Abstract: Disclosed herein are an apparatus and method for treating ship ballast water, wherein electron beams are irradiated into the ballast water to induce radiolysis of the water, and harmful marine organisms present in the ballast water are killed by radicals produced by the radiolysis. The electron beams are continuously irradiated into the ballast water under operating conditions of an energy of 0.5-5 MeV, an electron beam irradiation dose of 0.1-30 kGy and a flow rate of 1-200 m3/hr.

Abstract: Disclosed herein are an apparatus and method for treating ship ballast water, wherein electron beams are irradiated into the ballast water to induce radiolysis of the water, and harmful marine organisms present in the ballast water are killed by radicals produced by the radiolysis. The electron beams are continuously irradiated into the ballast water under operating conditions of an energy of 0.5-5 MeV, an electron beam irradiation dose of 0.1-30 kGy and a flow rate of 1-200 m3/hr.

Abstract: A bed for patients includes a bed having a mattress with a vertical through hole at its center, and a case provided below the through hole and including a forward/rearward moving body with a chamber pot and a sealing body moved forward/rearward and lifted for selective insertion into the through hole. Insert groove is formed in upper inner side of the chamber pot. Cover plate is provided at front of the case for rearward protrusion through a vertical stand and insertion into the insert groove when the chamber pot advances. Water putting unit having a water supply pipe with an opening/closing means is connected to the cover plate to inject water into the chamber pot. Drainage means having length-adjustable pipes connected to an external draining pipe is provided to lower portion of the chamber pot so that wasted water in the lifting and forward/rearward moving chamber pot is drained out.

Abstract: The present invention relates to an anisotropic conductive film with two or more adhesive resins simultaneously formed thereon, such that the two or more adhesive resins are simultaneously formed on a substrate of a flat panel display so as to connect various kinds of devices and flexible circuit boards thereto, thereby reducing the size of a non-display region of the substrate and reducing the number of steps of a manufacturing process. Moreover, with the use of an anisotropic conductive film with two layers of adhesive resins with different conductive particles, an excellent bonding force thereof enables a device or flexible circuit board to be stably mounted on a narrow area.

Abstract: A semiconductor chip and manufacturing method thereof, the semiconductor chip including a plurality of bumps connected to a driving circuit integrated on a semiconductor substrate and an organic insulating layer disposed on the driving circuit. The organic insulating layer extends from the semiconductor substrate less than the plurality of bumps such that a lower edge of the plurality of bumps protrudes further than a lower edge of the organic insulating layer.

Abstract: Disclosed herein is an optical transmitter having an analog/digital mixed-mode temperature compensation function. The optical transmitter, when detecting the optical output power of a laser diode, which outputs logic levels “1” and “0” as optical signals, through a monitoring photodiode, and controlling the bias current of a laser drive circuit to maintain the logic levels “1” and “0” at constant values, includes programs for controlling the bias current and modulation current of the laser drive circuit based on an variation in temperature, and is configured such that a temperature compensation circuit includes a digital control unit for controlling the bias current and modulation current of the laser drive circuit using the programs, so that temperature compensation operation can be adjusted only by the modification of the programs of the distal control unit.

Abstract: An integrator and a display apparatus using the same simplify the structure of an optical system and minimize optical loss. The integrator homogenizes, polarizes and recaptures incident lights. The optical loss can be reduced by using a color drum and a color wheel engaged with the integrator. In order to minimize the optical loss, a polarization conversion device where a color bar filter or color switch is directly adhered to an integrator is used. The polarization conversion device can be applied to a projector for embodying small images into large ones.

Abstract: A user authentication method of authenticating a user on an on-line basis using a user's e-mail address and hardware information is provided. The user authentication method includes the steps of: transmitting a user's authentication client platform hardware information and e-mail address to an authentication server module through an authentication client module installed in the authentication client platform; and the authentication client module determining user authentication according to whether or not the e-mail address and hardware information received from the authentication server module is identical to user's e-mail address and hardware information stored in an authentication database. A user's authentication request and authentication is confirmed through an e-mail in the case that authentication fails in the primary authentication process. The user authentication method performs authentication by using a user's hardware information and e-mail address, their uniqueness of which is verified.

Abstract: A concept of improving a resolution by using human's visual characteristics is provided. A display device includes an image forming unit forming an image by using an emitted light and an inputted image signal, a projection unit projecting the image formed by the image forming unit onto a screen, and a movable displacement plate displacing the image displayed on the screen. As a result, a viewer can view the image at an improved resolution.

Abstract: A system for displaying an image with a more improved resolution than the actual physical resolution, thereby obtaining the same effect of a resolution which is physically improved, wherein an image signal corresponding to one frame is separated into a first image signal and a second image signal, and a first image and a second image are formed based on the first image signal and the second image signal. The first image and the second image are respectively displayed at a first location and a second location, whereby a viewer can view the image at an improved resolution.

Abstract: A system for displaying an image with a more improved resolution than the actual physical resolution, thereby obtaining the same effect of a resolution which is physically improved, wherein an image signal corresponding to one frame is separated into a first image signal and a second image signal, and a first image and a second image are formed based on the first image signal and the second image signal. The first image and the second image are respectively displayed at a first location and a second location, whereby a viewer can view the image at an improved resolution.

Abstract: Specific pressure and temperature conditions of an engine being measured are achieved by a compressor and a coolant controller, and bore distortion is measured as a gap between a rotation unit and a cylinder wall, wherein the measuring position may be vertically and angularly varied.

Abstract: An integrator of an optical device using a color drum is disclosed. The integrator includes an opening receiving a light generated from a lamp, an optical path part reflecting and passing forward the light received at the opening, a mirror part refracting and totally reflecting the light passed through the optical path part and changing a direction of the light being transmitted, a polarization plate transmitting light rays having a constant polarization direction, among the reflected light, and reflecting remaining light rays having other polarization directions, and a wave plate changing a phase of the light reflected from the polarization plate.

Abstract: Disclosed is a reflective lighting optical system. The reflective lighting optical system can minimize a back focusing distance and a depth of the system, and improve a lighting efficiency by disposing a wire grid type PBS (Polarized Beam Splitter) at an oblique angle with respect to a short side of an imager.