Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.

Abstract: Provided is a method for preparing an asymmetric linear carbonate, the method comprising: subjecting two kinds of different symmetric linear carbonates to a transesterification reaction in the presence of a metal alkoxide catalyst to prepare an asymmetric linear carbonate, wherein the metal of the metal alkoxide is at least one selected from the group consisting of aluminum (Al), magnesium (Mg), germanium (Ge), gallium (Ga), cobalt (Co), calcium (Ca), hafnium (Hf), iron (Fe), nickel (Ni), niobium (Nb), molybdenum (Mo), lanthanum (La), rhenium (Re), scandium (Sc), silicon (Si), tantalum (Ta), tungsten (W), yttrium (Y), zirconium (Zr) and vanadium (V). Also provided is an asymmetric linear carbonate including the metal alkoxide catalyst.

Abstract: Provided is a Raman scattering measurement apparatus including a light source which emits light to smoke particles, a filter configured to block light which is incident to the smoke particles and passes through the particle and to allow Raman scattered light to pass therethrough, and a photodetector which detects the Raman scattered light passing through the filter in order to distinguish fire smoke generated due to a true fire from non-fire smoke generated due to daily life or industrial activity. The present invention also provides a fire determination apparatus including a unit which reads a Raman shift from Raman scattered light detected by the photodetector of the Raman scattering measurement apparatus, estimates a smoke component from the read Raman shift, and determines fire/non-fire from the estimated smoke component and a method thereof.

Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.

Abstract: A method of a terminal may comprise: receiving a first message including state information of a base station from the base station; identifying preliminary inactive state information included in the first message when the state information of the base station indicates a preliminary inactive state; and performing a cell selection based on the preliminary inactive state information.

Abstract: A motor drive device includes: a first inverter including a plurality of first switching elements and connected to a plurality of coils; a second inverter including a plurality of second switching elements and connected to the plurality of coils; a plurality of transfer switching elements connected to the second ends; a capacitor disposed at one side of a casing of a motor; first and second cooling channels disposed at both sides of the capacitor; a plurality of first power modules including some of the plurality of first switching elements and some of the transfer switching elements; and a plurality of second power modules including some of the plurality of second switching elements.

Abstract: Various embodiments of the present invention relate to a method for detecting and controlling a battery status by using a sensor, and an electronic device using the same, the electronic device comprising: a housing; an accommodation part arranged inside the housing and including at least one gas sensor; a battery arranged inside the housing; a memory for storing information, acquired by the at least one gas sensor, on gas leaked from the battery and operation control information of the electronic device; and a processor electrically connected to the memory, wherein the processor is configured to acquire a detection signal of gas leaked from the battery by using the at least one gas sensor, and control the operation of at least a part of the electronic device and/or charging characteristics of the battery when the acquired gas detection signal exceeds a predetermined threshold value, so as to detect, in real time, a gas leakage of the battery occurring because of the exposure of the electronic device to high t

Abstract: An electronic apparatus and a method of controlling a plurality of devices by the electronic apparatus are provided. The method includes receiving data from a plurality of devices, determining a correlation between at least two devices among the plurality of devices on the basis of the received data, determining a position of a first device on the basis of the correlation, grouping the first device and another device positioned in the vicinity of the first device into one group, and automatically creating group information, and controlling the devices included in the group. The name of the first device may be automatically set using the group information.

Abstract: A method by which a server controls plural devices includes receiving a trigger signal generated by a sensor in a home in response to a mobile device being present at a specific location in the home, determining devices corresponding to the specific location by using the trigger signal, receiving context information indicating a situation of a user from the mobile device, selecting context information related to operations of the determined devices from among the received context information by using keywords respectively related to the devices, each of the operations corresponding to each of the devices, and providing the selected context information to the devices respectively so that each of the devices performs the operations.

Abstract: According to one embodiment, a method for remotely controlling peripheral devices in a mobile communication terminal includes acquiring a profile for a controlled peripheral device, configuring a control application for the controlled peripheral device based on the acquired profile, and controlling the controlled peripheral device using the configured control application.

Abstract: A system for providing a life log service and a method of providing the life log service. The computing device for providing the life log service includes: a display which displays a map in a first display area and which displays like content in a second display area; and a processor including a content generator which generates the life content of a user based on a current position of the computing device, and a controller, which, in response to the generated live content, updates the second display area in real time to display the generated life content and updates the map in the first display area to display a path synchronized with the generated life content.

Abstract: A method by which a server controls a home device is provided. The method includes receiving a trigger signal generated by a sensor in a home in response to a mobile device being present at a specific location in the home, determining a home device corresponding to the specific location by using the trigger signal, selecting context information related to an operation of the determined home device from among context information received from the mobile device, and providing the selected context information to the home device.

Abstract: An electronic device is provided. The electronic device includes a display disposed toward a first surface, a housing including an opening formed toward a second surface, a tray including a hole formed toward the second surface, a sensor module that is able to be seated on the tray, a connector disposed adjacent to the opening inside the electronic device to receive the tray and the sensor module, and a processor configured to control the sensor module when the sensor module is inserted into the connector. The sensor module includes a gas sensor, a sensor chamber, and a pipe forming a path allowing gas, which is introduced through the hole, to move into the sensor chamber.

Abstract: Various embodiments of the present disclosure relate to an electronic device including an environment sensor and a method for controlling an operation thereof. The electronic device may comprise: at least one environment sensor; and at least one processor functionally coupled to the at least one environment sensor and configured to control the at least one environment sensor to collect environment information at designated intervals, to recognize presence or absence of a user based on the collected environment information, and to control an operation of the electronic device according to the presence or absence of the user. Other various embodiments are possible.

Abstract: An electronic device is provided. The electronic device includes a display disposed toward a first surface, a housing including an opening formed toward a second surface, a tray including a hole formed toward the second surface, a sensor module that is able to be seated on the tray, a connector disposed adjacent to the opening inside the electronic device to receive the tray and the sensor module, and a processor configured to control the sensor module when the sensor module is inserted into the connector. The sensor module includes a gas sensor, a sensor chamber, and a pipe forming a path allowing gas, which is introduced through the hole, to move into the sensor chamber.

Abstract: This electronic device comprises: a sensor including a plurality of pixels disposed in a first direction; a processor electrically connected to the sensor; and a memory electrically connected to the processor. When implemented, the processor uses sensing data sensed by the sensor and determine user position information, and the memory may store instructions for carrying out a movement corresponding to the user position information.

Abstract: A system and method for providing location-based personalized information by using user location history information, whereby battery consumption of a computing device is reduced. The computing device includes: a location finder configured to obtain user location information of a user of the computing device; a display configured to display information indicating a route of the user of the computing device; and a controller configured to track a location of the user by controlling the location finder as the controller senses a change in the location of the user based on the obtained user location information, obtain information corresponding to an initial route of the user based on the tracked location of the user, detect a predicted route of the user from user location history information based on the information corresponding to the initial route of the user, and display on the display unit the predicted route.

Abstract: A system for providing a life log service and a method of providing the life log service. The computing device for providing the life log service includes: a display which displays a map in a first display area and which displays like content in a second display area; and a processor including a content generator which generates the life content of a user based on a current position of the computing device, and a controller, which, in response to the generated live content, updates the second display area in real time to display the generated life content and updates the map in the first display area to display a path synchronized with the generated life content.

Abstract: Disclosed is a method for controlling an electronic device. The method for controlling an electronic device may comprise the steps of: determining whether there is an obstacle in the first direction from the electronic device; if it is determined that there is an object in the first direction, determining that the electronic device is disposed indoors; and if it is determined that there is no obstacle in the first direction, determining that the electronic device is disposed outdoors.

Abstract: A system for providing a life log service and a method of providing the life log service. The computing device for providing the life log service includes: a display which displays a map in a first display area and which displays like content in a second display area; and a processor including a content generator which generates the life content of a user based on a current position of the computing device, and a controller, which, in response to the generated live content, updates the second display area in real time to display the generated life content and updates the map in the first display area to display a path synchronized with the generated life content.