Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |