Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
20130208345 | ELECTROPHORESIS DISPLAY DEVICE AND PREPARATION METHOD OF THE SAME - The present invention relates to an electrophoretic display device that includes: first and second substrates separated from each other by a predetermined distance; first and second electrodes formed on one side of the first and second substrates, respectively, and disposed to face each other; a black pattern layer formed on the first electrode; a plurality of partition walls formed between the first and second electrodes, one side of the partition walls on the first electrode being in contact with or overlapped with the black pattern layer; and a slurry of charged white particles filled between the partition walls. The electrophoretic display device can exhibit a high contrast ratio and enhanced visibility to realize high-quality text. | 08-15-2013 |
20130264728 | METHOD FOR FABRICATING AN ELECTROPHORETIC DISPLAY DEVICE - The present description is directed to a method for fabricating an electrophoretic display device that includes: forming a partition wall on a first substrate; filling a charged particle slurry in a three-dimensional space sectioned by a photo-curable or thermosetting resin layer and a sealant defining an edge on the resin layer; and combining the first substrate and the photo-curable or thermosetting resin layer together to have the partition wall immersed in the charged particle slurry, which fabrication method minimizes the defective proportion of final products and provides an electrophoretic display device with a high contrast ratio and enhanced visibility to implement high-quality text. | 10-10-2013 |
20140063590 | ELECTROPHORETIC SLURRY COMPOSITION AND ELECTROPHORETIC DISPLAY DEVICE COMPRISING THE SAME - The present invention is directed to an electrophoretic slurry composition and an electrophoretic display device comprising the same, where the electrophoretic slurry comprises charged particles; polymer beads comprising an acryl- or vinyl-based repeating unit; and a fluid medium. Accordingly, the present invention has a high reactivity to a driving voltage, sustains images or text for a predetermined period of time or longer even when the driving voltage is switched off, and provides a high contrast ratio and enhanced visibility to implement high-quality text or images. | 03-06-2014 |