Abstract: Provided is a system and method for perceiving an outcast in a group. The system may include: a plurality of member terminals held, respectively, by a plurality of members conducting an outdoor activity and configured to transmit waves with a radio frequency; and a leader terminal held by a leader of the outdoor activity and configured to receive the waves transmitted from the plurality of member terminals, to sense intensities of the waves, to obtain distances between the plurality of member terminals from the sensed intensities of the waves, to calculate a group distance based on the obtained distances between the member terminals, to sort the plurality of member terminals into at least one subgroup, and to determine an outcast member terminal excluded from the at least one subgroup.

Abstract: Provided is a system and method for monitoring a student behavior in a field trip. The system may include: a plurality of member terminals held respectively by a plurality of members conducting a group activity and provided with a plurality of sensors, an imaging device, and a data storage device to collect and store behavior information of the members to match time information, the behavior information including location information, orientation information, view information, and motion information; at least one leader terminal held by a leader and configured to receive and store the behavior information of the members collected by the plurality of member terminals; and an analysis terminal configured to receive the behavior information from the at least one leader terminal and the plurality of member terminals.

Abstract: The present disclosure provides a cathode for lithium batteries with a structure suited to high output properties, a method of manufacturing the same, and a lithium battery using the same. The cathode has a stack structure including a first cathode member, a separating member and a second cathode member stacked in sequence to have a pipe shape or a folded shape with spaced ends, wherein each of the first and second cathode members includes a current collector and a cathode active material formed on either side of the current collector.

Abstract: Provided is a system and method for monitoring a student behavior in a field trip. The system may include: a plurality of member terminals held respectively by a plurality of members conducting a group activity and provided with a plurality of sensors, an imaging device, and a data storage device to collect and store behavior information of the members to match time information, the behavior information including location information, orientation information, view information, and motion information; at least one leader terminal held by a leader and configured to receive and store the behavior information of the members collected by the plurality of member terminals; and an analysis terminal configured to receive the behavior information from the at least one leader terminal and the plurality of member terminals.

Abstract: Provided is a system and method for perceiving an outcast in a group. The system may include: a plurality of member terminals held, respectively, by a plurality of members conducting an outdoor activity and configured to transmit waves with a radio frequency; and a leader terminal held by a leader of the outdoor activity and configured to receive the waves transmitted from the plurality of member terminals, to sense intensities of the waves, to obtain distances between the plurality of member terminals from the sensed intensities of the waves, to calculate a group distance based on the obtained distances between the member terminals, to sort the plurality of member terminals into at least one subgroup, and to determine an outcast member terminal excluded from the at least one subgroup.

Abstract: The present disclosure provides a cathode for lithium batteries with a structure suited to high output properties, a method of manufacturing the same, and a lithium battery using the same. The cathode has a stack structure including a first cathode member, a separating member and a second cathode member stacked in sequence to have a pipe shape or a folded shape with spaced ends, wherein each of the first and second cathode members includes a current collector and a cathode active material formed on either side of the current collector.

Abstract: An HBT structure and manufacturing method thereof, in which the HBT structure includes an emitter, an intrinsic base, a collector, an insulating sidewall, and a stress-inducing base formed by selective epitaxial growth to locally induce a stress to the HBT structure. Compressive or tensile stress is additionally induced from outside to modify physical and electric properties of a semiconductor layer, thereby improving the performance of the transistor.

Abstract: An HBT structure and manufacturing method thereof, in which the HBT structure includes an emitter, an intrinsic base, a collector, an insulating sidewall, and a stress-inducting base formed by selective epitaxial growth to locally induce a stress to the HBT structure. Compressive or tensile stress is additionally induced from outside to modify physical and electric properties of a semiconductor layer, thereby improving the performance of the transistor.

Abstract: An apparatus and method for automatically adding a received image to a phonebook of a portable wireless terminal. In the method, an image is extracted from a received multimedia message when the multimedia message is received from a sender, the extracted image is added to a sender's image list of a phonebook, and an image most recently added to the sender's image list is read out and displayed when a call is received from the sender. Therefore, the latest image of the sender can be displayed when a call is received from the sender.