Patent application number | Description | Published |
20090039960 | LOW POWER CONSUMING MIXED MODE POWER AMPLIFIER - Provided is a low power consuming mixed mode amplifier. The power amplifier includes: a low output amplifier circuit generating a power amplified result having high efficiency in a low output mode the most frequently used; a high output amplifier circuit generating an amplified result having | 02-12-2009 |
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 |
20100123558 | METHOD FOR MEASURING SPEED OF VEHICLE USING RFID, RFID READER FOR MEASURING SPEED OF VEHICLE, AND SYSTEM FOR COLLECTING VEHICLE INFORMATION USING THE SAME - A technique for simultaneously acquiring vehicle identification information and speed information of an RFID tag-attached vehicle by calculating the vehicle speed by using a Doppler shift value extracted from transmission and reception signals between the RFID tag and the RFID reader is disclosed. A method for measuring a vehicle speed by using an RFID reader installed right up on the road or at the roadside includes: transmitting a continuous wave; receiving a reflected wave with respect to the continuous wave from an RFID tag attached to a vehicle which has received the continuous wave; extracting a Doppler shift value from the continuous wave and the reflected wave; and calculating the speed of the vehicle by using the Doppler shift value. | 05-20-2010 |
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 |
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 |
20100273248 | SOLUTION BAG FOR APPARATUS FOR CHEMICALLY ANALYZING BLOOD - The present invention provides a solution bag that is used for medical treatment and stores solution used for an apparatus for analyzing blood chemistry that measures and analyzes the concentrations of electrolytes, the partial pressures of gases, and the concentrations of metabolites or the volume ratio of red blood cells contained in blood. The solution bag for an apparatus for analyzing blood chemistry of the present invention includes: a receptacle that contains a solution; a valve body that is attached to the receptacle and has a through-hole longitudinally formed therein; a valve spool that is disposed in the thorough-hole of the valve body; and a solution leakage preventing unit that is disposed in the valve spool, in which the valve body has a flow channel and a solution discharging pipe spaced at a predetermined distance from each other, and the solution leakage preventing unit of the valve spool includes a first blocking member that prevents the solution from leaking outside and a second blocking member that is spaced apart from the first blocking member and stops or allows the solution flow from the flow channel to the solution discharging pipe. | 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 |
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 |
20110195490 | CARTRIDGE FOR APPARATUS FOR CHEMICALLY ANALYZING BLOOD AND APPARATUS USING THE SAME - The present invention provides a cartridge for an apparatus for analyzing blood chemistry that is used for medical treatment, and automatically analyzes and records data needed for medical service, such as the concentrations of electrolytes, the partial pressures of gases, and the concentrations of metabolites, or the volume ratio of red blood cells contained in blood. The apparatus for analyzing blood chemistry of present invention includes: an apparatus frame having a compartment; a cartridge that is inserted into the compartment of the apparatus frame and includes a sensor card, a solution valve unit, and a blood introducing unit; a controller that receives a signal generated from the sensor card and processes the signal; a lever for the blood introducing unit is connected to the apparatus frame; a power transmitting unit that is provide to the apparatus frame and transmits power of the lever for the blood introducing unit to open/close the blood introducing unit of the cartridge; a solution transporting unit that is provided to the apparatus frame and transports the solutions in the cartridge; and driving units that actuates the solution valve unit of the cartridge by the controller and opens or close the tubing flowing of the solutions. | 08-11-2011 |
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 |
20120023191 | METHOD AND APPARATUS FOR SHARING CONTENT - A method and an apparatus for sharing content are provided. Information about at least one content is transmitted to an external device. Information about associated content that have been searched for by the external device based on the transmitted information about the at least one content is received from the external device. Content to share with a second user device are selected from among the associated content based on a predetermined condition. Information about the selected content is transmitted to the second user device. | 01-26-2012 |
20120056836 | METHOD AND APPARATUS FOR SELECTING REGION ON SCREEN OF MOBILE DEVICE - Provided are a method and apparatus for selecting a region on a screen of a device. The method includes recognizing a signal due to dragging from outside of the screen of the device, and determining a selection region based on a location where the drag is released. | 03-08-2012 |
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 |
20120089719 | METHODS AND APPARATUS FOR OBTAINING A SERVICE - Methods and apparatus are provided for obtaining a service is provided. Information about an external device is received at a terminal from the external device. It is determined whether the external device has been registered based on the information about the external device. Service information associated with the external device is provided when at least the external device has been registered. | 04-12-2012 |
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 |
20120166987 | METHOD FOR MOVING OBJECT BETWEEN PAGES AND INTERFACE APPARATUS - A method and apparatus for moving an object between pages is provided. The method includes displaying a first page including an object; generating a first signal in response to the object on the first page being moved to a predetermined area of the first page; displaying a plurality of pages, including the first page, in response to the first signal; generating a second signal in response to the object being moved to overlap with a second page; and moving the object to the second page in response to the second signal | 06-28-2012 |
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 |
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 |
20130024341 | METHOD AND APPARATUS FOR PROVIDING TRANSACTION RELATED SERVICE - A method of providing a transaction related service is provided. The method includes receiving first payment method information corresponding to a store from a first device; comparing the first payment method information and second payment method information available for a user; and recommending the second payment method based on a result of the comparison. | 01-24-2013 |
20130031586 | METHOD AND APPARATUS FOR PROVIDING INFORMATION - A method of providing information is provided. The method includes determining content-related information corresponding to playable content; inserting the content-related information into IDentification (ID) information of a wireless transceiver; and transmitting, after insertion of the content-related information, the ID information to an external source. | 01-31-2013 |
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 |
20130042031 | METHOD AND APPARATUS FOR CONTROLLING CONNECTION - A connection control method including receiving intrinsic information of a neighboring external device from the external device; detecting time information indicating a time at which the intrinsic information is received; and controlling a connection to the external device based on the intrinsic information and the time information. | 02-14-2013 |
20130083784 | METHOD AND APPARATUS FOR PROVIDING SERVICE - A method and apparatus for providing a service in a service providing device are provided. The method includes receiving, from a terminal, information about a wireless transmitter/receiver whose vicinity the terminal is located within; determining a differentiated service to be provided to the terminal according to the received information about the wireless transmitter/receiver; and providing the determined differentiated service to the terminal. | 04-04-2013 |
20130084813 | METHOD AND APPARATUS FOR PROVIDING CONTENT - A method of providing content is provided. The method includes providing an interface for providing a service based on information regarding a wireless transceiver positioned close to an apparatus for providing content, the information being received from the wireless transceiver; requesting a waiting number for providing the service via the interface; and receiving the waiting number for providing the service, a waiting time, and content based on the waiting time. | 04-04-2013 |
20130091553 | METHOD AND APPARATUS FOR DETERMINING INPUT - A method and apparatus for determining an input are provided. The method includes authenticating an external device, when the external device approaches in a predetermined range; determining an area approached by the external device and determining whether the determined area is valid; and outputting a predetermined indication to a predetermined area related to the area approached by the external device. | 04-11-2013 |
20130095790 | METHOD AND APPARATUS FOR CONTROLLING DEVICE - A method and an apparatus for controlling a device are provided. Information regarding a second external device, which was received by a first external device, is received from the first external device. The second external device is authenticated based on the information regarding the second external device. Position information regarding the second external device is detected. Control information regarding the first external device is transmitted to the first external device. The control information is based on the position information. | 04-18-2013 |
20130095858 | METHOD AND APPARATUS FOR PROVIDING SERVICE AND SERVICE INTERFACE BASED ON POSITION - A method and apparatus for providing a position-based service is provided. The method includes detecting a current position; determining whether the current position is included in a previously set area-of-interest; and scanning for a wireless transceiver in response to a determination that the current position is included in the set area-of-interest. | 04-18-2013 |
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 |
20130318437 | METHOD FOR PROVIDING UI AND PORTABLE APPARATUS APPLYING THE SAME - A method for providing a UI and a portable apparatus applying the same are provided. The method for providing the UI of the portable apparatus includes determining whether motion of shaking the portable apparatus a predetermined number of times is input or not using a sensor included in the portable apparatus, and, if the motion of shaking the portable apparatus the predetermined number of times is input, providing haptic feedback according to a number of pieces of information displayed on a notice window of the portable apparatus. Accordingly, if a predetermined event occurs, haptic feedback corresponding to the predetermined event is provided, so that the user can identify the event without seeing a display. | 11-28-2013 |
20140015470 | WEARABLE WIRELESS POWER TRANSMISSION APPARATUS AND WIRELESS POWER TRANSMISSION METHOD USING THE SAME - Disclosed herein are a wearable wireless power transmission apparatus and a wearable wireless power transmission using the same. The apparatus includes a wearable energy harvesting unit, a wearable battery unit, a wearable power charging unit, a wearable power transmission processing unit, and a fiber-type primary coil unit. The wearable energy harvesting unit generates power from at least one of light energy and kinetic energy, and is attachable to fabric. The wearable battery unit stores the power, and is attachable and detachable to and from the fabric. The wearable power charging unit rectifies the power, charges the wearable battery unit, and is attachable and detachable to and from the fabric. The wearable power transmission processing unit generates a transmission signal, and is attachable and detachable to and from the fabric. The fiber-type primary coil unit wirelessly transmits the transmission signal to the secondary coil unit of the power reception terminal. | 01-16-2014 |
20140132954 | CELL FOR OPTICAL ANALYSIS - The present invention relates to a cell for optical analysis, wherein a flow space of a low depth is formed by attachment, using a simple double-coated tape without out special processing, of a micro flow channel through which a liquid sample passes, thereby enabling: a very easy manufacturing method; a reduction of manufacturing costs, thereby allowing the cell to be more widely used; a maintenance of a short path length of light with respect to the flow space in which the liquid sample flows, thereby enabling accurate optical analysis without diluting a sample with high absorbance; an expansion of a flow space region along the plane vertical to the light-passing direction, thereby enabling smoother optical analysis and improving the accuracy of optical analysis. | 05-15-2014 |
20140303529 | APPARATUS AND METHOD FOR CONTROLLING SMART WEAR - Disclosed herein are an apparatus and method for controlling smart wear. The apparatus for controlling smart wear includes a motion capture unit, an error information unit, a motion estimation unit, and an actuation unit. The motion capture unit captures a motion of a user using sensors included in the smart wear. Then error information unit generates user error information using reference motion information and the results of the motion capture. The motion estimation unit estimates a subsequent motion of the user using the user error information. The actuation unit controls the smart wear of the user in real time using the estimated subsequent motion and the user error information. | 10-09-2014 |
20140332812 | WAFER AND SYSTEM AND METHOD FOR TESTING THE WAFER - A wafer is provided. The wafer includes at least one field. The field includes at least one chip, and at least one test chip that generates power using a wireless signal, that provides power to the chip, that tests performance of the chip, and that corrects performance of the chip according to a test result. | 11-13-2014 |