Patents by Inventor On Chang
On 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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Publication number: 20180092462Abstract: A slide rail assembly comprises a first rail, a second rail, a third rail and an engaging member. The first rail comprises a releasing feature. The second rail is movable relative to the first rail. The third rail is movable relative to the second rail. The engaging member is pivoted to the second rail. Wherein, the engaging member is configured to engage with the third rail to allow the second rail and the third rail to be synchronously moved relative to the first rail along a first direction, and the releasing feature is configured to disengage the engaging member from the third rail when the second rail is synchronously moved with the third rail relative to the first rail to a predetermined position.Type: ApplicationFiled: March 31, 2017Publication date: April 5, 2018Inventors: Ken-Ching Chen, Shun-Ho Yang, Wei-Chen Chang, Chun-Chiang Wang
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Publication number: 20180093365Abstract: A vacuum device includes a negative pressure pump and a vacuum-switching device. The vacuum-switching device includes a cylinder, a piston and a piston-driving device. The cylinder has a first hole row, which includes a plurality of first vacuum suction holes. The cylinder has two through holes at two opposite ends, wherein either one of the two through holes is connected with a negative pressure pump. The piston is slidably connected within a hollow chamber inside the cylinder. The piston-driving device enables the piston to be slid back and forth so as to define two different-pressured chambers, thereby switching the first vacuum suction holes progressively to a different pressure.Type: ApplicationFiled: November 10, 2016Publication date: April 5, 2018Inventors: Hao-Jhen CHANG, Chia-Chu HUANG, Chih-Chin WEN, Shi-Wei LIN, Cheng-Chang CHIU
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Publication number: 20180097176Abstract: Some embodiments relate to an integrated circuit including a magnetoresistive random-access memory (MRAM) cell. The integrated circuit includes a semiconductor substrate and an interconnect structure disposed over the semiconductor substrate. The interconnect structure includes a plurality of dielectric layers and a plurality of metal layers that are stacked over one another in alternating fashion. The plurality of metal layers include a lower metal layer and an upper metal layer disposed over the lower metal layer. A bottom electrode is disposed over and in electrical contact with the lower metal layer. A magnetic tunneling junction (MTJ) is disposed over an upper surface of bottom electrode. A top electrode is disposed over an upper surface of the MTJ and is in direct electrical contact with a lower surface of the upper metal layer.Type: ApplicationFiled: November 10, 2017Publication date: April 5, 2018Inventors: Harry-Hak-Lay Chuang, Chern-Yow Hsu, Shih-Chang Liu
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Patent number: 9935322Abstract: The disclosure relates to a fuel cell system. The fuel cell system includes a fuel cell module, fuel and oxidizing gas. The fuel cell module includes a container and a membrane electrode assembly located on the container. The container includes a housing and a nozzle connected to the housing. The container defines a number of through holes located on the housing and covered by the membrane electrode assembly. The membrane electrode assembly includes a proton exchange membrane having a first surface and a second surface opposite to the first surface, a cathode electrode located on the first surface and an anode electrode located on the second surface.Type: GrantFiled: December 16, 2015Date of Patent: April 3, 2018Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Li-Na Zhang, Xin-Yu Gao, Qi-Yao Yang, Kai-Li Jiang, Chang-Hong Liu, Shou-Shan Fan
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Patent number: 9933666Abstract: The invention provides a curved liquid crystal panel, including a first substrate, a second substrate disposed opposite to the first substrate, frame adhesive and a plurality of holders, the space includes a central region, marginal regions and interim regions between the central region and the marginal regions, the holders are disposed in the space and between the first substrate and the second substrate, a first bearing layer is disposed on ends towards the first substrate on the holders in the central region, the first bearing layer supports the first substrate by a plane, a second bearing layer is disposed in the interim regions, the second bearing layer supports the first substrate by a supporting plane formed by a plurality of points, a third bearing layer is disposed on ends towards the first substrate on the holders in the marginal regions.Type: GrantFiled: December 25, 2015Date of Patent: April 3, 2018Assignee: Wuhan China Star Optoelectronics Technology Co., LtdInventor: Chang Xie
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Patent number: 9935132Abstract: A pixel structure including scan lines, data lines, and sub-pixels is provided. The scan and data lines are disposed on the substrate. The sub-pixels include switch devices, contact pattern layer, color filter pattern layers, and pixel electrodes. The switch devices are electrically connected to one scan line and one data line respectively. The contact pattern layer and the color filter pattern layer are disposed on the substrate and the switch devices. The contact pattern layer covers part of two adjacent switch devices. At least two color filter pattern layers include a patterned opening respectively, and the contact pattern layer is disposed in the patterned opening. The pixel electrodes are disposed on the color filter pattern layer, the contact pattern layer, and the switch device. At least one pixel electrode is partially disposed between the color filter pattern layer and the corresponding switch device while electrically connected to the switch device.Type: GrantFiled: June 16, 2016Date of Patent: April 3, 2018Assignee: Au Optronics CorporationInventors: Ai-Ju Tsai, Chang-Hung Lee, Ming-Hsien Lee, Chen-Kang Li
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Patent number: 9931996Abstract: In certain embodiments, a mobile entertainment system includes a screen assembly with a display and a signal generating device. A housing pivotally coupled to the screen assembly can have a lower portion, an upper portion, and a housing cavity sized and shaped to receive the screen assembly. The upper portion can receive at least a portion of the signal generating device. At least a portion of the screen assembly can rotate through an opening in the lower portion. A shell can receive the housing.Type: GrantFiled: March 5, 2015Date of Patent: April 3, 2018Assignee: Johnson Safety, Inc.Inventor: Chung Lung Chang
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Patent number: 9935647Abstract: A broadband digital beam forming system comprises a set of Q pre-processing modules, Q being an integer greater than or equal to 2, and a set of M digital beam forming modules in communication with the Q preprocessing modules. Each of the Q preprocessing modules receives a respective one of Q broadband input signal streams and outputs M narrowband signal streams, M being an integer greater than or equal to 2. The total number of narrowband signal streams outputted by the Q pre-processing modules is Q times M. Each of the M digital beam forming modules receives corresponding Q narrowband signal streams of the Q times M narrowband signal streams, and outputs R beam signals, R being an integer greater than or equal to 1. The system further comprises a set of R post-processing modules in communication with the M digital beam forming modules.Type: GrantFiled: November 13, 2016Date of Patent: April 3, 2018Assignee: Spatial Digital Systems, Inc.Inventor: Donald C. D. Chang
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Patent number: 9935119Abstract: The present disclosure relates to a flash memory cell. In some embodiments, the flash memory cell has a control gate arranged over a substrate, and a select gate separated from the substrate by a gate dielectric layer. A charge trapping layer has a first portion disposed between the select gate and the control gate, and a second portion arranged under the control gate. A first control gate spacer is arranged on the second portion of the charge trapping layer. A second control gate spacer is arranged on the second portion of the charge trapping layer and is separated from the control gate by the first control gate spacer.Type: GrantFiled: September 27, 2016Date of Patent: April 3, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Yuan-Tai Tseng, Chang-Ming Wu, Shih-Chang Liu
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Patent number: 9935361Abstract: A mirrored antenna system for beam steering in an information handling system is disclosed. The mirrored antenna system includes a first antenna and a second antenna configured to operate alternatively as a radiator and as a reflector. The first and the second antenna are arranged in mirror symmetry to one another and separated by a dielectric medium. The mirrored antenna system further includes a switch coupled to the first antenna and the second antenna configured to switch the feed in response to a trigger.Type: GrantFiled: February 12, 2016Date of Patent: April 3, 2018Assignee: Dell Products L.P.Inventors: Ching-Wei Chang, I-Yu Chen
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Patent number: 9934560Abstract: Methods and systems for modifying an image by applying an effect to an image are described. The effects include a pop effect, a light adjustment, or a color adjustment to an image. The methods and systems include providing a user slider for applying an effect to the image. The methods and systems further include determining a first portion of the image including a face and creating a protection mask to protect the face in the first portion during image modification. The protection mask may include an enhancement threshold for modifying the first portion of the image. The modification of the image may include modifying the second portion of the image differently than the first portion of the image. A method for enforcing different resolutions of a same input image to produce similar visual results is also described.Type: GrantFiled: March 27, 2016Date of Patent: April 3, 2018Assignee: Google LLCInventors: Daniel Pettigrew, Jason Chang, Ronald Frank Wotzlaw, Sevket Derin Babacan, Aravind Krishnaswamy
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Patent number: 9935694Abstract: Technology for reducing user plane congestion is disclosed. An inquiry request message can be received at a mobility management entity (MME) from a congestion information collection function (CICF). The inquiry request message can request an international mobile subscriber identity (IMSI) and a packet data network (PDN) connection identifier (ID) associated with user equipments (UEs) that are impacted by radio access network (RAN) user plane congestion. The IMSI and the PDN connection ID that are associated with the UEs can be identified based in part on the inquiry request message. An inquiry response message that includes the IMSI and the PDN connection ID can be sent to the CICF to enable the CICF to discover an assigned policy and charging rules function (PCRF) for the UEs that are impacted by the RAN user plane congestion, wherein the PCRF is configured to implement network policies to reduce the RAN user plane congestion.Type: GrantFiled: May 22, 2014Date of Patent: April 3, 2018Assignee: Intel IP CorporationInventor: Chang Hong Shan
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Patent number: 9934727Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a lower substrate including a display area and a non-display area surrounding the display area, wherein a plurality of pixels are formed in the display area. The OLED display also includes an embedded circuit formed in the configured to apply a plurality of signals to the pixels, and an initialization wiring formed in the non-display area and configured to apply an initialization voltage to each of the pixels. The initialization circuit is formed in a layer so as to at least partially overlap with the area of the embedded circuit.Type: GrantFiled: February 7, 2017Date of Patent: April 3, 2018Assignee: Samsung Display Co., Ltd.Inventor: Chang-Soo Pyon
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Patent number: 9935099Abstract: The present invention provides a semiconductor device including a semiconductor substrate, a first well, a second well, a gate electrode, an oxide semiconductor structure and a diode. The first well is disposed in the semiconductor substrate and has a first conductive type, and the second well is also disposed in the semiconductor substrate, adjacent to the first well, and has a second conductive type. The gate electrode is disposed on the first well. The oxide semiconductor structure is disposed on the semiconductor substrate and electrically connected to the second well. The diode is disposed between the first well and the second well.Type: GrantFiled: December 2, 2015Date of Patent: April 3, 2018Assignee: UNITED MICROELECTRONICS CORP.Inventors: Zhibiao Zhou, Chen-Bin Lin, Su Xing, Chi-Chang Shuai, Chung-Yuan Lee
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Patent number: 9934732Abstract: A display method and a display device are disclosed herein. The display method includes the following steps: analyzing an input image to obtain a plurality of first backlight control signals and a plurality of first liquid crystal control signals; generating image edge information associated with the input image; generating, according to the image edge information, at least one second backlight control signal and at least one target liquid crystal control signal that are associated with the image edge information; and displaying, according to the at least one second backlight control signal and the at least one target liquid crystal control signal, at least one multi-color sub-frame.Type: GrantFiled: September 23, 2016Date of Patent: April 3, 2018Assignee: AU OPTRONICS CORPORATIONInventors: Fang-Cheng Lin, Kai-Tung Teng, Chi-Wen Chang, Yi-Pai Huang, Han-Ping D. Shieh
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Patent number: 9932372Abstract: Porcine circovirus (PCV2) vaccine compositions comprising a peptide antigen derived from a PCV2 capsid protein are described. In various embodiments, the peptide antigen contains amino acids of the capsid protein from about amino acid 47 to about amino acid 202. In some embodiments, the peptide antigen is optionally linked to an artificial T helper epitope and/or mixed with T helper epitopes derived from the ORF1 and ORF3 proteins of PCV2. Methods of using PCV2 vaccine compositions are also described. In various embodiments, a vaccine composition is used in animals for the prevention of PCV2 infection. In other embodiments, a PCV2 vaccine composition is used as an antigen for diagnosing PCV2 infection.Type: GrantFiled: July 8, 2010Date of Patent: April 3, 2018Assignee: UNITED BIOMEDICAL, INC.Inventors: Chang Yi Wang, Wen-Jiun Peng
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Patent number: 9933945Abstract: Techniques for shrinking a filesystem backed by a volume identify slices in the volume to be evacuated in order to reach a target size, identify a target endpoint in the volume, and evacuate identified slices to available locations prior to the target endpoint. The same data is typically not moved from slice to slice multiple times.Type: GrantFiled: September 30, 2016Date of Patent: April 3, 2018Assignee: EMC IP Holding Company LLCInventors: Qi Mao, Jean-Pierre Bono, Ahsan Rashid, Xianlong Liu, Chang Yong Yu, Ruiling Dou, Alexander Mathews, Henry Fang, Gyanesh Kumar Choudhary
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Patent number: 9933599Abstract: The invention discloses a five-piece optical lens for capturing image. In order from an object side to an image side, the optical lens along the optical axis comprises a first lens which can have positive refractive power, and an object-side surface thereof can be convex; a second lens with refractive power; a third lens with refractive power; a fourth lens with refractive power, wherein both surfaces of each of the aforementioned lenses can be aspheric; and a fifth lens which can have negative refractive power, wherein an image-side surface thereof can be concave, and both surfaces thereof are aspheric; at least one surface of the fifth lens has an inflection point thereon. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.Type: GrantFiled: October 9, 2015Date of Patent: April 3, 2018Assignee: Ability Opto-Electronics Technology Co., Ltd.Inventors: Nai-Yuan Tang, Yeong-Ming Chang
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Patent number: 9934210Abstract: Optimizing update instructions in hierarchically structured documents is provided. A pending update list including a first plurality of items is received. Each item of the first plurality of items describes an update to a hierarchically structured document. Each of one or more items of the first plurality of items is added to a subsumed update list having a second plurality of items. The subsumed update list is ordered based, at least in part, on a document order and on a target node of each of the second plurality of items. Subsume logic is applied to each of the one or more items based, at least in part, on the second plurality of items. Responsive to determining that subsume logic has been applied to each item of the first plurality of items, each of the second plurality of items of the subsumed update list is executed.Type: GrantFiled: January 23, 2017Date of Patent: April 3, 2018Assignee: International Business Machines CorporationInventors: Mengchu Cai, Rong-Hoang Chang, Li Chen, Yu Chen, Yonghua Ding, Eric N. Katayama, Kwai Hing Man
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Patent number: 9934928Abstract: Provided herein are approaches for improving ion beam extraction stability and ion beam current for an ion extraction system. In one approach, a source housing assembly may include a source housing surrounding an ion source including an arc chamber, the source housing having an extraction aperture plate mounted at a proximal end thereof. The source housing assembly further includes a vacuum liner disposed within an interior of the source housing to form a barrier around a set of vacuum pumping apertures. As configured, openings in the source housing assembly, other than an opening in the extraction aperture plate, are enclosed by the extraction aperture plate and the vacuum liner, thus ensuring appendix arcs or extraneous ions produced outside the arc chamber remain within the source housing. Just those ions produced within the arc chamber exit the source housing through the opening of the extraction aperture plate.Type: GrantFiled: May 15, 2015Date of Patent: April 3, 2018Assignee: Varian Semiconductor Equipment Associates, Inc.Inventors: Shengwu Chang, Jeff Burgess, William Leavitt, Michael St Peter, Matt Mosher, Joe Olson, Frank Sinclair