Patents by Inventor Wei-Cheng Tang

Wei-Cheng Tang 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).

  • Publication number: 20190221132
    Abstract: A kinesthetic device that simulates flight includes a base unit and a swing unit. The base unit includes a base seat; whereas, the swing unit includes a swing seat, two swing support structures pivoted between the base seat and the swing seat, and a swing actuator used to control the swing positions of the two swing support structures. The two swing support structures are equal in length and parallel to each other. A fixed baseline is formed between two junction points between the two swing support structures and the base seat, a swing baseline is formed between two junction points between the two swing support structures and the swing seat, and the fixed baseline and the swing baseline are equal in length. The two swing support structures, the fixed baseline and the swing baseline form a parallelogram, allowing the swing support structures to swing stably the base seat.
    Type: Application
    Filed: January 17, 2018
    Publication date: July 18, 2019
    Inventors: Wei-Ching Tang, Ke-Cheng Chien, Tien-Ni Cheng
  • Publication number: 20190149146
    Abstract: This invention discloses an active load generation circuit and a filter. The active load generation circuit includes a transistor, a voltage control circuit, a voltage offset and tracking circuit, and a temperature sensing circuit. The transistor provides an impedance and includes a control terminal and an input terminal. The control terminal receives a control voltage, the input terminal receives an input signal, and the impedance is associated with the control voltage. The voltage control circuit generates an intermediate voltage according to a power supply voltage and a first reference voltage. The voltage offset and tracking circuit generates the control voltage according to the input signal and the intermediate voltage such that the control voltage varies with the input signal. The temperature sensing circuit senses an ambient temperature of the active load generation circuit and adjusts the first reference voltage according to the ambient temperature.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 16, 2019
    Inventors: WEI-CHENG TANG, KUOHSI WU
  • Publication number: 20180179416
    Abstract: The embodiments of the present disclosure provide a coating composition, including: polysilsesquioxane polymer modified organic resin represented by Formula (1): Wherein, R1 is C3-12 epoxy group, C3-12 acrylate group, C3-12 alkylacryloxy group, C3-12 aminoalkyl group, C3-12 isocyanate-alkyl group, C3-12 alkylcarboxylic acid group, C3-12 alkyl halide group, C3-12 mercaptoalkyl group, C3-12 alkyl group, or C3-12 alkenyl group; R2 is half oxygen(O1/2), hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group; R3 is halide group, C1-8 alkyl halide group, C1-8 alkoxy group, C1-12 alkyl group, or C5-20 aromatic ring; R4 is hydrogen or C1-8 alkyl group; R5 is modified or unmodified carbonyl compound moiety; n is a positive integer from 1 to 200; m is a positive integer from 10 to 500, and s is an integer from 0 to 250.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 28, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yuan-Chang HUANG, Ya-I HSU, Yi-Che SU, Wei-Cheng TANG, Shu-Yun CHIEN
  • Patent number: 9906123
    Abstract: Disclosed is a charge-pump and a dynamic charge-pump device including the same. By switching the plurality of voltage sources, the output voltage of the charge-pump can be compensated, and changed output voltage of the charge pump is utilized to adjust a voltage as power source or ground source of a loading circuit. A detection circuit may further be included in the charge-pump for detecting the voltage or current of the loading circuit, and the minimum output voltage of the charge pump may be chosen to adjust the voltage-drop of the loading circuit, and the variation of the voltage of the loading circuit can be brought back within a predetermined range, such that the operational efficiency of the loading circuit may not be influenced. Moreover, the adjustment may be performed according to the different operation modes of the loading circuit, and the power consumption can be decreased.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: February 27, 2018
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Wei-Cheng Tang, Chih-Kang Chien
  • Patent number: 9796878
    Abstract: The disclosure provides a coating composition, a film made of the coating composition, and method for preparing the coating composition. The coating composition includes a product prepared from cross-linking a (a) polysilsesquioxane with a (b) compound with the structure represented by Formula (I): wherein R is independently a hydroxyl group, or C1-8 alkoxy group, R1 is a C3-12 epoxy group, C3-12 acrylate group, C3-12 alkylacryloxy group, C3-12 aminoalkyl group, C3-12 isocyanate-alkyl group, C3-12 alkylcarboxylic acid group, C3-12 alkyl halide group, C3-12 mercaptoalkyl group, C3-12 alkyl group, or C3-12 alkenyl group, and R2 is a hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group.
    Type: Grant
    Filed: July 22, 2013
    Date of Patent: October 24, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yuan-Chang Huang, Wei-Cheng Tang, Shu-Yun Chien, Yuung-Ching Sheen, Yih-Her Chang, Jer-Young Chen
  • Patent number: 9758624
    Abstract: A method for forming an inorganic passivation material is provided. The method includes mixing about 5 to 80 parts by weight of trialkoxysilane, about 10 to 80 parts by weight of tetraalkoxysilane, and about 1 to 30 parts by weight of catalyst to perform a reaction at pH of about 0.05 to 4 to form an inorganic resin material. The inorganic resin material is modified by phosphate ester to form an inorganic passivation material, wherein phosphate ester is about 0.1-10 parts by weight based on 100 parts by weight of the inorganic resin material. An inorganic passivation material and a passivation protective film produced therefrom are also provided.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: September 12, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Cheng Tang, Yun-Shan Huang, Ya-Tin Yu, Yi-Che Su, Yuung-Ching Sheen, Yuan-Chang Huang
  • Patent number: 9695333
    Abstract: A resin composition formed by reacting a polyester-polyacid oligomer with a poly-epoxy oligomer is provided. The functionality of the resin composition is between 4 and 10. The weight average molecular weight of the resin composition is between 3,000 and 20,000 g/mol.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: July 4, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Cheng Tang, Su-Mei Chen Wei, Yi-Che Su, Ya-I Hsu, Yi-Tzu Peng
  • Patent number: 9688866
    Abstract: A method of manufacturing a hydrophobic antifouling coating material, including: (a) mixing a sol-gel precursor, water, an aqueous colloidal silica suspension, and a catalyst to perform a sol-gel reaction to form a solution having particles therein, wherein the sol-gel reaction is performed without addition of any organic solvent; (b) chemically modifying the particles with a hydrophobic agent to form surface-modified particles; and (c) adding a surfactant to the solution containing the surface-modified particles to form a hydrophobic antifouling coating material. The hydrophobic antifouling coating material can be dispersed in an aqueous solution, and has properties such as low VOC (Volatile organic compound) value, high solid content, and high stability.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 27, 2017
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, BEHR PROCESS CORPORATION
    Inventors: Yi-Che Su, Wei-Cheng Tang, Yuung-Ching Sheen, Yun-Shan Huang, Ming-Ren Tarng, Chenchen Xue
  • Publication number: 20170145243
    Abstract: A method of manufacturing a hydrophobic material is provided, which includes: (a) mixing a sol-gel precursor, water, and catalyst to perform a sol-gel reaction for forming a solution having particles therein, (b) modifying the particles with a hydrophobic agent to form surface-modified particles, (c) adding a small-molecular surfactant to the solution containing the surface-modified particles to form a first dispersion, (d) mixing a resin, a water soluble polymer, and water to form a second dispersion, and (e) mixing the first dispersion and the second dispersion to obtain a hydrophobic material.
    Type: Application
    Filed: December 30, 2015
    Publication date: May 25, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Cheng TANG, Yi-Che SU, Yun-Shan HUANG
  • Publication number: 20170110960
    Abstract: Disclosed is a charge-pump and a dynamic charge-pump device including the same. By switching the plurality of voltage sources, the output voltage of the charge-pump can be compensated, and changed output voltage of the charge pump is utilized to adjust a voltage as power source or ground source of a loading circuit. A detection circuit may further be included in the charge-pump for detecting the voltage or current of the loading circuit, and the minimum output voltage of the charge pump may be chosen to adjust the voltage-drop of the loading circuit, and the variation of the voltage of the loading circuit can be brought back within a predetermined range, such that the operational efficiency of the loading circuit may not be influenced. Moreover, the adjustment may be performed according to the different operation modes of the loading circuit, and the power consumption can be decreased.
    Type: Application
    Filed: July 18, 2016
    Publication date: April 20, 2017
    Inventors: Wei-Cheng Tang, Chih-Kang Chien
  • Publication number: 20160185895
    Abstract: A resin composition formed by reacting a polyester-polyacid oligomer with a poly-epoxy oligomer is provided. The functionality of the resin composition is between 4 and 10. The weight average molecular weight of the resin composition is between 3,000 and 20,000 g/mol.
    Type: Application
    Filed: July 23, 2015
    Publication date: June 30, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wei-Cheng TANG, Su-Mei Chen WEI, Yi-Che SU, Ya-I HSU, Yi-Tzu PENG
  • Patent number: 9287888
    Abstract: A converter with an additional DC offset includes a switch circuit, a first capacitor, a plurality of additional capacitor cells and an operational amplifier. The converter uses a first additional capacitor cell and a second additional capacitor cell having a capacitor difference with the first additional capacitor to store two charges having different polarity and magnitude with each other, and further generate an inverted DC offset according to a difference between the two charges to compensate a DC offset.
    Type: Grant
    Filed: January 2, 2015
    Date of Patent: March 15, 2016
    Assignee: REALTEK SEMICONDUCTOR CORP.
    Inventors: Ming-Cheng Chiang, Wei-Cheng Tang
  • Publication number: 20150194976
    Abstract: A converter with an additional DC offset and method thereof is disclosed in the present invention. The converter includes a switch circuit, a first capacitor, a plurality of additional capacitor cells and an operational amplifier. The switch circuit includes a plurality of switches. The first capacitor stores a first charge according to the switching control of the switch circuit. The plurality of additional capacitor cells includes a first additional capacitor cell and a second additional capacitor cell. There is a capacitor difference between the first additional capacitor cell and the second additional capacitor cell. The first additional capacitor cell and the second additional capacitor cell store a second charge and a third charge having different polarity and magnitude with the second charge according to the switching control of the switch circuit. The operation amplifier generates a DC bias according to the first charge wherein the DC bias includes a DC offset.
    Type: Application
    Filed: January 2, 2015
    Publication date: July 9, 2015
    Inventors: Ming-Cheng CHIANG, Wei-Cheng TANG
  • Publication number: 20150183936
    Abstract: A method for forming an inorganic passivation material is provided. The method includes mixing about 5 to 80 parts by weight of trialkoxysilane, about 10 to 80 parts by weight of tetraalkoxysilane, and about 1 to 30 parts by weight of catalyst to perform a reaction at pH of about 0.05 to 4 to form an inorganic resin material. The inorganic resin material is modified by phosphate ester to form an inorganic passivation material, wherein phosphate ester is about 0.1-10 parts by weight based on 100 parts by weight of the inorganic resin material. An inorganic passivation material and a passivation protective film produced therefrom are also provided.
    Type: Application
    Filed: June 16, 2014
    Publication date: July 2, 2015
    Inventors: Wei-Cheng TANG, Yun-Shan HUANG, Ya-Tin YU, Yi-Che SU, Yuung-Ching SHEEN, Yuan-Chang HUANG
  • Publication number: 20150183999
    Abstract: A method of manufacturing a hydrophobic antifouling coating material, including: (a) mixing a sol-gel precursor, water, an aqueous colloidal silica suspension, and a catalyst to perform a sol-gel reaction to form a solution having particles therein, wherein the sol-gel reaction is performed without addition of any organic solvent; (b) chemically modifying the particles with a hydrophobic agent to form surface-modified particles; and (c) adding a surfactant to the solution containing the surface-modified particles to form a hydrophobic antifouling coating material. The hydrophobic antifouling coating material can be dispersed in an aqueous solution, and has properties such as low VOC (Volatile organic compound) value, high solid content, and high stability.
    Type: Application
    Filed: December 27, 2013
    Publication date: July 2, 2015
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Behr Process Corporation
    Inventors: Yi-Che SU, Wei-Cheng TANG, Yuung-Ching SHEEN, Yun-Shan HUANG, Ming-Ren Tarng, Chenchen Xue
  • Patent number: 9008247
    Abstract: A communication circuit and a communication device are provided. The communication circuit includes first, second, and third RF transceivers, first and second baseband transceivers, and first and second modem circuits. The first and second RF transceivers are configured to down-convert first and second RF signals for MIMO. The third RF transceiver is configured to down-convert a third RF signal for a second telecommunication technology. The first baseband transceiver is configured to digitize the down-converted first RF signal to output a first baseband signal. The second baseband transceiver is configured to digitize one of the down-converted second or third RF signals according to a selection signal to output a second baseband signal. The first modem circuit is configured to digitally process the first and second baseband signals using the MIMO technology. The second modem circuit is configured to digitally process the second baseband signal using the second telecommunication technology.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: April 14, 2015
    Assignee: MediaTek Inc.
    Inventors: Wei-Cheng Tang, Juiyuan Tsai, Pao-Cheng Chiu
  • Publication number: 20140362936
    Abstract: A communication circuit and a communication device are provided. The communication circuit includes first, second, and third RF transceivers, first and second baseband transceivers, and first and second modem circuits. The first and second RF transceivers are configured to down-convert first and second RF signals for MIMO. The third RF transceiver is configured to down-convert a third RF signal for a second telecommunication technology. The first baseband transceiver is configured to digitize the down-converted first RF signal to output a first baseband signal. The second baseband transceiver is configured to digitize one of the down-converted second or third RF signals according to a selection signal to output a second baseband signal. The first modem circuit is configured to digitally process the first and second baseband signals using the MIMO technology. The second modem circuit is configured to digitally process the second baseband signal using the second telecommunication technology.
    Type: Application
    Filed: June 7, 2013
    Publication date: December 11, 2014
    Applicant: Media Tek Inc.
    Inventors: Wei-Cheng TANG, Juiyuan TSAI, Pao-Cheng CHIU
  • Publication number: 20140174321
    Abstract: The disclosure provides a coating composition, a film made of the coating composition, and method for preparing the coating composition. The coating composition includes a product prepared from cross-linking a (a) polysilsesquioxane with a (b) compound with the structure represented by Formula (I): wherein R is independently a hydroxyl group, or C1-8 alkoxy group, R1 is a C3-12 epoxy group, C3-12 acrylate group, C3-12 alkylacryloxy group, C3-12 aminoalkyl group, C3-12 isocyanate-alkyl group, C3-12 alkylcarboxylic acid group, C3-12 alkyl halide group, C3-12 mercaptoalkyl group, C3-12 alkyl group, or C3-12 alkenyl group, and R2 is a hydroxyl group, C1-8 alkyl group, or C1-8 alkoxy group.
    Type: Application
    Filed: July 22, 2013
    Publication date: June 26, 2014
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yuan-Chang HUANG, Wei-Cheng TANG, Shu-Yun CHIEN, Yuung-Ching SHEEN, Yih-Her CHANG, Jer-Young CHEN
  • Publication number: 20140170403
    Abstract: The present disclosure provides a method for forming an inorganic polymer material, including mixing 10 to 80 parts by weight of tetraalkoxysilane and 10 to 80 parts by weight of trialkoxysilane to form a mixture; and performing a reaction at pH of 0 to 4 by adding 5 to 30 parts by weight of a catalyst to the mixture to form an inorganic polymer material.
    Type: Application
    Filed: May 9, 2013
    Publication date: June 19, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Wei-Cheng TANG, Yuung-Ching SHEEN, Yuan-Chang HUANG, Yi-Che SU, Yun-Shan HUANG, Yih-Her CHANG, Jen-Lien LIN
  • Patent number: 8419808
    Abstract: The present invention relates to a dye compound represented by the following formula (I), or a salt thereof: wherein R1, R2, R3, R4, D1, D2, B, and n are defined the same as the specification, and also relates to a photoelectric component using the same. The dye compound of the present invention is suitable for Dye-Sensitized Solar Cell (DSSC). Hence, the photoelectric characteristics of the DSSC can be improved by using the dye compound of the present invention.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: April 16, 2013
    Assignee: Everlight USA, Inc.
    Inventors: Ming-si Wu, Wei-Cheng Tang