Patents by Inventor Chao Duan
Chao Duan 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: 20110268943Abstract: A substrate coating and a method of forming the same are provided. The substrate coating includes a first layer formed on a substrate, in which the composition of the first layer includes at least silicon-rich-carbon, and the amount of silicon is about equal to or greater than the amount of carbon; and a second layer formed on the first layer, in which the composition of the second layer includes at least fluorine doped diamond-like-carbon. The substrate coating not only is easy to clean, has good wearing performance, and provides a smooth surface, but also has better adhesion to prevent peeling off.Type: ApplicationFiled: March 11, 2011Publication date: November 3, 2011Applicant: WINSKY TECHNOLOGY LIMITEDInventors: Kit Ling NG, Xin Chao DUAN, Po Ching CHAN, Winston CHAN
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Publication number: 20110266018Abstract: A grounding mechanism is used for a slide-type electronic device including a first housing and a second housing. The grounding mechanism includes a grounding tab for attachment to the first housing and an opening defined in the second housing. Two sidewalls are formed in the opening, and a conductive layer is coated on each sidewall. When the grounding tab is received in the opening, the grounding tab abuts against the conductive layer of the sidewalls for electronically connecting the first housing to the second housing.Type: ApplicationFiled: July 28, 2010Publication date: November 3, 2011Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.Inventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20110254417Abstract: A hinge assembly includes a shaft, a cam, a follower, and a resilient member. The follower is disposed on the shaft, one end of the follower having a first cam surface, the first cam surface forming a first sub-cam portion. The cam is positioned on the shaft and adjacent to the follower, the cam having a second cam surface, the second cam surface engaging with the first cam surface. The second cam surface forms a second sub-cam portion, and the first sub-cam portion engages with the second sub-cam portion. The resilient member is placed around the shaft forcing the first cam surface against the second cam surface. After the first sub-cam portion slides and rotates relative to the second sub-cam portion, the first cam surface slides and rotates relative to the second cam surface.Type: ApplicationFiled: September 24, 2010Publication date: October 20, 2011Applicants: FIH (HONG KONG) LIMITED, SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.Inventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20110239404Abstract: A hinge assembly includes a shaft, a follower, a cam, a resilient member and a sleeve. The follower includes a cam surface. The follower is placed around the shaft. The cam has a latching cam surface, the cam surface being engaged with the cam latching surface, the cam placed around the shaft. The resilient member is placed around the shaft and provides an elastic force to make the cam surface abut against the latching cam surface. The sleeve includes a plurality of side portions. Each side portion includes a flattened portion and an arcuate portion arching outside between the flattened portion. The arcuate portion defines an outline of a circle having a larger cross-section than would be allowed only by the flattened portions, and the resilient member is received in the arcuate portions.Type: ApplicationFiled: August 31, 2010Publication date: October 6, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20110164358Abstract: An exemplary support mechanism for a portable electronic device includes a seat, a button, a support member, and a hinge assembly. The seat defines a cavity. The button is received in the cavity. The support member includes a knuckle portion. The knuckle portion is received in the cavity. The button abuts against the support member. The hinge assembly connects the knuckle portion to the seat. When the button is pressed to force the hinge assembly to unlock, the hinge assembly drives the support member to rotate.Type: ApplicationFiled: August 18, 2010Publication date: July 7, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20110157787Abstract: A hinge assembly includes a shaft, a seat made of plastic, a follower, a cam, a latching member and a resilient member. The follower includes a cam surface. The seat is fixed to the follower, and the seat and the follower are placed around the shaft. The cam has a latching cam surface, the cam surface being engaged with the cam latching surface. The latching member is fixed to the cam, and the cam and the latching member are placed around the shaft. The resilient member is placed around the shaft and provides an elastic force to make the cam surface abut against the latching cam surface.Type: ApplicationFiled: August 31, 2010Publication date: June 30, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Chao DUAN, Zhi-Yu HU, Chia-Hua CHEN
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Publication number: 20110109212Abstract: A sliding mechanism comprises a sliding plate, a main plate, a sliding enabling member, a biasing member and a stopping member. The sliding plate has sidewalls and the main plate has peripheral walls corresponding to the sidewalls, respectively. The slide enabling member is coupling the sidewalls to the peripheral walls such that the sliding plate is slid relative to the main plate between closed and open position. The biasing member provides a force for biasing the sliding plate to slide relative to the main body. The stopping member is coupled between the sliding plate and the main plate. When the sliding plate is slid from the open position to the closed position, the stopping member provides a mechanism for the sliding plate to steadily slide relative to the main plate and to firmly stop in the closed position.Type: ApplicationFiled: May 13, 2010Publication date: May 12, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Chao Duan, Fan-Zhe Ding, Chia-Hua Chen
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Publication number: 20110096475Abstract: A slide mechanism includes a first plate defining two first guiding slots, a second plate defining two second guiding slots, and two connecting bodies. Each connecting body passes through the first guiding slot and the corresponding second guiding slot to connect the first plate and the second plate, and the connecting body is slidable relative to the first guiding slot and the second guiding slot. The invention also discloses a portable electronic device applying the slide mechanism.Type: ApplicationFiled: April 21, 2010Publication date: April 28, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, JIAN-WEI LI, CHIA-HUA CHEN
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Publication number: 20110096479Abstract: A portable electronic device is disclosed including a first part, a second part, and a sliding and tilting mechanism. The sliding and tilting mechanism includes a lower board fixed to the second part, an upper board fixed to the first part, an intermediate board positioned between the lower board and the upper board. The sliding and tilting mechanism further includes two elastic assemblies and a tilting assembly, and tilts the intermediate board and the upper board relative to the lower board after the upper board slides over a predetermined distance along the intermediate board.Type: ApplicationFiled: June 21, 2010Publication date: April 28, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: KE-LONG WU, CHAO DUAN, CHIA-HUA CHEN
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Patent number: 7926146Abstract: A hinge assembly (100) includes a sleeve (20), a main shaft (10), a follower (30) and an elastic member (40). The sleeve integrally forms an engaging portion (26). The main shaft passes through the sleeve. The follower has a cam surface (322), and is slidably placed around the main shaft and is received in the sleeve. The cam surface engages with the engaging portion. The elastic member provides an elastic force to bias the cam surface against the engaging portion.Type: GrantFiled: August 20, 2008Date of Patent: April 19, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Chao Duan, Chia-Hua Chen
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Publication number: 20110075333Abstract: A portable electronic device is disclosed including a first part, a second part, and a sliding and tilting mechanism. The sliding and tilting mechanism includes a lower board fixed to the second part, an upper board fixed to the first part, an intermediate board positioned between the lower board and the upper board. The sliding and tilting mechanism further includes two elastic assemblies, a swinging member, and a cam member, all of which engage with each other to tilt the intermediate board and the upper board relative to the lower board after the upper board slides over a predetermined distance along the intermediate board.Type: ApplicationFiled: June 21, 2010Publication date: March 31, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, KE-LONG WU, CHIA-HUA CHEN
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Patent number: 7913356Abstract: A hinge assembly (10) includes a shaft (12) and a follower (16), wherein one of the shaft and the follower defines a thread (122), the other of the shaft and the follower includes at least one resisting portion (166). The thread is separately formed from one of the shaft and the follower with the thread and the shaft and the follower slide and rotate relative to each other. Since the thread is separately formed therewith, the thread may be formed by injection mold. This manufacture method is easy. In addition, the thread may be made of wear resistant material. The thread is not easy to be abraded, thereby the work being stable.Type: GrantFiled: June 18, 2008Date of Patent: March 29, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Chao Duan, Chia-Hua Chen
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Patent number: 7913359Abstract: A hinge assembly (100) includes a shaft (13), a cam (14), a follower (15), a first spring (12), a control member (17), a second spring (16), and a fixing seat (18). The shaft defines a thread (1311). The cam has a cam surface (146), a cam hole (141) and an inner circumferential surface. The inner circumferential surface includes a protrusion (142) configured engaged the thread of the shaft. The control member has at least one reverse slot (173). The circumferential surface includes at least one block (184). The at least one block is received in the at least one reverse slot of the control member so as to lock the control member into the fixing seat. The hinge assembly allows for the automatic opening and closing of the device to which the hinge assembly is incorporated.Type: GrantFiled: June 5, 2008Date of Patent: March 29, 2011Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Chao Duan, Chia-Hua Chen
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Publication number: 20110067203Abstract: A hinge assembly includes a shaft, a cam, a follower, and an resilient member. The follower is mounted on the shaft. One end of the follower has a first cam surface. The first cam surface defines a groove. The cam is mounted on the shaft and adjacent to the follower. The cam has a second cam surface, and the second cam surface engages with the first cam surface. The second cam surface forms a protrusion, and the protrusion is received in the groove. The resilient member is placed around the shaft forcing the first cam surface to engage with the second cam surface.Type: ApplicationFiled: November 2, 2009Publication date: March 24, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (Hong Kong) LimitedInventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20100205778Abstract: A washer is for a hinge assembly. The hinge assembly includes a shaft. The washer is placed around the shaft. The engagement between the washer and the shaft is a clearance fit. By the clearance engagement between the washer and the main shaft, the mechanism efficiency is greatly improved.Type: ApplicationFiled: August 26, 2009Publication date: August 19, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN, ZHI-YU HU
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Publication number: 20100180401Abstract: A hinge assembly includes a pivot shaft, a rotary element, an elastic element, a cam and a hinge housing. The rotary element is slidable and rotatable relative to the pivot shaft. The elastic element is placed around the pivot shaft. The cam is engaged with the rotary element by the elastic element. The cam is fixed with the shaft. The hinge housing has an open end and a partially-closed end. The receiving portion is formed adjacent to the open end. The receiving portion is radially expandable. The pivot shaft passes through the hinge housing from the partially-closed end. The elastic element is received in the hinge housing, and is placed around the shaft. The cam is received in the receiving portion.Type: ApplicationFiled: August 27, 2009Publication date: July 22, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20100162526Abstract: A hinge assembly includes a shaft, a main body drive member, a follower, and a resilient member. The main body drive member, the follower, and the resilient member are mounted with the shaft in turn. One end of the main body drive member has a cam. One end of the follower has a cam engaging with the cam of the main body drive member. The resilient member causes the cam of the follower to resist the cam of the main body drive member due to the decompression of the resilient member, and when the follower is manually rotated relative to the main body drive member about an angle, the follower is automatically rotated relative to the main body drive member due to the decompression of the resilient member.Type: ApplicationFiled: June 29, 2009Publication date: July 1, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN
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Patent number: 7725987Abstract: A hinge assembly includes a shaft (12), a follower (16), a cam (18), and an urging means. The shaft has a screw portion (122) defined thereon. The follower has a first cam surface (164) formed on one end surface thereof. The cam has a second cam surface (184) formed on one end surface opposite to the follower. The cam has a screw hole (182) defined therethrough. The screw hole engages with the screw portion of the shaft. The urging means is configured for providing an urging force which moves the follower along the shaft and makes the first cam surface rotatably engage with the second cam surface of the cam.Type: GrantFiled: March 28, 2006Date of Patent: June 1, 2010Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Chao Duan, Chia-Hua Chen
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Publication number: 20100107366Abstract: A hinge assembly includes a shaft, a cam, a follower, and an resilient member. The cam, the follower, and the resilient member are mounted with the shaft in turn. One end of the cam has a first outer cam portion and a first inner cam portion. One end of the follower has a second outer cam portion and a second inner cam portion respectively engaging with the first outer and inner cam portions. The resilient member is contained in such a manner that the cam portions of the follower resist the cam portions of the cam due to the decompression of the resilient member, and when the follower is manually rotated relative to the cam about a small original angle, the follower is automatically rotated relative to the cam due to the decompression of the resilient member.Type: ApplicationFiled: June 15, 2009Publication date: May 6, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: CHAO DUAN, CHIA-HUA CHEN
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Publication number: 20100071158Abstract: A hinge assembly includes a shaft, a follower and an elastic element. The shaft forms a projection. The follower defines a through hole and forming an inner peripheral wall surrounding the through hole. A threaded portion is formed on the inner peripheral wall, and the projection engages with the threaded portion of the follower. The elastic element provides an axial force to push the follower rotatable about and simultaneously longitudinally movable along the shaft.Type: ApplicationFiled: December 3, 2009Publication date: March 25, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Chia-Hua CHEN, Chao DUAN