Patents by Inventor Jong-Soo Seo
Jong-Soo Seo 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: 8179711Abstract: In a semiconductor memory device and method, resistive-change memory cells are provided, each including a plurality of control transistors formed on different layers and variable resistance devices comprising a resistive-change memory. Each resistive-change memory cell includes a plurality of control transistors formed on different layers, and a variable resistance device formed of a resistive-change memory. In one example, the number of the control transistors is two. The semiconductor memory device includes a global bit line; a plurality of local bit lines connected to or disconnected from the global bit line via local bit line selection circuits which correspond to the local bit lines, respectively; and a plurality of resistive-change memory cell groups storing data while being connected to the local bit lines, respectively.Type: GrantFiled: November 18, 2008Date of Patent: May 15, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sung-min Kim, Eun-jung Yun, Jong-soo Seo, Du-eung Kim, Beak-hyung Cho, Byung-seo Kim
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Patent number: 8170144Abstract: A distributed translator and an operation method of the distributed translator are proposed. The distributed translator includes: a demodulator demodulating a received signal to extract a transport stream and synchronization information from the received signal; a modulator generating an output frame based on the synchronization information to modulate the output frame; and a transmitter transmitting the modulated output frame according to a transmission timing.Type: GrantFiled: October 28, 2008Date of Patent: May 1, 2012Assignee: Korean Broadcasting SystemInventors: Young-Woo Suh, Tae-Hoon Kwon, Ha-Kyun Mok, Jong Soo Seo, Jin Yong Choi
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Patent number: 8143653Abstract: A phase-change random access memory device is provided. The phase-change random access memory device includes a global bit line connected to a write circuit and a read circuit, multiple local bit lines, each being connected to multiple phase-change memory cells, and multiple column select transistors selectively connecting the global bit line with each of the multiple local bit lines, each column select transistor having a resistance that varies depending on its distance from the write circuit and the read circuit.Type: GrantFiled: November 16, 2009Date of Patent: March 27, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-Yeong Cho, Jong-Soo Seo, Young-Kug Moon, Jun-Soo Bae, Kwang-Jin Lee
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Patent number: 7916622Abstract: Provided are an apparatus and method for allocating resources in a mobile communication system. The apparatus includes a modulating/coding unit for modulating transmission data of one or more users according to a predetermined modulation scheme and for outputting a complex signal; a 2-Dimensional (2D)/1-Dimensional (1D) converter for converting the complex signal into a 1D signal; and a re-modulator for reconstructing the 1D signal to a 2D signal and for allocating two components of the 2D signal to two different frequency bands.Type: GrantFiled: August 2, 2007Date of Patent: March 29, 2011Assignees: Samsung Electronics Co., Ltd, Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jong-Hyeuk Lee, Sang-Boh Yun, Dae-Young Park, Jong-Soo Seo, Won-Kyu Paik
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Patent number: 7848165Abstract: A phase-change random access memory (PRAM) device includes a plurality of banks, a plurality of column redundancy cell arrays, and a plurality of column redundancy write drivers. Each of the plurality of column redundancy cell arrays corresponds to at least one of the banks. Each of the plurality of column redundancy write drivers corresponds to at least one of the column redundancy cell arrays. The column redundancy write drivers are configured to transmit respective redundancy test data to the corresponding ones of the column redundancy cell arrays in response to a test control signal, which may be activated in response to each program pulse for writing data. Related test and access methods are also discussed.Type: GrantFiled: January 8, 2009Date of Patent: December 7, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-han Choi, Ho-keun Cho, Byung-gil Choi, Ki-sung Kim, Jong-chul Park, Jong-soo Seo
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Patent number: 7792201Abstract: An apparatus and method for determining a pilot pattern in a Broadband Wireless Access (BWA) communication system are provided. In the pilot pattern determining method, an Orthogonal Frequency Division Multiplexing (OFDM) demodulator generates frequency-domain data by fast-Fourier-transform (FFT)-processing a received signal. A pilot pattern decider calculates a coherence bandwidth and a coherence time using subcarrier values received from the OFDM demodulator, and selects one of a plurality of pilot patterns according to the ratio of the coherence bandwidth to the coherence time.Type: GrantFiled: December 29, 2006Date of Patent: September 7, 2010Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jong-Hyeuk Lee, Myeon-Kyun Cho, Won-Kyu Paik, Jong-Soo Seo
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Publication number: 20100118593Abstract: A phase-change random access memory device is provided. The phase-change random access memory device includes a global bit line connected to a write circuit and a read circuit, multiple local bit lines, each being connected to multiple phase-change memory cells, and multiple column select transistors selectively connecting the global bit line with each of the multiple local bit lines, each column select transistor having a resistance that varies depending on its distance from the write circuit and the read circuit.Type: ApplicationFiled: November 16, 2009Publication date: May 13, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Woo-Yeong Cho, Jong-Soo Seo, Young-Kug Moon, Jun-Soo Bae, Kwang-Jin Lee
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Patent number: 7633100Abstract: A phase-change random access memory device includes a global bit line connected to a write circuit and a read circuit; a plurality of local bit lines, each of which being connected to a plurality of phase-change memory cells; and a plurality of column select transistors selectively connecting the global bit line with each of the plurality of local bit lines. Each column select transistor has a resistance that depends on distance from the write circuit and the read circuit.Type: GrantFiled: December 27, 2005Date of Patent: December 15, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Woo-yeong Cho, Jong-soo Seo, Ik-chul Kim, Young-kug Moon
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Publication number: 20090262871Abstract: Provided are a receiver and a method for detecting a signal in a multiple antenna system. The receiver includes a filter coefficient calculator and a signal detector. After separating a first signal portion and a second signal portion, the filter coefficient calculator calculates an MMSE filter coefficient using a Matrix Inversion Lemma such that an inverse matrix of the first signal portion has a predetermined constant value regardless of a repetition signal detection process. The signal detector detects a relevant transmission signal from an interference-removed reception signal using the MMSE filter coefficient.Type: ApplicationFiled: April 16, 2009Publication date: October 22, 2009Applicants: SAMSUNG ELECTRONICS CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION YONSEI UNIVERSITYInventors: Sung-Yoon Jung, Sung-Soo Hwang, Joo-Hyun Lee, Jong-Ho Lee, Sung-Hwan Kim, Jong-Soo Seo, Jong-Kyung Kim, Jin-Yong Choi
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Patent number: 7580278Abstract: A variable resistance memory device includes a memory cell array having a plurality of memory cells, a write driver which supplies a step-down set current to the memory cells, where the step-down set current includes a plurality of successive steps of decreasing current magnitude, and a set program control circuit which controls a duration of the step-down set current supplied by the write driver. The set program control circuit controls the duration of the step-down set current in accordance with at least one of data contained in an mode register set (MRS) and a conductive state of a fuse element.Type: GrantFiled: October 9, 2007Date of Patent: August 25, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Beak-Hyung Cho, Jong-Soo Seo, Won-Seok Lee
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Publication number: 20090175072Abstract: A phase-change random access memory (PRAM) device includes a plurality of banks, a plurality of column redundancy cell arrays, and a plurality of column redundancy write drivers. Each of the plurality of column redundancy cell arrays corresponds to at least one of the banks. Each of the plurality of column redundancy write drivers corresponds to at least one of the column redundancy cell arrays. The column redundancy write drivers are configured to transmit respective redundancy test data to the corresponding ones of the column redundancy cell arrays in response to a test control signal, which may be activated in response to each program pulse for writing data. Related test and access methods are also discussed.Type: ApplicationFiled: January 8, 2009Publication date: July 9, 2009Inventors: Chang-han Choi, Ho-keun Cho, Byung-gil Choi, Ki-sung Kim, Jong-chul Park, Jong-soo Seo
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Publication number: 20090168493Abstract: In a semiconductor memory device and method, resistive-change memory cells are provided, each including a plurality of control transistors formed on different layers and variable resistance devices comprising a resistive-change memory. Each resistive-change memory cell includes a plurality of control transistors formed on different layers, and a variable resistance device formed of a resistive-change memory. In one example, the number of the control transistors is two. The semiconductor memory device includes a global bit line; a plurality of local bit lines connected to or disconnected from the global bit line via local bit line selection circuits which correspond to the local bit lines, respectively; and a plurality of resistive-change memory cell groups storing data while being connected to the local bit lines, respectively.Type: ApplicationFiled: November 18, 2008Publication date: July 2, 2009Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Sung-min Kim, Eun-jung Yun, Jong-soo Seo, Du-eung Kim, Beak-hyung Cho, Byung-seo Kim
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Publication number: 20090110133Abstract: A distributed translator and an operation method of the distributed translator are proposed. The distributed translator includes: a demodulator demodulating a received signal to extract a transport stream and synchronization information from the received signal; a modulator generating an output frame based on the synchronization information to modulate the output frame; and a transmitter transmitting the modulated output frame according to a transmission timing.Type: ApplicationFiled: October 28, 2008Publication date: April 30, 2009Applicant: KOREAN BROADCASTING SYSTEMInventors: Young-Woo Suh, Tae-Hoon Kwon, Ha-Kyun Mok, Jong Soo Seo, Jin Yong Choi
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Patent number: 7453716Abstract: In a semiconductor memory device and method, phase-change memory cells are provided, each including a plurality of control transistors formed on different layers and variable resistance devices formed of a phase-change material. Each phase-change memory cell includes a plurality of control transistors formed on different layers, and a variable resistance device formed of a phase-change material. In one example, the number of the control transistors is two. The semiconductor memory device includes a global bit line; a plurality of local bit lines connected to or disconnected from the global bit line via local bit line selection circuits which correspond to the local bit lines, respectively; and a plurality of phase-change memory cell groups storing data while being connected to the local bit lines, respectively.Type: GrantFiled: September 29, 2005Date of Patent: November 18, 2008Assignee: Samsung Electronics Co., LtdInventors: Sung-min Kim, Eun-jung Yun, Jong-soo Seo, Du-eung Kim, Beak-hyung Cho, Byung-seo Kim
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Patent number: 7453722Abstract: A phase change memory device is provided which includes a memory cell array including a plurality of memory cells, and a write driver for supplying a program current to the memory cell array through a global bitline. The memory cell array includes first and second cell regions, a first local bitline connected to the first cell region, a second local bitline connected to the second cell region, and a select region disposed between the first and second cell regions and supplying the program current supplied through the global bitline to the first and second local bitlines in response to a local select signal.Type: GrantFiled: December 29, 2005Date of Patent: November 18, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Byung-Gil Choi, Jong-Soo Seo, Young-Kug Moon, Bo-Tak Lim, Su-Yeon Kim
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Patent number: 7417887Abstract: A method and device for driving the word lines of a phase change memory device is provided. The method may include applying a first voltage level to non-selected word lines and a second voltage level to selected word lines during a normal operational mode, and placing the word lines in a floating state during a standby operational mode. The phase change memory device may include a plurality of word line drive circuits for driving corresponding word lines, where each of the plurality of word line drive circuits includes a drive unit which sets a corresponding word line to a first voltage level or a second voltage level in response to a first control signal, and a mode selector which selectively applies the first voltage level to the driving unit according to an operational mode of the phase change memory device.Type: GrantFiled: December 19, 2005Date of Patent: August 26, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Beak-hyung Cho, Jong-soo Seo, Du-eung Kim, Woo-yeong Cho
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Publication number: 20080031216Abstract: Provided are an apparatus and method for allocating resources in a mobile communication system. The apparatus includes a modulating/coding unit for modulating transmission data of one or more users according to a predetermined modulation scheme and for outputting a complex signal; a 2-Dimensional (2D)/1-Dimensional (1D) converter for converting the complex signal into a 1D signal; and a re-modulator for reconstructing the 1D signal to a 2D signal and for allocating two components of the 2D signal to two different frequency bands.Type: ApplicationFiled: August 2, 2007Publication date: February 7, 2008Applicants: SAMSUNG ELECTRONICS CO., LTD., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jong-Hyeuk LEE, Sang-Boh Yun, Dae-Young Park, Jong-Soo Seo, Won-Kyu Paik
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Publication number: 20080025081Abstract: A variable resistance memory device includes a memory cell array having a plurality of memory cells, a write driver which supplies a step-down set current to the memory cells, where the step-down set current includes a plurality of successive steps of decreasing current magnitude, and a set program control circuit which controls a duration of the step-down set current supplied by the write driver.Type: ApplicationFiled: October 9, 2007Publication date: January 31, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Beak-Hyung CHO, Jong-Soo SEO, Won-Seok LEE
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Patent number: 7295464Abstract: A phase change memory device includes a memory cell having a phase change material, a write driver which supplies a step-down set current to the memory cell, where the step-down set current includes a plurality of successive steps of decreasing current magnitude, and a set program control circuit which controls a duration of the step-down set current supplied by the write driver.Type: GrantFiled: December 29, 2005Date of Patent: November 13, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Beak-Hyung Cho, Jong-Soo Seo, Won-Seok Lee
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Publication number: 20070153931Abstract: An apparatus and method for determining a pilot pattern in a Broadband Wireless Access (BWA) communication system are provided. In the pilot pattern determining method, an Orthogonal Frequency Division Multiplexing (OFDM) demodulator generates frequency-domain data by fast-Fourier-transform (FFT)-processing a received signal. A pilot pattern decider calculates a coherence bandwidth and a coherence time using subcarrier values received from the OFDM demodulator, and selects one of a plurality of pilot patterns according to the ratio of the coherence bandwidth to the coherence time.Type: ApplicationFiled: December 29, 2006Publication date: July 5, 2007Applicants: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei UniversityInventors: Jong-Hyeuk Lee, Myeon-Kyun Cho, Won-Kyu Paik, Jong-Soo Seo