Patents by Inventor Bong-Ju Lee
Bong-Ju 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: 7894815Abstract: The present invention relates to a device for providing a quality of service (QoS) of a hand-off between heterogeneous networks, and a method thereof. According to the present invention, the device includes a device for performing a QoS management function for each access system and a device for performing a QoS management function between heterogeneous access systems in a network including a plurality of interlocked access systems. The device for performing the QoS management function for each access system manages a user service session, a local QoS of the access system, and a QoS context of the service session. The device for performing the QoS management function between the heterogeneous access systems negotiates the QoS of the service session and manages the QoS context when the hand-off is performed between the heterogeneous access systems, and performs a QoS mapping operation.Type: GrantFiled: October 5, 2006Date of Patent: February 22, 2011Assignees: Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd., KT CorporationInventors: Seung-Kwon Baek, Bong-Ju Lee, Jae-Su Song, Won-Ik Kim, Ji-Soo Park, Soo-Chang Kim, Sung-gu Choi, Hyung-Sub Kim, Yeon-Seung Shin
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Patent number: 7761099Abstract: In a wireless network discovery method according to an exemplary embodiment of the present invention, a) a propagation environment information message generated by using signal information received from the heterogeneous wireless networks is transmitted to the common core network, b) a wireless network discovery range generated by using the propagation environment information message is received from the common core network, c) it is determined if signal information received from a serving wireless network at a current location corresponds to the wireless network discovery range, and d) when the signal information corresponds to the wireless network discovery range in c), a network within the wireless network discovery range is discovered, when the signal information does not correspond to the wireless network discovery range in c), c) is periodically performed.Type: GrantFiled: June 5, 2006Date of Patent: July 20, 2010Assignees: Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd., Ktfreetel Co., Ltd.Inventors: Won-Ik Kim, Bong-Ju Lee, Jae-Su Song, Sung-gu Choi, Yeon-Seung Shin
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Patent number: 7720487Abstract: A handover method and apparatus for a mobile terminal using location information in a network of heterogeneous systems are provided. The handover method uses service area map information provided by a location service server in a mobile communication network in which at least one or more heterogeneous wireless network systems are connected through a predetermined network and, includes: receiving service area map information transmitted from the location service server; the mobile terminal determining whether or not the location of the mobile terminal is within the service area map; and if it is determined that the mobile terminal is within the service area map, the wireless terminal selecting an accessible wireless network system and then activating a unit for communicating with a base station of the selected wireless network system.Type: GrantFiled: December 5, 2005Date of Patent: May 18, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Won Ik Kim, Bong Ju Lee, Pyeong Jung Song, Sang Woo Nam, Jae Su Song, Yeon Seung Shin
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Publication number: 20090153950Abstract: The object of this invention is to provide a phase stabilization device for stimulated brillouin scattering-phase conjugate mirrors and a light amplification apparatus using the phase stabilization device. A light amplification apparatus of the present invention includes a polarizer (70) for polarizing light beams reflected from a plurality of stimulated brillouin scattering-phase conjugate mirrors and causing the light beams to interfere with each other. A detector (80) acquires an interfering beam resulting from interference of the polarizer (70), and outputs the interfering beam. A phase controller (90) controls phase using the interfering beam acquired by the detector. Therefore, the apparatus of the present invention can stably lock the phase for a long period of time, and can be used in various industries and for scientific research in cases where a high repetition rate and high power are required.Type: ApplicationFiled: March 7, 2007Publication date: June 18, 2009Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hong Jin Kong, Bong Ju Lee
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Patent number: 7417874Abstract: An information processing apparatus includes a circuit unit, a front cover to support the circuit unit, a rear cover combined with the front cover with the circuit unit disposed therebetween, a skirt having a skirt body protruding from a surface of one of the front cover and the rear cover in a combining direction and an engaging slit formed on a surface of the skirt body in a horizontal direction of the combining direction, and an engaging protrusion having a protrusion protruding from a surface of the other one of the front cover and the rear cover to engage the engaging slit and a slant slanting to the surface of the other one of the front and rear covers from the protrusion.Type: GrantFiled: September 8, 2006Date of Patent: August 26, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Bong-ju Lee, Se-ki Jang
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Publication number: 20080156630Abstract: The present invention relates to an apparatus and a method for producing hydrogen gas. The hydrogen gas production apparatus of the present invention comprises a) a dielectric hollow tube, b) a means for maintaining the dielectric hollow tube to a reduced pressure, c) a microwave source that generates a microwave, d) a waveguide coupled to the microwave source that applies the microwave to the dielectric hollow tube, e) a gas supply source that supplies a hydrogen element-containing gas into the dielectric hollow tube, wherein the hydrogen element-containing gas supplied into the dielectric hollow tube undergoes plasma discharge with aid of the microwave from the waveguide and produces reaction products including hydrogen gas through intramolecular bond breakage rather than heat decomposition, by collision of an electron produced by the plasma discharge with the hydrogen element-containing gas, and f) a separator that separates the hydrogen gas from the reaction products.Type: ApplicationFiled: May 16, 2006Publication date: July 3, 2008Applicants: KOREA BASIC SCIENCE INSTITUTE, SEM TECHNOLOGY CO., LTD.Inventors: Bong-Ju Lee, Yong-Ho Jung
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Patent number: 7381943Abstract: The present invention relates to a neutral particle beam processing apparatus. More specifically, the present invention relates to a neutral particle beam processing apparatus comprising a plasma discharging space inside which processing gases are converted to plasma ions through a plasma discharge, a heavy metal plate which converts the plasma ions into neutral particles through collisions, a plasma limiter which prevents plasma ions and electrons from passing through and allows the neutral particles produced by collisions of the plasma ions with the heavy metal plate to pass through, and a treating housing inside which a substrate to be treated is located, wherein the plasma discharging space is sandwiched between the heavy metal plate and the plasma limiter.Type: GrantFiled: November 27, 2004Date of Patent: June 3, 2008Assignees: Korea Basic Science Institute, SEM Technology, Co., Ltd.Inventors: Bong-Ju Lee, Suk-Jae Yoo, Hag-Joo Lee
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Patent number: 7301782Abstract: A connector device and a display device using the same include an image displaying panel to display an image, a PCB to operate the image displaying panel, at least one cable port provided in the PCB, at least one cable connecter provided to be coupled to the cable port, and a connector holder disposed adjacent to the cable port to prevent the cable connector from being separated from the cable port. Thus the connector device and the display device using the same can prevent a cable mounted on a PCB from being separated therefrom.Type: GrantFiled: May 6, 2005Date of Patent: November 27, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Bong-ju Lee, Byung-jo Kang
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Publication number: 20070184640Abstract: There is provided a method for producing a solid element plasma from a solid lump and a plasma source used in the method. The method of the present invention comprises colliding a solid lump with accelerated particles or lasers to detach solid atoms from the solid lump within a first chamber inside which sputtering of solid atoms is performed, directing the solid atoms to a second chamber inside which plasma discharge is performed, applying a voltage to the second chamber to produce a plasma of solid atoms through plasma discharge, and contacting the plasma of solid atoms to a target to be treated. The present invention avoids problems caused from impurities and poisonous gases of conventional systems adopting a solid element-containing gas as a source of solid element.Type: ApplicationFiled: May 17, 2005Publication date: August 9, 2007Applicants: KOREA BASIC SCIENCE INSTITUTE, SEM TECHNOLOGY CO., LTD.Inventors: Hag-Joo Lee, Bong-Ju Lee
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Publication number: 20070133472Abstract: The present invention relates to a vertical handoff method. According to the present invention, a serving network of a mobile station is determined. Herein, the mobile station that can access a first network having relatively wide service coverage and a second network having relatively narrow service coverage in an area where service coverages of heterogeneous networks are overlapped. When accessing the serving network of the first network, it is determined whether a received signal strength received from the second network is greater than a first threshold value. In addition, a first vertical handoff is decided by using a result of prediction of a transition pattern of the received signal strength that is greater than the first threshold value. When the serving network is the second network, it is determined whether the received signal strength received from the second network is less than a second threshold value.Type: ApplicationFiled: December 8, 2006Publication date: June 14, 2007Inventors: Won-Ik Kim, Bong-Ju Lee, Seung-Kwon Baek, Soo-Chang Kim, Yeon-Seung Shin, Yeong-Jin Kim
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Publication number: 20070123260Abstract: In a wireless network discovery method according to an exemplary embodiment of the present invention, a) a propagation environment information message generated by using signal information received from the heterogeneous wireless networks is transmitted to the common core network, b) a wireless network discovery range generated by using the propagation environment information message is received from the common core network, c) it is determined if signal information received from a serving wireless network at a current location corresponds to the wireless network discovery range, and d) when the signal information corresponds to the wireless network discovery range in c), a network within the wireless network discovery range is discovered, when the signal information does not correspond to the wireless network discovery range in c), c) is periodically performed.Type: ApplicationFiled: June 5, 2006Publication date: May 31, 2007Inventors: Won-Ik Kim, Bong-Ju Lee, Jae-Su Song, Sung-gu Choi, Yeon-Seung Shin
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Publication number: 20070115887Abstract: The present invention relates to a device for providing a quality of service (QoS) of a hand-off between heterogeneous networks, and a method thereof. According to the present invention, the device includes a device for performing a QoS management function for each access system and a device for performing a QoS management function between heterogeneous access systems in a network including a plurality of interlocked access systems. The device for performing the QoS management function for each access system manages a user service session, a local QoS of the access system, and a QoS context of the service session. The device for performing the QoS management function between the heterogeneous access systems negotiates the QoS of the service session and manages the QoS context when the hand-off is performed between the heterogeneous access systems, and performs a QoS mapping operation.Type: ApplicationFiled: October 5, 2006Publication date: May 24, 2007Inventors: Seung-Kwon Baek, Bong-Ju Lee, Jae-Su Song, Won-Ik Kim, Ji-Soo Park, Soo-Chang Kim, Sung-gu Choi, Hyung-Sub Kim, Yeon-Seung Shin
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Publication number: 20070084991Abstract: The present invention relates to a neutral particle beam processing apparatus. More specifically, the present invention relates to a neutral particle beam processing apparatus comprising a plasma discharging space inside which processing gases are converted to plasma ions through a plasma discharge, a heavy metal plate which converts the plasma ions into neutral particles through collisions, a plasma limiter which prevents plasma ions and electrons from passing through and allows the neutral particles produced by collisions of the plasma ions with the heavy metal plate to pass through, and a treating housing inside which a substrate to be treated is located, wherein the plasma discharging space is sandwiched between the heavy metal plate and the plasma limiter.Type: ApplicationFiled: November 27, 2004Publication date: April 19, 2007Inventors: Bong-Ju Lee, Suk-Jae Yoo, Hag-Joo Lee
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Publication number: 20070058355Abstract: An information processing apparatus includes a circuit unit, a front cover to support the circuit unit, a rear cover combined with the front cover with the circuit unit disposed therebetween, a skirt having a skirt body protruding from a surface of one of the front cover and the rear cover in a combining direction and an engaging slit formed on a surface of the skirt body in a horizontal direction of the combining direction, and an engaging protrusion having a protrusion protruding from a surface of the other one of the front cover and the rear cover to engage the engaging slit and a slant slanting to the surface of the other one of the front and rear covers from the protrusion.Type: ApplicationFiled: September 8, 2006Publication date: March 15, 2007Inventors: Bong-ju Lee, Se-ki Jang
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Publication number: 20050272297Abstract: A connector device and a display device using the same include an image displaying panel to display an image, a PCB to operate the image displaying panel, at least one cable port provided in the PCB, at least one cable connecter provided to be coupled to the cable port, and a connector holder disposed adjacent to the cable port to prevent the cable connector from being separated from the cable port. Thus the connector device and the display device using the same can prevent a cable mounted on a PCB from being separated therefrom.Type: ApplicationFiled: May 6, 2005Publication date: December 8, 2005Inventors: Bong-ju Lee, Byung-jo Kang
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Patent number: 6935269Abstract: The present invention relates to an apparatus for treating the surface with neutral particle beams comprising an antenna container, a plasma generating part, a neutral particle beam generating part and a treating part, wherein the antenna container comprises antennas connected to high frequency electric power supply through which high frequency electric power supplies, the plasma generating part transfers gases from a gas injector into plasmas with the supplied power, the neutral particle beam generating part reverts the obtained plasmas to neutral particle beams via the collision thereof with metal plates, and the treating part treats the surface of a target with the neutral particle beams.Type: GrantFiled: April 28, 2001Date of Patent: August 30, 2005Assignees: Sem Technology Co., Ltd., Hag-Joo LeeInventors: Bong-Ju Lee, Suk-Jae Yoo
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Publication number: 20030168011Abstract: The present invention relates to an apparatus for treating the surface with neutral particle beams comprising an antenna container, a plasma generating part, a neutral particle beam generating part and a treating part, wherein the antenna container comprises antennas connected to high frequency electric power supply through which high frequency electric power supplies, the plasma generating part transfers gases from a gas injector into plasmas with the supplied power, the neutral particle beam generating part reverts the obtained plasmas to neutral particle beams via the collision thereof with metal plates, and the treating part treats the surface of a target with the neutral particle beams.Type: ApplicationFiled: March 4, 2003Publication date: September 11, 2003Inventors: Bong-Ju Lee, Suk-Jae Yoo