Abstract: A high dynamic range image sensor and a method and medium for measuring charges in a pixel are provided. The high dynamic range image sensor includes a sensor that resets a predetermined pixel when the pixel has reached a saturation level, a storage unit that stores the number of times the pixel has been reset, and a measurement unit that measures the quantity of light received in the pixel using the number of times the pixel has been reset, which is simply referred to as the number of resets, and the quantity of charges remaining after the pixel is finally reset.

Abstract: There is provided an apparatus and method of managing an image file. An apparatus to manage an image file includes a sensor unit measuring at least one of the positions, directions, and angles of image files of objects that are captured, an extracting unit extracting at least one of information on locations where the image files of the objects are captured and information on the captured objects, in which the information corresponds to the measured information and a classifying unit giving names to the captured image files by using the extracted information.

Abstract: A display device for displaying a cursor according to motion of an input device is provided. The input device comprises an input part which receives pitch angle information and yaw angle information corresponding to motion of an external input device; a computation part which computes a first relative angle corresponding to the information of the pitch angle and a second relative angle corresponding to the information of the yaw angle; a coordinate calculator which calculates a cursor coordinate value which gradually varies according to the changes of the first and second relative angles; and a display which displays a cursor on a position corresponding to the calculated cursor coordinate value. Thus, it is possible to avoid trembling of the cursor caused by noise.

Abstract: A thermally-driven ink-jet printhead includes a substrate having an ink chamber to be filled with ink to be ejected, a manifold for supplying ink, and an ink channel for providing flow communication therebetween. First and second sidewalls are formed to a predetermined depth from an upper surface of the substrate and define the ink chamber to have a substantially rectangular shape. A nozzle plate including a plurality of material layers is formed on the substrate. A nozzle passes through the nozzle plate and is in flow communication with the ink chamber. A heater is disposed between the nozzle and one of the first sidewalls above the ink chamber. A conductor is electrically connected to the heater. The conductor and the heater are disposed within the nozzle plate. A shifting feature moves cavitation points beyond an outer edge of the heater.

Abstract: A method of driving an ink-jet printhead, which heats ink contained in an ink chamber using a heater to generate and expand a bubble within the ink chamber and ejects ink from the ink chamber using an expansive force of the bubble, the method including applying a main pulse to the heater to eject ink and applying a post pulse to the heater after ink has been ejected.

Abstract: A thermally-driven ink-jet printhead includes a substrate having an ink chamber to be filled with ink to be ejected, a manifold for supplying ink, and an ink channel for providing flow communication therebetween. First and second sidewalls are formed to a predetermined depth from an upper surface of the substrate and define the ink chamber to have a substantially rectangular shape. A nozzle plate including a plurality of material layers is formed on the substrate. A nozzle passes through the nozzle plate and is in flow communication with the ink chamber. A heater is disposed between the nozzle and one of the first sidewalls above the ink chamber. A conductor is electrically connected to the heater. The conductor and the heater are disposed within the nozzle plate. A shifting feature moves cavitation points beyond an outer edge of the heater.

Abstract: An ink-jet printhead includes a substrate having an ink chamber and a manifold, a nozzle plate formed on the substrate, first and second heaters, first and second conductors, and first and second ink channels. The nozzle plate includes a plurality of passivation layers formed of an insulating material, a heat dissipation layer formed on the passivation layers and made of a thermally conductive material, and a nozzle passing through the nozzle plate and in flow communication with the ink chamber. The first and second heaters and conductors are interposed between adjacent passivation layers of the nozzle plate. The ink channels are interposed between the ink chamber and the manifold, for providing flow communication between the ink chamber and the manifold. The first and second heaters, conductors and ink channels are symmetric with respect to the nozzle.

Abstract: A capillary pumped loop system includes an evaporator for vaporizing a refrigerant by absorbing heat from the periphery, a condenser for turning the vaporized refrigerant into a liquid by radiating heat from the vaporized refrigerant, a tube for forming a circulatory path connecting the evaporator to the condenser, and a capillary unit installed to form a plurality of gaps within the tube so that the refrigerant can move along the circulatory path due to capillary action caused by the gaps. Accordingly, when the refrigerant passes through the capillary unit due to the capillary action, bubbles in the tube can be reduced. In addition, a multi-path is formed for the movement of the liquid refrigerant, so discontinuation of the refrigerant can be prevented, thereby preventing the refrigerant in the evaporator from drying out.

Abstract: A thermally-driven ink-jet printhead includes a substrate having an ink chamber to be filled with ink to be ejected, a manifold for supplying ink, and an ink channel for providing flow communication therebetween. First and second sidewalls are formed to a predetermined depth from an upper surface of the substrate and define the ink chamber to have a substantially rectangular shape. A nozzle plate including a plurality of material layers is formed on the substrate. A nozzle passes through the nozzle plate and is in flow communication with the ink chamber. A heater is disposed between the nozzle and one of the first sidewalls above the ink chamber. A conductor is electrically connected to the heater. The conductor and the heater are disposed within the nozzle plate. A shifting feature moves cavitation points beyond an outer edge of the heater.

Abstract: A method of driving an ink-jet printhead, which heats ink contained in an ink chamber using a heater to generate and expand a bubble within the ink chamber and ejects ink from the ink chamber using an expansive force of the bubble, the method including applying a main pulse to the heater to eject ink and applying a post pulse to the heater after ink has been ejected.

Abstract: An ink-jet printhead includes a substrate having an ink chamber and a manifold, a nozzle plate formed on the substrate, first and second heaters, first and second conductors, and first and second ink channels. The nozzle plate includes a plurality of passivation layers formed of an insulating material, a heat dissipation layer formed on the passivation layers and made of a thermally conductive material, and a nozzle passing through the nozzle plate and in flow communication with the ink chamber. The first and second heaters and conductors are interposed between adjacent passivation layers of the nozzle plate. The ink channels are interposed between the ink chamber and the manifold, for providing flow communication between the ink chamber and the manifold. The first and second heaters, conductors and ink channels are symmetric with respect to the nozzle.

Abstract: A heat transferring device having an adiabatic unit is provided. The heat transferring device includes a lower plate including an evaporator which contacts a heating element and allows a liquid refrigerant to absorb heat transferred from the heating element to thus evaporate, a condenser in which gas flowing from the evaporator is condensed, a gas passage through which the gas flowing from the evaporator into condenser, a liquid refrigerant passage through which the liquid refrigerant flows from the condenser into the evaporator and which includes a portion used as a channel region bordering the evaporator, and an adiabatic unit provided between the liquid refrigerant passage and the gas passage so that elements hindering the flow of the liquid refrigerant can be prevented from being introduced from the gas passage into the liquid refrigerant passage; and an upper plate which contacts some members of the lower plate including the adiabatic unit.

Abstract: A heat transferring device having an adiabatic unit is provided. The heat transferring device includes a lower plate including an evaporator which contacts a heating element and allows a liquid refrigerant to absorb heat transferred from the heating element to thus evaporate, a condenser in which gas flowing from the evaporator is condensed, a gas passage through which the gas flowing from the evaporator into condenser, a liquid refrigerant passage through which the liquid refrigerant flows from the condenser into the evaporator and which includes a portion used as a channel region bordering the evaporator, and an adiabatic unit provided between the liquid refrigerant passage and the gas passage so that elements hindering the flow of the liquid refrigerant can be prevented from being introduced from the gas passage into the liquid refrigerant passage; and an upper plate which contacts some members of the lower plate including the adiabatic unit.

Abstract: A capillary pumped loop system includes an evaporator for vaporizing a refrigerant by absorbing heat from the periphery, a condenser for turning the vaporized refrigerant into a liquid by radiating heat from the vaporized refrigerant, a tube for forming a circulatory path connecting the evaporator to the condenser, and a capillary unit installed to form a plurality of gaps within the tube so that the refrigerant can move along the circulatory path due to capillary action caused by the gaps. Accordingly, when the refrigerant passes through the capillary unit due to the capillary action, bubbles in the tube can be reduced. In addition, a multi-path is formed for the movement of the liquid refrigerant, so discontinuation of the refrigerant can be prevented, thereby preventing the refrigerant in the evaporator from drying out.