Patents by Inventor Chih-An Chen
Chih-An 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: 20240209569Abstract: A method for decolorizing polyester fabric and a polyester fabric are provided. The method for decolorizing polyester fabric includes providing a dye-attached polyester fabric. The dye-attached polyester fabric is immersed in a first solution, obtaining a treated polyester fabric. The treated polyester fabric is immersed in a second solution, to obtain a decolorized polyester fabric. The first solution includes water, a first swelling agent and a solubility promoter. The second solution includes water, a second swelling agent, and an auxiliary swelling agent.Type: ApplicationFiled: April 19, 2023Publication date: June 27, 2024Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chung-Yang CHUANG, Chih-An CHEN, Min-Yan DONG, Chang-Jung CHANG, Hui-Min WANG
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Patent number: 11723495Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.Type: GrantFiled: March 29, 2019Date of Patent: August 15, 2023Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang
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Publication number: 20220192439Abstract: Systems, methods and apparatus for dispensing of paper products. A dispenser comprising a housing comprising a product holding area defined by a front, back and two sides, and a dispenser throat defining an opening through the housing; a motor coupled to the rolled product and configured to rotate the rolled product in first and second directions; and a feed mechanism having a first side opening and a second side opening different from the first side opening, wherein both the first side and second side openings are different from that dispenser throat, and wherein the first side opening is configured to accept the tail when the rolled product has a first orientation and is rotated in the first direction and the second side opening is configured to accept the tail when the rolled product has a second orientation and is rotated in the second direction.Type: ApplicationFiled: March 29, 2019Publication date: June 23, 2022Inventors: Richard P. Lewis, I-Chung Hou, Wan-Chih Lin, Ming-Chung Chung, Chih-An Chen, Wan-Chang Liang, Chan-Hao Chen, Huang-Keng Chen, Ching-Lung Mao, Wei-Ming Huang
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Patent number: 10909948Abstract: A ubiquitous auto calibration device is provided, which includes microcontroller unit, flex bus, image receiver image processing module, and an image output unit. The microcontroller unit is provided for receiving the electronic signal and performing a self-adjusting process to the electronic signal. The flex bus is connected with the microcontroller unit, and is provided for transmitting the electronic signal to the image processing module after performing the self-adjusting process. The image receiver is provided for receiving the image signal from the image receiving interface. The image processing module is provided for performing an image calibration process to the image signal, so that the image signal can obey the color temperature standard, Gamma value, uniformity and color gamut standards when the panel outputs the image signal.Type: GrantFiled: August 30, 2019Date of Patent: February 2, 2021Assignee: Diva Laboratories, Ltd.Inventors: Chih-An Chen, Wei-Peng Wang, Ching-Min Huang, Tzu-Hui Lee, Chuan-Ling Peng, Chi-Chou Huang, Huei-Jiun Li, Mei-Chuan Ku
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Publication number: 20200365113Abstract: A ubiquitous auto calibration device is provided, which includes microcontroller unit, flex bus, image receiver image processing module, and an image output unit. The microcontroller unit is provided for receiving the electronic signal and performing a self-adjusting process to the electronic signal. The flex bus is connected with the microcontroller unit, and is provided for transmitting the electronic signal to the image processing module after performing the self-adjusting process. The image receiver is provided for receiving the image signal from the image receiving interface. The image processing module is provided for performing an image calibration process to the image signal, so that the image signal can obey the color temperature standard, Gamma value, uniformity and color gamut standards when the panel outputs the image signal.Type: ApplicationFiled: August 30, 2019Publication date: November 19, 2020Inventors: Chih-An CHEN, Wei-Peng WANG, Ching-Min HUANG, Tzu-Hui LEE, Chuan-Ling PENG, Chi-Chou HUANG, Huei-Jiun LI, Mei-Chuan KU
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Patent number: 10457621Abstract: A process for preparing aryl ketones is disclosed. The process includes photo-oxidizing a compound of formula (V), (VI), (VII) or (VIII): in the presence of an oxidative system comprising at least one bromide compound to form aryl ketones. X1, X2, R1, R2, R3, L1, L2, L3, L4, t, n, m and p have the meanings as described in the specification and claims.Type: GrantFiled: August 5, 2016Date of Patent: October 29, 2019Assignee: ETERNAL MATERIALS CO., LTD.Inventors: Sheng-Yao Hsueh, Chih-An Chen, You-Han Lin, Hao-Tien Bai
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Publication number: 20170036981Abstract: A process for preparing aryl ketones is disclosed. The process includes photo-oxidizing a compound of formula (V), (VI), (VII) or (VIII): in the presence of an oxidative system comprising at least one bromide compound to form aryl ketones. X1, X2, R1, R2, R3, L1, L2, L3, L4, t, n, m and p have the meanings as described in the specification and claims.Type: ApplicationFiled: August 5, 2016Publication date: February 9, 2017Applicant: ETERNAL MATERIALS CO., LTD.Inventors: Sheng-Yao HSUEH, Chih-An CHEN, You-Han LIN, Hao-Tien BAI
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Publication number: 20140159060Abstract: A patterned substrate includes a substrate body and a plurality of solid patterns. The solid patterns are set on the substrate body, and at least partial pitches between the solid patterns are different.Type: ApplicationFiled: December 12, 2013Publication date: June 12, 2014Applicant: LUCEMITEK CO., LTD.Inventors: Cheng-Yu CHIU, Chun-Yi LEE, Chun-Hung CHEN, Chih-An CHEN, Wei-Lun WANG
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Publication number: 20140159100Abstract: A patterned substrate comprises a substrate body and a plurality of solid patterns disposed on the substrate body. The pitch of at least a part of the adjacent solid patterns is between 1.5 ?m and 2.5 ?m, the space of at least a part of the adjacent solid patterns is between 0.1 ?m and 0.7 ?m, and the height of at least a part of the solid patterns is between 0.7 ?m and 1.7 ?m. An electro-optical semiconductor element containing the patterned substrate is also disclosed.Type: ApplicationFiled: December 11, 2013Publication date: June 12, 2014Applicant: Lucemitek Co., Ltd.Inventors: Cheng-Yu CHIU, Chun-Yi LEE, Chun-Hung CHEN, Chih-An CHEN, Wei-Lun WANG
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Publication number: 20070008294Abstract: The present invention discloses a cordless electromagnetic induction system, which comprises a cordless pen and a tablet, connecting to a host. In this regards, the cordless pen comprises a battery for supplying power to the pen, a RF (radio frequency)oscillator circuit for generating radio frequency signal, representing the location and status of the pen at a central frequency, and a battery voltage detection apparatus for detecting the output voltage of the battery. The battery voltage detection apparatus commands the RF oscillator circuit for generating a signal, which central frequency is at a warning frequency, while the output voltage of the battery is lower than a critical value. The tablet comprises a tablet RF receiver for receiving RF signal from the RF oscillator circuit. The tablet informed the host for raising a low battery power warning to user while the tablet RF receiver received a signal, which central frequency is at the warning frequency.Type: ApplicationFiled: July 6, 2005Publication date: January 11, 2007Inventors: Chia-Te Huang, Chih-An Chen
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Patent number: 7153016Abstract: This invention discloses a package for a liquid crystal display with the electromagnetic module. This invention provides a package for the liquid crystal display with the electromagnetic module, the package for the liquid crystal display with the electromagnetic module comprises: a lightguide sub-module, an electromagnetic sub-module and a package sub-module; the electromagnetic sub-module further comprises an antenna circuit board with the connectors, a control device; and further the package sub-module comprises a first package-cover and a second package-cover, wherein the first package-cover comprises an opening of an about equivalent lightguide area of the lightguide sub-module, the surface of the second package-cover comprises the second openings. Furthermore, the backlight module with the electromagnetic module in the present invention utilizes a sidewall-fixed method to fix the inside devices.Type: GrantFiled: April 24, 2003Date of Patent: December 26, 2006Assignee: Waltop International Corp.Inventor: Chih-An Chen
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Publication number: 20060284854Abstract: The present invention discloses a cordless electromagnetic induction system, which comprises a cordless pen and a tablet connecting to a host. In this regards, the cordless pen comprises a battery for supplying power to the cordless pen, a radio frequency (RF) oscillation circuit for generating RF signal representing the location and status of the cordless pen, a wake up apparatus, and a sleep control apparatus. The wake up apparatus sets the cordless pen into a working mode and startup the RF oscillation circuit when receiving a wakeup RF signal. Moreover, the sleep control apparatus sets the cordless pen into a sleep mode and shutdown the RF oscillation circuit when the cordless pen is idle for a while in the working mode. In this embodiment, the tablet comprises a control apparatus, a tablet RF emitter, and a tablet RF receiver for receiving RF signal, representing the location and status of said cordless pen, from the RF oscillation circuit and informing the control apparatus.Type: ApplicationFiled: June 20, 2005Publication date: December 21, 2006Inventors: Shih-Hao Cheng, Chih-An Chen
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Patent number: 6942371Abstract: This invention discloses a backlight module of a liquid crystal display with an electromagnetic-induction system. The backlight module of the present invention comprises: a lightguide sub-module, a first surface of the lightguide sub-module is coupled with the liquid crystal display; an electromagnetic-induction sub-system, the electromagnetic-induction sub-system is located on a second surface of the lightguide sub-module, the electromagnetic-induction sub-module further comprises an antenna sub-circuit and a control sub-module, wherein the antenna sub-circuit is located under the second surface of the lightguide sub-module, and the control sub-module is coupled with the antenna sub-circuit.Type: GrantFiled: April 14, 2003Date of Patent: September 13, 2005Assignee: Aiptek International Inc.Inventor: Chih-An Chen
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Patent number: 6927742Abstract: This invention utilizes the design rule with minimum path to design the antenna layout so as to reduce the across-line effect, and it also makes changes in antenna address to design the optimum antenna layout. Furthermore, the single connector is also substituted for a plurality of connectors in the present invention to disperse the connected position of each antenna.Type: GrantFiled: March 14, 2003Date of Patent: August 9, 2005Assignee: Aiptek International Inc.Inventor: Chih-An Chen
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Patent number: 6882339Abstract: A plurality of single-induction-loops are inserted in an electromagnetic induction system in which multi-induction-loop is deployed. Deployment of a multi-induction-loop layout is constituted by induction loops with sawtooth-shaped areas and close-like areas formed by -type sections of same and opposite phases for reducing the number of switch in use, completely deploying induction loops of X axis and Y axis on a same common contact, effectively reducing area demand of electromagnetic induction system, and thus increasing effective area of panel board in use. Moreover, in order to further enhance ability of interference immunity of electromagnetic induction system, a plurality of single-induction-loops are inserted around multi-induction-loop for isolating interference of noise to multi-induction-loop and thus relatively increasing linearity and efficiency of electromagnetic induction system.Type: GrantFiled: January 8, 2003Date of Patent: April 19, 2005Assignee: Aiptek International Inc.Inventors: Ching-Chuan Chao, Chih-An Chen, Shi-Hao Cheng
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Patent number: 6849810Abstract: An antenna loop structure applicable to a digitizer tablet is capable of reducing effect of electromagnetic interference (EMI) by aggregating a plurality of antenna loops, wherein each antenna loop further comprises a plurality of -shaped segmental antennas, and each pair of immediate neighboring segmental antennas is phase-inverted to each other for counteracting against external EMI.Type: GrantFiled: May 25, 2001Date of Patent: February 1, 2005Assignee: AIPTEK International Inc.Inventors: Ching-Chuan Chao, Chih-An Chen
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Publication number: 20040212979Abstract: This invention discloses a package for a liquid crystal display with the electromagnetic module. This invention provides a package for the liquid crystal display with the electromagnetic module, the package for the liquid crystal display with the electromagnetic module comprises: a lightguide sub-module, an electromagnetic sub-module and a package sub-module; the electromagnetic sub-module further comprises an antenna circuit board with the connectors, a control device; and further the package sub-module comprises a first package-cover and a second package-cover, wherein the first package-cover comprises an opening of an about equivalent lightguide area of the lightguide sub-module, the surface of the second package-cover comprises the second openings. Furthermore, the backlight module with the electromagnetic module in the present invention utilizes a sidewall-fixed method to fix the inside devices.Type: ApplicationFiled: April 24, 2003Publication date: October 28, 2004Inventor: Chih-An Chen
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Publication number: 20040202009Abstract: This invention discloses a backlight module of a liquid crystal display with an electromagnetic-induction system. The backlight module of the present invention comprises: a lightguide sub-module, a first surface of the lightguide sub-module is coupled with the liquid crystal display; an electromagnetic-induction sub-system, the electromagnetic-induction sub-system is located on a second surface of the lightguide sub-module, the electromagnetic-induction sub-module further comprises an antenna sub-circuit and a control sub-module, wherein the antenna sub-circuit is located under the second surface of the lightguide sub-module, and the control sub-module is coupled with the antenna sub-circuit.Type: ApplicationFiled: April 14, 2003Publication date: October 14, 2004Inventor: Chih-An Chen
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Publication number: 20040178965Abstract: This invention utilizes the design rule with minimum path to design the antenna layout so as to reduce the across-line effect, and it also makes changes in antenna address to design the optimum antenna layout. Furthermore, the single connector is also substituted for a plurality of connectors in the present invention to disperse the connected position of each antenna.Type: ApplicationFiled: March 14, 2003Publication date: September 16, 2004Inventor: Chih-An Chen
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Publication number: 20040130534Abstract: A plurality of single-induction-loops are inserted in an electromagnetic induction system in which multi-induction-loop is deployed. Deployment of a multi-induction-loop layout is constituted by induction loops with sawtooth-shaped areas and close-like areas formed by Π-type sections of same and opposite phases for reducing the number of switch in use, completely deploying induction loops of X axis and Y axis on a same common contact, effectively reducing area demand of electromagnetic induction system, and thus increasing effective area of panel board in use. Moreover, in order to further enhance ability of interference immunity of electromagnetic induction system, a plurality of single-induction-loops are inserted around multi-induction-loop for isolating interference of noise to multi-induction-loop and thus relatively increasing linearity and efficiency of electromagnetic induction system.Type: ApplicationFiled: January 8, 2003Publication date: July 8, 2004Inventors: Ching-Chuan Chao, Chih-An Chen, Shi-Hao Cheng