31
Yoon Yeong Hyeon: Process for producing polyester yarn for artificial hair. Samyang Corpotation, May 31, 1999: KR1019970020039

PURPOSE: Provided is polyester yarn for artificial hair similar to natural hair, which is excellent in evenness and strength and shows homogeneous quenching effect. CONSTITUTION: The polyester yarn is produced by a process comprising the steps of: mixing low viscosity liquid polyester having a molec ...


32
Han Seok Gil, Kang Gwang Yong, Kim Je Ha: High temperature superconductivity closed-loop resonator type 4-pole band pass filter for microwave and method for manufacturing the same. Korea Electronics &Amp Amp Telecommunications Research Institute, May 31, 1999: KR1019970019248

PURPOSE: A high temperature super conductivity closed-loop resonator type 4-pole band pass filter for microwave and a method for manufacturing the same are provided to reduce a loss of signal by forming a micro-strip closed-loop type resonator and micro-strip coupling lines on a superconductivity ep ...


33
Kim Gi Baek, Kwon Wook Hyun, Lee Jae Won, Moon Young Soo, Park Byung Gun: Method and apparatus for driving 10x10 bar led element. Kwon Wook Hyun, Moon Young Soo, Park Byung Gun, May 31, 1999: KR1019970019166

PURPOSE: A method and apparatus for driving a 10×10 bar LED element are provided to drive 10×10 LED element which has 10 data and scan lines. CONSTITUTION: A latch(20) temporarily stores an input signal of 8 bits having upper 4 bits indicating 10 of an LED number and lower 4 bits indicat ...


34
Lee Hyeon Jae, Park Seo Yeon, Ryu Gap Yeol: Wavelength alignment device using arrayed waveguide grating. Korea Electronics &Amp Amp Telecommunications Research Institute, Korea Telecom, May 31, 1999: KR1019970019034

PURPOSE: A wavelength alignment device using AWG(arrayed waveguide grating) is provided to align wavelengths by equal and unequal intervals for suppressing the crosstalk due to four wave mixing effect, thereby sustaining the compatibility between multi channel optical transfer systems. CONSTITUTION: ...


35
Kim Yeong Pal: Sealing cap for heat exchanger of air conditioner. Mando Machinery, May 31, 1999: KR1019970018662

PURPOSE: A sealing cap is provided to easily inject nitrogen gas for preventing an oxidation into a tube of a heat exchanger through the sealing cap without a nitrogen gas injecting tube. CONSTITUTION: A sealing cap(16) for a heat exchanger(11) of an air conditioner contains a tube(12) to flow a ref ...


36
Kim Jae Myeong, Kwon Tae Gon, Park Se Gyeong: Method for selecting optimal orbit of satellite. Korea Electronics &Amp Amp Telecommunications Research Institute, Korea Telecom, May 31, 1999: KR1019970018818

PURPOSE: An optimal satellite orbit selecting method is provided to choose an optimal orbit of a new satellite to minimize interference between the new satellite and the other satellite by considering a variable orbit position of a registered satellite network among the other satellites of stopped s ...


37
Baek Yeong Sik, Kang Hun, Lee Sang Man: Failure admission network and method for processing packet using thereof. Korea Electronics &Amp Amp Telecommunications Research Institute, May 31, 1999: KR1019970017716

PURPOSE: A failure admission network and the method for processing a packet using the network are provided to enable the network to have high reliability, and present an efficient packet control algorithm. CONSTITUTION: A plurality of lower dual transmit/dual receive(DRDT) nodes(D-node/L)(211,212,21 ...


38
Lee Gi Yeong: Transferring device. Samhwa Machine, May 31, 1999: KR1019970017498

PURPOSE: A transferring device is provided to freely regulate a position at any angles, to reduce the decrease of operation by quickly corresponding to the deformation during press production and to enable a beginner to decompose, assemble and install the transfer device. CONSTITUTION: A transferrin ...


39
Oh Chil Hwan: Measuring device of state of wrinkles on skin. Oh Chil Hwan, May 31, 1999: KR1019970015374

PURPOSE: A measuring device of state of skin wrinkles using a stereo microscope is provided to judge the aged state of the wrinkles precisely without side effects on the skin. CONSTITUTION: The device comprises an image data output part outputting left and right analog data varied from left and righ ...


40
Kim Dong Hwan, Kim Kyung Hwan: Treatment equipment of fine impurities contained in waste liquid. Kim Dong Hwan, Kim Kyung Hwan, May 31, 1999: KR1019970010243

PURPOSE: A treatment equipment of fine impurities is provided, which can improve the filtering efficiency by removing impurities coated with scrapping plate and can increase the treating efficiency by removing the scrapped impurities through screws. The fine suspended particles can be filtered by fi ...