Eunsoo
Eunsoo Chang, Seoul KR
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20130168533 | CMOS IMAGE SENSOR AND OPERATING METHOD THEREOF - The inventive concept relates to a CMOS image sensor and an operating method of the CMOS image sensor. The operating method according to an embodiment of the inventive concept includes generating photoelectrons at a photo sensor element during a first time; generating photoelectrons at the photo sensor element during a second time shorter than the first time; and sensing the photoelectrons generated at the photo sensor element. A gate voltage of a transfer transistor connected to the photo sensor element is set differently at the first time and the second time. With an embodiment of the inventive concept, a dynamic range of the CMOS image sensor increases. | 07-04-2013 |
Eunsoo Jung, Seoul KR
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20120015672 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal and controlling method thereof are disclosed, by which object information on an object in a preview image is held in the preview image to be utilized in various ways. The present invention includes displaying a preview image photographed via a camera, obtaining a current position of the mobile terminal, searching object information on at least one object in the preview image based on the current position of the mobile terminal, displaying the found object information within the preview image, if the displayed the object information is selected from the preview image, holding the selected object information within the preview image, and controlling an operation related to the held object information. | 01-19-2012 |
20150026620 | MOBILE TERMINAL AND CONTROLLING METHOD THEREOF - A mobile terminal including a wireless communication unit configured to provide wireless communication; a touchscreen; a memory; and a controller configured to display a clipboard including copied content on the touchscreen, receive a paste selection signal indicating a pasting of the copied content from the clipboard to another location on the touchscreen, determine a property of the other location of the touchscreen, and modify a type of the copied content to correspond to the determined property of the other location when the content is pasted to the other location. | 01-22-2015 |
Eunsoo Jung, Bucheon-Si KR
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20140042953 | WINDING SYNCHRONOUS MACHINE HAVING A MOVING OBJECT INCLUDING AN INVERTER CIRCUIT, AND METHOD FOR CONTROLLING SAME - The present invention relates to a winding synchronous machine having a moving object including an inverter circuit, wherein a winding synchronous machine, including a winding synchronous motor or generator having a moving object including an inverter circuit, is provided, the winding synchronous machine being characterized by comprising: a moving-object inverter circuit connected to the moving object of the winding synchronous machine; and a moving-object circuit control device connected to the moving-object inverter circuit so as to control the moving-object inverter circuit. According to the provided winding synchronous machine, the moving-object circuit control device is characterized by comprising: a stator inverter voltage estimator estimating a high-frequency voltage of a stator inverter circuit; a field current reference generator generating a field current reference of the moving object; and an energy storage device voltage controller generating a current reference tracking a DC-link energy storage device voltage of the moving object. According to the present invention, the winding synchronous machine can be implemented while overcoming the problems associated with using a rare-earth permanent magnet, an extra power source is not needed, and an excitation circuit, in which ripples almost never occur, is included. | 02-13-2014 |
Eunsoo Kim, Seoul KR
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20140192329 | APPARATUS FOR PROJECTING SPATIAL IMAGE - An apparatus for projecting a spatial image in which the spatial image with a background is projected into a space through a projection unit is discussed. The apparatus according to an embodiment includes a receiving unit to receive a spatial image and a background image, a display unit to display the spatial image and the background image and to project light, a control unit to control the display unit to display the spatial image and the background image, and a spatial image projection unit to project the spatial image and the background image by transmitting or reflecting the light. Thus, a spatial image may be viewed from every direction, and the spatial image may be projected to different positions according to images and a background image may be displayed at the same time. In addition, a user may perform interaction such as reaching of hands into the projected image, and the like. | 07-10-2014 |
Eunsoo Yang, Seoul KR
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20140086775 | SCROLL COMPRESSOR WITH BEARING - A scroll compressor having a bearing is provided. The scroll compressor includes: a casing; a main frame fixed to the casing and having a shaft insertion hole formed therein; a fixed scroll fixed to the casing and disposed above the main frame; an orbiting scroll forming a compression chamber together with the fixed scroll and having a boss portion formed on a lower surface thereof; a rotational shaft having an end portion insertedly fixed in the boss portion in a state in which the rotational shaft is insertedly positioned in the shaft insertion hole; and a lubricating layer made of a PEEK material and formed in the shaft insertion hole or the boss portion, wherein the lubricating layer is formed by applying a liquid material to the shaft insertion hole or the boss portion. | 03-27-2014 |
20140086776 | SURFACE TREATING AGENT FOR WEAR-RESISTANCE SURFACE, MANUFACTURING METHOD THEREOF AND COMPRESSOR USING THE SAME - The present disclosure relates to a wear-resistant surface treating agent, a manufacturing method thereof, and a compressor using the same. According to one aspect of the present disclosure, the surface treating agent includes an organic solvent, nanodiamond powder and carbon nanotube powder dispersed in the organic solvent, and a PTFE solution mixed with the organic solvent, wherein the organic solvent is an amide-based organic solvent. | 03-27-2014 |
20140086777 | SYNTHETIC RESIN BEARING AND SCROLL COMPRESSOR HAVING THE SAME - A synthetic resin bearing and a scroll compressor using the same are provided. In the synthetic resin bearing as a journal bearing fixed to an orbiting scroll or a main frame and relatively rotated with respect to a rotational shaft in a scroll compressor, the journal bearing is made of a PEEK material, and a thickness t of the journal bearing is smaller than a thickness t1 with which a temperature in a contact surface thereof with the rotational shaft during an operation of the scroll compressor corresponds to a glass transition temperature. | 03-27-2014 |