Abstract: Provided herein is a memory device that may include a string, a voltage generation circuit, a page buffer, and a channel initializing circuit. The string may include select transistors and memory cells coupled in series between a bit line and a source line. The page buffer may be configured to precharge or discharge the bit line. The voltage generation circuit may be configured to apply a turn-on voltage or a turn-off voltage to select lines coupled to the select transistors, apply at least one operating voltage to word lines coupled to the memory cells, or discharge the select lines or the word lines. The channel initializing circuit may be configured to control the voltage generation circuit and the page buffer so as to initialize a channel of the string when an operation performed on the memory cells is completed or is suspended before being completed.

Abstract: The present invention provides a method of determining rarity of a signal. The method of determining rarity of a signal includes receiving group biometric information data for a certain period through a sensor, extracting, by an extraction processor, partial data in the received group biometric information data, calculating, by a comparison processor, a cumulative distribution function (CDF) based on the group biometric information data, calculating, by the comparison processor, a sample rarity score of the extracted partial data based on the calculated CDF, and calculating a group rarity score from the sample rarity score, and comparing, by the comparison processor, the group rarity score of the extracted partial data with a threshold value to determine whether a singularity is present.

Abstract: The present invention discloses a federated learning booking platform with a clustered architecture includes a second user end having a dataset and a training end including a main server and a sub-server operated under an assignment from the main server. The main server includes a service server, and the sub-server includes a backup server. The service server is configured to receive the booking information and communicate with the backup server and the first user end based on the booking information. The backup server is configured to store the dataset of the second user end. When the first user end enters the booking information, the first user end trains in synchronization with the backup host. Such that, the training success rate may be significantly improved.

Abstract: The present disclosure relates to a tree-search based trajectory planning and resource management method and apparatus of an unmanned aerial vehicle base station. The tree-search based trajectory planning and resource management method of an unmanned aerial vehicle base station according to an embodiment of the present disclosure includes: decomposing an optimization problem of trajectory planning, user association (UA), resource allocation (RA), and power control (PC) related to the unmanned aerial vehicle base station into a time axis; managing resources by jointly optimizing variables of the UA, RA, and PC for an arbitrary location of the unmanned aerial vehicle base station; and obtaining the trajectory planning by obtaining position variables based on the obtained predetermined function value and a depth-first search (DFS) algorithm.

Abstract: An embodiment primer coating composition includes 20 to 25 wt % of a chlorinated polyolefin (CPO) resin having a weight-average molecular weight (Mw) of 50,000 to 100,000 g/mol, 2 to 4 wt % of a modified polyester, and 75 to 85 wt % of a hydrocarbon-based solvent. An embodiment coated automotive article includes a printing layer on a base layer, the printing layer including a laser pattern, a primer layer on the printing layer, the primer layer including a primer coating composition including 20 to 25 wt % of a chlorinated polyolefin (CPO) resin having a weight-average molecular weight (Mw) of 50,000 to 100,000 g/mol, 2 to 4 wt % of a modified polyester, and 75 to 85 wt % of a hydrocarbon-based solvent, and a clear layer on the primer layer.

Abstract: A reliability measuring apparatus includes an oxide-nitride-oxide-alumina (ONOA) current measuring circuit configured to measure an ONOA current by applying an ONOA current measuring voltage to a selected word line coupled to a selected memory cell in a flash memory and a reliability indicator generator configured to a reliability indicator using the ONOA current measured through the measuring circuit.

Abstract: Provided herein is a memory device that may include a string, a voltage generation circuit, a page buffer, and a channel initializing circuit. The string may include select transistors and memory cells coupled in series between a bit line and a source line. The page buffer may be configured to precharge or discharge the bit line. The voltage generation circuit may be configured to apply a turn-on voltage or a turn-off voltage to select lines coupled to the select transistors, apply at least one operating voltage to word lines coupled to the memory cells, or discharge the select lines or the word lines. The channel initializing circuit may be configured to control the voltage generation circuit and the page buffer so as to initialize a channel of the string when an operation performed on the memory cells is completed or is suspended before being completed.

Abstract: The wake-up detection device may include a sensor configured to detect a movement of a person and a biosignal of the person; and a controller configured to analyze the movement and the biosignal recognized by the sensor, and determine whether the person wakes up from sleep, on the basis of a result of analyzing the movement and the biosignal. The controller may determine a change in a heart rate of the person when the person converts from a sleep state to a non-sleep state, and when it is determined that the change in the heart rate and the movement of the person increase, the controller may output a first alarm.

Abstract: A method of acupuncture needle packaging includes inserting an acupuncture needle body of an acupuncture needle including an acupuncture needle handle at an upper portion thereof into an acupuncture needle tube starting from the acupuncture needle handle; disposing the acupuncture needle in the acupuncture needle tube in a state in which the upper portion of the acupuncture needle handle is exposed to an exterior of the acupuncture needle tube; ascending the upper portion of the acupuncture needle handle exposed to the exterior using a pressing jig; irradiating a laser to an area where the acupuncture needle tube and the acupuncture needle handle abut each other; and coupling the acupuncture needle handle and the acupuncture needle tube by thermally deforming the area where the acupuncture needle tube and the acupuncture needle handle abut each other with a heat generated by the laser.

Abstract: Proposed is a wireless communication-based system for managing a lubricating oil injection apparatus, the system including: a lubricating oil injection apparatus being installed in an industrial mechanical apparatus and automatically operating in a situational manner, thereby injecting lubricating oil; a monitoring unit being installed in the lubricating oil injection apparatus, checking a state thereof, generating a first signal containing information on the checked state, and transmitting the generated first signal to the outside through wireless communication; a user terminal receiving the first signal from the monitoring unit, outputting the information on the checked state, the information being contained in the first signal, and transmitting the first signal to the outside; a management server receiving the first signal from the user terminal; and a database receiving the first signal from the management server and storing the received first signal on a per lubricating oil injection apparatus basis.

Abstract: Proposed is a wireless communication-based system for managing a lubricating oil injection apparatus, the system including: a lubricating oil injection apparatus being installed in an industrial mechanical apparatus and automatically operating in a situational manner, thereby injecting lubricating oil; a monitoring unit being installed in the lubricating oil injection apparatus, checking a state thereof, generating a first signal containing information on the checked state, and transmitting the generated first signal to the outside through wireless communication; a user terminal receiving the first signal from the monitoring unit, outputting the information on the checked state, the information being contained in the first signal, and transmitting the first signal to the outside; a management server receiving the first signal from the user terminal; and a database receiving the first signal from the management server and storing the received first signal on a per lubricating oil injection apparatus basis.

Abstract: A method of acupuncture needle packaging includes inserting an acupuncture needle body of an acupuncture needle including an acupuncture needle handle at an upper portion thereof into an acupuncture needle tube starting from the acupuncture needle handle; disposing the acupuncture needle in the acupuncture needle tube in a state in which the upper portion of the acupuncture needle handle is exposed to an exterior of the acupuncture needle tube; ascending the upper portion of the acupuncture needle handle exposed to the exterior using a pressing jig; irradiating a laser to an area where the acupuncture needle tube and the acupuncture needle handle abut each other; and coupling the acupuncture needle handle and the acupuncture needle tube by thermally deforming the area where the acupuncture needle tube and the acupuncture needle handle abut each other with a heat generated by the laser.

Abstract: Disclosed is an apparatus for detecting fall and rise. The apparatus includes a first sensor unit disposed at a first height and configured to sense a movement of a resident, a second sensor unit disposed at a second height higher than the first height and configured to sense the movement of the resident, and a controller configured to sense a falling behavior and a rising behavior of the resident based on distances from the resident measured by the first sensor unit and the second sensor unit. The controller sets the first sensor unit and the second sensor unit such that, among three axis coordinates of the first sensor unit and the second sensor unit in a 3D orthogonal coordinate system, two axis coordinates thereof coincide with each other.

Abstract: A semiconductor device includes a memory string coupled between a common source line and a bit line, the memory string including at least one first selection transistor, a plurality of memory cells, and a plurality of second selection transistors. The semiconductor device also includes selection lines respectively coupled to the second selection transistors. The semiconductor device further includes a control logic circuit configured to float a first group of selection lines from among the selection lines at a first time and configured to float a second group of selection lines from among the selection lines at a second time different from the first time.

Abstract: The present disclosure provides an emergency determination device. The emergency determination device includes a sensor configured to detect a vital sign of a person and a hand gesture of the person within a predetermined range, and a determiner configured to analyze the vital sign recognized by the sensor, to additionally analyze the hand gesture based on a result obtained by analyzing the vital sign, and to determine whether the emergency occurs, wherein the determiner analyzes the vital sign and determines whether the emergency occurs after the sensor detects a wake-up behavior.

Abstract: The present disclosure provides an emergency determination device. The emergency determination device includes a sensor configured to detect a vital sign of a person and a hand gesture of the person within a predetermined range, and a determiner configured to analyze the vital sign recognized by the sensor, to additionally analyze the hand gesture based on a result obtained by analyzing the vital sign, and to determine whether the emergency occurs, wherein the determiner analyzes the vital sign and determines whether the emergency occurs after the sensor detects a wake-up behavior.

Abstract: A vehicle occupant detection device according to an embodiment of the present invention is provided. The vehicle occupant detection device includes a sensor unit disposed in a vehicle to detect biometric information of an occupant located in a front seat of the vehicle and a rear seat of the vehicle, a control unit analyzing the biometric information measured by the sensor unit, and an output unit outputting a warning message on the basis of the information analyzed by the control unit, wherein the control unit determines that the occupant located in the rear seat is in a dangerous state when the biometric information is not detected in the front seat but detected in the rear seat.

Abstract: A card skimming prevention device according to an embodiment of the present invention is provided. The card skimming prevention device includes a sensor unit detecting a movement of an object inserted into or ejected from a card slot of an automated teller machine and a user who inserts the object, and a control unit determining whether or not a card skimmer is inserted into the card slot on the basis of whether or not the object is ejected after the object is inserted, wherein the sensor unit detects whether the object is inserted into the card slot or ejected from the card slot via a distance from the object.

Abstract: An embodiment of the present invention provides a smart building system. The smart building system includes a sensor unit located in a indoor space to sense the presence of a person in the indoor space and biometric information of the person located in the indoor space, a determination unit determining whether or not the person is located in the indoor space on the basis of the information acquired by the sensor unit, and a controller controlling an indoor controller disposed inside the indoor space on the basis of the information determinate by the determination unit.

Abstract: Disclosed is an apparatus for detecting fall and rise. The apparatus includes a first sensor unit disposed at a specific height of an indoor space and configured to sense a falling behavior of a resident to below the specific height and a rising behavior of the resident to above the specific height, and a controller configured to determine whether or not the resident is in a dangerous state based on whether or not the rising behavior of the resident is sensed within a designated time after sensing the falling behavior of the resident by the first sensor unit.