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).

  • Patent number: 10152138
    Abstract: Provided herein are an input system, a keyboard device and a locking method. The keyboard device includes a key module, a transmission interface and a processing module. The key module includes a plurality of keys. The transmission interface is used for connecting a computer. The processing module is connected to the key module and the transmission interface. The processing module receives a locking signal from the transmission interface and locks at least one key of the key module according to the locking signal making the locked key stop outputting signal to the computer, wherein the locking signal is outputted from a peripheral device connected to the computer. Accordingly, the present invention can achieve the purpose of using a peripheral device to lock and unlock the specific key of the keyboard device.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: December 11, 2018
    Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATION
    Inventors: Yuan-Jung Chang, Cheng-Lun Chang
  • Patent number: 10152950
    Abstract: An electronic device is provided. The electronic device includes an image capturing device, a storage unit, a processing unit and a display device. The image capturing device captures a user image. The storage unit stores display contents. The processing unit identifies facial feature locations of the user image, and determines a vertical skew angle according to the facial feature locations. The processing unit further adjusts the display contents to a deformed image according to the vertical skew angle. The display device displays the deformed image.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: December 11, 2018
    Assignee: WISTRON CORPORATION
    Inventor: Chia-Chang Hou
  • Patent number: 10151662
    Abstract: An apparatus (40) for assessing treatment effectiveness of tooth sensitivity with an oral care product comprising a tooth shaped member (50) comprises an outer layer (60) simulating an enamel, wherein the outer layer (60) at least partially covers an exterior surface of an inner layer (70) simulating a pulp, and a liquid sensor (80) contained either between the outer layer (60) and inner layer (70), or within the inner layer (70); and a plurality of holes (90), simulating open dentin tubules, configured through the outer layer (60) to the inner layer (70), and in fluid communication with the liquid sensor (80); wherein the liquid sensor (80) is configured to sense liquid passing through at least one of the plurality of holes (90) as simulating the treatment effectiveness of tooth sensitivity of the oral care product.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: December 11, 2018
    Assignee: The Procter & Gamble Company
    Inventors: Yunming Shi, Lei Tian, Ross Strand, Donald James White, Jr., Nixon Lao Ocampochua, Jinlan Chang, Yanyan He, Tao He
  • Patent number: 10153273
    Abstract: A semiconductor device is provided that comprises a base structure, a first channel layer overlying the base structure, a second channel layer overlying the first channel layer, and first, second, and third ohmic contacts overlying the second channel layer. The semiconductor device further comprises a metal-semiconductor heterodimension field effect transistor that is formed between the first and second ohmic contacts, the metal-semiconductor heterodimension field effect transistor including a first gate formed through the first and second channel layers. The semiconductor device yet further comprises a high electron mobility transistor formed between the second and third ohmic contacts, the high electron mobility transistor including a second gate formed through the second channel layer without extending through the first channel layer.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: December 11, 2018
    Assignee: NORTHROP GRUMMAN SYSTEMS CORPORATION
    Inventors: Roger S. Tsai, Weidong Liu, Yeong-Chang Chou
  • Patent number: 10152188
    Abstract: Disclosed is a touch window. The touch window includes a cover substrate; a substrate on the cover substrate; and an electrode on the substrate, wherein the substrate includes one surface facing the cover substrate and an opposite surface opposite to the one surface, the electrode is disposed on the opposite surface, and the cover substrate and the substrate have flexible curved surfaces.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: December 11, 2018
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Ji Chang Ryu, Gyu Rin Lee, Soung Kyu Park, Mun Suk Kang, Do Youb Kwon, Seok Pyo Yun, Jin Seok Lee, Chung Wan Lee, Gwang Hei Choi, Jae Hak Her
  • Patent number: 10151945
    Abstract: The invention provides a transparent display device including a lower polarizer, a first substrate, a liquid crystal layer, a second substrate and an upper polarizer sequentially stacked in that order. On a direction parallel to an image display plane of the transparent display device, the transparent display device includes multiple transparent areas and multiple display areas alternately arranged with the transparent areas. In the liquid crystal layer, each transparent area and the display area neighboring therewith have a partition plate disposed therebetween. The partition plate is connected between the first substrate and the second substrate and for separating liquid crystals corresponding to the transparent area and the display area. An initial direction of longitudinal axis of the liquid crystal in the transparent area is perpendicular to an initial direction of longitudinal axis of the liquid crystal in the display area.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: December 11, 2018
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Chang Xie
  • Patent number: 10152574
    Abstract: A signal feature extracting method and apparatus is disclosed. The signal feature extracting apparatus estimates element signals forming an input signal using a signal model to be determined by parameters, and extracts signal features using the estimated element signals. The method of extracting a signal feature including estimating element signals from an input signal, and extracting a signal feature using the estimated element signals, wherein the estimating of the element signals comprises estimating a first element signal of the input signal, and estimating a second element signal based on a waveform of a first intermediate signal, the first intermediate signal being a signal derived from the first element signal eliminated from the input signal.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Soon Park, Ui Kun Kwon, Sang-joon Kim, Seungkeun Yoon, Changmok Choi
  • Patent number: 10152148
    Abstract: A phase compensation method for multi-scan in touch sensing system is provided. The phase compensation method includes the following steps. A plurality of carrier signals are received, and a demodulating operation is preformed on each of the carrier signals to obtain a first component signal and a second component signal of each of the carrier signals. An inverse matrix operation is respectively preformed on the first component signal and the second component signal both demodulated by the demodulating operation. A signal mixing operation is preformed on the first component signal and the second component signal both processed by the inverse matrix operation to obtain raw data of each of the carrier signals. Furthermore, a phase compensation circuit applying afore-said phase compensation method is also provided.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: December 11, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Hung-Cheng Kuo, Tsen-Wei Chang, Chun-Hung Chen
  • Patent number: 10153513
    Abstract: Provided herein is a class of copolymers, including triblock brush copolymers having specific block configurations, for example, ABC triblock brush copolymers and ABA triblock brush copolymers. In an embodiment, for example, copolymers of the invention incorporate various polymer side chain groups which contribute beneficial physical, chemical, or electronic properties such as increased mechanical or elastic strength, improved ionic or electric conductivity. In some embodiments, the provided copolymers exhibit advantageous steric properties allowing for rapid self-assembly into a variety of morphologies that are substantially different than non-brush, block copolymers.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: December 11, 2018
    Assignee: California Institute of Technology
    Inventors: Robert H. Grubbs, Christopher M. Bates, Alice Chang, Brendon McNicholas, Simon C. Jones
  • Patent number: 10149853
    Abstract: Formulations of molindone having superior stability and methods of administering same are provided. The formulations may be immediate, modified, or otherwise delayed release formulations of molindone.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 11, 2018
    Assignee: SUPERNUS PHARMACEUTICALS, INC.
    Inventors: Rong-Kun Chang, Michael L. Vieira, Likan Liang, Padmanabh P. Bhatt, Austin B. Huang, Sachin V. Patel
  • Patent number: 10153799
    Abstract: The disclosure provides a portable terminal including an electronic device and a case disposed thereon that provides water resistant, dust resistant, and insulation for the electronic device by proper positioning of an aperture of the electronic device that uses an area of the case as an antenna. The case includes a body part that comprises a main body with a metallic portion formed of a metallic material, and an auxiliary body disposed adjacent to the metallic portion, and at least a portion of the auxiliary body is used as an antenna for transmission and reception of signals. An insulation member is disposed between the at least a portion of the auxiliary body and the main body, and a bonding layer is disposed in at least one of an area between the insulation member and at least one area of the main body, or between the insulation member and the auxiliary body.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: December 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong Wook Hwang, Jin Ho Lee, Young Soo Jang, Jung Hyeon Hwang, Chang Youn Hwang
  • Patent number: 10153292
    Abstract: A memory device includes a plurality of channel regions that each extend in a direction perpendicular to an upper surface of a substrate, a plurality of gate electrode layers and a plurality of insulating layers stacked on the substrate adjacent the channel regions, each of the gate electrodes extending different lengths, and a plurality of dummy channel regions adjacent first ends of the plurality of gate electrode layers, wherein the substrate includes a substrate insulating layer formed below the plurality of dummy channel regions.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 11, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Won Kim, Seung Hyun Lim, Chang Seok Kang, Young Woo Park, Dae Hoon Bae, Dong Seog Eun, Woo Sung Lee, Jae Duk Lee, Jae Woo Lim, Hanmei Choi
  • Patent number: 10151671
    Abstract: A sampling device and a gas curtain guide are disclosed. In one aspect, the sampling device includes a chamber body. The chamber body includes a sample inlet, located at a first end of the chamber body, configured for suction of a sample. The chamber body further includes a sample outlet, located adjacent to a second end opposite to the first end of the chamber body, configured to discharge the sample. The chamber body further includes a gas inflation inlet, in a wall of the chamber body, configured to introduce a swirl gas flow into the chamber body. The chamber body further includes a gas exhaust opening configured to discharge gas so as to, together with the gas inflation inlet, generate a tornado type gas flow in the chamber body, which moves spirally from the first end to the second end of the chamber body.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: December 11, 2018
    Assignee: Nuctech Company Limited
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Huishao He, Qiufeng Ma, Ziran Zhao, Yinong Liu, Yaohong Liu, Weiping Zhu, Xiang Zou, Jianping Chang
  • Patent number: 10153140
    Abstract: Provided are a method, a guiding sheet, a partial filling jig, and a full filling jig for installing an elastomer ring in the semiconductor processing equipment. The guiding sheet, the partial filling jig, and the full filling jig dispose the elastomer ring in the groove of the semiconductor processing equipment smoothly and evenly. Furthermore, the surface of the elastomer ring may be divided to multiple arcs portions. Each one of the arc portions may be pressed by the partial filling jig or the full filling jig in a particular sequence. When the groove is filled by the elastomer ring accurately and completely, the elastomer ring may block the fluid and the etching gas effectively. The elastomer ring may help the semiconductor processing equipment to work continuously and maintain qualities of the etching wafers.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: December 11, 2018
    Assignee: MFC SEALING TECHNOLOGY CO., LTD.
    Inventors: Yo-Yu Chang, Chun-Yao Huang
  • Patent number: 10153285
    Abstract: A method for forming a semiconductor device is provided. The method includes forming a dielectric layer over a semiconductor substrate and forming a contact plug in the dielectric layer. The method also includes partially removing the contact plug to form a recess over the contact plug. The method further includes forming a capacitor element in the recess.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: December 11, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Geng-Shuoh Chang, Yung-Tsun Liu, Chun-Sheng Wu, Chun-Li Lin, Yi-Fang Li
  • Patent number: 10153355
    Abstract: A semiconductor structure and a method for forming the same are provided. The semiconductor structure comprises a substrate, a fin structure, a metal gate and a first polysilicon strip. The fin structure is on the substrate. The metal gate is over the fin structure and is substantially perpendicular to the fin structure. The first polysilicon strip is at a first edge of the fin structure and is substantially parallel to the metal gate.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: December 11, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Sheng Chiang Hung, Tsung-Che Lu, Chih-Fu Chang
  • Patent number: 10151450
    Abstract: A flexible driving device includes: a first driving unit adapted to maintain a specific shape at room temperature; and a second driving unit adapted to be bent at a preset temperature or higher according to an electric signal supplied from an outside, thereby adjusting at least one of a direction and an angle of an object to be driven, which is coupled to the driving device. It is possible to adjust the direction and angle of the object to be driven, which is coupled to the driving device, install the driving device at different places by changing the shape thereof, change brightness and angle of a light source or a panel to an optimum brightness or direction on the basis of the user's movement and peripheral environment information, and change the brightness and angle of the light source or the panel according to a command received from the outside.
    Type: Grant
    Filed: May 14, 2015
    Date of Patent: December 11, 2018
    Inventor: Chang-soon Hwang
  • Patent number: 10152282
    Abstract: A calibration memory control method of an ECU connected to an external calibration device may include receiving a download command from the external calibration device, checking a sub reference page corresponding to the download command, determining whether a sub working page corresponding to the checked sub reference page is allocated, allocating the sub working page corresponding to the checked sub reference page to a RAM region upon determining that the sub working page is not allocated, and copying data stored in the checked sub reference page to the allocated sub working page. As such, according to the present invention, restrictive memory resources may be efficiently used for calibration.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: December 11, 2018
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Yong Seok Park, Chang Yu Kim
  • Patent number: 10151354
    Abstract: A clutch disc assembly, comprising a friction plate, a damper fixedly secured to the friction plate, comprising an inwardly facing saline and a retainer plate, the retainer plate comprises a first radially inwardly facing surface and a second radially inwardly facing surface radially offset from the first radially inwardly facing surface, and a hub, the hub comprises a first radially outwardly facing surface having a circumferential groove, a second radially outwardly facing surface having an outer saline that meshes with the inwardly facing saline to non-rotatably connect the hub and the damper, and an internal saline surface.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: December 11, 2018
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Daniel PatiƱo Crespo, Raymundo Juan Lien Chang
  • Patent number: 10151585
    Abstract: A non-contact and optical measuring automation system includes a base, a rotating chuck to clamp a disk cam, a moving stage module and an optical measuring module. The moving stage module includes a first linear motion stage movably disposed on the base, a second linear motion stage movably disposed on the first linear motion stage, and a rotary motion stage rotatably disposed on the second linear motion stage. The optical measuring module disposed on the rotary motion stage includes a laser-emitting unit and an image-capturing unit. The laser-emitting unit projects a light beam onto a cam surface of the disk cam, and the image-capturing unit receives scattering light to capture a grayscale measuring image including a profile speckle pattern. A computer calculates a profile speckle characteristic value according to the grayscale measuring image and the surface roughness value according to the profile speckle characteristic value.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: December 11, 2018
    Assignee: National Taiwan Ocean University
    Inventors: Wen-Tung Chang, Chun-Cheng Lu, Hsiang-Lun Kao