Patents by Inventor Cheol-Oh Jeong
Cheol-Oh Jeong 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: 9215515Abstract: Provided is an apparatus and method for observing a physical phenomenon in the ocean and the atmosphere, the observation apparatus including an observation signal receiving unit to receive an observation signal indicating a physical phenomenon of an observation object, a physical quantity determining unit to determine a physical quantity of the observation object, using the observation signal, and a frequency determining unit to determine whether an observation frequency is to be changed, based on the physical quantity of the observation object.Type: GrantFiled: December 23, 2013Date of Patent: December 15, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Cheol Oh Jeong
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Publication number: 20150192670Abstract: A method and apparatus for extracting an ionospheric trace are provided. The trace extraction method includes: searching for a signal data having maximum strength among signal data displayed on an ionogram of the ionosphere; selecting the point where the signal data having maximum strength is placed as a first point; extracting the trace on the right side of the first point while increasing frequency of the signal data; and extracting the trace on the left side of the first point while decreasing the frequency.Type: ApplicationFiled: June 19, 2014Publication date: July 9, 2015Inventors: Jin Ho JO, Moonhee YOU, Cheol Oh JEONG, Yong-Min LEE, Hwan Sang LEE
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Patent number: 8996050Abstract: A system and method for observing a radio wave in an interplanetary space are provided. The system may include a tile unit to observe a Radio Frequency (RF) signal generated from a cosmic radio source in the interplanetary space, and to generate observation data, a node unit to digitalize the generated observation data, and to store the digitalized observation data, and a data analyzing unit to analyze the digitalized observation data and to compute a characteristic of a solar wind.Type: GrantFiled: September 13, 2012Date of Patent: March 31, 2015Assignee: Electronics and Telecommunications Research InstituteInventor: Cheol Oh Jeong
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Publication number: 20140245828Abstract: Provided is an apparatus and method for observing a physical phenomenon in the ocean and the atmosphere, the observation apparatus including an observation signal receiving unit to receive an observation signal indicating a physical phenomenon of an observation object, a physical quantity determining unit to determine a physical quantity of the observation object, using the observation signal, and a frequency determining unit to determine whether an observation frequency is to be changed, based on the physical quantity of the observation object.Type: ApplicationFiled: December 23, 2013Publication date: September 4, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: Cheol Oh JEONG
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Publication number: 20140213195Abstract: Provided is an apparatus and method for analyzing an effect on a wireless communication system that may analyze an effect of a solar activity on a wireless communication system based on strength of solar cosmic radio waves. An apparatus for analyzing an effect on a wireless communication system may include a solar cosmic radio wave strength collecting unit to collect strength of solar cosmic radio waves according to a solar activity; and an interference determining unit to determine a level of interference of the solar activity against the wireless communication system, based on the strength of solar cosmic radio waves.Type: ApplicationFiled: December 9, 2013Publication date: July 31, 2014Inventors: Yong Min LEE, Cheol Oh JEONG, Moon Hee YOU, Jin Ho JO
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Patent number: 8731111Abstract: An apparatus and method for tunable wideband solar radio noise measurement is provided. Accordingly, it is possible to directly measure the absolute flux of solar radio waves in a desired frequency band using a tunable receiver, and accordingly, to protect radio communication broadcasting systems located on the earth from its damage caused due to radio burst, noise and the like.Type: GrantFiled: December 7, 2011Date of Patent: May 20, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Woo Park, Cheol Oh Jeong, Jae Hoon Kim, Jung Hoon Kim
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Publication number: 20130143484Abstract: A system and method for observing a radio wave in an interplanetary space are provided. The system may include a tile unit to observe a Radio Frequency (RF) signal generated from a cosmic radio source in the interplanetary space, and to generate observation data, a node unit to digitalize the generated observation data, and to store the digitalized observation data, and a data analyzing unit to analyze the digitalized observation data and to compute a characteristic of a solar wind.Type: ApplicationFiled: September 13, 2012Publication date: June 6, 2013Applicant: Electronics and Telecommunications Research InstituteInventor: Cheol Oh JEONG
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Publication number: 20120163440Abstract: An apparatus and method for tunable wideband solar radio noise measurement is provided. Accordingly, it is possible to directly measure the absolute flux of solar radio waves in a desired frequency band using a tunable receiver, and accordingly, to protect radio communication broadcasting systems located on the earth from its damage caused due to radio burst, noise and the like.Type: ApplicationFiled: December 7, 2011Publication date: June 28, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jae Woo Park, Cheol Oh Jeong, Jae Hoon Kim, Jung Hoon Kim
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Patent number: 7843359Abstract: A fault management system using a satellite telemetering technology and a method thereof are provided. The fault management system includes: a telemetering sensing unit for collecting telemetering data from target apparatuses, which are installed at a remote location and an unattended location and managed through a satellite, in real time and sensing whether the target apparatuses are malfunctioned or not based on the collected telemetering data; a controlling unit for determining whether the target apparatuses are malfunctioned or not by comparing the telemetering data with unique performance request values for normally driving the target apparatuses, analyzing causes of malfunctions, and storing malfunction data into a malfunction data storing unit; a malfunction data analysis unit for managing the malfunction data stored in the malfunction data storing unit and analyzing the malfunction data; and a display unit for outputting the result of analyzing the malfunction data on a display device.Type: GrantFiled: December 1, 2006Date of Patent: November 30, 2010Assignee: Electronics and Telecommunications Research InstitueInventors: Cheol-Oh Jeong, Yong-Deuk Lee, Jae-Woo Park, Seong-Pal Lee
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Patent number: 7760038Abstract: Provided is a voltage controlled oscillator having a new type of a resonator and a negative resistance part capable of finely tuning negative resistance. Thus, the voltage controlled oscillator has an excellent quality factor characteristic and can finely tune the negative resistance even after its fabrication is completed. The voltage controlled oscillator having an active element includes: a resonating unit for generating an oscillation frequency according to a resonance capacitance; a frequency tuning unit, connected to a source terminal of the active element, for tuning the oscillation frequency; and a negative resistance adjusting unit, connected to the frequency tuning unit, for generating a negative resistance to adjust the oscillation frequency, the negative resistance adjusting unit including a varactor diode for finely adjusting the negative resistance.Type: GrantFiled: December 7, 2005Date of Patent: July 20, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Yong-Deuk Lee, Cheol-Oh Jeong, Jong-Won Eun, Seong-Pal Lee, Ho-Jin Lee
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Patent number: 7604168Abstract: An apparatus for transmitting/receiving destination wake-up information through communication satellite network is disclosed. The apparatus includes: an input/output unit for receiving ticketing data from an external device, transmitting the ticketing data to a storing unit and outputting the ticketing data to a baseband processing unit by reading from the storing unit according to transmission conditions; a storing unit for storing the ticketing data based on a control of the controlling unit; a baseband processing unit for converting the ticketing data into a baseband signal; and a wireless transceiving unit for converting the baseband signal into a wireless signal and emitting the wireless signal through a satellite antenna.Type: GrantFiled: December 8, 2004Date of Patent: October 20, 2009Assignee: Electronics and Telecommunications Research InstituteInventors: Jong-Won Eun, Cheol-Oh Jeong, Seong-Pal Lee
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Publication number: 20080309419Abstract: Provided is a voltage controlled oscillator having a new type of a resonator and a negative resistance part capable of finely tuning negative resistance. Thus, the voltage controlled oscillator has an excellent quality factor characteristic and can finely tune the negative resistance even after its fabrication is completed. The voltage controlled oscillator having an active element includes: a resonating unit for generating an oscillation frequency according to a resonance capacitance; a frequency tuning unit, connected to a source terminal of the active element, for tuning the oscillation frequency; and a negative resistance adjusting unit, connected to the frequency tuning unit, for generating a negative resistance to adjust the oscillation frequency, the negative resistance adjusting unit including a varactor diode for finely adjusting the negative resistance.Type: ApplicationFiled: December 7, 2005Publication date: December 18, 2008Inventors: Yong-Deuk Lee, Cheol-Oh Jeong, Jong-Won Eun, Seong-Pal Lee, Ho-Jin Lee
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Publication number: 20070129009Abstract: A fault management system using a satellite telemetering technology and a method thereof are provided. The fault management system includes: a telemetering sensing unit for collecting telemetering data from target apparatuses, which are installed at a remote location and an unattended location and managed through a satellite, in real time and sensing whether the target apparatuses are malfunctioned or not based on the collected telemetering data; a controlling unit for determining whether the target apparatuses are malfunctioned or not by comparing the telemetering data with unique performance request values for normally driving the target apparatuses, analyzing causes of malfunctions, and storing malfunction data into a malfunction data storing unit; a malfunction data analysis unit for managing the malfunction data stored in the malfunction data storing unit and analyzing the malfunction data; and a display unit for outputting the result of analyzing the malfunction data on a display device.Type: ApplicationFiled: December 1, 2006Publication date: June 7, 2007Inventors: Cheol-Oh Jeong, Yong-Deuk Lee, Jae-Woo Park, Seong-Pal Lee
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Patent number: 7164109Abstract: Provided is a solar position tracing sensor having a high resolving power by using a temperature coefficient and heat conductivity of fine patterns on a printed circuit board (PCB). The solar position tracing sensor is reliable and has a wide application ranges for both celestial and terrestrial applications. It can be produced in mass at cheep cost. The solar position tracing sensor includes: a light condenser for condensing and filtering sunlight; a PCB having light reception patterns on the top and bottom surfaces; a heat protection plate for preventing the temperature of the entire PCB from being increased; a reference voltage supplier for providing a reference voltage source to find out a specific light reception pattern whose temperature is increased from radiation of the sunlight; and a voltmeter for measuring alteration in voltage based on the alteration in a temperature coefficient of the light reception pattern with increased temperature.Type: GrantFiled: November 17, 2004Date of Patent: January 16, 2007Assignee: Electronics and Telecommunications Research InstituteInventors: Cheol-Oh Jeong, Jong-Won Eun
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Publication number: 20050133080Abstract: Provided is a solar position tracing sensor having a high resolving power by using a temperature coefficient and heat conductivity of fine patterns on a printed circuit board (PCB). The solar position tracing sensor is reliable and has a wide application ranges for both celestial and terrestrial applications. It can be produced in mass at cheep cost. The solar position tracing sensor includes: a light condenser for condensing and filtering sunlight; a PCB having light reception patterns on the top and bottom surfaces; a heat protection plate for preventing the temperature of the entire PCB from being increased; a reference voltage supplier for providing a reference voltage source to find out a specific light reception pattern whose temperature is increased from radiation of the sunlight; and a voltmeter for measuring alteration in voltage based on the alteration in a temperature coefficient of the light reception pattern with increased temperature.Type: ApplicationFiled: November 17, 2004Publication date: June 23, 2005Inventors: Cheol-Oh Jeong, Jong-Won Eun
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Publication number: 20050121516Abstract: An apparatus for transmitting/receiving destination wake-up information through communication satellite network is disclosed. The apparatus includes: an input/output unit for receiving ticketing data from an external device, transmitting the ticketing data to a storing unit and outputting the ticketing data to a baseband processing unit by reading from the storing unit according to transmission conditions; a storing unit for storing the ticketing data based on a control of the controlling unit; a baseband processing unit for converting the ticketing data into a baseband signal; and a wireless transceiving unit for converting the baseband signal into a wireless signal and emitting the wireless signal through a satellite antenna.Type: ApplicationFiled: December 8, 2004Publication date: June 9, 2005Inventors: Jong-Won Eun, Cheol-Oh Jeong, Seong-Pal Lee
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Patent number: 6850823Abstract: A system for executing diagnosis of vehicle performance using satellite telemetry technology includes a diagnostic unit for compiling telemetry data, transmitted in real-time, of an engine and various parts of a vehicle, comparing the telemetry data with specific values of the engine and various parts to determine if there are any abnormalities in vehicle performance, and monitoring diagnostic results of vehicle performance; and a communications unit for performing communications in real-time through a network with an external user requesting vehicle performance diagnostic results of the diagnostic unit. Accordingly, the driver or external user may easily determine if there are abnormalities in vehicle performance, take steps to cope with vehicle malfunctions before they occur, and know the precise location of any abnormal areas of vehicle performance.Type: GrantFiled: April 11, 2002Date of Patent: February 1, 2005Assignee: Electronics and Telecommunications Research InstituteInventors: Jong-Won Eun, Seong-Pal Lee, Cheol-Oh Jeong, Jae-Woo Park, Cheon-Sig Sin, Moon-Hee You, Dae-In Park
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Publication number: 20030107548Abstract: A system for executing diagnosis of vehicle performance using satellite telemetry technology includes a diagnostic unit for compiling telemetry data, transmitted in real-time, of an engine and various parts of a vehicle, comparing the telemetry data with specific values of the engine and various parts to determine if there are any abnormalities in vehicle performance, and monitoring diagnostic results of vehicle performance; and a communications unit for performing communications in real-time through a network with an external user requesting vehicle performance diagnostic results of the diagnostic unit. Accordingly, the driver or external user may easily determine if there are abnormalities in vehicle performance, take steps to cope with vehicle malfunctions before they occur, and know the precise location of any abnormal areas of vehicle performance.Type: ApplicationFiled: April 11, 2002Publication date: June 12, 2003Inventors: Jong-Won Eun, Seong-Pal Lee, Cheol-Oh Jeong, Jae-Woo Park, Cheon-Sig Sin, Moon-Hee You, Dae-In Park