Patent application number | Description | Published |
20080259827 | Communication System Using Frequency According to Security or Transmission Distance - A communication system using a frequency determined according to information security protection or a transmission distance of a signal is provided. A local area communication requiring information security protection uses a frequency less than a predetermined frequency, and a local or wide area communication requiring no information security protection uses a frequency greater than predetermined frequency, thereby providing an effective communication environment based on information security protection, a communication distance, and communication characteristics satisfying frequency characteristics of a transmission medium, and accordingly increasing a communication field. | 10-23-2008 |
20080284607 | Communication Apparatus Having Human Body Contact Sensing Function and Method Thereof - 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. Therefore, since power consumption is minimized when in a stand-by mode by using a contact sensor having significantly low power consumption, there is an advantage in that a stand-by time of a portable device is extended. | 11-20-2008 |
20080294722 | Method and Apparatus for Providing Touch and Play (Tap) - Based Service and System Using the Method and Apparatus - Provided are a method, apparatus and system for providing a touch and play (TAP)-based service. The method includes setting respective device identifiers of a plurality of devices which can be connected to a device using an organism as a transmission channel and setting services to be provided to a user through the interaction between the device and each of the devices corresponding to the device identifiers, respectively; having at least two execution levels so that one of the at least two execution levels can be selected in order to determine whether to execute a service in cooperation with one of the devices and setting one of the at least two execution levels according to an input from a user; receiving a device identifier of another device if the device is connected to one of the devices using the organism as the transmission channel; recognizing services set for the other device and identifying a service that is to be provided to the user through the interaction between the device and the other device; determining whether to execute the identified service according to the set execution level; and automatically recognizing information required to provide the service that is determined to be executed in cooperation with the other device and executing the determined service. When the method, apparatus and the system are used, a user can receive a desired service by simply touching two devices. | 11-27-2008 |
20090103643 | HUMAN BODY COMMUNICATION METHOD USING MULTI-CARRIER MODULATION METHOD - 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. | 04-23-2009 |
20090233558 | COMMUNICATION DEVICE AND METHOD USING HUMAN BODY - A communication device and method using the human body are provided. The communication device determines an arrangement direction of signal electrodes and ground electrodes according to a signal transmission direction and whether the ground electrodes come into contact with the human body according to a transmission/receiving distance and then performs data communication with the other communication device connected to the human body for the purpose of efficient human body communication. | 09-17-2009 |
20100238955 | METHOD AND DEVICE FOR COMMUNICATING USING HUMAN BODY - A communication device and method is provided. The communication method using a human body includes modulating data, generating a first timing signal by using the modulated data, generating a wideband pulse with a short time interval on the basis of the first timing signal, and transmitting the wideband pulse through an electrode unit that contacts a human body. | 09-23-2010 |
20100322294 | HUMAN BODY COMMUNICATION DEVICE, HUMAN BODY COMMUNICATION SYSTEM AND METHOD USING THE SAME - A human body communication apparatus, a human body communication system, and a method using the same are provided. The communication apparatus is directly in contact with a human body and allows a small amount of current including a data signal to flow through the body so that information is communicated through the human body. | 12-23-2010 |
Patent application number | Description | Published |
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 |
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 |
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 |
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 |
Patent application number | Description | Published |
20080287061 | COMMUNICATION APPARATUS - The present invention provides a communication apparatus being in directly contact with a human body and using the human body as a transmission channel for data communication. The communication apparatus attached to the human body transmits a signal in the form of a current, receives a signal transmitted from another communication apparatus attached to the human body therethrough, and eliminates noise included in the received signal. In addition, the communication apparatus compares the noise-eliminated signal and a reference signal and recovers an original signal. Further, the communication apparatus generates a base-band signal and transmits the same through the human body. | 11-20-2008 |
20120003929 | COMMUNICATION APPARATUS HAVING HUMAN BODY CONTACT SENSING FUNCTION AND METHOD THEREOF - 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. | 01-05-2012 |
20140070981 | APPARATUS FOR TESTING PERFORMANCE OF SYNTHETIC APERTURE RADAR - An apparatus for testing the performance of a synthetic aperture radar is provided. The apparatus for testing the performance of a synthetic aperture radar includes: a three-axis motion platform that is coupled to an antenna and driven in roll, pitch, and yaw directions so as to reproduce motion components generated from a pointing plane of the antenna; a target simulator configured to reproduce a ground target; and a system simulator that allows the three-axis motion platform and the target simulator to work in conjunction with each other in real time, and controls the three-axis motion platform and the target simulator. Here, the three-axis motion platform may include a three-axis driver that determines the attitude of the three-axis motion platform, based on position and speed information received from the system simulator. The target simulator may include a target modulator that adjusts the amplitude of an output signal, performs range and phase delays, and reproduces a Doppler component, is based on simulation target information received from the system simulator. | 03-13-2014 |