Abstract: A method for analyzing a gait pattern includes: measuring, by a plurality of force sensing resistor (FSR) sensors, foot pressure values, and outputting the measured foot pressure values, respectively; searching for a maximum pressure local area in which the sum of the output values from the FSR sensors included in each of a plurality of pressure local areas is maximized; calculating a center of pressure (COP) with respect to the detected maximum pressure local area; and analyzing a gait pattern by adding the calculated COP to the trajectory of COPs.

Abstract: An insole type navigation apparatus for indicating the direction of a user by interworking with a navigation device providing a road guidance service, includes: a GPS module mounted on the user's shoes and providing the user's location information to the navigation device; a plurality of vibration motors mounted in the insole of the shoes and indicating the recommended direction of the user's travel through vibrations; and a controller selectively driving vibration motors corresponding to each direction to inform the user about the direction of a destination, when the navigation device provides the road guidance service.

Abstract: Provided are a fall detecting apparatus and method and an emergency aid system and method using the same. The fall detecting apparatus includes a storing unit configured to store fall data vectors; an angular velocity measuring unit configured to measure an angular velocity value; an acceleration measuring unit configured to measure an acceleration value; an acceleration extracting unit configured to extract a kinetic acceleration value and a gravitational acceleration value by filtering the acceleration value measured by the acceleration measuring unit; and a fall determining unit configured to convert the angular velocity value, which is measured by the angular velocity measuring unit, and the kinetic acceleration value and the gravitational acceleration value, which are extracted by the acceleration extracting unit, into a fall data vector, and determine a use's fall by comparing the converted fall data vector with the fall data vector stored in the storing unit.

Abstract: There is provided a motion recognition system using footwear for motion recognition. The motion recognition system includes footwear for motion recognition and an information processing terminal. The footwear for motion recognition includes a pressure sensor, a height sensor and a three-axis acceleration sensor, measures variations in foot pressure, height and acceleration according to a user's motion, preprocesses signals measured by the sensors, and transmits the preprocessed signals. The information processing terminal analyses the signals received from the footwear for motion recognition, obtains information regarding the user's center of gravity, position within three-dimensional space and feet movements, and provides application services based on the obtained information.

Abstract: There is provided a gait/posture analysis method which analyzes a gait/posture of a walker wearing a shoe having one or more pressure sensors attached thereon. The gait/posture analysis method includes: measuring a base foot pressure, which is generated when the walker wears the shoe, at arbitrary time intervals; calculating a representative base foot pressure by using the plurality of base foot pressures measured at the arbitrary time intervals; correcting a foot pressure measured by the pressure sensors by using the representative base foot pressure; calculating a foot-pressure related value, which is to be used for analyzing the gait/posture of the walker, by using the corrected foot pressure; and analyzing the gait/posture of the walker by using the foot-pressure related value.

Abstract: A display apparatus includes; a display panel which displays an image using a light, wherein the display panel is divided into a plurality of display areas corresponding to the image, a plurality of main-light source groups which each have a plurality of light sources, wherein the main-light source groups are arranged respectively corresponding to the display areas to provide the light thereto, a power source circuit is connected to each main-light source groups to provide a corresponding driving power to each of the main-light source groups, and a plurality of sub-light source groups, each of which is arranged between two adjacent main-light source groups and wherein each sub-light group receives the driving power applied to each of the two main-light source groups adjacent thereto to provide a light corresponding to an average brightness of the two adjacent main-light source groups to a border area between two adjacent display areas.

Abstract: A method of dimming a light source module including a light guide plate, a first light emitting module including first to k-th light source blocks, wherein the first light emitting module is disposed on a first edge of the light guide plate, and a second light emitting module including first to m-th light source blocks, the second light emitting module being disposed on a second edge of the light guide plate, the second edge disposed opposite the first , the method including; generating a first group of driving signals and a second group of driving signals based on an image signal and driving the first to k-th light source blocks using the first group of the driving signals during a first period in a reference period and driving the first to m-th light source blocks using the second group of driving signals during a second period in the reference period.

Abstract: There is provided a daily activity recognition system using sensors installed in required positions in a home to recognize daily activities of an old person, the system including: a radio frequency (RF) management unit receiving data measured by a plurality of sensors installed in required positions in a home, recognizing a corresponding sensor transmitting the received data, and converting the received data into a basic activity corresponding to the recognized sensor; a buffer management unit storing the basic activity received from the wireless processing manager in an internal buffer; and a daily activity recognition unit recognizing daily activities of an old person at each point in time previously set, based on the basic activity stored in the buffer. The daily activities of the old person are recognized and stored in a database, thereby providing various services related to the health of the old person.

Abstract: An activity monitoring system and method are disclosed to reduce the size of an activity sensor device to reduce its power consumption and smoothly transmit activity and occupancy information from the activity sensor device and an occupancy sensor device to an activity monitoring server to monitor an individual's activity and occupancy information.

Abstract: The present invention relates to a process for preparing a phenolic polymer using a phenothiazine-based mediator, in particular, to a process for preparing a phenolic polymer via polymerization of phenolic monomers by using a phenothiazine-based mediator in the presence of peroxidase biocatalyst and an oxidant, thereby drastically improving the enzyme reactivity of peroxidase. The phenolic polymers prepared according to the polymerization of this invention maintain unsaturated hydrocarbon groups linked to their side chains, so that they are very useful as a curing resin because they can easily form coatings through radical curing. In addition, the coating formed using the curing resin has an antioxidation effect and a low surface energy, so that they can prevent physical attachment of marine livings. Because the antifouling-causing functional groups are not consumed, the coatings continuously exhibit durability.

Abstract: There are provided a hand-held device for detecting activities of daily living, and a system for detecting activities of daily living using the same. The hand-held device comprises a behavior information detector unit detecting physical activity information from user's movements; an article use information detector unit detecting article use information on whether the user uses the article from a sensor module attached to the article; a controller unit generating information on activities of daily living of the user from the physical activity information and the article use information; and a memory unit storing the information on the activities of daily living of the user.

Abstract: A sensor-based activity recognition system is disclosed. Activity information is received by using various sensors that can detect activities in daily life and analyzed to recognize daily activities of an individual. A required device can be controlled or relevant information is transferred to a management center according to the recognized daily activity to thus quickly cope with various situations.

Abstract: There is provided a method and apparatus for sensing a meal activity among the various activities of daily life using pressure sensors. A meal activity sensing apparatus collects sensor data detected through a plurality of pressure sensors installed in a smart meal mat, filters the collected sensor data, measures a pressure variance by using the filtered sensor data, determines whether a meal activity has taken place by comparing the measured pressure variance with a preset threshold value, and transmits meal activity information associated with the meal activity to an information processor communicating with the smart meal mat via radio frequency. Since this provides an advantage of more accurate detection of the meal activity, it can be useful in care services for eldercare facilities and for elderly individuals living alone, and further, in the efficient observance of an individual's daily meal patterns.

Abstract: A liquid crystal display (“LCD”) includes; a liquid crystal panel including a plurality of display blocks, a light-emitting unit which provides light to the liquid crystal panel and includes a plurality of light-emitting blocks corresponding to the display blocks, respectively; and a timing controller which provides an optical data signal for controlling the light-emitting blocks, wherein the optical data signal includes a plurality of scan signals and a plurality of dimming signals which are alternatingly arranged, and each of the dimming signals controls a luminance of a corresponding one of the light-emitting blocks.

Abstract: A light source driving device includes a resolution analyzing part, a dimming block adjusting part, a local dimming part and a light source unit. The resolution analyzing part obtains an image resolution. The dimming block adjusting part adjusts the size or the number of dimming blocks generating light in a local dimming method in response to the resolution. The local dimming part generates a local dimming signal for individually driving the dimming blocks in response to the image data and the size or the number of dimming blocks. The light source unit is driven by the local dimming signal to generate light. The size or the number of the dimming blocks is adjusted to be optimized for the obtained image resolution, so that regardless of the image resolution, a local dimming signal corresponding to the size and the number of the dimming blocks may be generated.

Abstract: Provided are a fall accident detection apparatus and method capable of detecting frequent falling accidents in daily lives of old, feeble or invalid pedestrians in real time and notifying a fall control server of the falling accidents in order to actively prepare for possible secondary accidents by falls. The fall accident detection apparatus includes an acceleration sensor detecting information on acceleration and slope; a controller judging behaviors using the information on acceleration and slope detected by the acceleration sensor and determining a fall accident by analyzing a sequential pattern of the judged behaviors; and a communication unit transmitting information on a fall accident when the fall accident is determined by the controller.

Abstract: In a method of driving a light source, initial driving signals are applied to a plurality of color light sources in response to a power-on signal from an external device. During a predetermined set time period, light amount control signals for controlling an amount of light generated by the color light sources are generated using a predetermined function with reference signals and first sensing signals generating by sensing the amount of the light generated by the color light sources driven by the initial driving signals. Then, compensated driving signals, which are compensated based on the light amount control signal, are applied to the color light sources to compensate the amount of the light generated by the color light sources.

Abstract: A liquid crystal display includes a liquid crystal panel having display blocks arranged in a first matrix thereon, and light-emitting blocks which provide light to the liquid crystal panel. Each of the light-emitting blocks corresponds to a corresponding column of the first matrix and provides the light to a corresponding column of display blocks in the corresponding column of the first matrix. A frame during which an image is displayed on the liquid crystal display is divided into time slots, and a number of the time slots is equal to a number of the corresponding display blocks included in each column of the first matrix. A luminance of the light provided by each of the light-emitting blocks during each time slot of the frame is controlled based on an image data signal supplied to the corresponding column of the first matrix.

Abstract: A liquid crystal display includes: a signal controller which converts a first image signal having a first gray level based on an original gamma coefficient into a second image signal having a second gray level based on a target gamma coefficient; a liquid crystal panel connected to the signal controller and which displays an image based on the second image signal; and a light-emitting unit connected to the signal controller and which provides light to the liquid crystal panel. The target gamma coefficient is less than or equal to the original gamma coefficient, and a luminance of the light provided by the light-emitting unit is adjusted by the signal controller to minimize an amount of luminance distortion of the image.

Abstract: An apparatus and method for controlling Low Noise Amplifiers (LNAs) in a dual standby portable terminal according to communication modes are provided. The apparatus and method improve the received signal sensitivity of the receiving unit of the dual-standby portable terminal. The main controller generates an active control signal when a state of the main controller is switched from a reception standby mode to a call mode, and transmits the active control signal to a sub-controller. The sub-controller maintains a turned on state of an LNA under the control of the sub-controller, according to the active control signal.