Patents by Inventor Chang-Fa Sun
Chang-Fa Sun 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: 8250740Abstract: In a method for making an inspection fixture, a detachable mold assembly and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins are inserted into the mold assembly. Thirdly, a main body with a plurality of positioning holes corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: GrantFiled: March 3, 2011Date of Patent: August 28, 2012Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Ping Chen, Lei Li, Yan-Hua Xing, Wen-Quan Xu, Chang-Fa Sun, Lin-Sen Dong
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Patent number: 8210510Abstract: A clamping device for clamping a portable electronic device is provided. The clamping device includes a mounting board and a clamping mechanism. The clamping mechanism includes two adjusting members, two sliding blocks, and a sliding rail. The adjusting members can adjust the positions of the sliding blocks on the sliding rail. The sliding rail is selectively attached to the mounting board, either horizontally or vertically.Type: GrantFiled: January 12, 2010Date of Patent: July 3, 2012Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi Cheng, Jian-Gui Wu, Hong-Yan Li, Lin-Sen Dong, Yong-Zhi Tao, Chang-Fa Sun
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Patent number: 7984561Abstract: A device for determining dimensions of a workpiece includes a locating apparatus, a determining apparatus and a main processor. The locating apparatus includes a locating board supporting workpieces and defining at least one detecting aperture therethrough. The determining apparatus includes a detecting module, the detecting module includes at least one laser detector, each laser detector includes a laser emitter and a laser receiver respectively mounted on two opposite sides of the locating board. The main processor is connected to the locating apparatus and the determining apparatus, the laser emitter emits laser beams traveling through the detecting aperture and received by the laser receiver, and the main processor determines the dimension of the workpiece according to the dimension of parts on the laser receiver shielded by the workpiece.Type: GrantFiled: March 6, 2009Date of Patent: July 26, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hing Kong) LimtedInventors: Lei Li, Ji-Wen Yang, Yan-Xin Yu, Lin-Sen Dong, Ping Chen, Zhi Cheng, Chang-Fa Sun, Li-Ping Yang, Li Chang
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Patent number: 7966891Abstract: A fatigue test apparatus for thin workpiece includes a supporting module, a driving mechanism, a first connecting module, a second connecting module, a first holding post, a second holding post and a computer system. The first and second connecting modules are respectively fixed to two sides of the supporting module. Ends of the first holding post and the second holding post are fixed to the first and second connecting modules. The computer system electronically connects with and controls the driving mechanism. The first holding post and the second holding post are drive to rotate by the driving mechanism.Type: GrantFiled: April 3, 2009Date of Patent: June 28, 2011Assignees: Shenzhen Futaigong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi-Qiang Jiang, Chun-Ying Wang, Xue-Liang Zhai, Li-Ping Huang, Zhi Cheng, Chang-Fa Sun, Xian-Cui Du
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Publication number: 20110147565Abstract: In a method for making an inspection fixture, a detachable mold assembly and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins are inserted into the mold assembly. Thirdly, a main body with a plurality of positioning holes corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: ApplicationFiled: March 3, 2011Publication date: June 23, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: PING CHEN, LEI LI, YAN-HUA XING, WEN-QUAN XU, CHANG-FA SUN, LIN-SEN DONG
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Patent number: 7950130Abstract: In a method for making an inspection fixture, a detachable mold assembly (20) and a hardenable fluid are firstly prepared. Secondly, the hardenable fluid is poured into the mold assembly, and a plurality of molding pins (23) are inserted into the mold assembly. Thirdly, a main body (21) with a plurality of positioning holes (2122) corresponding to the molding pins (i.e., the locations thereof) are formed in the mold after the hardenable fluid hardens. Fourthly, the mold assembly is detached, and the part is removed from the mold. Finally, a plurality of positioning pins is mounted into the positioning holes of the molded part, the positioning holes having remained upon removal of the molding pins.Type: GrantFiled: December 13, 2006Date of Patent: May 31, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Ping Chen, Lei Li, Yan-Hua Xing, Wen-Quan Xu, Chang-Fa Sun, Lin-Sen Dong
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Patent number: 7848833Abstract: A flexible/adjustable fixing system (100) for fixing a workpiece (40) includes an information management module (10), a plurality of driving devices (20), and a positioning device (30). The information management module receives and processes the position information of the workpiece. The driving devices electronically couple with the information management module. The positioning device includes a platform (31) and a plurality of positioning pins (32). One end of the workpiece is positioned in a certain area of the platform. Each respective pin is attached to a corresponding driving device. When the driving device receives an order/signal from the information management module, the positioning pin is selectably driven relative to (e.g., toward, away from) the workpiece by the driving device.Type: GrantFiled: May 23, 2007Date of Patent: December 7, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi Cheng, Xue-Liang Zhai, Chang-Fa Sun, Lin-Sen Dong
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Patent number: 7798022Abstract: A testing device (100) configured for testing a multihole workpiece (10) with a plurality of holes (12), includes a detecting station (120) and an inspecting box (140). The detecting station positions a plurality of detecting pins (124) and a plurality of detecting apparatus (128). The detecting pins correspond to the holes of the multihole workpiece. The detecting apparatus respond for the multihole workpiece and sending detecting signals. The inspecting box receives the detecting signals from the detecting apparatus of the detecting station, and deals with and shows detecting results.Type: GrantFiled: October 29, 2007Date of Patent: September 21, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi Cheng, Ai-Ge Sun, Lin-Sen Dong, Chang-Fa Sun
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Patent number: 7779550Abstract: A measuring system (100) for flatness degree measurement includes a measuring instrument (10) and a processing device (20). The measuring instrument has a base (12), a guide column (14), a sliding member (16), a digital micrometer (18) and a holding member (19). The guide column is vertically attached to the base. The sliding member is moveably attached to the guide column. The digital micrometer is firmly fastened to the sliding member. The holding member is configured for fixing a workpiece (40) and has a reference-standard surface formed thereon. The processing device electronically connects with the digital micrometer. The processing device receives a plurality of measured values from the digital micrometer and displays a testing result after processing the measured values.Type: GrantFiled: November 27, 2007Date of Patent: August 24, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Zhi Cheng, Ping Chen, Ji-Wen Yang, Lin-Sen Dong, Chang-Fa Sun
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Patent number: 7757566Abstract: A testing system (100) is used to test a flip-type electronic device (80). The electronic device includes a cover (802) and a main body (801). A hinge (803) connects with the cover and the main body. The testing system includes a base (10), a plummer (20), a flipping device (30) and a control device (40). The plummer is fixed on the base for locking the electronic device. The flipping device is fixed on the base for opening and closing the cover of the electronic device. The control device includes an optical fiber sensor (42) for sensing the movement of the cover of the electronic device. The control device connects with the flipping device so as to control the flipping device.Type: GrantFiled: October 1, 2007Date of Patent: July 20, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi Cheng, Xue-Liang Zhai, Ming-Feng Li, Chang-Fa Sun, Dong Li, Yong-Zhi Tao
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Patent number: 7743676Abstract: A key testing apparatus (100) is provided. The key testing apparatus includes a base (11) and an actuator (12). The actuator includes a testing member (17) and a mounting member (18). The mounting member includes at least one base board (181) fixed to the base, a lower board (182), a mounting board (183), and a mounting sheet (185). The lower board is adjustably attached to the base board. The mounting board is adjustably attached to the lower board. The mounting sheet is adjustably attached to the mounting board. The clamping device includes a base desk (131), a clamping platform (132), at least one first clamping board (133) and second clamping board (134). The base desk is adjustably attached to the base. The clamping platform, at least one first clamping board, and at least one second clamping board are adjustably attached to the base desk.Type: GrantFiled: November 27, 2007Date of Patent: June 29, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Zhi Cheng, Jian-Gui Wu, Hong-Yan Li, Xue-Liang Zhai, Chang-Fa Sun, Yong-Zhi Tao
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Publication number: 20100107377Abstract: A clamping device for clamping a portable electronic device is provided. The clamping device includes a mounting board and a clamping mechanism. The clamping mechanism includes two adjusting members, two sliding blocks, and a sliding rail. The adjusting members can adjust the positions of the sliding blocks on the sliding rail. The sliding rail is selectively attached to the mounting board, either horizontally or vertically.Type: ApplicationFiled: January 12, 2010Publication date: May 6, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: LEI LI, PING CHEN, ZHI CHENG, JIAN-GUI WU, HONG-YAN LI, LIN-SEN DONG, YONG-ZHI TAO, CHANG-FA SUN
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Patent number: 7663359Abstract: An exemplary testing mechanism (100) is used for testing for a sufficiency of a casing 90. The testing mechanism includes a framework (20) and a testing module (40). The framework includes a base board (21) and a pillar (26). One end of the pillar is mounted on the base board. The testing module includes a main board (42) and at least one testing pin (44). The main board is slidably mounted on the pillar. A bottom end of the testing pin is slidably mounted to the main board. A top end of the testing pin is positioned adjacent to the base board of the framework. The at least one testing pin is located in a position corresponding to at least one mounting hole of a sufficient casing.Type: GrantFiled: March 6, 2007Date of Patent: February 16, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Lei Li, Ping Chen, Wen-Quan Xu, Zhi Cheng, Chang-Fa Sun, Xue-Liang Zhai, Lin-Sen Dong
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Publication number: 20090292498Abstract: A resistance testing device detects resistances between testing points of an electronic element. The resistance testing device includes controls accepting input of data to the resistance testing device, a relay module, a multimeter, testing probes electrically connected to the relay module, a testing platform including a base and a probe mounting board, a driving assembly mounted on the base and moving the probe mounting board relative to the electronic device, a display, and a central processing assembly mounted within the base. The relay module controls the testing probes and implements the multimeter to detect resistances between the testing points. The base seats the electronic element, the probe mounting board fixes the testing probes, and the probe mounting board is adjustably mounted above the base. The central processing assembly includes a central processing unit. The central processing unit is respectively and electronically connected to the controls, driving assembly, display and the relay module.Type: ApplicationFiled: May 18, 2009Publication date: November 26, 2009Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: LEI LI, LIN-SEN DONG, ZHI-QIANG JIANG, PING CHEN, ZHI CHENG, CHANG-FA SUN, CHUAN-KANG TAN, LIN LI, CHUN-YING WANG
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Publication number: 20090260451Abstract: A fatigue test apparatus for thin workpiece includes a supporting module, a driving mechanism, a first connecting module, a second connecting module, a first holding post, a second holding post and a computer system. The first and second connecting modules are respectively fixed to two sides of the supporting module. Ends of the first holding post and the second holding post are fixed to the first and second connecting modules. The computer system electronically connects with and controls the driving mechanism. The first holding post and the second holding post are drive to rotate by the driving mechanism.Type: ApplicationFiled: April 3, 2009Publication date: October 22, 2009Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: LEI LI, PING CHEN, ZHI-QIANG JIANG, CHUN-YING WANG, XUE-LIANG ZHAI, LI-PING HUANG, ZHI CHENG, CHANG-FA SUN, XIAN-CUI DU
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Publication number: 20090248354Abstract: A device for determining dimensions of a workpiece includes a locating apparatus, a determining apparatus and a main processor. The locating apparatus includes a locating board supporting workpieces and defining at least one detecting aperture therethrough. The determining apparatus includes a detecting module, the detecting module includes at least one laser detector, each laser detector includes a laser emitter and a laser receiver respectively mounted on two opposite sides of the locating board. The main processor is connected to the locating apparatus and the determining apparatus, the laser emitter emits laser beams traveling through the detecting aperture and received by the laser receiver, and the main processor determines the dimension of the workpiece according to the dimension of parts on the laser receiver shielded by the workpiece.Type: ApplicationFiled: March 6, 2009Publication date: October 1, 2009Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Lei Li, Ji-Wen Yang, Yan-Xin Yu, Lin-Sen Dong, Ping Chen, Zhi Cheng, Chang-Fa Sun, Li-Ping Yang, Li Chang
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Patent number: 7428783Abstract: A testing system for testing flatness of a surface of a workpiece includes a testing apparatus (10) and a processor (20). The testing apparatus includes a testing box (12) and a measuring apparatus (14). The testing box includes a plurality of holders (122); the holders define a datum plane. The measuring apparatus comprises a plurality of movable testing poles (142) extending out of the testing box and a plurality of gauges (141) configured for measuring distance of the testing poles retracting into the testing box. Ends (1421) of the testing poles away from the testing box are located at the datum plane and configured for supporting the surface of the workpiece thereon to allow the gauges measuring retracting distance of the testing poles under the pressure of the workpiece. The retracting distance of the testing poles is equal to distances between testing points on the surface of the workpieces and the datum plane.Type: GrantFiled: December 22, 2006Date of Patent: September 30, 2008Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., Sutech Trading LimitedInventors: Lei Li, Zhi Cheng, Ping Chen, Ai-Ge Sun, Xue-Liang Zhai, Chang-Fa Sun
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Publication number: 20080203637Abstract: A clamping device (100) for clamping a portable electronic device is provided. The clamping device includes a mounting board (12) and a clamping mechanism (14). The clamping mechanism includes at least one adjusting member (141), at least one sliding block (145), and a sliding rail (146). The sliding rail is selectively attached to the mounting board, either horizontally or vertically. Each respective sliding block is slidably mounted to the sliding rail. Each adjusting member respectively engages with a corresponding sliding block and is configured to drive the corresponding sliding block to move along the sliding rail.Type: ApplicationFiled: August 17, 2007Publication date: August 28, 2008Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITEDInventors: LEI LI, PING CHEN, ZHI CHENG, JIAN-GUI WU, HONG-YAN LI, LIN-SEN DONG, YONG-ZHI TAO, CHANG-FA SUN
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Publication number: 20080184825Abstract: A key testing apparatus (100) is provided. The key testing apparatus includes a base (11) and an actuator (12). The actuator includes a testing member (17) and a mounting member (18). The mounting member includes at least one base board (181) fixed to the base, a lower board (182), a mounting board (183), and a mounting sheet (185). The lower board is adjustably attached to the base board. The mounting board is adjustably attached to the lower board. The mounting sheet is adjustably attached to the mounting board. The clamping device includes a base desk (131), a clamping platform (132), at least one first clamping board (133) and second clamping board (134). The base desk is adjustably attached to the base. The clamping platform, at least one first clamping board, and at least one second clamping board are adjustably attached to the base desk.Type: ApplicationFiled: November 27, 2007Publication date: August 7, 2008Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITEDInventors: LEI LI, PING CHEN, ZHI CHENG, JIAN-GUI WU, HONG-YAN LI, XUE-LIANG ZHAI, CHANG-FA SUN, YONG-ZHI TAO
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Publication number: 20080173110Abstract: A testing system (100) is used to test a flip-type electronic device (80). The electronic device includes a cover (802) and a main body (801). A hinge (803) connects with the cover and the main body. The testing system includes a base (10), a plummer (20), a flipping device (30) and a control device (40). The plummer is fixed on the base for locking the electronic device. The flipping device is fixed on the base for opening and closing the cover of the electronic device. The control device includes an optical fiber sensor (42) for sensing the movement of the cover of the electronic device. The control device connects with the flipping device so as to control the flipping device.Type: ApplicationFiled: October 1, 2007Publication date: July 24, 2008Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., SUTECH TRADING LIMITEDInventors: LEI LI, PING CHEN, ZHI CHENG, XUE-LIANG ZHAI, MING-FENG LI, CHANG-FA SUN, DONG LI, YONG-ZHI TAO