member. The door is pivoted relative to the door frame and positioned at an angle when the roller is engaged with one of the recesses of the cam member.Type: GrantFiled: July 21, 1999Date of Patent: November 21, 2000Inventor: Wen Hua Chen