Patents by Inventor Yu Chung Lee
Yu Chung Lee 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: 10892699Abstract: An inverse-movement-type voice coil actuating apparatus includes a case structure, a stationary lens module, and a movable image sensing and focusing assembly. The case structure has a case. The lens module is assembled in the case to define an optical axis. The image sensing and focusing assembly is received in the case and moves back and forth along the optical axis with respect to the lens module to focus. Thus, the path of the back-and-forth movement of the image sensing and focusing assembly can be ensured to remain consistent with the optical axis and the lens can be pre-screwed without dropping the dust during the assembly process to further increase the production yield.Type: GrantFiled: October 12, 2017Date of Patent: January 12, 2021Assignee: VIEWPOINT ELECTRONICS CO., LTD.Inventors: Masafumi Mizukami, Chih-Chien Hsu, Yu-Chung Lee
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Publication number: 20190115860Abstract: An inverse-movement-type voice coil actuating apparatus includes a case structure, a stationary lens module, and a movable image sensing and focusing assembly. The case structure has a case. The lens module is assembled in the case to define an optical axis. The image sensing and focusing assembly is received in the case and moves back and forth along the optical axis with respect to the lens module to focus. Thus, the path of the back-and-forth movement of the image sensing and focusing assembly can be ensured to remain consistent with the optical axis and the lens can be pre-screwed without dropping the dust during the assembly process to further increase the production yield.Type: ApplicationFiled: October 12, 2017Publication date: April 18, 2019Inventors: Masafumi MIZUKAMI, Chih-Chien HSU, Yu-Chung LEE
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Patent number: 8976192Abstract: A contrast control device is provided. The device of the invention includes a detecting unit, a judging unit, a backlight control unit, a gain generating unit and a contrast gain processing unit. The detecting unit calculates an average value and detects a maximum value of a current image. The judging unit generates a gain index and a brightness index according to the average value. The backlight control unit generates a backlight control signal according to the brightness index. The gain generating unit generates a first contrast gain value and a soft-clamping gain value according to the gain index, the average value and the maximum value and then selects one from the first contrast gain value and the soft-clamping gain value for output as a second contrast gain value according to an input pixel value of the current image. The contrast gain processing unit generates an output pixel value according to the second contrast gain value and the input pixel value.Type: GrantFiled: July 7, 2011Date of Patent: March 10, 2015Assignee: Realtek Semiconductor Corp.Inventors: Pei-Chen Huang, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
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Patent number: 8890901Abstract: A color management circuit and a related color management method are provided. The color management circuit is disposed in a display device which has a panel provided with a panel conversion characteristic. The color management circuit includes: a first nonlinear conversion circuit, a color matrix conversion circuit and a second nonlinear conversion circuit. The first nonlinear conversion circuit is utilized for performing a first nonlinear conversion upon a color data to generate a first conversion data. The color matrix conversion circuit is utilized for performing a liner matrix calculation upon the first conversion data to generate a matrix calculation data. The second nonlinear conversion circuit is utilized for performing a second nonlinear conversion upon the matrix calculation data to generate a second conversion data to the panel, wherein a combined conversion characteristic of the second conversion characteristic with the panel conversion characteristic is substantially linear.Type: GrantFiled: September 3, 2010Date of Patent: November 18, 2014Assignee: Realtek Semiconductor Corp.Inventors: Yu-Chung Lee, Pei-Chen Huang
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Patent number: 8817188Abstract: Systems and methods for automatic adjustment of text in a video are described. At least one embodiment includes a system for automatic adjustment of text in a video on a display comprising a ratio detector configured to detect an original aspect ratio of the video, an edge locator configured to identify edges of the video based on the original aspect ratio detected, wherein regions between the edges of the video and edges of the display define unused regions, a size assessment module configured to determine size of the text, wherein the size assessment module determines the size of the text by examining at least one of light portions within the text and a bounding rectangle which surrounds the text. The system further comprises a text adjuster configured to move the text to the unused region above or below the video, wherein the text adjuster further aligns the text to at least one of the edges of the video and the edges of the display device.Type: GrantFiled: July 24, 2007Date of Patent: August 26, 2014Assignee: Cyberlink CorpInventors: Chen-Yan Yang, Yu Chung Lee
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Patent number: 8775970Abstract: In one embodiment, a button mapping method comprising comparing an image difference between images before and after a keyboard event, the images including a first and second version of buttons in a menu, respectively; constructing by the processor a button map based on the comparison, the button map comprising button information for at least two buttons in the menu; receiving one or more selection signals corresponding to one or more non-keyboard events; and translating the one or more selection signals into one or more keyboard events based on the button map, wherein the button in the menu is selected based on the translation.Type: GrantFiled: July 27, 2011Date of Patent: July 8, 2014Assignee: Cyberlink Corp.Inventors: Shan-Chun Pan, Yu Chung Lee
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Patent number: 8670519Abstract: A nuclear fuel assembly having a plurality of multi-leaf hold down spring sets extending from a top nozzle. Each spring set consists of a multiple number of springs leafs in order to provide a large working range of spring deflection. Each spring leaf has a straight, flat base section followed by a straight, flat tapered beam with a secondary spring set having a curvature at its peripheral end.Type: GrantFiled: October 11, 2010Date of Patent: March 11, 2014Assignee: Westinghouse Electric Company LLCInventors: Joonhyung Choi, Yu Chung Lee
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Patent number: 8648885Abstract: A method for creating a Gamma look-up table (LUT) includes: calculating interpolated display characteristics of a plurality of colors by using a nonlinear interpolation algorithm based on a plurality of display characteristics of the predetermined patterns wherein the number of the display characteristics is smaller than the product of the number of the colors and the number of the interpolated display characteristics of the colors; and correcting the interpolated display characteristics of the colors on the basis of a maximum display characteristic value and a reference gamma value so that the Gamma look-up table is created. The predetermined patterns comprise a plurality of gray level patterns which one-by-one correspond to a plurality of levels, and the interval of a pair of adjacent gray level patterns among the gray level patterns is different from the interval of another pair of adjacent gray level patterns among the gray level patterns.Type: GrantFiled: February 11, 2010Date of Patent: February 11, 2014Assignee: Realtek Semiconductor Corp.Inventors: Yu-Chung Lee, Cheng-Chuan Tsai, Pei-Chen Huang
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Publication number: 20130031510Abstract: In one embodiment, a button mapping method comprising comparing an image difference between images before and after a keyboard event, the images including a first and second version of buttons in a menu, respectively; constructing by the processor a button map based on the comparison, the button map comprising button information for at least two buttons in the menu; receiving one or more selection signals corresponding to one or more non-keyboard events; and translating the one or more selection signals into one or more keyboard events based on the button map, wherein the button in the menu is selected based on the translation.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: CYBERLINK CORP.Inventors: Shan-Chun Pan, Yu Chung Lee
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Publication number: 20120250814Abstract: A spacer grid for a nuclear fuel assembly that exhibits increased crush strength. Each grid strap at the ligaments that support fuel rods has a spring or dimple to support the fuel rods under anticipated external loads during shipping and handling or in a seismic event. One or more elongated embossed ribs are provided on each of the fuel rod grid strap support ligaments to increase its moment of inertia by forming various shapes on the ligaments of the grid strap. Preferably, the ribs have a streamlined shape to prevent any excessive pressure drop. In this manner, the crush strength of a conventional short grid strap is increased without meaningful additional manufacturing costs or adverse effects to the neutron economy of the grid.Type: ApplicationFiled: March 29, 2011Publication date: October 4, 2012Applicant: Westinghouse Electric Company LLCInventors: Joonhyung Choi, Yu Chung Lee
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Publication number: 20120087458Abstract: A nuclear fuel assembly having a plurality of multi-leaf hold down spring sets extending from a top nozzle. Each spring set consists of a multiple number of springs leafs in order to provide a large working range of spring deflection. Each spring leaf has a straight, flat base section followed by a straight, flat tapered beam with a secondary spring set having a curvature at its peripheral end.Type: ApplicationFiled: October 11, 2010Publication date: April 12, 2012Applicant: WESTINGHOUSE ELECTRIC COMPANY LLCInventors: Joonhyung Choi, Yu Chung Lee
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Publication number: 20120007880Abstract: A contrast control device is provided. The device of the invention includes a detecting unit, a judging unit, a backlight control unit, a gain generating unit and a contrast gain processing unit. The detecting unit calculates an average value and detects a maximum value of a current image. The judging unit generates a gain index and a brightness index according to the average value. The backlight control unit generates a backlight control signal according to the brightness index. The gain generating unit generates a first contrast gain value and a soft-clamping gain value according to the gain index, the average value and the maximum value and then selects one from the first contrast gain value and the soft-clamping gain value for output as a second contrast gain value according to an input pixel value of the current image. The contrast gain processing unit generates an output pixel value according to the second contrast gain value and the input pixel value.Type: ApplicationFiled: July 7, 2011Publication date: January 12, 2012Inventors: Pei-Chen HUANG, Yu-Chung Lee, Shih-Yu Hsu, Po-Yang Wu
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Patent number: 7995701Abstract: A plate mounted fuel assembly hold-down system that provides a defined channel for both the insertion and removal of reactor head mounted, fixed in-core detector instrumentation, provides a guided path for the fixed in-core detector during insertion, and shields the instrument shroud against coolant cross flow. The hold-down assembly includes a base plate that seats on the adapter plate of the fuel assembly and has openings that align with the control rod guide thimbles. A hollow sleeve extends through and below a central opening in the base plate to mate with the fuel assembly instrument thimble. The sleeve extends above the base plate and through and above an upper core plate of the reactor. A hold-down bar is slidably mounted on the sleeve and is restrained below the top of the sleeve. A spring is positioned around the sleeve and is captured between the hold-down bar and the base plate.Type: GrantFiled: May 21, 2008Date of Patent: August 9, 2011Assignee: Westinghouse Electric Company LLCInventors: Jin Liu, Yu Chung Lee
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Publication number: 20110057963Abstract: A color management circuit and a related color management method are provided. The color management circuit is disposed in a display device which has a panel provided with a panel conversion characteristic. The color management circuit includes: a first nonlinear conversion circuit, a color matrix conversion circuit and a second nonlinear conversion circuit. The first nonlinear conversion circuit is utilized for performing a first nonlinear conversion upon a color data to generate a first conversion data. The color matrix conversion circuit is utilized for performing a liner matrix calculation upon the first conversion data to generate a matrix calculation data. The second nonlinear conversion circuit is utilized for performing a second nonlinear conversion upon the matrix calculation data to generate a second conversion data to the panel, wherein a combined conversion characteristic of the second conversion characteristic with the panel conversion characteristic is substantially linear.Type: ApplicationFiled: September 3, 2010Publication date: March 10, 2011Inventors: Yu-Chung Lee, Pei-Chen Huang
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Patent number: 7889829Abstract: An integral multilevel debris-catching system for a nuclear reactor fuel assembly having a lower protective grid incorporating laterally offset debris-catching arches at several elevations, extended solid fuel rod bottom end plugs and a bottom debris-filtering nozzle. Dimples and opposing opposite springs and the debris-trapping arches, which are spaced from the end plugs, are all located at elevations below the fuel cladding.Type: GrantFiled: September 2, 2004Date of Patent: February 15, 2011Assignee: Westinghouse Electric Company LLCInventors: Yu Chung Lee, James Alan Sparrow
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Publication number: 20100225663Abstract: A method for creating a Gamma look-up table (LUT) includes: calculating interpolated display characteristics of a plurality of colors by using a nonlinear interpolation algorithm based on a plurality of display characteristics of the predetermined patterns wherein the number of the display characteristics is smaller than the product of the number of the colors and the number of the interpolated display characteristics of the colors; and correcting the interpolated display characteristics of the colors on the basis of a maximum display characteristic value and a reference gamma value so that the Gamma look-up table is created. The predetermined patterns comprise a plurality of gray level patterns which one-by-one correspond to a plurality of levels, and the interval of a pair of adjacent gray level patterns among the gray level patterns is different from the interval of another pair of adjacent gray level patterns among the gray level patterns.Type: ApplicationFiled: February 11, 2010Publication date: September 9, 2010Inventors: Yu-Chung LEE, Cheng-Chuan Tsai, Pei-Chen Huang
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Publication number: 20090323887Abstract: A plate mounted fuel assembly hold-down system that provides a defined channel for both the insertion and removal of reactor head mounted, fixed in-core detector instrumentation, provides a guided path for the fixed in-core detector during insertion, and shields the instrument shroud against coolant cross flow. The hold-down assembly includes a base plate that seats on the adapter plate of the fuel assembly and has openings that align with the control rod guide thimbles. A hollow sleeve extends through and below a central opening in the base plate to mate with the fuel assembly instrument thimble. The sleeve extends above the base plate and through and above an upper core plate of the reactor. A hold-down bar is slidably mounted on the sleeve and is restrained below the top of the sleeve. A spring is positioned around the sleeve and is captured between the hold-down bar and the base plate.Type: ApplicationFiled: May 21, 2008Publication date: December 31, 2009Inventors: Jin LIU, Yu Chung Lee
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Publication number: 20090027552Abstract: Systems and methods for automatic adjustment of text in a video are described. At least one embodiment includes a system for automatic adjustment of text in a video on a display comprising a ratio detector configured to detect an original aspect ratio of the video, an edge locator configured to identify edges of the video based on the original aspect ratio detected, wherein regions between the edges of the video and edges of the display define unused regions, a size assessment module configured to determine size of the text, wherein the size assessment module determines the size of the text by examining at least one of light portions within the text and a bounding rectangle which surrounds the text. The system further comprises a text adjuster configured to move the text to the unused region above or below the video, wherein the text adjuster further aligns the text to at least one of the edges of the video and the edges of the display device.Type: ApplicationFiled: July 24, 2007Publication date: January 29, 2009Applicant: CYBERLINK CORPInventors: Chen-Yan Yang, Yu Chung Lee
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Publication number: 20070182254Abstract: A combination type of socket with power source management which includes a power source protection and filter body, a multi-hole outlet extension socket body, an automatic timing socket body, a synchronized main/secondary socket body, a main plug provided to the power source protection and filter body for connection to a common power source having a power source switch and a socket for connection with extension outlet socket. The socket is characterized in that the power source protection and filter body is provided with a power source quality processing circuit, excess voltage input prevention circuit, low high current indication alarm circuit, low high voltage indication alarm circuit, control circuit for voltage, and current indicator such that after the power source is input, noise elimination, surge absorption treatment, input voltage, and current value are monitored and indicated and the current is cut off at abnormal or warning alarm is produced.Type: ApplicationFiled: February 7, 2001Publication date: August 9, 2007Inventor: Yu-Chung Lee
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Patent number: 6608880Abstract: A reduced pressure drop debris filter bottom nozzle for use in a fuel assembly of a nuclear reactor includes a plate member formed with a plurality of first flow holes and a plurality of second flow holes. The first flow holes are oblong in cross section and may be of an oval configuration. The first flow holes each have in cross section a major axis and a minor axis, the major axis being longer than the minor axis. The second flow holes are circular in cross section and may have a diameter substantially equal to the minor axis of the first flow holes. The bottom nozzle also features support ligaments that extend between the first flow holes and that are axially aligned with fuel rods within the fuel assembly.Type: GrantFiled: July 17, 2001Date of Patent: August 19, 2003Assignee: Westinghouse Electric Co. LLCInventors: Michael G. Smith, Kyouseok Lee, Yu Chung Lee, Yonghwan Kim