Abstract: The present disclosure relates to a finger-gripper assembly and a finger-gripper assembly system including the same. The finger-gripper assembly includes a finger and a gripper to which the finger is coupled so as to be removable. The gripper includes an arm, an extender coupled to a lower end of the arm so as to be rotatable about a first axis, wherein the extender extends, from the arm along a second axis that extends in an extension direction and intersects with the first axis, and a connector coupled to a lower side of the extender so as to be movable along the second axis, wherein the connector is connectable to the finger.

Abstract: A gripper includes a base unit and finger units coupled to a protruding direction-side of the base unit. Each of the finger units includes a first link structure coupled to the base unit, a second link structure rotatably coupled to the first link structure, and a third link structure rotatably coupled to both the first link structure and the second link structure, and the second link structure includes a finger tip. When the finger unit is pressed in the protrusion direction, the finger tip is brought closer to the base unit in the protrusion direction by the first link structure. When the finger unit is further pressed in the protrusion direction, the finger tip is rotated to be oriented in a direction opposite to the protruding direction in a state in which the finger tip is oriented in a gripping direction that is a direction perpendicular to the protruding direction.

Abstract: A three-dimensional (3D) nanoprobe device includes a body portion including a plurality of body layers that are stacked, a plurality of nanoprobes respectively extending longitudinally from the body portion, with each of the plurality of nanoprobes comprising a plurality of extension layers that are stacked, and an electrode portion disposed on a portion of the body portion.

Abstract: A digital noise coupling circuit includes: an analog-to-digital converter (ADC) configured to convert a quantization error, generated in a process of converting a first analog signal into a first digital signal, into a first digital error signal; a delay cell comprising delay elements configured to delay a transmission of the first digital error signal based on a clock signal; and a digital-to-analog (DA) conversion circuit configured to perform, in an analog domain, noise shaping on the first digital error signal that is delayed and transmitted from the delay cell.

Abstract: A continuous time op-amp includes a differential op-amp configured to produce, and output through output lines, output signals amplified based on a difference between input signals inputted to the differential op-amp, and a common mode feedback (CMFB) circuit configured to feed a common mode voltage back to the op-amp through a feedback line in continuous time through a capacitive coupled path, wherein the CMFB circuit includes: feedback capacitors connected between the output lines and the feedback line; switched capacitors charged based on a common mode reference voltage; and switching elements configured to control a connection between the feedback capacitors and the switched capacitors.

Abstract: A micro electrode array (MEA) platform including a cell culture container configured to accommodate a cell culture medium to culture neurons, an MEA including an electrode configured to sense the neurons, and a temperature control device configured to control a transfer of heat generated by a heating source through a heating wire, based on whether a temperature of the cell culture medium or the electrode is equal to a reference temperature for the neurons.

Abstract: Disclosed herein are an apparatus and method for preventing a security threat to a virtual machine. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured such that a hypervisor for virtualization in a host kernel executes a virtualization instruction corresponding to the service requested by a virtual machine of a host application and such that a hypervisor for monitoring interrupts the virtualization instruction in response to a security threat event occurring in the monitoring area of the hypervisor for virtualization and controls the process and thread of the host kernel. The hypervisor for monitoring is located in an area separate from the area in which the hypervisor for virtualization is located in the host kernel.

Abstract: A current stimulator includes a first current generation circuit configured to generate a first current, injectable into a cranial nerve cell, through a current mirroring based on a plurality of transistor pairs; and a second current generation circuit, driven by a clock, configured to generate a second current smaller than the first current by controlling a charge rate based on a voltage difference between terminals of a capacitor. A first output impedance of the first current generation circuit and a second output impedance of the second current generation circuit have a magnitude greater than or equal to a predetermined ratio to a load impedance corresponding to the cranial nerve cell.

Abstract: A rehabilitation exercise device for upper and lower limbs includes: a first support supporting a user's hand or foot; a second support supporting a user's forearm or calf; a pair of first hinges rotatably connecting the first support and the second support to each other; a third support supporting a user's upper arm or thigh; a pair of second hinges rotatably connecting the second support and the third support to each other; a drive module selectively mounted on any one of the pair of first hinges and the pair of second hinges, and configured to pivot the first support or the second support; and a mounting position detecting part detecting a mounting position where the drive module is mounted from among the pair of first hinges and the pair of second hinges.

Abstract: A current stimulator includes a first current generation circuit configured to generate a first current, injectable into a cranial nerve cell, through a current mirroring based on a plurality of transistor pairs; and a second current generation circuit, driven by a clock, configured to generate a second current smaller than the first current by controlling a charge rate based on a voltage difference between terminals of a capacitor. A first output impedance of the first current generation circuit and a second output impedance of the second current generation circuit have a magnitude greater than or equal to a predetermined ratio to a load impedance corresponding to the cranial nerve cell.

Abstract: Disclosed herein are an apparatus and method for preventing a security threat to a virtual machine. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program is configured such that a hypervisor for virtualization in a host kernel executes a virtualization instruction corresponding to the service requested by a virtual machine of a host application and such that a hypervisor for monitoring interrupts the virtualization instruction in response to a security threat event occurring in the monitoring area of the hypervisor for virtualization and controls the process and thread of the host kernel. The hypervisor for monitoring is located in an area separate from the area in which the hypervisor for virtualization is located in the host kernel.

Abstract: A device with wireless communication includes: an input receiver configured to receive an input signal having a carrier frequency; a delay circuit configured to generate a delayed signal by delaying the input signal; and a clock generator configured to generate a clock signal having a clock frequency based on the delayed signal and the input signal.

Abstract: A near field communication (NFC) transceiver includes a receiver, a transmitter, and a clock recovery circuit. The receiver is configured to recover a reception (RX) frame encoded with power supply information and information transmitted from a reader to a tag. The transmitter is configured to recover a transmission (TX) frame by a subcarrier load modulation scheme for information transmitted from the tag to the reader. The clock recovery circuit is configured to recover a carrier signal of the TX frame as a baseband clock signal of the NFC transceiver through a rail-to-rail boosting.

Abstract: A near field communication (NFC) transceiver includes a receiver, a transmitter, and a clock recovery circuit. The receiver is configured to recover a reception (RX) frame encoded with power supply information and information transmitted from a reader to a tag. The transmitter is configured to recover a transmission (TX) frame by a subcarrier load modulation scheme for information transmitted from the tag to the reader. The clock recovery circuit is configured to recover a carrier signal of the TX frame as a baseband clock signal of the NFC transceiver through a rail-to-rail boosting.

Abstract: A device with wireless communication includes: an input receiver configured to receive an input signal having a carrier frequency; a delay circuit configured to generate a delayed signal by delaying the input signal; and a clock generator configured to generate a clock signal having a clock frequency based on the delayed signal and the input signal.

Abstract: An apparatus for monitoring file access in a virtual machine in a cloud-computing system based on a virtualized environment includes a hypervisor for implementing at least one virtual machine and managing the virtual machine by monitoring a task in which a the virtual machine accesses a file loaded from storage to memory, the storage storing data including environment information of the virtual machine.

Abstract: A clock frequency supply device includes: a frequency tuner configured to receive an input signal with a carrier frequency, and tune an oscillation frequency of an oscillator based on the carrier frequency; an injector configured to inject the input signal directly into the oscillator after the tuning of the oscillation frequency is completed; and an oscillator configured to generate a reference clock signal with a reference clock frequency based on the injected input signal.

Abstract: An apparatus and method for storing an audit trail in response to execution of a virtual-machine process. The method for storing an audit trail, performed by the apparatus for storing an audit trail in response to execution of a virtual-machine process, includes detecting execution of a process inside a virtual machine, determining whether the executed process is a monitoring target process and determining a type of the process, activating one or more monitoring events for monitoring at least one of an upload, a download and a drop by the process based on a result of the determination, and storing information about occurrence of the activated monitoring event as an audit trail.

Abstract: An apparatus and method for collecting an audit trail in a virtual machine boot process, the audit-trail-collecting apparatus including an event detection unit for detecting a software interrupt event, a register state information extraction unit for extracting state information of a CPU register corresponding to a detection time of the software interrupt event, a monitoring unit for monitoring a change in a vector value corresponding to the software interrupt event in an interrupt vector table, a threat occurrence detection unit for detecting a threat occurrence in a virtual machine boot process based on at least one of the CPU register state information and a monitored result, and an audit trail collection unit for storing an audit trail corresponding to at least one of the CPU register state information and the monitored result when the threat occurrence is detected in the virtual machine boot process.

Abstract: Provided is an easily cleanable water and oil fryer. A fryer body has an accommodation space for water and oil. Frying residue is collected the fryer body by a cyclone. The fryer body is seated within a base frame. A controller is disposed in the base frame. A heater heats the oil. A cleaning circulation line includes a drain pipe disposed in a lower central portion of the fryer body to receive the water and the frying residue are introduced, a connecting pipe connected to the drain pipe via a connector, and an inlet pipe connected to the drain pipe via the connecting pipe to circulate the water by resupplying the water, from which the frying residue is removed by a filter unit, in response to opening and closing of a bidirectional valve. A circulation pump is connected to the cleaning circulation line to circulate the water.