Patents by Inventor Wen-Jong Wu
Wen-Jong Wu 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: 20120049693Abstract: An actuator and a method for using the same are provided. The actuator includes a flexible element and a photoelectric layer. The flexible element includes an elastic layer or a piezoelectric layer. The photoelectric layer is disposed on a side of the flexible element. An electrical characteristic of the photoelectric layer is determined according to an irradiation condition of the photoelectric layer.Type: ApplicationFiled: August 15, 2011Publication date: March 1, 2012Applicants: YEN TJING LING INDUSTRIAL RESEARCH INSTITUTE, NATIONAL TAIWAN UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Kung Lee, Chin-Kai Chang, Kuan-Ting Chen, Hui-Lung Kuo, Wen-Jong Wu
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Patent number: 8111847Abstract: A speaker comprises at least one electrode electrically coupled with an audio signal input and a film comprising at least one electret layer. The film is configured to interact with the electrode in response to an audio signal supplied by the audio signal input and to vibrate to generate sound waves. The electret layer is formed from a polymer-containing solution.Type: GrantFiled: August 6, 2008Date of Patent: February 7, 2012Assignee: National Taiwan UniversityInventors: Shih-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 8098855Abstract: A flexible actuator comprises a thin film and at least one first enclosure with at least one first bendable element coupled to the first enclosure. The thin film may comprise a conductive layer and a first electret layer over a first surface of the conductive layer. The thin film is configured to be bendable. The first enclosure have a first electrode layer as part of the first enclosure. The first enclosure is provided over the first electret layer with the first electrode layer being spaced apart from the first electret layer. The first electrode layer is coupled with a first terminal of an audio signal input. The thin film is configured to interact with the first enclosure in response to audio signals supplied by the audio signal input and to generate sound waves.Type: GrantFiled: August 6, 2008Date of Patent: January 17, 2012Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20110261229Abstract: A method of automatic task execution is adapted to be performed by an electronic apparatus that includes an image-capturing module and a processing module. The method includes the steps of: a) recording in the processing module a relationship between a visible physical attribute of an object and a corresponding task to be executed by the processing module; b) configuring the electronic apparatus for capturing an image containing a target using the image-capturing module; c) configuring the processing module to determine if the visible physical attribute of the object is found in the image captured by the image-capturing module; and d) when the visible physical attribute of the object is found in the image, configuring the processing module to execute the corresponding task automatically.Type: ApplicationFiled: October 25, 2010Publication date: October 27, 2011Applicant: National Taiwan UniversityInventors: Hsien-Hui Tang, Wen-Jong Wu, Yueh-Hsien Lin, Chih-Ying Yang, Yang-Bee Lee, Wen-Chieh Fang, Mu-Chern Fong, Cheng-Wei Chen, Gwen Hsiao
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Publication number: 20110226322Abstract: A solar battery unit is proposed, including: a first electrode; a nano rough layer formed on the first electrode; a semiconductor active layer formed on the nano rough layer; and a second electrode formed on the semiconductor active layer, thereby enabling the nano rough layer formed on the first electrode to fully absorb solar energy not completely absorbed by the semiconductor active layer so as to allow solar energy to be fed back to the semiconductor active layer with a view to maximizing absorption of solar energy.Type: ApplicationFiled: July 20, 2010Publication date: September 22, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Kang-Chuang Lee, Chih-Kung Lee, Wen-Jong Wu, Min-Hua Yang, Pin-Han Kuo
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Patent number: 8009838Abstract: A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio signal-receiving interface is configured to receive an audio signal, and the modulating circuit is coupled with the audio signal-receiving interface. The modulating circuit is configured to modulate a low frequency component of the audio signal and to generate a modulated signal. The phase-control circuit is coupled with the modulating circuit and the audio signal-receiving interface. The phase-control circuit is configured to receive the modulated signal and a high-frequency component of the audio signal and to control a phase of the modulated signal, a phase of the high-frequency component of the audio signal, or both. The speaker units are coupled with the phase-control circuit and configured to generate sound waves based on signals supplied by the phase-control circuit.Type: GrantFiled: August 22, 2008Date of Patent: August 30, 2011Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Ji-De Huang, Jia-Lun Chen, Ing-Yih Leu, Wen-Hsin Hsiao, Chih-Chiang Cheng, Jen-Hsuan Ho, Wen-Jong Wu
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Patent number: 7982366Abstract: An ultrasound transducer has a cup-shaped casing. The cup-shaped casing has a sidewall. A cross section of an inner surface of the sidewall being perpendicular to a central axis of the ultrasound transducer substantially shows a dumbbell-shaped contour. The dumbbell-shaped contour has a pair of opposite straight-line sections being substantially parallel to a longitudinal axis of the dumbbell-shaped contour and a pair of opposite arc sections being located respectively at two ends of the longitudinal axis of the dumbbell-shaped contour and respectively forming two enlarged portions of the dumbbell-shaped contour. Two ends of each arc section of the dumbbell-shaped contour respectively joint the straight-line sections through two curve sections and each curve section is connected to one end of the arc section and one straight-line section. At least one enlarged area of a dumbbell-shaped surface of an inside bottom surface has a recessed portion.Type: GrantFiled: December 16, 2008Date of Patent: July 19, 2011Assignees: Tung Thih Electronic Co., Ltd., National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Jong Wu, Chih-Chiang Cheng, Chia-Yu Lin, Jen-Hsuan Ho, Chuin-Shan Chen, Jay Shieh, Wen-Hsin Hsiao
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Publication number: 20110140722Abstract: Proposed is an object-sensing device including: a carrier base; at least one first conductive element disposed on a carrying surface of the carrier base; a cover capable of resting seamlessly on the carrying surface and provided therein with a receiving space; a resilient element received in the receiving space; at least one second conductive element disposed on a surface of the resilient element, wherein the surface of the resilient element faces the carrying surface, the at least one second conductive element corresponding in position to the at least one first conductive element; and a sensor electrically connected to the first conductive element and an end of the at least one second conductive element and configured to detect electrical contact between each of the first conductive elements and another end of the at least one second conductive element.Type: ApplicationFiled: June 14, 2010Publication date: June 16, 2011Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Wei-Chih Hsu, Jhe-Jhao Chang, Chi-Wei Kuo, Tung-Jung Sung, Wen-Jong Wu, Yao-Joe Yang
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Publication number: 20100215197Abstract: A flexible actuator comprises a thin film and at least one first enclosure with at least one first bendable element coupled to the first enclosure. The thin film may comprise a conductive layer and a first electret layer over a first surface of the conductive layer. The thin film is configured to be bendable. The first enclosure have a first electrode layer as part of the first enclosure. The first enclosure is provided over the first electret layer with the first electrode layer being spaced apart from the first electret layer. The first electrode layer is coupled with a first terminal of an audio signal input. The thin film is configured to interact with the first enclosure in response to audio signals supplied by the audio signal input and to generate sound waves.Type: ApplicationFiled: August 6, 2008Publication date: August 26, 2010Inventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20100148633Abstract: An ultrasound transducer has a cup-shaped casing. The cup-shaped casing has a sidewall. A cross section of an inner surface of the sidewall being perpendicular to a central axis of the ultrasound transducer substantially shows a dumbbell-shaped contour. The dumbbell-shaped contour has a pair of opposite straight-line sections being substantially parallel to a longitudinal axis of the dumbbell-shaped contour and a pair of opposite arc sections being located respectively at two ends of the longitudinal axis of the dumbbell-shaped contour and respectively forming two enlarged portions of the dumbbell-shaped contour. Two ends of each arc section of the dumbbell-shaped contour respectively joint the straight-line sections through two curve sections and each curve section is connected to one end of the arc section and one straight-line section. At least one enlarged area of a dumbbell-shaped surface of an inside bottom surface has a recessed portion.Type: ApplicationFiled: December 16, 2008Publication date: June 17, 2010Inventors: Chih-Kung Lee, Wen-Jong Wu, Chih-Chiang Cheng, Chia-Yu Lin, Jen-Hsuan Ho, Chuin-Shan Chen, Jay Shieh, Wen-Hsin Hsiao
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Publication number: 20100002542Abstract: An ultrasonic distance-measuring sensor assembly and an ultrasonic distance-measuring sensor thereof are disclosed. The ultrasonic distance-measuring sensor includes at least two piezoelectric actuators and a member. The member includes a side wall, at least two vibration generating/receiving surfaces and a partition. The vibration generating/receiving surfaces accommodate the piezoelectric actuators as sources. The side wall surrounds the vibration generating/receiving surfaces. The partition is disposed between the vibration generating/receiving surfaces and includes a gap. The gap is disposed between the vibration sending/receiving surfaces.Type: ApplicationFiled: June 29, 2009Publication date: January 7, 2010Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Chia-Yu LIN, Chih-Chang CHENG, Chih-Kung LEE, Wen-Jong WU, Chuin-Shan CHEN, Pei-Zen CHANG
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Publication number: 20090245547Abstract: A method of making a nonfluoropolymer electret film is provided. The method may include: providing a polymer-containing solution, the polymer-containing solution comprising at least one polymer material, at least one solvent, and at least one surfactant, spreading the polymer-containing solution to provide a wetting polymer film, removing at least a portion of the solvent in the wetting polymer film to provide a polymer film, and conducting a Corona charging to the polymer film to form the electret film.Type: ApplicationFiled: April 13, 2009Publication date: October 1, 2009Inventors: Shih-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090214049Abstract: A speaker system that includes an audio signal-receiving interface, a modulating circuit, a phase-control circuit, and a number of speaker units. The audio signal-receiving interface is configured to receive an audio signal, and the modulating circuit is coupled with the audio signal-receiving interface. The modulating circuit is configured to modulate a low frequency component of the audio signal and to generate a modulated signal. The phase-control circuit is coupled with the modulating circuit and the audio signal-receiving interface. The phase-control circuit is configured to receive the modulated signal and a high-frequency component of the audio signal and to control a phase of the modulated signal, a phase of the high-frequency component of the audio signal, or both. The speaker units are coupled with the phase-control circuit and configured to generate sound waves based on signals supplied by the phase-control circuit.Type: ApplicationFiled: August 22, 2008Publication date: August 27, 2009Inventors: Chih-Kung Lee, Wen-Ching KO, Ji-De Huang, Jia-Lun Chen, Ing-Yih Leu, Wen-Hsin Hsiao, Chih-Chiang Cheng, Jen-Hsuan Ho, Wen-Jong Wu
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Publication number: 20090185701Abstract: A sound-generating device comprises a first enclosure having at least one first electrode and a first piezoelectric layer, a first terminal of an audio signal output being coupled to the at least one first electrode of the first enclosure, a second enclosure having at least one first electrode and a first piezoelectric layer, and a first bendable element coupled between the first and second enclosures. The at least one first electrode is coupled with the first terminal of the audio signal output. The first piezoelectric layer of the first enclosure and the first piezoelectric layer of the second enclosure are configured to respond to the signal supplied by the audio signal output and to generate sound waves.Type: ApplicationFiled: July 8, 2008Publication date: July 23, 2009Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20090169036Abstract: A speaker comprises at least one electrode electrically coupled with an audio signal input and a film comprising at least one electret layer. The film is configured to interact with the electrode in response to an audio signal supplied by the audio signal input and to vibrate to generate sound waves. The electret layer is formed from a polymer-containing solution.Type: ApplicationFiled: August 6, 2008Publication date: July 2, 2009Inventors: Shin-Yuan Lee, Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Ing Yih Leu, Wen-Hsin Hsiao, Wen-Jong Wu
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Patent number: 7474040Abstract: In the present invention, a dual-output piezoelectric transformer for driving at least two loads is provided. The dual-output piezoelectric transformer comprises a piezoelectric piece, a set of input electrodes mounted centrally on a first and a second sides of the piece with a first polarization direction along a thickness direction of the piece, and a first and a second output electrodes polarized reversely in a second polarization direction and respectively mounted around surfaces of two ends of the piece with the second polarization direction being a longitudinal direction of the piece.Type: GrantFiled: January 4, 2007Date of Patent: January 6, 2009Assignee: National Taiwan UniversityInventors: Yao-Tien Huang, Wen-Hsin Hsiao, Yen-Chieh Wang, Yu-Yuan Chen, Wen-Jong Wu, Chih-Kung Lee
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Publication number: 20080145966Abstract: A method for fabricating organic thin-film transistors is disclosed. The method includes the steps of: providing a mold and a flexible substrate, wherein the mold comprises microstructures for defining source/drain electrode patterns on the substrate and at least an opening for feeding a solution material; forming an adhesive layer on the flexible substrate such that the mold is attached to the flexible substrate via the adhesive layer; feeding a solution material for forming source/drain electrodes via the opening of the mold and curing the solution material so as to form source/drain electrodes; removing the mold and forming a semiconductor layer on the source/drain electrodes; forming an insulator layer on the semiconductor layer and on the source/drain electrodes; forming a gate electrode on the insulator layer; and forming a protective layer for covering the organic thin-film transistor. The channel length of the thin film transistor is determined by the resolution of the microstructures of the mold.Type: ApplicationFiled: October 24, 2007Publication date: June 19, 2008Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Min-Hua Yang, Meng-Che Chuang, Wei-Hsiang Lin, Yu-Hsuan Chen, Chun-Hao Hsu, Wen-Hsin Hsiao, Chih-Kung Lee, Wen-Jong Wu
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Publication number: 20080108900Abstract: An ultrasound transducer apparatus for shaping the ultrasound coverage field per application requirement in both the radiating and receiving mode of operation. Wave coverage field is shaped by forming at least one cut at designated location on the housing wall. A cut on the housing wall of the transducer pot-shaped structural body results into the reduction of wave intensity, either radiating or receiving, toward that direction where the cut is located.Type: ApplicationFiled: September 27, 2007Publication date: May 8, 2008Inventors: Chih-Kung Lee, Wen-Jong Wu, Chuin-Shan Chen, Jay Shieh, Wen-Hsin Hsiao, Chih-Chiang Cheng, Nien-Ti Tsou, Yao-Tien Huang, Yuan-Ping Liu, Yu-Yuan Chen, Yen-Chieh Wang
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Publication number: 20070152539Abstract: In the present invention, a dual-output piezoelectric transformer for driving at least two loads is provided. The dual-output piezoelectric transformer comprises a piezoelectric piece, a set of input electrodes mounted centrally on a first and a second sides of the piece with a first polarization direction along a thickness direction of the piece, and a first and a second output electrodes polarized reversely in a second polarization direction and respectively mounted around surfaces of two ends of the piece with the second polarization direction being a longitudinal direction of the piece.Type: ApplicationFiled: January 4, 2007Publication date: July 5, 2007Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Yao-Tien Huang, Wen-Hsin Hsiao, Yen-Chieh Wang, Yu-Yuan Chen, Wen-Jong Wu, Chih-Kung Lee
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Publication number: 20060016698Abstract: An apparatus for quantitatively determining an analyte in a sample fluid includes a holder for holding an electrochemical cell that includes a catalyst, a waveform generator for generating a potential profile having a voltage bias and an alternating part, a detector for detecting a current signal for a period of measuring time through the electrochemical cell, a memory for storing the current signal, and a processor for correlating the current signals with the concentration of the analyte.Type: ApplicationFiled: January 21, 2005Publication date: January 26, 2006Inventors: Chih-Kung Lee, Wen-Jong Wu, Wen-Hsin Hsiao