Abstract: A method of determining optimal parameters for measuring biological signals of a real body by using a virtual body model modeling a virtual body simulating the real body includes generating a plurality of virtual biological signals of the virtual body using the virtual body model by changing parameters that determine characteristics of the virtual biological signals; selecting at least one of the virtual biological signals based on a characteristic of one of the biological signals of the real body; and outputting at least one parameter used to generate the selected at least one virtual biological signal as at least one optimal parameter for measuring the one biological signal of the real body.

Abstract: Disclosed herein is an optical connection. In the present invention, an element wire is removably fastened to the optical connector by tightening a main wire connection member using a tightening member from a state in which a plug, a main wire aligning member, a spring, a fastening member, the main wire connection member and the tightening member are previously assembled together. Consequently, only a related optical line need be repaired or replaced with another one, so that the optical line connection work is markedly simplified and can be performed conveniently. Furthermore, there is an advantage of efficient reuse of components.

Abstract: A drum washing machine and a method of controlling the same. The locked state of a door is released for a predetermined period of time without interrupting water supply or water drainage for a user to open the door, during supplying or draining of water, when a washing or dewatering operation of the drum washing machine is initiated or when the washing or dewatering operation of the drum washing machine is resumed after the washing or dewatering operation of the drum washing machine is interrupted. Consequently, additional laundry may be safely and conveniently put into a rotary tub or the laundry or foreign matter may be removed from the rotary tub with improved washing and dewatering efficiency.

Abstract: Disclosed herein is an optical connection. In the present invention, an element wire is removably fastened to the optical connector by tightening a main wire connection member using a tightening member from a state in which a plug, a main wire aligning member, a spring, a fastening member, the main wire connection member and the tightening member are previously assembled together. Consequently, only a related optical line need be repaired or replaced with another one, so that the optical line connection work is markedly simplified and can be performed conveniently. Furthermore, there is an advantage of efficient reuse of components.

Abstract: A washing machine and a control method thereof are provided, which control a rotational speed of a rotary tub (or revolutions per minute: RPM of a motor) according to a vibration level thereof to attenuate a vibration of the rotary tub. The washing machine includes the rotary tub, the motor, a vibration detecting unit and a control unit. The motor is linked to the rotary tub to be supplied with drive power and rotates the rotary tub. The vibration detecting unit detects the vibration level of the rotary tub using a variation of the drive power supplied to the motor when the motorrotates. The control unit controls a current rotational speed of the motor to be increased, maintained or decreased according to the vibration level of the rotary tub detected by the vibration detecting unit.

Abstract: An apparatus for controlling a motor in a washing machine, which includes a speed sensor for measuring speed of the motor, and a controller that compares the measured speed with a target speed to estimate a motor power applied to the motor, adjusts a running rate of the motor according to the comparison, and controls the motor according to the adjusted running rate. The motor power is estimated based on the motor speed, and the running rate is adjusted down if the estimated motor power is too high, thereby preventing overheating of the motor and an inverter, which may be caused in wash or rinse cycles. The apparatus can be implemented without using a temperature sensor, thereby reducing economic burden. Further, the motor does not stop due to an increase in the temperature of the motor, thereby preventing an unnecessary increase in the time required to complete washing.

Abstract: An apparatus for driving a lamp of a liquid crystal display device includes a control signal generator generating a switching control signal, a waveform modulator modulating at least an amplitude of the switching control signal to generate a modulated switching control signal, and an AC waveform generator converting a supply voltage based on the modulated switching control signal to generate an AC waveform for driving the lamp, the AC waveform including at least two different peak-to-peak amplitudes within a time period.

Abstract: A method for forming a T-shape gate having a length below 0.25 .mu.m for use in ultra-frequency semiconductor devices is disclosed. The insulating layer is side-etched by using the gate mask pattern through a conventional photolithography, the length of the insulating layer being controlled by the side-etching. The length of the insulating layer determines the length of the T-shape gate for allowing the T-shape gate having the length below 0.25 .mu.m to be obtained.