Patents by Inventor Chang-Woo Baek
Chang-Woo Baek 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: 9789807Abstract: A lamp includes a vehicle position sensing unit for sensing a position of a forward vehicle. The lamp includes a plurality of lamp units for changing beam patterns by opening or closing a portion of a shield having a plate shape, a shield actuating unit actuating the shield to open or close the portion of the shield and an optical axis adjustment unit for changing a direction of irradiation of light by adjusting an optical axis of at least one of the plurality of lamp units. In particular, a control unit forms a shadow zone by controlling at least one of the shield actuating unit and the optical axis adjustment unit according to the sensed position of the forward vehicle.Type: GrantFiled: July 22, 2015Date of Patent: October 17, 2017Assignee: SL CorporationInventors: Jong Ryoul Park, Young Ho Son, Dong Jin Ko, Chang Woo Baek
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Patent number: 9783096Abstract: An automotive lamp which reduces dazzle to the drivers of other vehicles by adjusting a light pattern of irradiated light and a method of adjusting the automotive lamp is provided. An automotive lamp includes a light irradiation device which forms first and second patterns at least partially overlapping each other by irradiating light and a control device configured to adjust light irradiation device to form a shadow area at a position of a second vehicle when the second vehicle exists in an area of a beam pattern in which the first and second patterns are synthesized with each other. The control device is configured to determine a size of the shadow area by referring to whether the second vehicle exists in a non-uniform overlap section, in which the first pattern and the second pattern overlap each other to a non-uniform degree in an irradiation section of the light.Type: GrantFiled: December 12, 2016Date of Patent: October 10, 2017Assignee: SL CorporationInventors: Youngho Son, Chang Woo Baek
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Publication number: 20170182931Abstract: An automotive lamp which reduces dazzle to the drivers of other vehicles by adjusting a light pattern of irradiated light and a method of adjusting the automotive lamp is provided. An automotive lamp includes a light irradiation device which forms first and second patterns at least partially overlapping each other by irradiating light and a control device configured to adjust light irradiation device to form a shadow area at a position of a second vehicle when the second vehicle exists in an area of a beam pattern in which the first and second patterns are synthesized with each other. The control device is configured to determine a size of the shadow area by referring to whether the second vehicle exists in a non-uniform overlap section, in which the first pattern and the second pattern overlap each other to a non-uniform degree in an irradiation section of the light.Type: ApplicationFiled: December 12, 2016Publication date: June 29, 2017Inventors: Youngho Son, Chang Woo Baek
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Publication number: 20170043702Abstract: A lamp includes a vehicle position sensing unit for sensing a position of a forward vehicle. The lamp includes a plurality of lamp units for changing beam patterns by opening or closing a portion of a shield having a plate shape, a shield actuating unit actuating the shield to open or close the portion of the shield and an optical axis adjustment unit for changing a direction of irradiation of light by adjusting an optical axis of at least one of the plurality of lamp units. In particular, a control unit forms a shadow zone by controlling at least one of the shield actuating unit and the optical axis adjustment unit according to the sensed position of the forward vehicle.Type: ApplicationFiled: July 22, 2015Publication date: February 16, 2017Inventors: Jong Ryoul Park, Young Ho Son, Dong Jin Ko, Chang Woo Baek
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Publication number: 20150251013Abstract: Provided are a portable defibrillation device, a mobile terminal, and an operating method of the mobile terminal, in which the portable defibrillation device may initiate charging of an energy storage or output an electrical shock using the energy storage in response to a control signal to be received from the mobile terminal.Type: ApplicationFiled: February 3, 2015Publication date: September 10, 2015Inventors: Chang Woo Baek, Sung Hyun Kim, Il Hyun Jeon
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Patent number: 8752031Abstract: A compiling method and a processor using the same are provided. The compiling method includes simulating a first program code which includes at least one first operation command to generate a first operation result, compiling the first program code to generate a second program code which includes at least one second operation command, simulating the second program code to generate a second operation result, and comparing the first operation result with the second operation result to verify whether the second program code is valid.Type: GrantFiled: December 1, 2008Date of Patent: June 10, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Taisong Kim, Hong-Seok Kim, Chang-Woo Baek
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Patent number: 8549507Abstract: A loop coalescing method and a loop coalescing device are disclosed. The loop coalescing method comprises removing an inner-most loop from among nested loops, so that an outer operation provided outside of the inner-most loop is performed when a condition of a conditional statement is satisfied, generating a guard code by applying an if-conversion method to the conditional statement, and converting a guard by using an instruction calculating the guard of the guard code, the instruction calculating the guard using a register where information related to a period of time corresponding to the number of iterations of the inner-most loop is stored.Type: GrantFiled: August 22, 2007Date of Patent: October 1, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Hee Seok Kim, Hong-Seok Kim, Chang-Woo Baek, Jeongwook Kim
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Patent number: 8327122Abstract: A context switch method capable of promptly switching a context for a dynamically generated task and a dynamic link by converting a state of multiple register files, switching the context, and separately restoring and storing the context. That is, the context switch method includes: maintaining a multiple register files; establishing the multiple register to be in any one of a prefetch state, a current state, and a store state; converting a state of the multiple register files to be in any one of the prefetch state, the current state, and the store state when a context switch occurs; wherein, in the prefetch state, determining a memory address to read a next task context to be subsequently performed by the register file, in the current state, performing a task with the task context of the register file and in the store state, storing the register file in a memory.Type: GrantFiled: March 2, 2007Date of Patent: December 4, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Jae Don Lee, Keun Soo Yim, Woon Gee Kim, Jeong Joon Yoo, Jung Keun Park, Chang-Woo Baek, Chae Seok Im
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Patent number: 7831809Abstract: A method of reducing a code size of a program by controlling a control flow of the program using software in a computer system is disclosed.Type: GrantFiled: August 28, 2006Date of Patent: November 9, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Keun-soo Yim, Jae-don Lee, Jeong-joon Yoo, Kyoung-ho Kang, Jung-keun Park, Chae-seok Im, Woon-gee Kim, Chang-woo Baek
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Patent number: 7774581Abstract: An apparatus and a method are provided for a parallel processing very long instruction word (VLIW) computer. The apparatus includes: an index code generation unit sequentially generating an index code, which is associated with a number of no operation (NOP) instruction word between effective instruction words, with respect to each of instruction word groups to be executed in a VLIW computer; an instruction compression unit sequentially deleting the NOP instruction word which corresponds to the index code with respect to each of instruction word groups; and an instruction word conversion unit converting the effective instruction words to include the index code, the effective instruction words corresponding to the NOP instruction words.Type: GrantFiled: August 14, 2007Date of Patent: August 10, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-Woo Baek, Hong-Seok Kim, Hee Seok Kim, Jeongwook Kim
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Publication number: 20090217249Abstract: A compiling method and a processor using the same are provided. The compiling method includes simulating a first program code which includes at least one first operation command to generate a first operation result, compiling the first program code to generate a second program code which includes at least one second operation command, simulating the second program code to generate a second operation result, and comparing the first operation result with the second operation result to verify whether the second program code is valid.Type: ApplicationFiled: December 1, 2008Publication date: August 27, 2009Inventors: Taisong Kim, Hong-Seok Kim, Chang-Woo Baek
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Publication number: 20080235492Abstract: An apparatus and a method are provided for a parallel processing very long instruction word (VLIW) computer. The apparatus includes: an index code generation unit sequentially generating an index code, which is associated with a number of no operation (NOP) instruction word between effective instruction words, with respect to each of instruction word groups to be executed in a VLIW computer; an instruction compression unit sequentially deleting the NOP instruction word which corresponds to the index code with respect to each of instruction word groups; and an instruction word conversion unit converting the effective instruction words to include the index code, the effective instruction words corresponding to the NOP instruction words.Type: ApplicationFiled: August 14, 2007Publication date: September 25, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang-Woo BAEK, Hong-Seok KIM, Hee Seok KIM, Jeongwook KIM
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Publication number: 20080235657Abstract: A loop coalescing method and a loop coalescing device are disclosed. The loop coalescing method comprises removing an inner-most loop from among nested loops, so that an outer operation provided outside of the inner-most loop is performed when a condition of a conditional statement is satisfied, generating a guard code by applying an if-conversion method to the conditional statement, and converting a guard by using an instruction calculating the guard of the guard code, the instruction calculating the guard using a register where information related to a period of time corresponding to the number of iterations of the inner-most loop is stored.Type: ApplicationFiled: August 22, 2007Publication date: September 25, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hee Seok KIM, Hong-Seok KIM, Chang-Woo BAEK, Jeongwook KIM
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Publication number: 20080133899Abstract: A context switching method, medium, and system with a reconfigurable processor. The context switching system include a reconfigurable processor reconfiguring a program according to reconfiguration information and executing the reconfigured program, a central processing unit outputting a load command for sequentially loading reconfiguration information required for a plurality of tasks, in order to control the plurality of tasks, a reconfiguration information selecting unit selecting reconfiguration information for context switching, a reconfiguration information loading unit receiving the load command from the central processing unit, and loading reconfiguration information corresponding to the load command from a memory, and a plurality of reconfiguration information storage units storing the reconfiguration information loaded by the reconfiguration information loading unit.Type: ApplicationFiled: December 3, 2007Publication date: June 5, 2008Applicant: Samsung Electronics Co., Ltd.Inventors: Jung-keun Park, Gyu-sang Choi, Chae-seok Im, Chang-woo Baek
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Publication number: 20070226474Abstract: A context switch method capable of promptly switching a context for a dynamically generated task and a dynamic link by converting a state of multiple register files, switching the context, and separately restoring and storing the context. That is, the context switch method includes: maintaining a multiple register files; establishing the multiple register to be in any one of a prefetch state, a current state, and a store state; converting a state of the multiple register files to be in any one of the prefetch state, the current state, and the store state when a context switch occurs; wherein, in the prefetch state, determining a memory address to read a next task context to be subsequently performed by the register file, in the current state, performing a task with the task context of the register file and in the store state, storing the register file in a memory.Type: ApplicationFiled: March 2, 2007Publication date: September 27, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Don Lee, Keun Soo Yim, Woon Gee Kim, Jeong Joon Yoo, Jung Keun Park, Chang-Woo Baek, Chae Seok Im
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Publication number: 20070074003Abstract: A method of reducing a code size of a program by controlling a control flow of the program using software in a computer system is disclosed.Type: ApplicationFiled: August 28, 2006Publication date: March 29, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Keun-soo Yim, Jae-don Lee, Jeong-joon Yoo, Kyoung-ho Kang, Jung-keun Park, Chae-seok Im, Woon-gee Kim, Chang-woo Baek
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Patent number: 6268087Abstract: The present invention relates to a method of preparing a lithium ion polymer battery which has a high capacity and a good cyclability as well as no exudation of liquid electrolyte. The lithium ion polymer battery according to the present invention is prepared by the steps of forming electrode films, laminating the electrode films on both surfaces of a grid or extended metal so as to improve the interfacial adhesion between the electrode films, forming a polymer electrolyte film composed of a polymer, an electrolyte solution, and a filler, and laminating the composite anode, the polymer electrolyte and the composite cathode. The activated composite anode/polymer electrolyte film/activated composite cathode is laminated to obtain a lithium ion polymer battery structure. The lithium ion polymer battery is vacuum-packaged using a vacuum packaging apparatus.Type: GrantFiled: July 30, 1998Date of Patent: July 31, 2001Assignee: Samsung Display Device Co., Ltd.Inventors: Dong-Won Kim, Young-Roak Kim, Yang-Kook Sun, Boo-Keun Oh, Chang-Woo Baek
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Patent number: 6268088Abstract: A gel polymer electrolyte according to the present invention comprises a polymer selected from the group consisting of vinyl acetate copolymer, poly(ethylene/vinylacetate/carbon oxide: EVACM), and poly(ethylene/vinylacetate/maleic acid anhydride: EVAMA); an inorganic filler; and a liquid electrolyte that a lithium salt is dissolved in an aprotic solvent. It is preferable that the polymer material in a gel polymer electrolyte according to the present invention is in the range of 20 to 30% by weight, the inorganic material filler is in the range of 5 to 20% by weight, and the liquid electrolyte is in the range of 60 to 80 % by weight. As a specific functional group which has a high compatibility with a liquid electrolyte in the present invention is contained in the polymer material, a lithium ion becomes to move with ease in electrolyte, and the ionic conductivity is over 0.5 mS/cm which is the demand level of a gel polymer electrolyte.Type: GrantFiled: January 17, 2000Date of Patent: July 31, 2001Assignee: Cheil IndustriesInventors: Boo-Keun Oh, Young-Roak Kim, Dong-Won Kim, Chang-Woo Baek
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Patent number: 6001509Abstract: A solid polymer electrolyte according to the present invention comprises a polymer (A), and a liquid electrolyte (B) composed of a lithium salt and an aprotic solvent, optionally and a ceramic filler (C). The polymer (A) is poly(acrylonitrile-methyl methacrylate), poly(acrylonitrile-methyl methacrylate-oligooxyethylene ethylether methacrylate) or poly(acrylonitrilc-methyl methacrylate-styrene). The polymer (A) is poly(acrylonitrile methyl methacrylate) containing acrylonitrile of 10.about.90 mol %, preferably 26.about.46 mol %, poly(acrylonitrile-methyl methacrylate-oligooxyethylene ethylether methacrylate) containing acrylonitrile of 20.about.80 mol %, methyl methacrylate of 20.about.80 mol % and oligooxyethylene ethylether methacrylate of 5.about.20 mol %, and poly(acrylonitrile-methyl methacrylate-styrene) containing acrylonitrile of 10.about.80 mol %, methyl methacrylate of 10.about.60 mol % and styrene of 5.about.50 mol %.Type: GrantFiled: November 18, 1997Date of Patent: December 14, 1999Assignee: Samsung Display Devices Co., Ltd.Inventors: Dong-Won Kim, Young-Roak Kim, Boo-Keun Oh, Chang-Woo Baek