Patents by Inventor Chang Hee Hyoung
Chang Hee Hyoung 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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Publication number: 20120161575Abstract: Provided are a stack-type beta battery generating a current from a beta source and a method of manufacturing the same. The method includes forming an oxide mask in a predetermined pattern on a surface of a substrate, forming a plurality of recesses by etching a region without the oxide mask from the substrate, removing the oxide mask and forming a PN-junction layer on the substrate, forming a first electrode on the PN-junction layer and forming a second electrode on another surface of the substrate, and forming a unit module by stacking a radioisotope layer on the PN-junction layer, the radioisotope layer emitting a beta ray. The beta battery can improve efficiency per unit area than a single layered beta battery by the number of stacked PN-junctions, and the process is simpler than a pore-forming process using DRIE, and manufacturing costs and time can be saved.Type: ApplicationFiled: November 22, 2011Publication date: June 28, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Byoung Gun CHOI, Jung Bum Kim, In Gi Lim, Chang Hee Hyoung, Hyung Il Park, Kyung Hwan Park, Tae Young Kang, Sung Eun Kim, Jung Hwan Hwang, Tae Wook Kang, Kyung Soo Kim, Sung Weon Kang
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Patent number: 8194876Abstract: The present invention relates to a sound transmission system using a human body as a propagation medium. The transmission system includes a first signal transmitter and a second signal transmitter respectively generating signals having frequencies corresponding to each other, the first and second signal transmitters being coupled to the human body, wherein the first and second signal transmitters respectively generate high frequency signals having an opposite phase to each other, and the respective signal transmitters combine the audio signals and the high frequency signals to transmit the combined signals to the human body. The respective signal transmitters combine the generated audio signals and high frequency signals, adjust an output phase of the combined signals, and transmit the combined signals through the human body.Type: GrantFiled: December 7, 2005Date of Patent: June 5, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Sung-Eun Kim, Sung-Weon Kang, Chang-Hee Hyoung, Jin-Bong Sung, Jin-Kyung Kim, Duck-Gun Park, Chang-Kyu Kim
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Publication number: 20120128036Abstract: There are provided a receiver in human body communication system using multiple receivers capable of 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 a 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: ApplicationFiled: May 27, 2008Publication date: May 24, 2012Applicant: 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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Publication number: 20120105285Abstract: An apparatus for estimating an angle of arrival includes: a plurality of direction synthesizing units shifting the phase of each of a plurality of signals received by an array antenna such that the angle of arrival of each of the received signals is changed by a predetermined change angle; and an estimation unit estimating the angle of arrival of the received signal by using radiation gains of two phase-shifted signals among the signals phase-shifted by the plurality of direction synthesizing units.Type: ApplicationFiled: October 6, 2011Publication date: May 3, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kyung Hwan Park, Sung Weon Kang, Seok Bong Hyun, Tae Young Kang, Byoung Gun Choi, Chang Hee Hyoung, Jung Hwan Hwang, Sung Eun Kim
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Patent number: 8165522Abstract: Provided are a method, apparatus and system for providing a touch and play (TAP)-based service.Type: GrantFiled: December 5, 2006Date of Patent: April 24, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Duck-Gun Park, Sung-Weon Kang, Chang-Hee Hyoung, Jin-Bong Sung, Jung-Hwan Hwang, Jin-Kyung Kim
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Patent number: 8165236Abstract: Provided is a human body communication method using a multi-carrier modulation method, in which users do not interfere with each other in an environment with several users, and stable communication is possible when users are exposed to strong interference generated at other electronic devices. Also, provided are a multi-carrier modulation method, in which data between communication devices connected to a human body used as a channel is divided into a plurality of sub-channels and the data is transmitted by loading it on each of a plurality of sub-carrier signals, and a multi-connection method using the multi-carrier modulation method. The plurality of sub-channels having a predetermined bandwidth include several sub-carriers, and by changing a modulation method applied to the sub-carriers, stable communication can be realized.Type: GrantFiled: April 20, 2007Date of Patent: April 24, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Chang-Hee Hyoung, Sung-Weon Kang, Jung-Hwan Hwang, Duck-Gun Park, Jin-Kyung Kim, Jin-Bong Sung
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Publication number: 20120086602Abstract: A beam forming apparatus includes: a receiver including a plurality of digital phase shifters configured to estimate an angle of arrival (AOA) of a received signal; and a transmitter including a plurality of analog phase shifters configured to perform phase shift based on the estimated AOA or a designated angle of orientation.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kyung Hwan Park, Sung Weon Kang, Kyungsoo Kim, Jung Bum Kim, In Gi Lim, Chang Hee Hyoung, Byoung Gun Choi, Jung Hwan Hwang, Tae Young Kang, Hyung-Il Park, Sung Eun Kim, Tae Wook Kang
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Publication number: 20120086285Abstract: An apparatus for harvesting energy from an electromagnetic field include an interface unit and a rectifier circuit. The interface unit obtains signals induced in a human body in electronic devices. The rectifier circuit rectifies an AC signal inputted from the interface unit and converts the inputted AC signal into DC power. Accordingly, it is possible to obtain desired power without additional exposure of an electromagnetic field to a human body or surroundings of the human body.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Chang Hee HYOUNG, Sung Weon Kang, Tae Young Kang, Jung Hwan Hwang, In Gi Lim, Hyung-Il Park, Tae Wook Kang, Kyungsoo Kim, Jung Bum Kim, Sung Eun Kim, Kyung Hwan Park, Byoung Gun Choi, Jin Kyung Kim
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Publication number: 20120044057Abstract: The pairing method of first and second devices each having a communication function using a millimeter wave band, includes: determining, by the first device, whether or not the a security code of the second device has been registered; when the first device determines that the security code of the second device has been registered, transmitting, by the first device, an activation command instructing the second device to perform millimeter wave band communication, a device ID, and the security code of the second device to the second device through RFID communication; and when the first device receives a message indicating that the second device is ready for millimeter wave band communication from the second device, activating, by the first device, an element for performing communication using the millimeter wave band.Type: ApplicationFiled: December 16, 2010Publication date: February 23, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Tae Young KANG, Seong Su PARK, Sung Weon KANG, Seok Bong HYUN, Kyung Hwan PAKR, Byong Gun CHOI, Chang Hee HYOUNG, Jung Hwan HWANG, Sung Eun KIM
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Publication number: 20120003929Abstract: Provided is a communication apparatus having a human body contact sensing function and method. The apparatus includes: an electrode that comes in contact with the human body; a contact sensor coupled to the electrode that instructs the CPU to perform an initial operation if contact with the human body is sensed; and a data processing unit that receives a control signal from the CPU to select whether to transmit or receive data, and performs a transmitting or receiving operation according to the control signal. To reduce power consumption in a stand-by state before body contact is made when using a human body as a communication medium, a human body contact sensor is included to minimize power consumption of a micro processing unit and a transmitter/receiver circuit until contact occurs. Minimizing power consumption when in a stand-by mode by using a contact sensor with low power consumption extends stand-by time.Type: ApplicationFiled: September 14, 2011Publication date: January 5, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Chang-Hee Hyoung, Jin-Bong Sung, Sung-Weon Kang, Jung-Hwan Hwang, Duck-Gun Park, Jin-Kyung Kim, Sung Eun Kim, Tae Wook Kang
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Patent number: 8054159Abstract: Provided is a communication apparatus having a human body contact sensing function and a method thereof. The communication apparatus includes: an electrode that comes in contact with the human body; a contact sensor that is connected to the electrode, and instructs the central processing unit to perform an initial operation if contact with the human body is sensed; and a data processing unit that receives a control signal from the central processing unit so as to select whether to transmit or receive data, and performs a transmitting or receiving operation according to the control signal. Accordingly, in order to reduce power consumption when in a stand-by state before human body contact is made in a communication apparatus using a human body as a communication medium, a human body contact sensor is included so as to minimize power consumption of a micro processing unit and a transmitter/receiver circuit until contact occurs.Type: GrantFiled: December 6, 2006Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Chang-Hee Hyoung, Jin-Bong Sung, Sung-Weon Kang, Jung-Hwan Hwang, Duck-Gun Park, Jin-Kyung Kim
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Patent number: 8049553Abstract: Provided is a high-voltage complementary metal-oxide semiconductor (CMOS) charge pump. The high-voltage CMOS charge pump includes a first Dickson charge pump for doubling a supply voltage based on an input clock signal and a complementary input clock signal with reversed phases to each other; a level shifter for doubling voltage levels of the input clock signal and the complementary input clock signal based on an output signal and a complementary output signal of the first Dickson charge pump as power sources, to thereby output a doubled-output clock signal and a doubled-output clock signal; and a second Dickson charge pump for doubling voltage levels of the output signal and the complementary output signal based on the doubled-output clock signal and the doubled-complementary output clock signal from the level shifter.Type: GrantFiled: May 21, 2008Date of Patent: November 1, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Sung-Eun Kim, Jin-Kyung Kim, Chang-Hee Hyoung, Sung-Weon Kang
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Publication number: 20110250837Abstract: There is provided a communications system and method using a part of human body as an antenna in a body area network, and more particularly, to a communications system and method enabling wireless communications using a low frequency band without the use of a bulky antenna in such a manner that a transmitting-side communications device applies electrical signals to a human body via a transmitting-side coupler to allow a part of human body to act as an antenna, and electrical signals, occurring in another part of human body due to radio frequency (RF) signals, are transferred to a receiving-side communications device via a receiving-side coupler.Type: ApplicationFiled: December 3, 2009Publication date: October 13, 2011Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jung-Hwan Hwang, 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, Byoung-Gun Choi, Tae-Young Kang, Sung-Weon Kang
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Publication number: 20110213743Abstract: An apparatus for realizing a three-dimensional (3D) neural network includes a culture substrate (21) having a 3D structure and a plurality of microelectrodes (22) disposed on the culture substrate (21) in such a manner that neurons are cultured with a 3D structure. The central portion of the culture substrate (21) is shaped in a hemispheric form and a peripheral portion is shaped in a planar form. A plurality of outside connection electrodes (23) are disposed on the peripheral portion so as to be connected to an external device, and a plurality of electrode-connecting lines (24) connecting the microelectrodes (22) to the outside connection electrodes (23) are disposed on the culture substrate (21) as well.Type: ApplicationFiled: May 13, 2009Publication date: September 1, 2011Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Byoung-Gun Choi, Sung-Weon Kang, Seok-Bong Hyun, Tae-Young Kang, Tae-Wook Kang, Kyung-Soo Kim, Sung-Eun Kim, Jung-Bum Kim, JIn-Kyung Kim, Jung-Hwan Hwang, Kyung-Hwan Park, Hyung-Il Park, In-Gi Lim, Chang-Hee Hyoung
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Publication number: 20110200208Abstract: Provided are an apparatus and method for transmitting sound through a nonlinear medium. The apparatus includes a pre-distorter for previously distorting a sound signal to compensate for distortion to be caused by a frequency characteristic of the nonlinear medium in a transmission process of the sound signal, a sigma-delta modulator for modulating the pre-distorted sound signal into a signal having two signal levels, a high-frequency modulator for multiplying the modulated signal by a carrier wave having a higher frequency than an audio frequency band to shift the modulated signal to a carrier frequency band and generate a high-frequency modulated signal, and a transmitter for converting the high-frequency modulated signal into a sound wave signal suited to be transmitted through the nonlinear medium and transmitting the sound wave signal.Type: ApplicationFiled: September 25, 2008Publication date: August 18, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Jae Hoon Shim, Sung Weon Kang, Sung Eun Kim, Jung Hwan Hwang, Chang Hee Hyoung, Jin Kyung Kim, In Gi Lim, Hyung Il Park, Kyung Soo Kim, Jung Bum Kim, Tae Wook Kang, Ki Hyuk Park
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Publication number: 20110182447Abstract: A provided a human body sound transmission apparatus includes: a processing unit processing an audio signal of an audio frequency band including data desired to be transmitted, an audio high frequency signal obtained by combining the audio signal and a first high frequency signal, and a second high frequency signal; and a transmission unit receiving a signal obtained by combining the audio high frequency signal and the second high frequency signal from the processing unit and transmitting the received signal by using a human body as a medium, wherein the audio high frequency signal and the second high frequency signal are combined to be transmitted by using the single transmission unit.Type: ApplicationFiled: January 20, 2011Publication date: July 28, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Sung Eun KIM, Jung Hwan Hwang, Tae Wook Kang, Sung Weon Kang, Tae Young Kang, Kyung Soo Kim, Jung Bum Kim, Jin Kyung Kim, Kyung Hwan Park, Hyung II Park, In Gi Lim, Byoung Gun Choi, Chang Hee Hyoung, Seok Bong Hyun
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Publication number: 20110153118Abstract: Disclosed are a telematics system using human body communication, a portable device having a telematics function using human body communication, and a method for providing a telematics service using human body communication. The telematics system using human body communication includes: a vehicle receiving an authentication key from at least one portable device through human body communication using a human body as a medium, and controlling the opening and closing of a door of the vehicle based on whether or not the received authentication key is valid; and a first portable device transmitting a first authentication key through a user's body in contact with the vehicle.Type: ApplicationFiled: November 19, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: In Gi LIM, Sung Weon Kang, Hyung Il Park, Chang Hee Hyoung, Jung Hwan Hwang, Tae Wook Kang, Kyung Soo Kim, Jung Bum Kim, Sung Eun Kim, Seok Bong Hyun, Kyung Hwan Park, Byoung Gun Choi, Tae Young Kang
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Publication number: 20110154413Abstract: Disclosed is a system for providing multimedia data using human body communication in transportation capable of improving user convenience in transportation and providing various multimedia data. The system for providing multimedia data using human body communication in transportation includes: a multimedia data providing device converting multimedia data into a signal available for human communication and transmitting the converted signal to one or more of conductive units installed within transportation; and a human body communication device receiving the multimedia data through a user's body brought into contact with the one or more conductive units and executing the received multimedia data.Type: ApplicationFiled: November 22, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Kyung Hwan PARK, Sung Weon Kang, In Gi Lim, Kyung Soo Kim, Jung Bum Kim, Seok Bong Hyun, Tae Young Kang, Tae Wook Kang, Hyung Il Park, Sung Eun Kim, Byoung Gun Choi, Chang Hee Hyoung, Jung Hwan Hwang
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Publication number: 20110151785Abstract: An electronic apparatus having a control function using human body communication includes: a first control unit reading control data and performing a control to provide the read control data; a first human body communication unit converting the control data into a signal, which is transmittable through human body communication, according to a control signal outputted from the first control unit; an electrode installed in an outer housing of the electronic apparatus and transmitting the signal provided from the first human body communication unit to a user's body which comes into contact with the electronic apparatus; and a first storage unit storing the control data.Type: ApplicationFiled: November 19, 2010Publication date: June 23, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Byoung Gun CHOI, Sung Eun Kim, Sung Weon Kang, Jung Hwan Hwang, Tae Young Kang, Tae Wook Kang, Kyung Soo Kim, Jung Bum Kim, Kyung Hwan Park, Hyung Il Park, In Gi Lim, Seok Bong Hyun, Chang Hee Hyoung
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Publication number: 20110148640Abstract: 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: ApplicationFiled: November 19, 2010Publication date: June 23, 2011Applicant: 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 II Park, In Gi Lim, Byoung Gun Choi, Seok Bong Hyun, Chang Hee Hyoung