Abstract: A method of detecting camera tempering and a system therefor are provided. The method includes: performing at least one of following operations: (i) detecting a size of a foreground in an image, and determining whether a first condition, that the size exceeds a first reference value, is satisfied, (ii) detecting change of a sum of the largest pixel value differences among pixel value differences between adjacent pixels in selected horizontal lines of the image, according to time, and determining whether a second condition, that the change lasts for a predetermined time period, is satisfied, and (iii) adding up a plurality of global motion vectors with respect to a plurality of images, and determining whether a third condition, that a sum of the global motion vectors exceeds a second reference value, is satisfied; and determining occurrence of camera tempering if at least one of the corresponding conditions is satisfied.

Abstract: Provided is a surveillance camera. The surveillance camera includes a main body casing; a front cover that forms a camera housing by being combined with the main body casing; a first protrusion unit that protrudes frontward of the front cover from a front surface of the front cover; a second protrusion unit that is formed on an outer edge of the first protrusion unit by being separated from the first protrusion unit; and a lens mounting unit that combines with the front cover, wherein the lens mounting unit comprises a first guide unit that protrudes toward the front cover and contacts the first protrusion unit and a second guide unit that contacts the second protrusion unit. Accordingly, tilting of the lens mounting unit is effectively prevented.

Abstract: Provided is an array including a plurality of target specific array nucleic acid molecules wherein each target specific array nucleic acid molecule contains: (i) a 5?-end DNA segment, (ii) a 3?-end DNA segment, and (iii) an RNA sequence of 1-6 bases within the molecule; and wherein each of the 5-end of the target specific array nucleic acid molecules is coupled to a detectable label. A method for detecting a target nucleic acid and a method for detecting polymorphism in a target nucleic using the array are also provided.

Abstract: The epoxy bleed out prevention method including: providing a lead frame that is manufactured through a shaping process which forms a die pad and a plurality of leads by using a conductive raw material, a pre-plating process performed on the shaped conductive raw material, and a tape attaching process; and performing a bleed out prevention process which prevents an epoxy bleed out of a die bonding epoxy-based resin applied on the die pad after the tape attaching process.

Abstract: Provided are a method of forming a solder resist layer on a printed circuit board (PCB) and a PCB comprising the solder resist layer. The method includes: preparing a PCB of which at least one surface has a circuit layer formed thereon, bonding an insulation layer, including a material having a non-photosensitive characteristic, in a half-cured state on the circuit layer, forming a solder resist layer patterned by selectively removing the insulation layer, and curing the insulation layer.

Abstract: Described herein are a composition for an improved amplification of a target nucleic material, a kit containing the composition and a method for an improved amplification. The composition contains a primer sequence which has a ribonucleic acid segment which can be cleaved by a RNase activity. The method using such primer improves probe cleavage kinetics is to increase availability or duration of a single strand template for probe binding.

Abstract: An image stabilizing apparatus for correcting an image which is shaken due to a movement of a camera. The image stabilizing apparatus includes an image adjusting unit that includes: an image analyzing unit which compares an image frame currently input with a reference image, and if the currently input image frame is shaken, extracts a representative direction and a representative magnitude of the shaking; and an image moving unit which moves the currently input image frame by the representative magnitude in a direction opposite to the representative direction.

Abstract: Provided is an image stabilizing apparatus and method for correcting an image that is shaken due to a movement of a camera. The image stabilizing apparatus includes a characterizing point checking region setting unit including: a sample frame extract unit which extracts a plurality of image frames obtained for a certain period of time in image data obtained by photographing an object; and a frame analyzing unit which detects a plurality of characterizing points in the extracted plurality of image frames, and sets a characterizing point checking region which is used to check characterizing points in a currently input image frame.

Abstract: A method of forming a via hole in a circuit board including an insulating layer and a metal layer disposed on each of top and bottom surfaces of the insulating layer, the method including: selectively removing a portion of each of the metal layers where the via hole is to be formed thereby exposing the insulating layer; and removing the exposed insulating layer, wherein the removing of the exposed insulating layer includes chemically swelling the exposed insulating layer and removing the swollen insulating layer.

Abstract: A method and system for image stabilization through image processing, and a zoom camera including an image stabilization function. The method includes: determining whether an input image comprises a representative feature portion; sampling the representative feature portion to generate a sampled image if it is determined that the input image comprises the representative feature portion; enlarging the sampled image, matching the enlarged sampled image with the sampled image, and obtaining a central coordinate of the matched image; and aligning an optical axis by calculating a difference between the central coordinate of the matched image and a central coordinate of the sampled image.

Abstract: An adsorption head for a surface mounting device, including: a main body; a shaft which moves in a direction of a longitudinal axis of the shaft and rotates around the longitudinal axis mounted on the main body, and the shaft includes a lower shaft and an upper shaft. The lower shaft is detachably attached to the upper shaft; and an adsorption nozzle which adsorbs electronic parts mounted on a lower end of the shaft, wherein an air passage connected to the adsorption nozzle is provided in the lower shaft.

Abstract: A method of manufacturing a multi-layer circuit board includes: forming a first circuit layer on a first surface of a first prepreg; stacking a second prepreg on a first surface of the first circuit layer; and forming at least one of a second or a third circuit layer on at least one of a first surface of the second prepreg and a second surface opposite of the first surface of the first prepreg, wherein, in the stacking of the first prepreg, the first prepreg and the second prepreg are semi-cured.

Abstract: Provided is an apparatus for manufacturing a double-sided mounting substrate, the apparatus including: a backup table provided under the printed circuit board at the mounting position which supports the lower surface of the printed circuit board; and a servo motor which elevates and lowers the backup table, wherein the servo motor elevates the backup table to mount the new electronic components and lowers the backup table to carry-in and to carry-away the printed circuit board based on a lower limit position of the backup table, and wherein the lower limit position of the backup table is a position separated downwardly from a reference surface at the mounting position by a distance obtained by adding a preset clearance to a sum of a maximum height of the mounted electronic components mounted on the lower surface of the printed circuit board and a thickness of the printed circuit board.

Abstract: An Ethernet-based image transmitting/receiving system including a image transmitting device configured to generate and transmit a packet including at least one multiplexed signal of a luminance signal and a chrominance signal; an image receiving device configured to receive the packet, extract the luminance signal and the chrominance signal from the multiplexed signal of the packet, store the luminance signal and the chrominance signal, and output the luminance signal and the chrominance signal by synchronizing lines with each other based on the synchronization information; and an Ethernet cable configured to connect the image transmitting device to the image receiving device and transmit the packet.

Abstract: A method of correcting a sensor that detects a detection object and generates a detection signal includes: determining a homing-signal generation time difference between points of time when the detection signal is generated according to a direction in which the detection object enters the sensor and correcting a homing-signal generation time by using the determined homing-signal generation time difference.

Abstract: A turbine impeller including a rotor; a blade extending from the rotor from a first end of the blade; and a squealer tip provided at a second end opposite to the first end of the blade, wherein at least one perforated portion penetrates through the squealer tip.

Abstract: A positive-negative-positive-positive four group zoom lens system capable of achieving about 30 times variable magnification, the positive-negative-positive-positive four group zoom lens system including, sequentially from an object side to an image side: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; and a fourth lens group having positive refractive power, wherein the first lens group includes one negative lens, the second lens group includes one positive lens, the third lens group includes a positive lens, the fourth lens group includes at least one positive lens, and a first condition, 0.03<|f2/ft|<0.08, is satisfied, wherein f2 denotes a focal length of the second lens group and ft denotes a focal length of the zoom lens system in a telephoto position.

Abstract: An apparatus for detecting an object includes a filter for filtering a current input image and a background model generated based on a previous input image, a homography matrix estimation unit for estimating a homography matrix between the current input image and the background model, an image alignment unit for converting the background model by applying the homography matrix to a filtered background model and aligning a converted background model and a filtered current input image, and a foreground/background detection unit for detecting a foreground by comparing corresponding pixels between the converted background model and the filtered current input image.

Abstract: An infrared optical lens system including: a first lens which comprises a crystalline material; and a second lens which comprises an amorphous material and is formed by using molding processing, wherein a refractive index of the first lens is greater than that of the second lens, and the first lens and the second lens are disposed in the order from an object to an image.

Abstract: Provided is a diffuser block used to form a diffuser with a plurality of the diffuser blocks, the diffuser block including: a body having a tube shape including an inner space provided inside the body, an inlet through which a fluid flows into the inner space and an outlet through which the fluid flows out of the inner space; and a first vane portion which protrudes toward the inner space from one side of the body.