Patents by Inventor Jung-Bum Kim
Jung-Bum Kim 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: 8487773Abstract: Disclosed are a crime prevention system using human body communication and a crime prevention method using human body communication capable of actively and effectively preventing a generation of a crime by using human body communication. The crime prevention system using human body communication includes: a monitoring device attached to a monitoring target to sense his physical contact with an observer and providing information obtained by monitoring the monitoring target through human body communication when body contact of the monitoring target with the observer is sensed; and a reception device attached to the observer, receiving the monitoring information through human body communication, and transmitting the monitoring information to a pre-set destination. A criminal act of the monitoring target may be prevented in advance, and when a criminal act is attempted, an observer who may fall a victim of the criminal act can actively cope with the situation.Type: GrantFiled: November 19, 2010Date of Patent: July 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, Sung Weon Kang, Jung Hwan Hwang, Tae Young Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Kyung Hwan Park, Hyung Il Park, In Gi Lim, Byoung Gun Choi, Seok Bong Hyun, Chang Hee Hyoung
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Patent number: 8489027Abstract: A method and apparatus for communicating a sound wave is provided. The apparatus includes: a sound wave converter converting a sound wave signal transmitted from a counter apparatus through the human body into an electrical signal when the sound wave is transmitted from the counter apparatus through the human body and converting an electrical signal on data to be output to the counter apparatus into a sound wave; a data processor receiving the converted electrical signal from the sound wave converter and transmitting an electrical signal on the data to be output to the sound wave converter when the data to be output exists; and a switch connected between the sound wave converter and the data processor, the switch transmitting the converted electrical signal to the data processor and transmitting the electrical signal on the data to be output to the sound wave converter. Accordingly, it is possible to efficiently transmit a signal with a low loss of sound wave signal.Type: GrantFiled: May 30, 2008Date of Patent: July 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jung Hwan Hwang, Sung Weon Kang, Hyung Il Park, In Gi Lim, Tae Wook Kang, Kyung Soo Kim, Jung Bum Kim, Chang Hee Hyoung, Jin Kyung Kim, Sung Eun Kim, Duck Gun Park, Ki Hyuk Park, Jae Hoon Shim
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Patent number: 8488648Abstract: Provided are a method and apparatus using a frequency selective baseband. Symbol-error correction modulation and demodulation is performed by generating a plurality of subgroups by dividing 2N spread codes or orthogonal codes used for frequency spreading into 2M (M<N) spread codes or orthogonal codes; selecting (P+L) subgroups; acquiring P spread codes by inputting M data bits to each of the selected P subgroups to select one spread code among the 2M spread codes of each subgroup; generating L*M parity bits for symbol error correction using P*M data bits inputted to the selected P subgroups; selecting one spread code among the 2M spread codes of the L subgroups by inputting the L*M parity bits to the L subgroups; and selecting the dominant values among the (P+L) spread codes acquired from the (P+L) subgroups to generate transmitting data including the dominant values, where N, M, P, and L are real numbers.Type: GrantFiled: April 28, 2008Date of Patent: July 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In Gi Lim, Hyung Il Park, Sung Weon Kang, Tae Wook Kang, Jung Hwan Hwang, Kyung Soo Kim, Jung Bum Kim, Chang Hee Hyoung, Duck Gun Park, Sung Eun Kim, Jin Kyung Kim, Ki Hyuk Park, Hyuk Kim
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Patent number: 8472501Abstract: Provided are a human body communication apparatus for non-contact communications using a frequency-selective baseband and a human body communication method for non-contact communications in the same. The human body communication apparatus may be useful to perform stable communications between users by reducing interference induced from other communication apparatuses without affecting interference between the users since data are transmitted/received between communication apparatuses adjacent to a human body by spreading and despreading the data using only spreading codes of a limited frequency band (frequency-selective baseband) in which an inductive electromagnetic field formed by an antenna shows the most effective characteristics.Type: GrantFiled: January 16, 2009Date of Patent: June 25, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In-Gi Lim, Sung-Weon Kang, Hyung-Il Park, Chang-Hee Hyoung, Jung-Hwan Hwang, Sung-Eun Kim, Jin-Kyung Kim, Tae-Wook Kang, Hey-Jin Myoung, Jung-Bum Kim, Kyung-Soo Kim
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Publication number: 20130153879Abstract: The present invention provides an organic light emitting device including: a substrate; and two or more stacked light emitting elements, which comprise a first electrode, at least one intermediate electrode, a second electrode, and an organic material layer disposed between the electrodes, the stacked organic light emitting elements including a first group of electrodes electrically connected to each other such that among the electrodes, at least two electrodes, which are not adjacent to each other, become a common electric potential, and a second group of electrodes which include one electrode among electrodes which are not electrically connected to the first group of electrodes, or at least two electrodes which are not electrically connected to the first group of electrodes and are electrically connected to each other so as to be a common electric potential without being adjacent to each other, in which the stacked organic light emitting elements are disposed at an interval apart from each other on the subsType: ApplicationFiled: August 17, 2011Publication date: June 20, 2013Applicant: LG CHEM, LTD.Inventors: Jung Bum Kim, Minsoo Kang, Hyeon Choi
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Patent number: 8467431Abstract: A human body communication system is provided. The human body communication system includes a transmitter and a receiver. The transmitter transmits a frame including a preamble, which is a Manchester-encoded pseudo noise (PN) code, to the human body. The receiver receives the frame from the human body, performs Manchester-decoding on the frame, performs cross-correlation on the decoding result and the PN code, and performs frame synchronization using the cross-correlation result. Accordingly, clock and data recovery performance is improved. Efficient frame synchronization with reduced computation amount can be provided.Type: GrantFiled: May 9, 2008Date of Patent: June 18, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Ki-Hyuk Park, In-Gi Lim, Sung-Weon Kang, Hyung-Il Park, Chang-Hee Hyoung, Jung-Hwan Hwang, Jin-Kyung Kim, Duck-Gun Park, Tae-Wook Kang, Sung-Eun Kim, Jung-Bum Kim, Kyung-Soo Kim
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Patent number: 8455896Abstract: The present invention provides an organic light emitting diode comprising a substrate, a first electrode provided on the substrate, one or more organic material layers provided on the first electrode, a second electrode provided on the organic material layer, and a light extraction layer provided on the top portion of the second electrode, and a method for manufacturing the same. The organic light emitting diode according to the present invention minimizes total internal reflection of the light emitted from a device to improve the light emitting efficiency.Type: GrantFiled: May 22, 2009Date of Patent: June 4, 2013Assignee: LG Chem, Ltd.Inventors: Min-Soo Kang, Se-Hwan Son, Hyeon Choi, Jung-Bum Kim
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Patent number: 8442249Abstract: A human body sound transmission apparatus and method for minimizing a signal loss are disclosed. The human body sound transmission apparatus includes: an audio signal transmission unit modulating an audio signal desired to be transmitted, and transmitting the modulated audio signal to the vicinity of a user's ear through the human body (i.e., a user's body); and a carrier wave signal transmission unit transmitting a carrier wave signal for demodulating the modulated audio signal to the vicinity of the user's ear through the air.Type: GrantFiled: July 28, 2010Date of Patent: May 14, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Jung Hwan Hwang, Tae Wook Kang, Sung Eun Kim, Sung Weon Kang, Kyung Soo Kim, Jung Bum Kim, Hyung Il Park, Chang Hee Hyoung, Jin Kyung Kim, In Gi Lim, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang, Seok Bong Hyun
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Publication number: 20130112962Abstract: An exemplary embodiment of the present invention provides a method for preparing an organic light-emitting device, comprising the steps of: 1) forming a spacer pattern on a first electrode formed on a substrate; 2) forming an organic material layer and a second electrode; 3) exposing the first electrode by forming an encapsulation thin film and then etching at least one portion of the encapsulation thin film; and 4) forming an auxiliary electrode which is electrically connected to the first electrode exposed in the step 3). The organic light-emitting device according to the exemplary embodiment of the present invention may solve problems of a voltage drop due to resistance of a transparent electrode in a longitudinal direction and of resultant brightness non-uniformity of the diode.Type: ApplicationFiled: July 8, 2011Publication date: May 9, 2013Applicant: LG CHEM, LTD.Inventors: Jung-Hyoung Lee, Jung-Bum Kim
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Patent number: 8422535Abstract: A frequency selective digital transmission apparatus includes: a preamble transmission processing unit generating a preamble for frame synchronization and spreading the generated preamble with a predetermined spreading code; a header transmission processing unit configuring a header including data attribute information and spreading the header with a predetermined spreading code; a data transmission processing unit performing serial-to-parallel conversion on transmission data according to a selected transmission mode and a spreading scheme and spreading the same with a frequency selective spreading code; and a multiplexing unit multiplexing the preamble, the header, and the data which have been spread by the preamble transmission processing unit, the header transmission processing unit and the data transmission processing unit, respectively, and transmitting the same as digital signals.Type: GrantFiled: April 26, 2010Date of Patent: April 16, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In Gi Lim, Hyung Il Park, Tae Wook Kang, Chang Hee Hyoung, Sung Weon Kang, Jung Hwan Hwang, Kyung Soo Kim, Jung Bum Kim, Sung Eun Kim, Jin-Kyung Kim, Hey Jin Myoung, Seok Bong Hyun, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang
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Publication number: 20130034125Abstract: Disclosed are a method and an apparatus for amplitude modulation of a spread signal that can increase a data transmission rate and frequency use efficiency by loading information on the amplitude of the spread signal used in digital communications. A method for amplitude modulation of a spread signal according to an exemplary embodiment of the present disclosure includes: receiving a first data signal; generating a spread signal by applying a spreading code to the first data signal; receiving a second data signal; and outputting the spread signal at an amplitude corresponding to a value of the second data signal.Type: ApplicationFiled: August 1, 2012Publication date: February 7, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Chang Hee Hyoung, Sung Weon Kang, In Gi Lim, Jung Bum Kim, Kyung Soo Kim, Kyung Hwan Park, Hyung-Il Park, Tae Young Kang, Sung Eun Kim, Tae Wook Kang, Jung Hwan Hwang, Byoung Gun Choi, Youn Tae Kim
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Patent number: 8351402Abstract: Provided are a digital communication system using frequency selective baseband and a method thereof. A transmitter of the digital communication system, includes: a preamble/header transmission processing unit for spreading a preamble for frame synchronization and a header including data information; a data transmission processing unit for spreading data by using spread codes having dominant frequency in a desired frequency band, i.e., frequency selective spread codes; and a multiplexer for multiplexing the spreaded preamble and the spreaded header from the preamble/header transmission processing unit and the frequency selective spreaded data from the data transmission processing unit and transmitting the multiplexed signal in digital.Type: GrantFiled: December 5, 2007Date of Patent: January 8, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: In-Gi Lim, Ki-Hyuk Park, Sung-Weon Kang, Kyung-Soo Kim, Jung-Bum Kim, Chang-Hee Hyoung, Hyung-Il Park, Duck-Gun Park, Jung-Hwan Hwang, Sung-Eun Kim, Jin-Kyung Kim, Jin-Bong Sung, Hyuk Kim
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Publication number: 20130003886Abstract: Provided is a method of generating and detecting a preamble that may significantly increase accuracy of frame synchronization while avoiding a low frequency domain having great noise power and minimizing hardware complexity and power consumption in a communication system of a digital direct transmission scheme applicable to human body communication. A method of generating a preamble according to an exemplary embodiment of the present disclosure includes: generating a first pseudo noise code and a second pseudo noise code that are different from each other; generating a plurality of same first sub preambles by line-coding the first pseudo noise code; and generating a second sub preamble behind the plurality of first sub preambles by line-coding the second pseudo noise code.Type: ApplicationFiled: June 29, 2012Publication date: January 3, 2013Applicant: Electonics and Telecommunications Research InstituteInventors: Tae Wook Kang, Hyung-Il Park, In Gi Lim, Sung Weon Kang, Chang Hee Hyoung, Jung Hwan Hwang, Tae Young Kang, Kyung Soo Kim, Jung Bum Kim, Kyung Hwan Park, Byoung Gun Choi, Sung Eun Kim
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Patent number: 8344999Abstract: The present invention relates to a powerless electronic notepad and a powerless wireless transmission system using the same, and more particularly, to a powerless electronic notepad that stores data recorded on an electronic notepad using piezoelectric elements and transmits the stored data using a passive RFID tag without the use of a power source, and a powerless wireless transmission system using the same.Type: GrantFiled: July 22, 2009Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Byoung Gun Choi, Kyung Soo Kim, Jung Bum Kim, In Gi Lim, Chang Hee Hyoung, Hyung Il Park, Sung Eun Kim, Tae Wook Kang, Hey Jin Myoung, Kyung Hwan Park, Seok Bong Hyun, Jung Hwan Hwang, Tae Young Kang, Sung Weon Kang
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Patent number: 8345735Abstract: There is provided a communication method using a human body as a medium. A modulation apparatus using a frequency selective baseband according to an aspect of the invention may include: a serial-to-parallel conversion unit converting serial data supplied from an upper layer into parallel data consisting of M+1 number of data input bits; and a frequency selective spreader selecting one subgroup among a plurality of subgroups obtained by dividing 2N number (where N is a positive integer) of spreading codes used for frequency spreading by 2M (where M is a positive integer, and M<N is satisfied), and selecting and outputting one spreading code among 2M number of spreading codes of the one subgroup by using the M number of data input bits, and spreading codes obtained by performing bit circular shifts on the 2M number of spreading codes.Type: GrantFiled: October 24, 2008Date of Patent: January 1, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Hyung Il Park, Sung Weon Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Jin Kyung Kim, Chang Hee Hyoung, Jung Hwan Hwang, Ki Hyuk Park, Jae Hoon Shim, Hey Jin Myoung
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Patent number: 8340158Abstract: Provided are a system and method for human body communication using a limited passband. The system includes a transmission frame generating unit for human body communication which generates a transmission frame for human body communication based on data information including user identification (ID) and data scrambled into an orthogonal code generated by the user ID; a symbol mapping unit for symbolizing the generated transmission frame for human body communication according to a predetermined modulating method; a spreading unit for spreading the symbol outputted in the symbol mapping unit; a waveform generating unit for generating a baseband signal whose band is limited to a predetermined range with respect to the data spread in the spreading unit; and a middle band transmitting unit for modulating the baseband signal into a predetermined limited passband signal.Type: GrantFiled: October 29, 2007Date of Patent: December 25, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: In-Gi Lim, Jung-Hwan Hwang, Sung-Weon Kang, Kyung-Soo Kim, Jung-Bum Kim, Hyung-Il Park, Chang-Hee Hyoung, Duck-Gun Park, Sung-Eun Kim, Jin-Kyung Kim, Tae-Joon Kim, Jin-Bong Sung, Hyuk Kim, Ki-Hyuk Park
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Patent number: 8338223Abstract: The present invention provides a fabrication method for an organic electronic device comprising a step of stacking sequentially a first electrode made of a metal, one or more organic material layers, and a second electrode on a substrate, wherein the method comprises the steps of: 1) forming a layer on the first electrode using a metal having a higher oxidation rate than the first electrode before forming the organic material layer, 2) treating the layer formed using a metal having a higher oxidation rate than the first electrode with oxygen plasma to form a metal oxide layer, and 3) treating the metal oxide layer with inert gas plasma to remove a native oxide layer on the first electrode, and an organic electronic device fabricated by the same method.Type: GrantFiled: May 10, 2007Date of Patent: December 25, 2012Assignee: LG Chem, Ltd.Inventors: Jung-Hyoung Lee, Jung-Bum Kim
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Patent number: 8320429Abstract: There are provided a receiver in human body communication system using multiple receivers reducing an error rate of receiver signals by applying a space diversity acquisition-related SIMO technology to a plurality of received data using multiple receivers or receiver electrodes in a human body communication system using a human body as a medium, and of stably transmitting the data for the interference of signals generated by other users or from different electronic devices, and a method for receiving data in the human body communication system. The receiver and the method for receiving data in a human body communication system may be useful to stably transmit/receive data without any reduction of its transmission rate by reducing the distortion in channels and the signal noise which are caused in the use of one receiver.Type: GrantFiled: May 27, 2008Date of Patent: November 27, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Tae Wook Kang, In Gi Lim, Hyung Il Park, Sung Weon Kang, Kyung Soo Kim, Jung Bum Kim, Chang Hee Hyoung, Duck Gun Park, Sung Eun Kim, Jung Hwan Hwang, Ki Hyuk Park, Jae Hoon Shim, Jin Kyung Kim
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Patent number: 8311175Abstract: A Time Division Duplex (TDD) communication apparatus and an operation method thereof can provide operation clock signals in the transmission and reception of the TDD communication apparatus using a Clock Recovery & Data Retiming (CDR) circuit, thereby stabilizing an operation without any crystal oscillator and reducing the power consumption. In a transmission time interval, a transmitting frame is processed using a clock signal of a reference frequency generated from the CDR circuit. In a reception time interval, a receiving frame is processed using a clock signal recovered from the receiving frame by the CDR circuit.Type: GrantFiled: April 11, 2008Date of Patent: November 13, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Jin Kyung Kim, Sung Weon Kang, Tae Wook Kang, Kyung Soo Kim, Sung Eun Kim, Jung Bum Kim, Duck Gun Park, Hyung Il Park, In Gi Lim, Chang Hee Hyoung, Jung Hwan Hwang, Ki Hyuk Park, Jae Hoon Shim
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Publication number: 20120280222Abstract: The present invention provides a fabrication method for an organic electronic device comprising a step of stacking sequentially a first electrode made of a metal, one or more organic material layers, and a second electrode on a substrate, wherein the method comprises the steps of: 1) forming a layer on the first electrode using a metal having a higher oxidation rate than the first electrode before forming the organic material layer, 2) treating the layer formed using a metal having a higher oxidation rate than the first electrode with oxygen plasma to form a metal oxide layer, and 3) treating the metal oxide layer with inert gas plasma to remove a native oxide layer on the first electrode, and an organic electronic device fabricated by the same method.Type: ApplicationFiled: July 18, 2012Publication date: November 8, 2012Inventors: Jung-Hyoung Lee, Jung-Bum Kim