Patents by Inventor Sung-kyu Choi
Sung-kyu Choi 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: 11966622Abstract: A memory storage device that performs real-time monitoring is provided. The memory storage device comprises a memory controller, and a status indicating module/circuit, wherein the memory controller is configured to perform a first a second initialization operation, the first and second initialization operations performed in response to turning-on of the memory storage device, to generate a first status parameter regarding a status of the memory storage device in which the first initialization operation is performed, and to generate a second status parameter regarding the status of the memory storage device in which a second initialization operation is performed. The status indicating circuit includes a first transistor configured to operate on the basis of the first status parameter, a first resistor connected to the first transistor, a second transistor configured to operate on the basis of the second status parameter, and a second resistor connected to the second transistor.Type: GrantFiled: March 9, 2022Date of Patent: April 23, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Oh Huh, Jong Kyu Choi, Soo-Hyeong Kim, Dong Hee Kim, Young San Kang
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Patent number: 11967269Abstract: A scan driver includes: a first transistor having a first electrode coupled to an output scan line, a second electrode coupled to a first power line, and a gate electrode coupled to a first node; a second transistor having a first electrode coupled to a first clock line, a second electrode coupled to the output scan line, and a gate electrode coupled to a second node; a third transistor having a first electrode coupled to the first node, a second electrode coupled to a first input scan line, and a gate electrode coupled to a second clock line; and a fourth transistor having a first electrode coupled to the second node and a second electrode and a gate electrode, which are coupled to a second input scan line, wherein the first input scan line and the second input scan line are different from each other.Type: GrantFiled: October 4, 2022Date of Patent: April 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Chul Kyu Kang, Sung Hwan Kim, Soo Hee Oh, Dong Sun Lee, Sang Moo Choi
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Publication number: 20240123386Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.Type: ApplicationFiled: January 28, 2022Publication date: April 18, 2024Applicant: COWAY CO.,LTD.Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
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Publication number: 20240109828Abstract: A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.Type: ApplicationFiled: August 12, 2021Publication date: April 4, 2024Inventors: Tae Woo Kim, Sung Kyu Lee, Byung Woo Choi, Hong Soo Joo, Dong Ha Lee
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Publication number: 20240100464Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.Type: ApplicationFiled: January 28, 2022Publication date: March 28, 2024Applicant: COWAY CO., LTD.Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
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Patent number: 11513459Abstract: A power supply apparatus to supply power to an image forming device, the power supply apparatus includes an amplifier to amplify an input AC power by a general amplification or a double amplification, a converter to receipt the input AC power amplified by the general amplification or the double amplification and output a DC power with a determined size. A controller control applying the general amplification or the double amplification to the converter, in response to an operating mode of the image forming device.Type: GrantFiled: August 24, 2020Date of Patent: November 29, 2022Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Sung Kyu Choi, An Sik Jeong
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Publication number: 20220187749Abstract: A power supply apparatus to supply power to an image forming device, the power supply apparatus includes an amplifier to amplify an input AC power by a general amplification or a double amplification, a converter to receipt the input AC power amplified by the general amplification or the double amplification and output a DC power with a determined size. A controller control applying the general amplification or the double amplification to the converter, in response to an operating mode of the image forming device.Type: ApplicationFiled: August 24, 2020Publication date: June 16, 2022Applicant: Hewlett-Packard Development Company, L.P.Inventors: Sung Kyu Choi, An Sik Jeong
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Patent number: 10149708Abstract: A bone plate system for fracture surgery is provided. The bone plate system includes a bone plate and a locking screw. The bone plate includes an upper surface, a lower surface facing a bone, and a locking hole in which an even-number-ridge internal thread is formed. The locking screw is coupled to the locking hole. The locking screw includes a head tapered so that a diameter thereof decreases along a center axis, a shank extending from the head, a double-ridge external thread formed on the head and configured to be tightened to the even-number-ridge internal thread, and an external thread formed on the shank and configured to be fastened to the bone.Type: GrantFiled: February 24, 2016Date of Patent: December 11, 2018Assignee: JEIL MEDICAL COPORATIONInventors: Chan Bong Kim, Jang Hyeon Seo, Sung Kyu Choi
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Patent number: 10061238Abstract: An image forming apparatus includes a fuser configured to fuse printing paper where a toner has been developed; and a fuser driver configured to provide power being provided from an external AC to a heating element inside the fuser so that the fuser has a predetermined temperature, wherein, in response to an operational state of the image forming apparatus being at a waiting state, the fuser driver performs a phase control on the power being provided to the heating element using AC power of sections other than a phase angle of a range predetermined based on a peak voltage value of the external AC power.Type: GrantFiled: March 14, 2016Date of Patent: August 28, 2018Assignee: S-PRINTING SOLUTION CO., LTD.Inventors: Young-jun Song, Chang-su Ma, Sung-kyu Choi
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Patent number: 9865075Abstract: A graphics processing apparatus and a graphics processing method are provided. The graphics processing method processes applications using a plurality of GPUs includes rendering a plurality of video data constituting at least one application using the plurality of GPUs, blending the plurality of video data that are rendered by the plurality of GPUs, and outputting blended images, wherein the blending performs blending through at least one of the GPUs that does not perform a rendering job and a video processing constituent element which is different from the plurality of GPUs.Type: GrantFiled: August 1, 2014Date of Patent: January 9, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-hun Jeong, Bong-hoon Park, Woo-ram Ann, Jin-bong Lee, Sung-kyu Choi
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Publication number: 20170108806Abstract: An image forming apparatus includes a fuser configured to fuse printing paper where a toner has been developed; and a fuser driver configured to provide power being provided from an external AC to a heating element inside the fuser so that the fuser has a predetermined temperature, wherein, in response to an operational state of the image forming apparatus being at a waiting state, the fuser driver performs a phase control on the power being provided to the heating element using AC power of sections other than a phase angle of a range predetermined based on a peak voltage value of the external AC power.Type: ApplicationFiled: March 14, 2016Publication date: April 20, 2017Applicant: Samsung Electronics Co., Ltd.Inventors: Young-jun SONG, Chang-su MA, Sung-kyu CHOI
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Patent number: 9432543Abstract: An image forming apparatus includes an image forming unit, a power supply configured to receive and convert an alternating current (AC) voltage into at least one direct current (DC) voltage, and output the same, a DC-DC converter configured to convert the at least one DC voltage into a driving voltage at a predetermined level, and a controller configured to be activated by the driving voltage, and control the power supply to turn on the image forming unit by supplying a first DC voltage to the image forming unit, and after the image forming unit has been turned on, supplying a second DC voltage at a higher level than a level of the first DC voltage to the image forming unit.Type: GrantFiled: December 19, 2013Date of Patent: August 30, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Sung-kyu Choi
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Publication number: 20160242829Abstract: A bone plate system for fracture surgery is provided. The bone plate system includes a bone plate and a locking screw. The bone plate includes an upper surface, a lower surface facing a bone, and a locking hole in which an even-number-ridge internal thread is formed. The locking screw is coupled to the locking hole. The locking screw includes a head tapered so that a diameter thereof decreases along a center axis, a shank extending from the head, a double-ridge external thread formed on the head and configured to be tightened to the even-number-ridge internal thread, and an external thread formed on the shank and configured to be fastened to the bone.Type: ApplicationFiled: February 24, 2016Publication date: August 25, 2016Inventors: Chan Bong KIM, Jang Hyeon SEO, Sung Kyu CHOI
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Patent number: 9367233Abstract: A display method of a display apparatus is provided. The display method includes displaying an image on a screen, detecting a touch manipulation with respect to the image, and if the touch manipulation is detected, changing a display status of the image according to a physical attribute of the touch manipulation.Type: GrantFiled: December 24, 2013Date of Patent: June 14, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: In-cheol Park, Min-kyu Park, Seok-yung Lee, Sun-tae Kim, Ji-hye Song, Gyeong-cheol Jang, Sang-beom Jo, Jong-keun Cho, Sung-kyu Choi
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Patent number: 9045827Abstract: Provided are an apparatus and method for supplying a light-emitting diode (LED) wafer that may quickly and accurately transfer LED wafers by acquiring position information of pockets in a carrier in which the LED wafers are to be seated. The apparatus may include a cassette in which a plurality of LED wafers are loaded, a carrier including a plurality of pockets in which the LED wafers are seated, an aligning unit to align the LED wafers that are to be seated in the carrier, a transfer robot to transfer the LED wafers from the cassette to the aligning unit, a picker to hold, in an adsorbed state, the LED wafers transferred to the aligning unit, or to release the adsorbed state, a capturing unit to fix the picker, and to acquire position information of the pockets, and an LED wafer loading robot to transfer the picker and the capturing unit from the aligning unit to the carrier.Type: GrantFiled: March 9, 2012Date of Patent: June 2, 2015Assignees: LG CNS CO., LTD., Robostar Co., Ltd.Inventors: in hwan Ryu, hak pyo Lee, il Chan Yang, Sung Kyu Choi, Byeong Seung Lee
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Publication number: 20150042644Abstract: A graphics processing apparatus and a graphics processing method are provided. The graphics processing method processes applications using a plurality of GPUs includes rendering a plurality of video data constituting at least one application using the plurality of GPUs, blending the plurality of video data that are rendered by the plurality of GPUs, and outputting blended images, wherein the blending performs blending through at least one of the GPUs that does not perform a rendering job and a video processing constituent element which is different from the plurality of GPUs.Type: ApplicationFiled: August 1, 2014Publication date: February 12, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong-hun JEONG, Bong-hoon PARK, Woo-ram ANN, Jin-bong LEE, Sung-kyu CHOI
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Publication number: 20150009516Abstract: An image forming apparatus includes an image forming unit, a power supply configured to receive and convert an alternating current (AC) voltage into at least one direct current (DC) voltage, and output the same, a DC-DC converter configured to convert the at least one DC voltage into a driving voltage at a predetermined level, and a controller configured to be activated by the driving voltage, and control the power supply to turn on the image forming unit by supplying a first DC voltage to the image forming unit, and after the image forming unit has been turned on, supplying a second DC voltage at a higher level than a level of the first DC voltage to the image forming unit.Type: ApplicationFiled: December 19, 2013Publication date: January 8, 2015Applicant: Samsung Electronics Co., LtdInventor: Sung-kyu CHOI
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Patent number: 8923722Abstract: The present general inventive concept describes a switching mode power supply (SMPS) and a method of supplying power by using the same. An SMPS that may be used in an image forming apparatus can include a transformation unit to transform an alternating-current (AC) voltage input to the SMPS, into at least one direct-current (DC) voltage by using a transformer, a first output voltage output unit to output the transformed DC voltage as a first output voltage of the SMPS, a first switching unit to prevent output of the second output voltage, and a second switching unit to prevent output of the second output voltage.Type: GrantFiled: April 6, 2011Date of Patent: December 30, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-kyu Choi, Jong-myung Heo
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Publication number: 20140123081Abstract: A display method of a display apparatus is provided. The display method includes displaying an image on a screen, detecting a touch manipulation with respect to the image, and if the touch manipulation is detected, changing a display status of the image according to a physical attribute of the touch manipulation.Type: ApplicationFiled: December 24, 2013Publication date: May 1, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: In-cheol PARK, Min-kyu PARK, Seok-yung LEE, Sun-tae KIM, Ji-hye SONG, Gyeong-cheol JANG, Sang-beom JO, Jong-keun CHO, Sung-kyu CHOI
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Publication number: 20130236275Abstract: Provided are an apparatus and method for supplying a light-emitting diode (LED) wafer that may quickly and accurately transfer LED wafers by acquiring position information of pockets in a carrier in which the LED wafers are to be seated. The apparatus may include a cassette in which a plurality of LED wafers are loaded, a carrier including a plurality of pockets in which the LED wafers are seated, an aligning unit to align the LED wafers that are to be seated in the carrier, a transfer robot to transfer the LED wafers from the cassette to the aligning unit, a picker to hold, in an adsorbed state, the LED wafers transferred to the aligning unit, or to release the adsorbed state, a capturing unit to fix the picker, and to acquire position information of the pockets, and an LED wafer loading robot to transfer the picker and the capturing unit from the aligning unit to the carrier.Type: ApplicationFiled: March 9, 2012Publication date: September 12, 2013Applicants: ROBOSTAR CO., LTD., LG CNS CO., LTDInventors: In Hwan RYU, Hak Pyo LEE, Il Chan Yang, Sung Kyu CHOI, Byeong Seung LEE