Patents by Inventor Wen-Ching Ko
Wen-Ching Ko 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: 10556353Abstract: A robot arm control device includes a pressure sensing module, a workspace defining module and a control module. The pressure sensing module, arranged on a robot arm, detects whether an object hits or touches the robot arm to switch the operating mode of the robot arm. The workspace defining module includes a sensing region arranged on a peripheral area around the robot arm. The workspace defining module determines whether the object enters an operating space according to the position of the object in the sensing region, and sets the working range and the working mode of the robot arm according to which operating space the object has entered. The control module, connected to the robot arm, the pressure sensing module and the workspace defining module, switches the operating mode and outputs a motor driving signal to the robot arm according to the working mode of the robot arm.Type: GrantFiled: December 29, 2016Date of Patent: February 11, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jui-Yiao Su, Yan-Chen Liu, Chang-Yi Chen, Ching-Shun Chen, Wen-Ching Ko, Hung-Hsiu Yu, Jwu-Sheng Hu
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Publication number: 20180043549Abstract: A robot arm control device includes a pressure sensing module, a workspace defining module and a control module. The pressure sensing module, arranged on a robot arm, detects whether an object hits or touches the robot arm to switch the operating mode of the robot arm. The workspace defining module includes a sensing region arranged on a peripheral area around the robot arm. The workspace defining module determines whether the object enters an operating space according to the position of the object in the sensing region, and sets the working range and the working mode of the robot arm according to which operating space the object has entered. The control module, connected to the robot arm, the pressure sensing module and the workspace defining module, switches the operating mode and outputs a motor driving signal to the robot arm according to the working mode of the robot arm.Type: ApplicationFiled: December 29, 2016Publication date: February 15, 2018Inventors: Jui-Yiao Su, Yan-Chen Liu, Chang-Yi Chen, Ching-Shun Chen, Wen-Ching Ko, Hung-Hsiu Yu, Jwu-Sheng Hu
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Patent number: 9651434Abstract: A pressure array sensor module including an array electrode board, a plurality of pressure sensing elements, at least one first conductive structure and at least one second conductive structure is provided. The array electrode board includes a substrate and an array electrode. The array electrode, disposed on the substrate, has a first electrode pattern and a second electrode pattern. Each pressure sensing element, disposed on a sensing position of the array electrode board, includes a top electrode layer, a bottom electrode layer and at least one pressure sensing layer disposed between the top and bottom electrode layers. The top electrode layer has a first lead. The bottom electrode layer has a second lead. The first conductive structure is electrically connected between each first lead and a corresponding first electrode pattern. The second conductive structure is electrically connected between each second lead and a corresponding second electrode pattern.Type: GrantFiled: October 2, 2015Date of Patent: May 16, 2017Assignee: Industrial Technology Research InstituteInventors: Jui-Yiao Su, Yan-Chen Liu, Chang-Yi Chen, Ching-Shun Chen, Wen-Ching Ko
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Publication number: 20160097689Abstract: A pressure array sensor module including an array electrode board, a plurality of pressure sensing elements, at least one first conductive structure and at least one second conductive structure is provided. The array electrode board includes a substrate and an array electrode. The array electrode, disposed on the substrate, has a first electrode pattern and a second electrode pattern. Each pressure sensing element, disposed on a sensing position of the array electrode board, includes a top electrode layer, a bottom electrode layer and at least one pressure sensing layer disposed between the top and bottom electrode layers. The top electrode layer has a first lead. The bottom electrode layer has a second lead. The first conductive structure is electrically connected between each first lead and a corresponding first electrode pattern. The second conductive structure is electrically connected between each second lead and a corresponding second electrode pattern.Type: ApplicationFiled: October 2, 2015Publication date: April 7, 2016Inventors: Jui-Yiao SU, Yan-Chen LIU, Chang-Yi CHEN, Ching-Shun CHEN, Wen-Ching KO
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Patent number: 9226725Abstract: A physiological signal sensing structure, a stethoscope therewith, and a manufacturing method thereof are provided. The sensing structure for physiological signals includes a flexible substrate, a piezoelectric sensing structure and a damping structure. The piezoelectric sensing structure is disposed over the flexible substrate, and includes a first surface and a second surface. The second surface of the piezoelectric sensing structure faces the flexible substrate. The piezoelectric sensing structure is an arc with a curvature, and the first surface thereof may face outward. The damping structure may be disposed between the flexible substrate and the piezoelectric sensing structure. In an embodiment, a further amplifying structure is disposed over the first surface of the piezoelectric sensing structure and contacts or does not contact a top region of the first surface.Type: GrantFiled: September 27, 2012Date of Patent: January 5, 2016Assignee: Industrial Technology Research InstituteInventors: Wen-Ching Ko, Kuo-Hua Tseng, Chang-Ho Liou, Chang-Yi Chen
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Patent number: 9132263Abstract: A flexible ultrasound actuator is provided. The flexible ultrasound actuator includes a fixing element and a piezoelectric film structure. At least two ends of the piezoelectric film structure are fixed on the fixing element. The piezoelectric film structure comprises at least two curvatures.Type: GrantFiled: December 28, 2012Date of Patent: September 15, 2015Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Ching Ko, Che-Yuan Sun, Chang-Yi Chen
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Patent number: 9074954Abstract: A readout apparatus and a driving method for sensor are provided. The readout apparatus includes an adjustable bias unit, a sensor unit, a signal converting unit, a checking unit and a control unit. The sensor unit senses physical energy and outputs a sensing result by using a bias voltage outputted from the adjustable bias unit. The control unit controls the adjustable bias unit according to the sensing result, so as to adjust the bias voltage. Therefore, the readout apparatus can reduce continuous power loss caused by long-term detection.Type: GrantFiled: September 15, 2012Date of Patent: July 7, 2015Assignee: Industrial Technology Research InstituteInventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko, Yan-Rung Lin, Kuan-Wei Chen
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Publication number: 20150088021Abstract: A vital signs sensing apparatus includes a sound sensing unit and a pressure unit. The sound sensing unit senses a sound inside a body of a user and produces an audio signal. The pressure unit produced a pressure signal. The pressure signal indicates a degree of closeness between the vital signs sensing apparatus and the user. The audio signal is transformed into a processed audio signal according to the pressure signal.Type: ApplicationFiled: December 27, 2013Publication date: March 26, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko
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Patent number: 8776367Abstract: 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: GrantFiled: April 13, 2009Date of Patent: July 15, 2014Assignee: 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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Publication number: 20140109696Abstract: A pressure sensing device and a clipping apparatus using the same are provided. The pressure sensing device includes a pressure sensing layer and a bump structure. The bump structure is disposed at one side of the pressure sensing layer. A parallel cross-sectional plane of the bump structure gradually becomes small along a direction. The parallel cross-sectional plane is substantially parallel to the pressure sensing layer.Type: ApplicationFiled: November 15, 2012Publication date: April 24, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chang-Yi CHEN, Wen-Ching KO, Kuo-Hua TSENG
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Publication number: 20140021969Abstract: A readout apparatus and a driving method for sensor are provided. The readout apparatus includes an adjustable bias unit, a sensor unit, a signal converting unit, a checking unit and a control unit. The sensor unit senses physical energy and outputs a sensing result by using a bias voltage outputted from the adjustable bias unit. The control unit controls the adjustable bias unit according to the sensing result, so as to adjust the bias voltage. Therefore, the readout apparatus can reduce continuous power loss caused by long-term detection.Type: ApplicationFiled: September 15, 2012Publication date: January 23, 2014Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Kuo-Hua Tseng, Chang-Ho Liou, Wen-Ching Ko, Yan-Rung Lin, Kuan-Wei Chen
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Patent number: 8600082Abstract: A sound-generating device comprises at least two first enclosures and a thin film. The at least two first enclosures with at least one first bendable element coupled between two neighboring first enclosures. The thin film comprising at least one electrode and at least one piezoelectric layer, the at least one electrode being coupled with a terminal of an audio signal output, wherein the at least one piezoelectric layer is configured to respond to a signal supplied by the audio signal output and to generate sound waves. The thin film and the at least two first enclosures are coupled together forming at least two first cavities between the thin film and the first enclosure, and the first bendable element is attached to the thin film.Type: GrantFiled: December 28, 2012Date of Patent: December 3, 2013Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, Wen-Jong Wu
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Publication number: 20130310709Abstract: A physiological signal sensing structure, a stethoscope therewith, and a manufacturing method thereof are provided. The sensing structure for physiological signals includes a flexible substrate, a piezoelectric sensing structure and a damping structure. The piezoelectric sensing structure is disposed over the flexible substrate, and includes a first surface and a second surface. The second surface of the piezoelectric sensing structure faces the flexible substrate. The piezoelectric sensing structure is an arc with a curvature, and the first surface thereof may face outward. The damping structure may be disposed between the flexible substrate and the piezoelectric sensing structure. In an embodiment, a further amplifying structure is disposed over the first surface of the piezoelectric sensing structure and contacts or does not contact a top region of the first surface.Type: ApplicationFiled: September 27, 2012Publication date: November 21, 2013Inventors: Wen-Ching Ko, Kuo-Hua Tseng, Chang-Ho Liou, Chang-Yi Chen
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Patent number: 8503702Abstract: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).Type: GrantFiled: October 22, 2010Date of Patent: August 6, 2013Assignees: Industrial Technology Research Institute, National Taiwan UniversityInventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
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Patent number: 8379888Abstract: 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: GrantFiled: July 8, 2008Date of Patent: February 19, 2013Assignee: National Taiwan UniversityInventors: Chih-Kung Lee, Wen-Ching Ko, Jia-Lun Chen, Wen-Hsin Hsiao, 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: 8110605Abstract: The invention discloses a novel compound effective in inactivating viruses and bacteria. The compound, 2-(10-mercaptodecyl)-propanedioic acid or salts thereof, is shown to disrupt, break down or inactivate viruses and bacteria, thus suppressing infection and proliferation thereof in host cells. A method of chemically synthesizing the novel compound is also disclosed.Type: GrantFiled: February 23, 2010Date of Patent: February 7, 2012Assignee: National Taiwan UniversityInventors: Shiming Lin, Chih-Kung Lee, Shih-Yuan Lee, Jim-Tong Hong, Ming-Chu Cheng, Chih-Chen Lin, Rong-Sin Wu, Shu-Fang Chu, Yu-Ting Chang, Wen-Ching Ko
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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: 20110255720Abstract: An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).Type: ApplicationFiled: October 22, 2010Publication date: October 20, 2011Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Che-I Kao, Chih-Kung Lee, Wen-Ching Ko, Chang-Ho Liou, Ing-Yih Leu, Ming-Daw Chen, Yi-Jen Chan, Chien-Kai Tseng
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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