Abstract: A semiconductor memory device includes a bit line sense amplifier block array, upper and lower memory cell arrays and a sense amplifier controller. The bit line sense amplifier block array senses and amplifies data of a memory cell array. The upper and the lower memory cell arrays are respectively connected to upper and lower sides of the bit line sense amplifier block array and store the data in the memory cell array. The sense amplifier controller selectively connects one of the upper and lower memory cell arrays to the bit line sense amplifier block array in response to an active command, and releases the connection when a corresponding one of the upper and lower memory cell arrays are not selected but overdriven.

Abstract: A robot joint driving apparatus is smoothly operated without generation of backlash. A robot includes the robot joint driving apparatus. The robot joint driving apparatus includes an internal gear having a ring shape, a main pulley arranged at the center of the internal gear and connected to a power source, first and second pinion gears provided at both sides of the main pulley and engaged with the internal gear, first and second pulleys respectively fastened to the first and second pinion gears, first and second belts respectively connecting the main pulley and the first and second pulleys, and tension adjustment units to adjust tensions of the first and second belts.

Abstract: A compact exoskeleton arm support device compensates for gravity. The compact exoskeleton arm support device compensating for gravity may include at least five joints. Among the at least five joints, two joints may be driven by actuators, and the remaining joints may be driven by user force. The compact exoskeleton arm support device compensating for gravity effectively uses the actuators, thereby increasing operating efficiency and reducing production costs.

Abstract: A control unit that outputs a plurality of control signals in response to the input of a plurality of counter enable signals allocated into the numerical value of a multiple of 2 is provided. An operating unit increments or decrements by a multiple of 2 in response to input of the plurality of control signals and count up-down signals.

Abstract: A low-current consumption semiconductor memory device includes a plurality of cell blocks, in which each cell block includes a plurality of cell mats; a plurality of input/output line switches which transmit the plurality of cell blocks to input/output lines; and an input/output line control circuit which receives a block address indicating arbitrary blocks among the plurality of cell blocks and an active command to control a drive of an input/output line switch according to an input level of the block address.

Abstract: Disclosed are a robot joint driving apparatus and a robot having the same, capable of minimizing a load applied to a drive motor by rotating a ball nut part such that a ball screw part performs linear movement in a power transmission structure using a wire and the ball screw apparatus. The robot joint driving apparatus includes a reversible drive motor, a ball nut part rotated according to operation of the drive motor, a ball screw part performing linear movement according to rotation of the ball nut part, a wire connected to the ball screw part from both sides of the ball screw part, an idle pulley rotatably installed at one side of the wire, and a joint part rotatably installed at an opposite side of the wire.

Abstract: Provided is a method of using a rotational movement amount of a mobile device including obtaining images at two different points on a path along which the mobile device moves, searching for matching points with respect to the obtained images and obtaining an image coordinate value of each of the matching points, sensing linear movement of the mobile device and obtaining a linear movement amount using a result of sensing, and obtaining the rotational movement amount using the image coordinate values and the linear movement amount.

Abstract: An apparatus for adjusting a resistance value of a driver of a semiconductor integrated circuit in which the resistance value of the driver is adjusted according to a code signal. The apparatus includes a control means that generates a plurality of counting mode signals such that the unit of counting is changed in a predetermined period, a counting means that counts the code signal in the unit of counting that is changed in response to the plurality of counting mode signals, according to a count up/down signal, and a comparing means that compares a voltage obtained by converting the code signal with a reference voltage to generate the count up/down signal.

Abstract: A clock test apparatus for a semiconductor integrated circuit includes a delay unit configured to delay an internal clock signal. A comparison unit compares the phase of an output signal of the delay unit with the phase of a reference clock signal. A phase discrimination unit receives a test mode signal, the reference clock signal, and an output signal of the comparison unit, thereby outputting a discrimination signal.

Abstract: A control unit that outputs a plurality of control signals in response to the input of a plurality of counter enable signals allocated into the numerical value of a multiple of 2 is provided. An operating unit increments or decrements by a multiple of 2 in response to input of the plurality of control signals and count up-down signals.

Abstract: Disclosed herein are a device and method of controlling a manipulator. The device includes a device to control a manipulator, including a sensing unit to sense a joint position and joint torque of the manipulator a disturbance estimator to estimate disturbance torque using a state space equation with respect to the manipulator having the sensed joint position and joint torque as input; and a controller to control the manipulator based on the estimated disturbance torque.

Abstract: A humanoid robot to naturally imitate various motions and gestures of humans and a shoulder joint assembly thereof is disclosed. The humanoid robot includes a first shoulder joint device disposed between a body and an arm of the robot, to move the arm. The entire first shoulder joint device is movable relative to the body. For this, a second shoulder joint device may be installed between the body and the first shoulder joint device to move the first shoulder joint device.

Abstract: A control unit that outputs a plurality of control signals in response to the input of a plurality of counter enable signals allocated into the numerical value of a multiple of 2 is provided. An operating unit increments or decrements by a multiple of 2 in response to input of the plurality of control signals and count up-down signals.

Abstract: A landmark detection apparatus and method, the apparatus including a first detection unit that generates N first sample blocks in a first sampling region using a first weighted sampling method according to a first degree of dispersion, and that performs a first landmark detection by comparing a feature of each first sample block a feature of a landmark model, where the first sample region is set to the entirety of a current frame image; and a second detection unit that generates N second sample blocks in a second sampling region using a second weighted sampling method according to a second degree of dispersion, and that performs a second landmark detection by comparing a feature of each second sample block the feature of the landmark model, where the second sampling region is set to an area less than the entirety of the current frame image.

Abstract: Disclosed is a compliant joint achieving passive compliance. The compliant joint includes a housing and a rotating member mutually rotatably provided; and a cam provided between the housing and the rotating member, and connected to the housing and the rotating member respectively. The cam is connected to the rotating member to rotate together with the rotation of the rotating member, or be independent of the rotating member so as to move in the axial direction of the rotating member separately from the rotating member. The cam is connected to the housing such that the cam can maintain the connection with the housing when external force below a designated value is applied to the rotating member, and release the connection with the housing in the case that external force more than the designated value is applied to the rotating member.

Abstract: A low-current consumption semiconductor memory device includes a plurality of cell blocks, in which each cell block includes a plurality of cell mats; a plurality of input/output line switches which transmit the plurality of cell blocks to input/output lines; and an input/output line control circuit which receives a block address indicating arbitrary blocks among the plurality of cell blocks and an active command to control a drive of an input/output line switch according to an input level of the block address.

Abstract: A motion estimation method and system for a mobile body are provided. The method includes: obtaining magnetic field information from compass information of the mobile body; comparing the magnetic field of the mobile body with a predetermined value and determining whether a position of the mobile body belongs to a specific region according to the comparison result; and estimating a direction of the mobile body by determining whether a compass azimuth angle is used for direction estimation of the mobile body according to the determination result.

Abstract: A method for constructing an artificial mark for autonomous driving of an intelligent system, an apparatus and method for determining the location of an intelligent system using the artificial mark, and an intelligent system employing the same.

Abstract: A compliant joint capable of achieving passive compliance for a robot in order to prevent an injury to a human by collision with the robot. The compliant joint includes a housing, a cam member rotatably mounted in the housing, a roller spring device mounted to the cam member to be compressed and extended, a guiding member formed in the housing to guide compression and extension of the roller spring device in accordance with rotation of the cam member, and a receiving recess formed at the guiding member to engage the housing and the cam member with each other by receiving the roller spring device and release the engagement by separating from the roller spring device. Accordingly, robustness of the robot can be maintained when an impact less than a predetermined magnitude is applied, while being suddenly decreased when an impact greater than the magnitude is applied.

Abstract: An apparatus for adjusting a resistance value of a driver of a semiconductor integrated circuit in which the resistance value of the driver is adjusted according to a code signal. The apparatus includes a control means that generates a plurality of counting mode signals such that the unit of counting is changed in a predetermined period, a counting means that counts the code signal in the unit of counting that is changed in response to the plurality of counting mode signals, according to a count up/down signal, and a comparing means that compares a voltage obtained by converting the code signal with a reference voltage to generate the count up/down signal.