Patent application number | Description | Published |
20090267735 | FINGERPRINT AUTHENTICATION METHOD IN HUMAN BODY COMMUNICATION - There is provided a fingerprint authentication method in human body communication capable of transmitting/receiving data through the fingerprint authentication. The fingerprint authentication method in human body communications is capable of classifying data about two users, which carry about a human body communication equipment, into disclosure information, protection and security information according to a predetermined security level and allowing the two users to communicate the data through contact with the human skin in the human body communication environment using a human body as a communication medium, wherein the protection and security information each having a high protection level are transmitted/received after exchanging fingerprint information and conducting the fingerprint authentication. | 10-29-2009 |
20100040114 | INTRA-BODY COMMUNICATION SYSTEM FOR HIGH-SPEED DATA TRANSMISSION - Provided is an intra-body communication system which enables high-speed data transmission while limiting the frequency band of a signal being transmitted through a human body to a frequency range (e.g., 30-40 MHz) where the human body can maintain waveguide properties and enables stable intra-body communication by minimizing interference by other users or other electronic devices. A transceiver of the intra-body communication system for high-speed data transmission includes: a source encoder for encoding source information to digital transmission data; a channel error prevention unit for inserting a redundant bit to the encoded transmission data; a mapper for symbolizing the transmission data outputted from the channel error prevention unit; a spreader for performing spread spectrum on the symbolized transmission data in a frequency domain; and a pulse shaping and modulator for generating a baseband signal with a band range limited to a frequency range where the human body retains waveguide properties. | 02-18-2010 |
20100045446 | RFID SYSTEM USING HUMAN BODY COMMUNICATION - An a Radio Frequency Identification (RFID) system using human body communication includes a first electrode pad receiving a signal of a reader transmitted through a human body, or outputting an output signal to the human body, a rectifier rectifying the signal of the reader to generate a direct current (DC) voltage, a power manager changing the DC voltage into an operation voltage, a modulator/demodulator demodulating the signal of the reader, or modulating the output signal of the tag to transfer the modulated signal to the first electrode pad, a digital controller performing a read or write operation in response to the signal of the reader demodulated by the modulator/demodulator, and a memory storing identification information of the tag and information according to an operation result of the digital controller. | 02-25-2010 |
20100060714 | DMB RECEIVING PORTABLE TERMINAL FOR HUMAN BODY COMMUNICATION, DMB TRANSMITTING METHOD THEREOF, AND HMD APPARATUS AND METHOD FOR DMB RECEPTION USING HUMAN BODY COMMUNICATION - Provided are a DMB receiving portable apparatus for human body communication, a DMB transmitting method thereof, and an HMD apparatus and method for DMB reception using human body communication. The digital multimedia broadcasting (DMB) receiving portable apparatus for human body communication includes: a DMB receiver adapted to perform DMB Rx signal processing on a DMB signal to convert the DMB signal into an audio/video signal, and transmit to a transmission electrode an intermediate frequency (IF) band broadcast signal or a transmission stream (TS) generated in the DMB Rx signal processing; and the transmission electrode adapted to apply the IF band broadcast signal or the TS to the human body as a DMB signal for human body communication. | 03-11-2010 |
20100094159 | APPARATUS FOR TRANSMITTING REFERENCE SIGNALS FOR MEASURING PHASE RESPONSE CHARACTERISTIC OF HUMAN BODY, AND PHASE RESPONSE CHARACTERISTIC MEASURING SYSTEM AND METHOD EMPLOYING THE SAME - Provided are an apparatus for transmitting reference signals for measuring the phase response characteristic of a human body in human body communication, and a system and method for measuring the phase response characteristic of a human body using the same. The apparatus including: a signal generator for generating reference signals for measuring the phase response characteristic of a human body; a signal distributor for distributing the generated reference signals to a transmitting electrode and a frequency converter; the transmitting electrode for applying the reference signals distributed by the signal distributor to a human body; the frequency converter for converting the frequency of the reference signals distributed by the signal distributor into a frequency different from a frequency of a reference signal applied to the human body via the transmitting electrode; and a radio antenna for wirelessly transmitting the frequency-converted reference signal to a free space. | 04-15-2010 |
20100119080 | HUMAN BODY SOUND TRANSMISSION SYSTEM AND METHOD USING SINGLE SOUND SOURCE - Provided are a human body sound transmission system and a method using single sound source. The human body sound transmission system includes a first transmission block for transmitting a combined signal of a first high frequency signal and a sound signal through a human body; and a second transmission block for transmitting a second high frequency signal having the same frequency as the first high frequency signal through the human body, to thereby recover the sound signal by destructing interference in a ear region of a user. | 05-13-2010 |
20100136906 | APPARATUS AND METHOD FOR CONTROLLING HUMAN BODY CONTACT OF GROUND ELECTRODE, AND HUMAN BODY COMMUNICATION SYSTEM USING THE SAME - Provided are an apparatus and a method for controlling human body contact of ground electrode, and a human body communication system using the same. The apparatus includes a resistance measuring unit for applying a predetermined voltage to a human body through a signal electrode, to measure a resistance value between the signal electrode and the ground electrode; a contact control unit for determining whether the ground electrode needs to contact the human body by using the measured resistance value, to provide control information associated with human body contact; and a contact performing unit for bringing the ground electrode into contact or out of contact with the human body according to the control information. | 06-03-2010 |
20100141348 | LOW-POWER RELAXATION OSCILLATOR AND RFID TAG USING THE SAME - There is provided a low-power relaxation oscillator. The low-power relaxation oscillator may include: a constant current generation unit generating a current having a predetermined magnitude; a current varying unit controlling the current generated from the constant current generation unit according to a clock control signal to output the controlled current; a first controller and a second controller connected in parallel with output terminals of the current varying unit and passing or interrupting the current supplied from the current varying unit; a PMOS charging/discharging unit arranged between an output terminal of the first controller and an output terminal of the second controller; a first comparator and a second comparator connected to both ends of the PMOS charging/discharging unit, respectively, and each outputting a high or low level voltage upon receiving voltage charged in the PMOS charging/discharging unit; and a latch circuit delaying the voltages output from the first and second comparators to output oscillation signals. | 06-10-2010 |
20100147601 | POWERLESS ELECTRONIC NOTEPAD AND POWERLESS WIRELESS TRANSMISSION SYSTEM USING THE SAME - 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. | 06-17-2010 |
20100160467 | ORGANIC-INORGANIC HYBRID SCAFFOLDS WITH SURFACE-IMMOBILIZED NANO-HYDROXYAPATITE AND PREPARATION METHOD THEREOF - Provided are an organic-inorganic hybrid scaffold with surface-immobilized nano-hydroxyapatite, and a method for the fabrication thereof. The scaffold is fabricated by reacting an acid group present on a surface of nano-hydroxyapatite with a primary amine present on a surface of a polymer support in the presence of EDC (1-ethyl-3-dimethylaminopropyl carbodiimide) to immobilize nano-hydroxyapatite onto the surface of the polymer support. The surface of nano-hydroxyapatite is previously grafted with poly(ethylene glycol methacrylate phosphate) (PolyEGMP) having phosphonic acid functionality or with a polymer having carboxylic acid functionality. | 06-24-2010 |
20100171562 | APPARATUS AND METHOD FOR MODULATION AND DEMODULATION USING FREQUENCY SELECTIVE BASEBAND - Provided are modulation and demodulation methods and apparatuses using a frequency selective baseband. The frequency modulation method includes: generating a plurality of subgroups by dividing 2N (N is a real number) spread codes used for frequency spreading into 2M (M07-08-2010 | |
20100197225 | METHOD AND APPARATUS FOR COMMUNICATING SOUND WAVE OF HUMAN BODY - 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. Thus, it is possible to simply construct communication hardware at a low price. | 08-05-2010 |
20100234756 | HUMAN BODY COMMUNICATION APPARATUS - There is provided a human body communication apparatus capable of performing communications through the contact with external devices (a central processing unit) and a human body. The human body communication apparatus includes a plurality of contact sensor units including a plurality of electrode contacted with a human body and having conductivity, and a plurality of electrostatic sensor units coupled to the electrodes to sense an electrostatic capacity changed through the contact with the human body and generate a contact signal using the sensed electrostatic capacity; a signal analyzer unit for analyzing the contact signal received from the contact sensor units; and a control signal generator unit for generating a control signal as the analysis result in the signal analyzer unit. Therefore, the human body communication apparatus may be useful to minimize the power consumption of modem for human body communication or transceiver circuits by recognizing predetermined patterns of the user so as to reduce the unnecessary power consumption when the communication input/output apparatus, particularly a mobile device, using a human body as a medium is in contact with the device for the purpose of other uses other than the human body communications, and to minimize the power consumption to extend the standby time of the mobile devices. | 09-16-2010 |
20100244935 | HIGH-VOLTAGE CMOS CHARGE PUMP - 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-complementary 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. | 09-30-2010 |
20100246643 | SYSTEM AND METHOD FOR HUMAN BODY COMMUNICATION USING LIMITED PASSBAND - 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. | 09-30-2010 |
20100272156 | HUMAN BODY COMMUNICATION SYSTEM AND COMMUNICATION METHOD THEREOF - 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. | 10-28-2010 |
20100272159 | FREQUENCY SELECTIVE DIGITAL TRANSMISSION APPARATUS - 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. | 10-28-2010 |
20100274083 | HUMAN BODY COMMUNICATION SYSTEM AND METHOD - There is provided a human body communication system including: a wireless capsule injected into the body to acquire image information of the interior of the body and transmitting a signal with respect to the acquired information to the outside of the body from the inside of the body by using an electrode; and a portable data recorder performing, from the outside of the body, RF communication with the wireless capsule by the medium of the body, receiving the signal transmitted from the wireless capsule through an electrode in contact with the human body, processing the received signal into RF data, and storing the RF data. | 10-28-2010 |
20100290511 | ADAPTIVE FREQUENCY SELECTIVE BASEBAND COMMUNICATIONS METHOD USING ORTHOGONAL CODES - An adaptive frequency selective baseband communications method using orthogonal codes includes: a communications testing step of performing communications by using one of a plurality of codes each having a different frequency band; a proper code selecting step of selecting a proper code by using a correlation value of a plurality of codes included in test data transmitted in the communications testing step; a communications performing step of performing communications by using the proper code; and a feedback step of newly selecting a proper code by using the correlation value of the plurality of codes included in the test data transmitted in the communications performing step if a pre-set time duration has lapsed or if a reception error of more than a pre-set reference occurs, and performing the communications performing step again, wherein the test data transmitted in the communications testing step and the communications performing step includes a plurality of codes each having a different frequency band. | 11-18-2010 |
20100314921 | CHAIR AND MULTIMEDIA PLAYER COMPRISING SOUND TRANSMISSION APPARATUS PERFORMING HUMAN-BODY COMMUNICATIONS - There is provided a chair and multimedia player comprising a sound transmission apparatus performing human-body communications. The chair and multimedia player comprise at least one sound transmission apparatus, wherein the sound transmission apparatus is disposed in a surface of the chair and multimedia player to allow a user to hear a sound signal when the user is in contact with or adjacent to the surface, and the sound transmission apparatus generates a composite signal including a sound signal and a demodulation signal restoring only the sound signal from the composite signal and outputs the generated composite signal and demodulation signal into a human body in order to restore the sound signal within the vicinity of the ears of the user. | 12-16-2010 |
20100318420 | APPARATUS AND METHOD FOR PROVIDING MEDIA ADVERTISEMENT SERVICE USING HUMAN BODY COMMUNICATION - There is provided an apparatus for providing a media advertisement service using human body communication, including: conductive contact part for contact with a human body; a control part configured to detect human body contact of a user with the conductive contact part and acquire user-contact-associated contents, the user-contact-associated-contents being contents associated with an advertisement selected by the human body contact of the user; and a human body communication part configured to convert the acquired user-contact-associated contents into a signal for human body communication and send the signal to a user terminal via the conductive contact part and a user's body. | 12-16-2010 |
20100322290 | MODULATION AND DEMODULATION APPARATUS USING FREQUENCY SELECTIVE BASEBAND AND TRANSMISSION AND RECEPTION APPARATUS USING THE SAME - 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 2 | 12-23-2010 |
20100329380 | METHOD FOR SELECTING ADAPTIVE FREQUENCY BASEBAND OF WALSH CODES, ADAPTIVE FREQUENCY-SELECTIVE SPREADER USING THE SAME AND TRANSMITTING AND RECEIVING APPARATUS USING THE ADAPTIVE FREQUENCY-SELECTIVE SPREADER - There is provided a human body communication method and system using a frequency-selective baseband in order to transmit and receive data between communication devices that are coupled to a human body by using the human body as a communication channel. The human body communication method and system may be useful to maximize an efficiency of the frequency-selective spreading technology to enhance a processing gain of the Walsh code technology, and thus to reduce the interference between human bodies of users by adaptively selecting a frequency band of Walsh codes that are used for data communications according to the human body channel characteristics and the noise environments that are varied according to the ambient environments, and also construct a low-power and stable human body communication when there is a strong interference induced from other electronic equipments. | 12-30-2010 |
20110006926 | TRAINING APPARATUS AND METHOD BASED ON MOTION CONTENT - A training apparatus based on motion content includes a plurality of motion detecting sensors ( | 01-13-2011 |
20110007844 | APPARATUS FOR FREQUENCY MODULATING AND DEMODULATING OF FREQUENCY SELECTIVE BASEBAND WITH GAIN OF FREQUENCY DIVERSITY, AND APPARATUS FOR TRANSMITTING AND RECEIVING USING FOR THIS - Provided are a frequency modulation/demodulation apparatus using a frequency selective baseband and a transmitting/receiving apparatus using the same. In a frequency selective baseband transmission technique or an FS-CDMA technique, a transmission rate is controlled according to communication channel environment, spread code groups are repeatedly selected in a receiving side so as to obtain a frequency diversity gain. Accordingly, it is possible to reduce interference between users. In addition, even in a case where strong interference induced from electronic exists, it is possible to implement low-power, stable human-body communication and to ensure a communication quality. | 01-13-2011 |
20110019717 | HUMAN BODY COMMUNICATION APPARATUS FOR NON-CONTACT COMMUNICATIONS AND HUMAN BODY COMMUNICATION METHOD FOR NON-CONTACT COMMUNICATIONS IN THE SAME USING FREQUENCY SELECTIVE BASEBAND - 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. | 01-27-2011 |
20110026741 | HUMAN BODY SOUND TRANSMISSION SYSTEM AND METHOD FOR TRANSMITTING A PLURALITY OF SIGNALS - There are provided a human body sound transmission system and a method. The human body sound transmission system according to an aspect of the present invention directly or indirectly contacts a human body to apply coupled signals of high frequency sound signals with high frequency signals, which recover sound signals from the high frequency sound signals, to the human body and transmit the sound signals using the human body as a transmission medium, wherein a magnitude of the sound signals recovered around a human's ear is increased in proportion to the number of signals transmitted through the human body by transmitting the plurality of signals including the same sound signals through the human body. | 02-03-2011 |
20110029825 | APPARATUS AND METHOD FOR SYMBOL ERROR CORRECTABLE MODULATION AND DEMODULATION USING FREQUENCY SELECTIVE BASEBAND - Provided are symbol-error-correctable modulation and demodulation methods and apparatuses using a frequency selective baseband. The symbol-error-correctable frequency modulation method using a frequency selective baseband, includes: generating a plurality of subgroups by dividing 2N (N is a real number) spread codes or orthogonal codes used for frequency spreading into 2M (M02-03-2011 | |
20110033068 | HUMAN BODY SOUND TRANSMISSION APPARATUS AND METHOD FOR MINIMIZING SIGNAL LOSS - 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. | 02-10-2011 |
20110040492 | SYSTEM AND METHOD FOR MEASURING PHASE RESPONSE CHARACTERISTIC OF HUMAN-BODY IN HUMAN-BODY COMMUNICATION - There is provided a system and a method for measuring phase response characteristic of a human body in human-body communication. The system and method may be useful to measure phase response characteristic of the human body without forming a common ground line between a reference signal transmitter and a reference signal receiver by transmitting a first reference signal through the human body and transmitting a second reference signal through the optical cable. | 02-17-2011 |
20110058591 | FREQUENCY SELECTIVE MODULATING APPARATUS AND METHOD USING RE-SPREADING CODE - A frequency selective modulation apparatus and method using re-spreading codes are disclosed. The frequency selective modulation apparatus includes: a serial-to-parallel converter receiving transmission data and performing serial-to-parallel conversion on the transmission data at a pre-set ratio; one or more sub-frequency selective spreaders selecting one spreading code by using data bits received from the serial-to-parallel converter; a majority value selection unit selecting a majority value from one or more spreading codes which have been selected by each of the one or more of the sub-frequency selective spreaders; and a first XOR logic circuit XORing an output of the majority value selection unit and a re-spreading code Wn to re-spread a frequency selective baseband to a frequency selective passband. | 03-10-2011 |
20110058615 | PREAMBLE GENERATING APPARATUS AND METHOD FOR DIGITAL DIRECT TRANSMISSION SYSTEM - A preamble generating apparatus and method for a digital direct transmission system are disclosed. The preamble generating apparatus for a digital direct transmission system includes: a pseudo-noise (PN) code generation unit generating a PN code; a line coder performing line coding on the PN code received from the PN code generation unit; and a spreading coder performing spread coding on the line-coded PN code received from the line coder. | 03-10-2011 |
20110059692 | COMMUNICATIONS DEVICE USING NEAR FIELD - A communications device using a near field includes: a near field signal providing unit providing one of a baseband signal and a signal obtained by applying digital modulation to the baseband signal, as a near field signal; an interface unit transmitting and receiving the provided near field signal; and a controller controlling the near field signal providing unit and the interface unit. A low data transfer rate of the related art near field communications can be overcome. Namely, various services can be provided by using a high data transfer rate. In particular, near field communications and a network configuration and data communications performed through the existing wireless network can be implemented as a single combined technique. In addition, power supply and communications can be simultaneously provided effectively by sharing an interface of an electrical coupling and a magnetic coupling. | 03-10-2011 |
20110064161 | FREQUENCY SELECTIVE TRANSMISSION APPARATUS - There is provided a frequency selective transmission apparatus. The frequency selective transmission apparatus includes: a preamble generating unit that generates a preamble for frame synchronization; an SFD/RI generating unit that generates a start frame delimiter/rate indicator (SFD/RI) having a function of an indicator to announce the start of the frame and a function to define the transmission rates of a header field or header and data fields; a header generating unit that generates a header including attribute information on transmission data; a data generating unit that has a predetermined processing gain and transmits digital data at a desired frequency band; a pilot generating unit that generates a pilot inserted into the frame for frequency offset compensation; a multiplexer that receives and multiplexes outputs from the preamble generating unit, the SFD/RI generating unit, the header generating unit, the data generating unit, and the pilot generating unit, respectively; and a signal electrode that transmits the output from the multiplexer into a human body. | 03-17-2011 |
20110085505 | METHOD FOR PRODUCING COMMUNICATION FRAME OF BODY AREA NETWORK AND COMMUNICATION NETWORK OF BODY AREA NETWORK USING THE SAME - A method for generating a communication frame of a body area network, includes: recognizing the number of terminals existing within a predetermined area; allocating an individual frame to be used by each of the terminals existing within the predetermined area according to the recognized number of terminals; and allocating a coexistence frame to be transmitted to every terminal existing within the predetermined area according to the recognized number of terminals. | 04-14-2011 |
20110123032 | SINGLE SOUND TRANSMISSION APPARATUS USING HUMAN BODY COMMUNICATON - Provided is a single sound transmission apparatus using human body communication. The single sound transmission apparatus includes a sound signal generator generating a sound signal of an audio frequency band, a high frequency signal generator generating a high frequency signal having a higher frequency than the audio frequency band, a signal combiner generating a combined signal by combining the sound signal with the high frequency signal, and a signal transmitter varying a phase difference between the combined signal outputted from the signal combiner and the high frequency signal outputted from the high frequency signal generator, and outputting the combined signal and the high frequency signal together to a human body, in order to leave only the sound signal through destructive interference of the high frequency signal of the combined signal, wherein the destructive interference is generated in an ear area of the human body. | 05-26-2011 |
20110148640 | CRIME PREVENTION SYSTEM USING HUMAN BODY COMMUNICATION AND CRIME PREVENTION METHOD USING HUMAN BODY COMMUNICATION - 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. | 06-23-2011 |
20110148652 | WALKING GUIDANCE APPARATUS USING HUMAN BODY COMMUNICATION - A walking guidance apparatus using human body communication, including: a first human body communication device acquiring a walking guidance information signal, converting the acquired walking guidance information signal into a signal available for human body communication, and transmitting the converted signal through a user's body; and a second human body communication device receiving the signal transmitted through the user's body from the first human body communication device, converting the received signal into a signal that can be recognized by the user, and outputting the converted signal. Walking guidance information having a high privacy function and high stability and accuracy can be provided to enhance user convenience. | 06-23-2011 |
20110151785 | ELECTRONIC APPARATUS HAVING CONTROL FUNCTION USING HUMAN BODY COMMUNICATION AND PORTABLE TERMINAL HAVING ELECTRONIC APPARATUS CONTROL FUNCTION USING HUMAN BODY COMMUNICATION - 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. | 06-23-2011 |
20110153118 | TELEMATICS SYSTEM USING HUMAN BODY COMMUNICATION, PORTABLE DEVICE HAVING TELEMATICS FUNCTION USING HUMAN BODY COMMUNICATION, AND METHOD FOR PROVIDING TELEMATICS SERVICE USING HUMAN BODY COMMUNICATION - 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. | 06-23-2011 |
20110154413 | SYSTEM FOR PROVIDING MULTIMEDIA DATA USING HUMAN BODY COMMUNICATION IN TRANSPORTATION - 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. | 06-23-2011 |
20110154485 | AUTHENTICATION APPARATUS USING HUMAN BODY COMMUNICATION, PORTABLE DEVICE HAVING AUTHENTICATION FUNCTION USING HUMAN BODY COMMUNICATION, AND AUTHENTICATION METHOD USING HUMAN BODY COMMUNICATION - Disclosed are an authentication apparatus using human body communication capable of improving the security and convenience of user authentication by using human body communication, a portable device having authentication function using human body communication, and an authentication method using human body communication. In the authentication method using human body communication, an authentication device acquires user biometric information and provides the acquired biometric information to a portable device by using human body communication. The portable device then compares the acquired biometric information with previously stored biometric information, and when the acquired biometric information and the previously stored biometric information are identical, the portable provides authentication information to the authentication device. Upon receiving the authentication information, the authentication device performs an authentication procedure based on the authentication information. Thus, security and user convenience can be improved, and an authentication can be quickly performed. | 06-23-2011 |
20110182447 | HUMAN BODY SOUND TRANSMISSION APPARATUS - 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. | 07-28-2011 |
20110200208 | APPARATUS AND METHOD FOR TRANSMITTING SOUND THROUGH NONLINEAR MEDIA - 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. | 08-18-2011 |
20110213743 | APPARATUS FOR REALIZING THREE-DIMENSIONAL NEURAL NETWORK - An apparatus for realizing a three-dimensional (3D) neural network includes a culture substrate ( | 09-01-2011 |
20110250837 | COMMUNICATIONS SYSTEM AND METHOD USING A PART OF HUMAN BODY AS AN ANTENNA IN A BODY AREA NETWORK - 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. | 10-13-2011 |
20120044057 | PAIRING METHOD OF DEVICE USING MILIMETER WAVE BAND AND DEVICE FOR PERFORMING THE SAME - 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. | 02-23-2012 |
20120086285 | APPARATUS FOR HARVESTING ENERGY FROM ELECTROMAGNETIC FIELD - 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. | 04-12-2012 |
20120086602 | HYBRID BEAM FORMING APPARATUS IN WIDEBAND WIRELESS COMMUNICATION SYSTEM - 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. | 04-12-2012 |
20120105285 | APPARATUS AND METHOD FOR ESTIMATING ANGLE OF ARRIVAL IN REAL TIME - 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. | 05-03-2012 |
20120128036 | RECEIVER AND METHOD FOR RECEIVING DATA IN HUMAN BODY COMMUNICATION SYSTEM USING MULTIPLE RECEIVERS - 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. | 05-24-2012 |
20120161575 | STACK-TYPE BETA BATTERY GENERATING CURRENT FROM BETA SOURCE AND METHOD OF MANUFACTURING THE SAME - 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. | 06-28-2012 |
20120162128 | TOUCH INPUT DEVICE AND ELECTROMAGNETIC-WAVE TRANSCEIVER USING THE SAME DEVICE - A touch input device includes: a transparent electrode includes: a plurality of unit electrodes; a switch configured to reconfigure an electrical connection state of the transparent electrode; and a controller configured to control the switch that reconfigures the electrical connection state of the transparent electrode. | 06-28-2012 |
20120164959 | APPARATUS AND METHOD FOR TRANSMITTING MULTI MILLIMETER WAVE - Provided is an apparatus and method for transmitting a multi millimeter wave, which can minimize signal interference and crosstalk between devices using millimeter waves as transmission frequencies. The apparatus includes a scanner, a physical layer controller and a physical layer. The scanner searches for a peripheral communication environment. The physical layer controller selects a transmission mode from the physical layer based on the peripheral communication environment searched by the scanner. The physical layer has a plurality of transmission modes and outputs a millimeter wave to an outside through an antenna in the transmission mode selected under a control of the physical layer controller. | 06-28-2012 |
20120194541 | APPARATUS TO EDIT AUGMENTED REALITY DATA - Provided is a technique of allowing a user to store, edit, or create AR data provided from an AR service. An Augmented Reality (AR) editing apparatus includes: an image acquiring unit to acquire an image including at least one object; an object information data receiver to receive at least one piece of object information data; a storage management unit to selectively store the object information data; and an image creator to create an AR image using the image and the object information data. | 08-02-2012 |
20120201235 | TRANSMITTER, RECEIVER AND METHOD THEREOF IN HUMAN BODY COMMUNICATOIN SYSTEM - A receiver in a human communication system includes: receiving electrodes including a transmission frame including control frames and data frames; first and second switches connected with the receiving electrodes; a switching control unit controlling a switching of the first and second switches to selectively connect the receiving electrodes with the first and second switches in response to each control frame according to a predetermined rule every time each of the control frames is input; a signal processing unit performing signal processing on the transmission frame output from the first and second switches; a preamble detection unit detecting the first preamble from each of the control frames included in the signal-processed transmission frame to generate preamble correlation values for the first preamble; and a correlation value processing unit controlling the switching control unit to select pairs of final receiving electrodes among the receiving electrodes based on the preamble correlation values. | 08-09-2012 |
20120314883 | APPARATUS AND METHOD FOR TRANSMITTING HUMAN SOUND FOR REMOVING INTERFERENCE SIGNAL - Disclosed are an apparatus and a method for transmitting human sound that cancel an interference signal generated by a non-linear property of a human body around an ear by synthesizing and transmitting a sound signal modulated by a single side band (SSB) transmission method and a carrier to one output unit and by synthesizing and transmitting the sound signal modulated by the single side band (SSB) transmission method and a carrier in which a phase of a signal is transited to the other output unit, by using two signal output units in a sound transmitting apparatus. | 12-13-2012 |
20130003886 | METHOD FOR GENERATING AND DETECTING PREAMBLE, AND DIGITAL COMMUNICATION SYSTEM BASED ON THE SAME - 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. | 01-03-2013 |
20130034125 | METHOD AND APPARATUS FOR AMPLITUDE MODULATION OF SPREAD SIGNAL - 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. | 02-07-2013 |
20130069014 | CONDUCTIVE PASTE COMPOSITION FOR LOW TEMPERATURE FIRING - Disclosed is a conductive paste composition for low temperature firing, including conductive copper powder composed of flake powder, spherical powder and nano powder, a melamine-based binder, and an organic solvent, thus enabling the formation of a conductive wire having a high aspect ratio with high printability, and inexpensive formation of a metal wire, and exhibiting superior electrical properties and adhesive force even when conducting low temperature firing at 200° C. or less, so that the conductive paste composition can be usefully applied as a conductive material for forming electrodes of a variety of products such as solar cells, touch panels, printed circuit boards (PCBs), radio-frequency identification (RFID), plasma display panels (PDPs) and so on. | 03-21-2013 |
20130099676 | ENERGY HARVESTING DEVICE USING ELECTROMAGNETIC INTERFERENCE SIGNAL AND SENSOR SYSTEM INCLUDING THE SAME - Provided are an energy harvesting device capable of generating electric energy by effectively obtaining an electromagnetic wave emitted from an indoor lighting device and a power control system of a lighting device capable of performing self-power generation by using the energy harvesting device as a power source. The energy harvesting device using an electromagnetic wave according to an exemplary embodiment of the present disclosure includes: an interface unit made of a conductive material and configured to capture a conductive interference signal transferred through a conductive member of a lighting device; and a rectifier circuit unit configured to rectify the captured conductive interference signal to convert the rectified conductive interference signal to direct current power. | 04-25-2013 |
20130270915 | ELECTRIC POWER CONVERSION APPARATUS AND METHOD IN ENERGY HARVESTING SYSTEM - Disclosed are an electric power conversion apparatus and method in an energy harvesting system. In more detail, it is possible to obtain the maximum electric power from the plurality of energy sources by selecting the connection structure between the source terminals or the connection structure between the source terminals and the collection terminals using the electrical characteristic values (for example, open voltage, short current, and internal impedance) of each source and adjusting the load impedance in the selected connection structure in the energy harvesting system. | 10-17-2013 |