Patents by Inventor Chia-Chang Chang
Chia-Chang Chang 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: 11851534Abstract: A method for preparing a fiber-containing molding compound includes the acts of a) providing a composite material which includes a first resin and fibers impregnated with the first resin, and b) mixing the composite material with a treatment medium which includes a diluent to form a mixture. The fiber-containing molding compound thus prepared has an adjustable fiber content.Type: GrantFiled: September 14, 2020Date of Patent: December 26, 2023Assignee: SRAM, LLCInventors: Hung I Chen, Chia-Chang Chang, Ching-Han Liu, Huan-Ching Hsu
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Publication number: 20230311371Abstract: Disclosed is a method for manufacturing a reinforced synthetic product with a curved geometry, which includes forming a fabric made of at least one filament bundle including a reinforcing fiber material and at least one thermoplastic filament woven with the filament bundle; and combining a heat-formable material with the fabric to form a bendable fabric preform sheet. Also disclosed is a method for manufacturing a reinforced synthetic product with a curved geometry, which includes positioning the bendable fabric preform sheet into a mold with a curved geometry to form a bended fabric preform sheet; and molding the bended fabric preform sheet by heating to form a cured product.Type: ApplicationFiled: January 30, 2023Publication date: October 5, 2023Applicant: SRAM, LLCInventors: Chen Hsiung CHEN, Chia Chang CHANG, Huan Ching HSU, Ching Han LIU, Chu Chen WANG
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Publication number: 20210079191Abstract: A method for preparing a fiber-containing molding compound includes the acts of a) providing a composite material which includes a first resin and fibers impregnated with the first resin, and b) mixing the composite material with a treatment medium which includes a diluent to form a mixture. The fiber-containing molding compound thus prepared has an adjustable fiber content.Type: ApplicationFiled: September 14, 2020Publication date: March 18, 2021Applicant: SRAM, LLCInventors: HUNG I CHEN, CHIA-CHANG CHANG, CHING-HAN LIU, HUAN-CHING HSU
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Publication number: 20190158602Abstract: A data collecting system includes a management server, a number of data collecting chains. Each data collecting chain includes a computer connected to the management server, at least one sensor and a data acquisition (DAQ), coupled to the sensor(s) and connected to the computer through RS485, configured to acquire sensing data from the sensor(s) and transmit the sensing data to the computer. The DAQs are connected to the computers through a wireless backup transmission interface. The management server sends a first confirmation signal to the computers. When at least one of the computers does not respond to the first confirmation signal, the management server indicates the computers which have responded to the first confirmation signal to receive the sensing data from the DAQ(s) corresponding to the computer(s) which doesn't respond to the first confirmation signal through the wireless backup transmission interface.Type: ApplicationFiled: December 6, 2017Publication date: May 23, 2019Applicant: INSTITUTE FOR INFORMATION INDUSTRYInventors: Kun-Yu LIN, Chia-Chang Chang, Chih-Chieh Lin, Chien-Chih Lu, Cheng-Tsai Lai, Jun-Ren Chen, Hung-Sheng Chiu
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Patent number: 9972554Abstract: A wafer level chip scale package (WLCSP) has a device chip, a carrier chip, an offset pad, a conductive spacing bump and a through hole via (THV). The device chip is attached to the carrier chip. The offset pad is disposed on a first surface of the device chip. The conductive spacing bump is formed on the offset pad. The through hole via includes a through hole and a hole metal layer. The through hole penetrates through the carrier chip and the device chip, and the hole metal layer is formed in the through hole and in contact with the offset pad.Type: GrantFiled: February 15, 2017Date of Patent: May 15, 2018Assignee: POWERTECH TECHNOLOGY INC.Inventors: Li-Chih Fang, Chia-Chang Chang, Hung-Hsin Hsu, Wen-Hsiung Chang, Kee-Wei Chung, Chia-Wen Lien
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Publication number: 20170256471Abstract: A wafer level chip scale package (WLCSP) has a device chip, a carrier chip, an offset pad, a conductive spacing bump and a through hole via (THV). The device chip is attached to the carrier chip. The offset pad is disposed on a first surface of the device chip. The conductive spacing bump is formed on the offset pad. The through hole via includes a through hole and a hole metal layer. The through hole penetrates through the carrier chip and the device chip, and the hole metal layer is formed in the through hole and in contact with the offset pad.Type: ApplicationFiled: February 15, 2017Publication date: September 7, 2017Inventors: Li-Chih Fang, Chia-Chang Chang, Hung-Hsin Hsu, Wen-Hsiung Chang, Kee-Wei Chung, Chia-Wen Lien
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Publication number: 20120275148Abstract: An optical reflective film and a light emitting device are provided. The optical reflective film includes a main body, organic particles, inorganic particles, and voids. The main body is made of polyolefin. A refractive index difference N of the optical reflective film is defined in the following equation, and its value ranges from 0.05 to 0.7: N = ? ( blr - alr ) × blc ? + ? ( clr - alr ) × clc ? + ? ( dlr - alr ) × dlc ? 100 In above equation, alr is refractive index of polyolefin, alc is weight percentage of the main body in the optical reflective film. blr is refractive index of the organic particles disposed in the main body, blc is weight percentage of the organic particles, clr is refractive index of inorganic particles disposed in the main body; clc is weight percentage of organic particles; dlr is refractive index of voids disposed in the main body, and dlc is the void ratio of optical reflective film.Type: ApplicationFiled: July 22, 2011Publication date: November 1, 2012Inventors: Wei-Ting YEH, Chia-Yin Yao, Chia-Chang Chang, Wen-Sheng Wang
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Patent number: 8218004Abstract: A displacement sensing system is disclosed. Two image capturing devices are settled at to opposite ends of a coordinate axis of the planar area, respectively, for capturing images of the planar area and an object placed thereon. Four pre-established LUT databases and an interactive four-matrix lookup table process are implemented to determine actual coordinates of the object on in the planar area.Type: GrantFiled: October 22, 2009Date of Patent: July 10, 2012Assignee: Cycling & Health Tech Industry R&D CenterInventors: Chern-Sheng Lin, Chia-Tse Chen, Tzu-Chi Wei, Wei-Lung Chen, Chia-Chang Chang
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Patent number: 8058333Abstract: A flame retarding composite material includes at least a PC resin, an ABS resin, a flame retardant having a P?X double bond, and an additive. The PC resin in the composite material is in the range of 60 wt % to 80 wt %. The ABS resin in the composite material is in the range of 15 wt % to 35 wt %. The additive can includes 5 wt % to 37 wt % of glass fiber.Type: GrantFiled: November 16, 2010Date of Patent: November 15, 2011Assignee: Entire Technology Co., Ltd.Inventors: Chia-Chang Chang, Wen-Sheng Wang, Yu Wei Chang
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Patent number: 7953244Abstract: A system integrating machine vision, interactive module and rehabilitation equipment primarily comprises a rehabilitation equipment, at least one image-capture device for continuously capturing images of specific limbs or a trunk of a user operating the rehabilitation equipment so as to generate digital image data, and a machine vision recognition unit for processing the digital image data into characteristic image data that can be analyzed and applied by a host computer belonging to the machine vision recognition unit. Then, the host computer can transform the characteristic image data into direction signals and velocity signals with respect to movements of the user's limbs and trunk and afterward output the signals to an interactive module.Type: GrantFiled: August 31, 2007Date of Patent: May 31, 2011Assignee: Cycling & Health Tech IndustryInventors: Chia-Chang Chang, Wei-Lung Chen, Tzu-Peng Chiang
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Publication number: 20110096161Abstract: A displacement sensing system is disclosed. Two image capturing devices are settled at to opposite ends of a coordinate axis of the planar area, respectively, for capturing images of the planar area and an object placed thereon. Four pre-established LUT databases and an interactive four-matrix lookup table process are implemented to determine actual coordinates of the object on in the planar area.Type: ApplicationFiled: October 22, 2009Publication date: April 28, 2011Inventors: Chern-Sheng Lin, Chia-Tse Chen, Tzu-Chi Wei, Wei-Lung Chen, Chia-Chang Chang
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Publication number: 20100173747Abstract: An upper-limb training apparatus allows a user's two upper limbs to independently and actively perform flexion and extension along a round track, so that the user's the two upper limbs can receive proper training, respectively.Type: ApplicationFiled: January 8, 2009Publication date: July 8, 2010Inventors: Wei-Long Chen, Chia-Chang Chang
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Patent number: 7635325Abstract: An interactive training device comprises an operation unit and an interaction unit. The operation unit has a movable plate built therein with a G-sensor so that motions of the movable plate in response to a user's operation are sensed by the G-sensor and further converted into particular signals to be output to the interaction unit.Type: GrantFiled: May 1, 2008Date of Patent: December 22, 2009Assignee: Cycling and Health Tech Industry Research & Development CenterInventors: Tzu-Peng Chiang, Wei-Long Chen, Chia-Chang Chang
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Publication number: 20090283648Abstract: A front-wheel steering gear having a function of outputting a directional signal, comprises a turntable assembly, which has a stationary base, a turntable rotatably mounted on the stationary base and a front-wheel positioning rack fixedly attached to a top surface of the turntable; an axially extendable rail, having one end thereof connected to the stationary base of the turntable assembly; a rear-wheel positioning rack, connected to another end of the rail; and a steering sensor, provided on the turntable assembly for detecting rotational directions and angles of the turntable and outputting signals corresponding to the rotational directions and angles to an interactive device.Type: ApplicationFiled: May 15, 2008Publication date: November 19, 2009Inventors: Tzu-Peng Chiang, Wei-Long Chen, Chia-Chang Chang
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Publication number: 20090275451Abstract: An interactive training device comprises an operation unit and an interaction unit. The operation unit has a movable plate built therein with a G-sensor so that motions of the movable plate in response to a user's operation are sensed by the G-sensor and further converted into particular signals to be output to the interaction unit.Type: ApplicationFiled: May 1, 2008Publication date: November 5, 2009Inventors: Tzu-peng Chiang, Wei-Long Chen, Chia-Chang Chang
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Publication number: 20090143197Abstract: The present invention discloses a dual-shaft hinge module for an interactive training apparatus. The dual-shaft hinge module comprises a first shaft assembly and a second shaft assembly, which orthogonally intersect and are positioned at a shaft seat. The first shaft assembly and the second shaft assembly can be controlled by a main post to rotated clockwise or anticlockwise against axes thereof. A first sensing and the second sensing units sense rotational directions and angles of the first and the second shaft assemblies to generate signals accordingly. The signals are then transmitted to an interactive device.Type: ApplicationFiled: November 30, 2007Publication date: June 4, 2009Inventors: Chung-Chieh Chen, Wei-Lung Chen, Chia-Chang Chang, Tzu-Peng Chiang
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Publication number: 20090063056Abstract: A system integrating machine vision, interactive module and rehabilitation equipment primarily comprises a rehabilitation equipment, at least one image-capture device for continuously capturing images of specific limbs or a trunk of a user operating the rehabilitation equipment so as to generate digital image data, and a machine vision recognition unit for processing the digital image data into characteristic image data that can be analyzed and applied by a host computer belonging to the machine vision recognition unit. Then, the host computer can transform the characteristic image data into direction signals and velocity signals with respect to movements of the user's limbs and trunk and afterward output the signals to an interactive module.Type: ApplicationFiled: August 31, 2007Publication date: March 5, 2009Inventors: Chia-Chang Chang, Wei-Lung Chen, Tzu-Peng Chiang
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Publication number: 20080099429Abstract: Methods for repairing patterned structure of electronic devices. A first substrate with a patterned structure thereon is provided, wherein the patterned structure includes at least one defect. The defect corresponds to a defect region while the patterned structure corresponds to a main region. A first surface treatment is performed on the defect region such that the surface characteristics on the defect region are different from those on the main region. The defect region is repaired by inkjet printing. A second surface treatment is performed on the defect region such that the surface characteristics on the defect region are the same as those on the main region.Type: ApplicationFiled: July 25, 2007Publication date: May 1, 2008Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Chao-Kai Cheng, Chieh-Yi Huang, Wan-Wen Chiu, Chun-Hung Lin, Chia-Chang Chang