Patents by Inventor Cheol Jin
Cheol Jin 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: 7304271Abstract: A heating apparatus for cooking using steam and a method of controlling the same. The heating apparatus includes a main body having a cooking chamber; a steam-generating device for supplying steam to the cooking chamber; and a water supply device for supplying water to the steam-generating device, having a water bucket for containing water; a water bucket-supporting device installed on the main body for supporting the water bucket, and including a space for containing an inlet of the water bucket such that the inlet can be soaked in the water when the water bucket is inserted into the water bucket-supporting device such that the inlet of the water bucket faces a bottom of the bucket-supporting device; a water supply pump for supplying the water of the water bucket-supporting device to the steam-generating device; and water supply pipes for guiding the water from the water bucket-supporting device to the steam-generating device.Type: GrantFiled: June 27, 2006Date of Patent: December 4, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Pung Yeon Cho, Kobayashi Shozo, Seok Weon Hong, Yun Ic Hwang, Yu Jeub Ha, Cheol Jin Kim
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Patent number: 7297905Abstract: A cooking device having a cooking compartment, which is divided by a partition. The cooking device includes a partitioning member, installed in a cooking chamber, for partitioning the cooking chamber into a first cooking chamber and a second cooking chamber, a heater for heating food placed in the cooking chamber, and a ventilating device for ventilating air in the first cooking chamber and the second cooking chamber, independently.Type: GrantFiled: June 21, 2005Date of Patent: November 20, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol Jin Kim, Kobayashi Shozo, Yun Ic Hwang, Seok Weon Hong, Yu Jeub Ha, Hyun Suk Kim, Pung Yeun Cho
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Patent number: 7286330Abstract: Disclosed is power supply device and method having a spark prevention function. The power supply device having a spark prevention function includes output connectors to which an external device is coupled to be supplied with electric power; and an output controller for controlling a level of a voltage outputted to the output connectors depending upon whether the external device is coupled to the output connectors. Accordingly, damages to parts and malfunctions due to spark occurrences can be prevented, so an external device can be coupled to a power supply device in operation without any damage.Type: GrantFiled: September 5, 2003Date of Patent: October 23, 2007Assignee: Samaung Electronics Co., Ltd.Inventor: Cheol-jin Park
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Patent number: 7273379Abstract: A hybrid circuit board includes a first circuit board and a second circuit boards. The first circuit board includes a first body having a slot, and a first circuit pattern formed on the first body and extended to the slot. The second circuit board includes a second body, a protruding portion, a second circuit pattern, and a separating member. The protruding portion extends from the second body. The protruding portion is inserted into the slot of the first circuit board to combine the second circuit board to the first circuit board. The second circuit pattern is formed on the second body to be extended to the protruding portion, so that the second circuit pattern is electrically connected to the first circuit pattern of the first circuit board. The separating member is disposed between the second body and the protruding portion to separate the protruding portion from the second body.Type: GrantFiled: October 13, 2005Date of Patent: September 25, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeon-Yong Jang, Cheol-Jin Park
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Patent number: 7261101Abstract: A steam oven which selectively heats food at desired locations includes a cabinet to define a cooking cavity therein, a steam generator to generate steam, a plurality of steam feed pipes to guide and supply the steam generated by the steam generator into the cooking cavity, including outlet ends placed at a plurality of predetermined positions in the cooking cavity so as to evenly distribute the steam into the cooking cavity, and a plurality of steam valves mounted at predetermined portions of the plurality of steam feed pipes. The plurality of steam valves independently control the plurality of steam feed pipes so as to change positions from which the steam is discharged into the cooking cavity. Therefore, the steam oven of the present invention cooks the food in desired directions by allowing the plurality of the steam valves to independently control the plurality of steam feed pipes.Type: GrantFiled: May 21, 2004Date of Patent: August 28, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Cheol Jin Kim
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Publication number: 20070124906Abstract: A disassembling process of end-of-life vehicles (ELVS) takes place in a circular two-story structure. An elevator moves a vehicle between stories of the structure, and a conveyor system moves the vehicle between facilities in each story. The first and last steps in the disassembling process take place on the first story and the other steps take place in facilities arranged sequentially around the perimeter of the second story.Type: ApplicationFiled: August 1, 2006Publication date: June 7, 2007Inventor: Cheol Jin
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Patent number: 7212481Abstract: A method and device for searching a recording medium are provided. The recording medium has a management information area of which location information is overlapped with that of a program area. The method for determining an area on a recording medium having an overlapped time range between two areas reads a time address from a current position on the recording medium, obtains additional information from the recording medium or from a recording medium driving unit, if the read time address belongs to the overlapped range, and determines, based on the obtained additional information, to which one the areas the current position belongs. Therefore, it prevents wrong track jumps that are caused from time-overlapped areas on a capacity-expanded recording medium.Type: GrantFiled: May 12, 2003Date of Patent: May 1, 2007Assignee: Hitachi-LG Data Storage Korea, Inc.Inventors: Hong Jo Jeong, Cheol Jin
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Publication number: 20070035257Abstract: Provided is an inverter for driving a backlight such as LCD, wherein the inverter includes a driving circuit for driving at least two of a plurality of lamps; a transformer for connecting the driving circuit to the plurality of lamps; and a balance coil connected to at least two of the plurality of lamps for balancing the current flowing through the at least two of the plurality of lamps, and the balance coil further includes a bobbin having a winding part divided into at least three parts; a core disposed in the bobbin; and first and second coils disposed on the divided winding parts.Type: ApplicationFiled: July 12, 2006Publication date: February 15, 2007Inventors: Cheol-jin Park, Ryuichi Kimura, Jin-Gyu Moon
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Patent number: 7177243Abstract: The present invention relates to a track access apparatus and a method by which an optical pick-up unit quickly accesses a destination track of an optical disc by controlling a tracking actuator using a back electromotive force by detecting the vibration of an objective lens, the position variation, and the distortion of an actuator which occur when the optical pick-up unit is moved across the tracks of the optical disc at a high speed.Type: GrantFiled: March 9, 2004Date of Patent: February 13, 2007Assignee: LG Electronics Inc.Inventors: Dong Keun Lee, Cheol Jin, Jeong Chae Youn
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Patent number: 7158811Abstract: Disclosed is a circuit for supplying ear-microphone bias power in a mobile terminal that reduces power consumption due to unnecessary ear-microphone bias when the terminal is in a sleep mode with an ear/microphone being connected to the terminal through an ear-microphone line. The ear/microphone has a call switch connected to the ear-microphone line. The circuit receives first and second powers through first and second power input terminals, respectively. The first power is supplied when the terminal is not in the sleep mode, whereas the second power having a voltage lower than that of the first power is supplied also in the sleep mode. The circuit supplies ear-microphone bias power, based on the first power, to the ear-microphone line when not in the sleep mode, and supplies power for detecting a switching operation of the call switch, based on the second power, to the ear-microphone line in the sleep mode.Type: GrantFiled: August 18, 2004Date of Patent: January 2, 2007Assignee: Samsung Electronics Co., Ltd.Inventor: Hyun-Cheol Jin
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Patent number: 7154365Abstract: An apparatus for fixing a bobbin to a printed circuit board for use in a transformer includes a receiving hole formed in the printed circuit board, a size of which is minutely larger than that of the bobbin to hold the bobbin, and a horizontal support portion formed at the pins of the bobbin in parallel relation to an upper surface of the printed circuit board, for allowing the bobbin to be supported on the upper surface of the printed circuit board when the bobbin is inserted into the receiving hole. Accordingly, the apparatus for fixing the bobbin to the printed circuit board for use in the transformer can make the installation height of the transformer installed on the printed circuit board slim, thereby decreasing a thickness of the electronic product employing the transformer 10 and thus improving convenience in use.Type: GrantFiled: July 10, 2003Date of Patent: December 26, 2006Assignee: Samsung Electronics Co., Ltd.Inventor: Cheol-jin Park
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Publication number: 20060273739Abstract: A display apparatus is provided with a panel to display a picture thereon. The display apparatus comprises an inverter to convert DC power into AC power. The display apparatus also includes at least one lamp unit comprising a lamp body and a lamp electrode part provided in at least one of opposite ends of the lamp body to receive an electric power. A transformer is arranged adjacent to the lamp electrode part to boost up a voltage of the electric power output from the inverter to supply the electric power with the boosted voltage as a driving power to the lamp unit.Type: ApplicationFiled: May 12, 2006Publication date: December 7, 2006Inventor: Cheol-Jin Park
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Patent number: 7129447Abstract: An oven having a partition unit to partition a cooking space into a plurality of independent cooking chambers wherein the partition unit has a heat-insulating structure to prevent heat transfer between the respective cooking chambers. The oven comprises a cabinet, a door to open and close an opened front surface of the cabinet, a partition unit to partition the interior of the cabinet into a plurality of independent cooking chambers, and electric heaters mounted in the cooking chambers. The partition unit includes first and second heat-insulating layers opposite to each other and an air layer disposed between the first and second heat-insulating layers. An inlet and an outlet are formed at the air layer, and a blowing fan is mounted at the inlet. Bent guide members are disposed in the air layer to guide air such that the air uniformly flows throughout the air layer.Type: GrantFiled: November 17, 2005Date of Patent: October 31, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Sung Kwang Kim, Yu Jeub Ha, Kyoung Ho Kim, Seok Weon Hong, Kil Young Lee, Cheol Jin Kim, Yun Ic Hwang, Sang Hyun Kang, Sung Soo Park, Tae Ho Kim, Pung Yeun Cho
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Publication number: 20060197466Abstract: A cold cathode fluorescent lamp (CCFL) is disclosed that provides a structure which may be driven in parallel. For this purpose, a lamp drive device comprises a plurality of CCFLs connected in parallel, a first current limiting unit connected to the plurality of CCFLs to control the magnitude of supplied power so as to discharge the CCFLs, and an inverter for changing the magnitude of supplied AC power and supplying the changed AC power to the first current limiting unit. This parallel drive CCFL structure may reduce manufacture costs of CCFL and minimize device failure rates.Type: ApplicationFiled: November 23, 2005Publication date: September 7, 2006Inventor: Cheol-Jin Park
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Patent number: 7099248Abstract: The present invention relates to a method of changing a recording mode from CAV (Constant Angular Velocity) mode to CLV (Constant Linear Velocity) mode in the middle of recording data to a disk recording medium. A method according to the present invention reads ATIP-framed data encoded in a wobble signal formed along a spiral physical track while recording input data to a recording medium, and detects a sync signal contained in the read ATIP-framed data. Another method measures the frequency of a low-frequency component of the wobble signal instead of reading ATIP-framed data. These two methods determine, in common, when to change the recording mode from CAV to CLV based on the period of the detected sync signal or the measured frequency. The present invention makes it possible to record input data to an entire area of a disk more rapidly without fatal errors such as imperfect writing. As a result, total recording time can be reduced with stable recording guaranteed.Type: GrantFiled: May 24, 2001Date of Patent: August 29, 2006Assignee: LG Electronics Inc.Inventor: Cheol Jin
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Patent number: 7092334Abstract: The present invention relates to a method of detecting a defect area without any mistake during data recording on a writable disk. This method detects a level of a servo error signal produced during a recording operation, checks whether the servo error signal is in an abnormal state based on the detected level, detects a periodic wobble signal or periodicity of the abnormal state occurrences of the servo error signal produced during the recording operation, and determines whether a recording area is in defect based on successful decoding of the detected periodic wobble signal or the periodicity of the abnormal state occurrences if the servo error signal is in an abnormal state. This method ensures exact detection of a defect area, whereby unnecessary speed reduction can be eliminated and successful data writing can be also guaranteed even in a defect area.Type: GrantFiled: March 13, 2002Date of Patent: August 15, 2006Assignee: Hitachi-LG Data Storage Korea, Inc.Inventors: Young Do Choi, Keuk Young Bang, Cheol Jin
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Patent number: 7091454Abstract: A heating apparatus for cooking using steam and a method of controlling the same. The heating apparatus includes a main body having a cooking chamber; a steam-generating device for supplying steam to the cooking chamber; and a water supply device for supplying water to the steam-generating device, having a water bucket for containing water; a water bucket-supporting device installed on the main body for supporting the water bucket, and including a space for containing an inlet of the water bucket such that the inlet can be soaked in the water when the water bucket is inserted into the water bucket-supporting device such that the inlet of the water bucket faces a bottom of the bucket-supporting device; a water supply pump for supplying the water of the water bucket-supporting device to the steam-generating device; and water supply pipes for guiding the water from the water bucket-supporting device to the steam-generating device.Type: GrantFiled: May 5, 2005Date of Patent: August 15, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Pung Yeon Cho, Kobayashi Shozo, Seok Weon Hong, Yun Ic Hwang, Yu Jeub Ha, Cheol Jin Kim
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Patent number: 7087863Abstract: An oven capable of preventing heat transfer from one cooking space having relatively high temperature to another cooking space having relatively low temperature along each side plate of a cooking chamber having a plurality of partitioned cooking spaces. The oven includes an insulating unit and a cooling unit mounted at each side plate to prevent heat transfer between first and second cooking spaces along each side plate. The insulating unit includes a slit formed right under the partition, an insulating member fitted in the slit, and a supporting member attached to the inside of each side plate. The cooling unit includes an air guide member attached to the outside of each side plate to cover the insulating member, and a blowing fan connected to the air guide member to forcibly blow outside air to the air guide member.Type: GrantFiled: November 23, 2005Date of Patent: August 8, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Cheol Jin Kim, Yun Ic Hwang, Seok Weon Hong, Pung Yeun Cho, Yu Jeub Ha, Kyoung Ho Kim, Sung Kwang Kim, Kil Young Lee, Sung Soo Park, Tae Ho Kim, Sang Hyun Kang
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Publication number: 20060170840Abstract: A surface light source unit, a liquid crystal display apparatus, and a method for reducing snaking and vibration of the positive column caused in the surface light source unit are provided. The surface light source unit includes at least one discharge space for emitting light, a first electrode positioned a distance apart from the center of one side of the discharge space for emitting current, and a second electrode positioned at a distance apart from the center of the other side of the discharge space for receiving the current emitted from the first electrode. The first electrode and the second electrode disposed at both sides of the discharge space arranged on the upper side of the surface light source unit are positioned at the upper side of the center of the discharge space. The first electrode and the second electrode positioned at both sides of the discharge space arranged on the lower side of the surface light source unit are positioned apart from the center of the discharge space.Type: ApplicationFiled: October 25, 2005Publication date: August 3, 2006Inventors: Cheol-jin Park, Kyoung-geun Lee
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Publication number: 20060157671Abstract: The present invention relates to a slurry for use in metal chemical-mechanical polishing (CMP) and a preparation method thereof. More particularly, the invention relates to a slurry for use in metal CMP, in which iron ions or divalent or higher valent metal ions are physico-chemically adsorbed on colloidal silica particles in the form of particles by a reduction, hydrolysis, impregnation or precipitation method, as well as a preparation method thereof. The slurry useful for metal CMP prepared according to the present invention has a uniform particle size distribution, and shows increased efficiencies as an oxidation catalyst and polishing slurry chemically adsorbed with metal particles, as compared to the prior metal CMP slurry distributed with metal ions. Also, the inventive slurry has long-term storage stability, since it does not show coagulation and precipitation phenomena even after it is stored for more than one year without a dispersant or a dispersion stabilizer.Type: ApplicationFiled: January 6, 2006Publication date: July 20, 2006Applicant: ACE HIGHTECH CO., LTD.Inventors: Jin-Goo Park, Young-Jae Kang, Jae-Hoon Song, Jung-Soo Jang, Suk-Jo Jung, Jung-Hwan Byeon, Cheol-Jin Park, Seon-Yun Bae, Moon-Sung Kim