KOREA ADVANCED INSTITUTE OF SCIENCE & TECHNOLOGY Patent applications |
Patent application number | Title | Published |
20150291417 | DEVICE PACKAGING METHOD AND DEVICE PACKAGE USING THE SAME - A device packaging method and a device package using the same may be provided. The device packaging method includes forming a package sacrificial layer by applying a first material on a substrate on which a device has been formed; forming a package cap by applying a second material on the package sacrificial layer; generating gas molecules from the package sacrificial layer by applying external stimuli such as light or heat to the package sacrificial layer; and heating the gas molecule and forming a cavity between the device and the package cap. | 10-15-2015 |
20150241283 | INFRARED DETECTOR - An infrared detector may be provided that includes: a micro-bolometer active cell which detects infrared and outputs a current signal; and a reference cell which includes a plurality of connected warm cells having the same structure and electrical characteristics as those of the micro-bolometer active cell, has the same electrical resistance value and average self-heating amount as those of the micro-bolometer active cell, and generates a reference current signal for the micro-bolometer active cell. | 08-27-2015 |
20140376296 | MULTI-BIT MEMORY DEVICE - Disclosed is a multi-bit memory device including: a first electrode; a third electrode which is disposed apart from the first electrode; a second electrode which is disposed between the first electrode and the third electrode; a first memory unit which is disposed between the first electrode and the second electrode and includes a material which is electrically polarized and exhibits hysteresis; and a second memory unit which is disposed between the second electrode and the third electrode and includes a material which is electrically polarized and exhibits hysteresis. | 12-25-2014 |
20140298904 | HUMIDITY SENSOR, HUMIDITY SENSING METHOD AND TRANSISTOR THEREFOR - Disclosed is a humidity sensor including: a conductive material in which electric charges are charged; a charger which charges the electric charges in the conductive material; and a measurer which measures a change amount of the electric charges charged in the conductive material. | 10-09-2014 |
20140158506 | MECHANICAL SWITCH - Disclosed is a mechanical switch that may include a first electrode; a second electrode spaced apart from the first electrode; a first material electrically connected to the first electrode; and a second material electrically connected to the first electrode. Any one of a hardness, a Young's modulus, a melting point and an insensitivity degree to external contamination of the second material is lower than any corresponding one of a hardness, a Young's modulus a melting point and an insensitivity degree to external contamination of the first material. When the first electrode and the second electrode are electrically connected to each other, after the first material is connected to the second electrode, the second material is connected to the second electrode. | 06-12-2014 |
20130118672 | SUBSTRATE BONDING METHOD - Disclosed herein is a substrate bonding method including stacking a plurality of bonding objects including anisotropic conductive films (ACFs) and flexible printed circuit boards (FPCBs), which are sequentially stacked, on a substrate including bonding surfaces having a plurality of steps, according to the plurality of steps of the bonding surfaces of the substrate, and pressurizing the plurality of bonding objects to the substrate by a bonding tool of a bonding unit having pressurization surfaces having a shape corresponding to the bonding surfaces of the substrate to bond the plurality of bonding objects to each other. | 05-16-2013 |
20130110150 | ELECTROACUPUNCTURE NEEDLE AND ELECTROACUPUNCTURE PLATFORM | 05-02-2013 |
20120224748 | METHOD FOR INTELLIGENTLY DISPLAYING SPORTS GAME VIDEO FOR MULTIMEDIA MOBILE TERMINAL - Disclosed is a method for intelligently displaying a sports game video for a multimedia mobile terminal, the method including the steps of: determining if a camera shot existing in the sports game video is a long-shot; when the camera shot is determined as a long-shot, determining a ROI within an image frame of the sports game video; and when the camera shot is determined as a non-long-shot, displaying the image frame on the mobile terminal, and, when the camera shot is determined as a long-shot, enlarging and displaying the ROI on the mobile terminal. | 09-06-2012 |
20120177301 | METHOD AND APPARATUS FOR REMOVING IMAGE BLOCKING ARTIFACT BY USING TRANSFORMATION COEFFICIENT - A method and apparatus for removing an image blocking artifact by using a transformation coefficient are provided. The method includes: detecting a first blocking artifact which is in a flat region of the input image; removing the first blocking artifact using a number of low frequency coefficients from among transformation coefficients for each transformation block of a plurality of transformation blocks of the input image, based on a result of detecting the first blocking artifact; detecting an edge region of the input image; and removing a second blocking artifact, which is in an edge region of an intermediate image obtained from the removing of the first blocking artifact of the input image, based on the detected edge region in the input image. | 07-12-2012 |
20100223399 | METHOD AND APPARATUS FOR PROCESSING TIMESTAMP USING SIGNATURE INFORMATION ON PHYSICAL LAYER - A method and apparatus for processing a timestamp using signature information on a physical layer is provided. The timestamp processing terminal uses a pseudo-random binary sequence to assign signature information to a message which is to be sent to another terminal, and verifies the signature information on a physical layer. The signature information is used to identify the message as a sync message. Accordingly, it is possible to precisely process the timestamp. | 09-02-2010 |
20090172053 | ARITHMETIC APPARATUS FOR MULTI-FUNCTION UNIT AND METHOD - An arithmetic apparatus for a multi-function unit and a method integrates all operations which are necessary to the GPU (graphics processing unit) with one operational device to decrease the area and power of the hardware and to control all operations except a matrix-vector multiplication to achieve a single-cycle throughput and to control a matrix-vector multiplication to achieve a 2-cycle throughput. Thus, the whole power consumption and the size and the efficiency of 3 dimensional graphics systems for the embedded systems such as the cell phone or Personal Digital Assistant can be improved as the GPU can be small-sized and advanced. | 07-02-2009 |
20090167963 | PROJECTION DISPLAY APPARATUS USING MICROLENS ARRAY AND MICROMIRROR ARRAY - A projection display apparatus using a microlens array and a micromirror array comprises a substrate, multiple micromirror arrays and multiple microlens arrays. The substrate is disposed apart with a predetermined distance from a light source. The multiple micromirror arrays are disposed over the substrate to be assembled together to have a predetermined incidence angle with respect to the incident rays. The multiple microlens arrays are configured to correspond to the micromirror arrays. More specifically, a first microlens array is disposed in a predetermined region between the light source and the substrate and comprises multiple microlenses. A second microlens array is disposed in a light path of reflection rays reflected from the micromirrors. | 07-02-2009 |
20080291158 | CHARACTER INPUT DEVICE USING BIO RADAR UNIT AND TILT SENSOR - Disclosed herein is a character input device for a mobile device or a wearable terminal. A bio radar unit senses the positions of the fingers of a user. A tilt sensor senses the tilt of the hands of the user. A microprocessor calculates the final input information of the user by processing signals received from the bio radar unit and the tilt sensor. A wireless communication module transmits the final input information to the mobile device or the wearable terminal of the user. A speaker device outputs a feedback sound corresponding to the final input information of the user. The character input device is wearable on a wrist of the user. The bio radar unit transmits a signal, measures the distance between the character input device and a finger by measuring the strength of a reflected wave reflected from the finger with which the signal collides, and measures the angle of the finger related to activation. | 11-27-2008 |
20080273726 | DIGITAL HEARING AID ADAPTIVE TO STRUCTURES OF HUMAN EXTERNAL EAR CANALS - The present invention relates to a digital hearing aid, which models the structures of external ear canals, sizes and shape characteristics of which differ between respective persons, obtains resonance gains generated due to the structural characteristics of the external ear canals, and performs digitization and signal processing to allow the resonance gains to be used as the gain factors of the digital hearing aid, and thus applies the gain factors to digital signal processing units. Further, the present invention proposes a gain obtainment unit capable of taking both resonance gains, generated due to the structural characteristics, and gains, obtained through a hearing test, into account, thus reducing the time required for gain fitting and possible errors, and optimizing the performance of the digital hearing aid for each individual. | 11-06-2008 |