Abstract: Proposed is an electric bus fire extinguishing apparatus capable of being loaded and unloaded by a hydraulic cylinder. The electric bus fire extinguishing apparatus includes a rotation assisting plate mounted on a rear side of a loading container of a transporting vehicle, a hydraulic cylinder disposed in the loading container of the transporting vehicle, a foldable frame configured to be unfolded and folded by hydraulic pressure, a support stand which is disposed on a first side of the foldable frame and configured to be locked on and coupled to a cylinder rod that is pulled from the hydraulic cylinder, and a lance for spraying fire-extinguishing water, the lance being configured to perforate a battery disposed on an upper portion of an electric bus and to spray the fire-extinguishing water into an inner portion of the battery.

Abstract: Proposed is an apparatus for extinguishing electric bus fires, including a fire water tank provided in a transport vehicle, a foldable frame configured to unfold or fold using hydraulic pressure, and a fire water injection lance configured to puncture a battery placed on a roof of an electric bus and inject fire extinguishing water into the battery.

Abstract: Proposed is a motorized d drill lance apparatus for extinguishing vehicle fires, the apparatus including a height-adjustable cart configured to move and be located underneath an electric vehicle battery, and a drill module configured to drill a hole into the electric vehicle battery using the power of a motor while in close contact with the electric vehicle battery, and then inject water into the electric vehicle battery through the drilled hole to extinguish a fire occurring in the electric vehicle battery.

Abstract: According to an aspect of the present invention, there is provided a method for controlling a flow of advertising contents on the basis of a video chat, the method including measuring a positive response level of at least one talker among two or more talkers about an advertising content being provided to the two or more talkers on the basis of information on interaction among the two or more talkers participating in a video chat, and dynamically controlling a flow of advertising contents to be provided to the at least one talker on the basis of the positive response level.

Abstract: According to an aspect of the present invention, there is provided a method for estimating an emotion about an advertising content on the basis of a video chat, the method including providing an advertising content to at least one talker participating in the video chat, estimating an emotion of the at least one talker about the advertising content on the basis of at least one of a facial expression and chat contents of the at least one talker, and verifying whether the estimated emotion relates to the advertising content on the basis of gaze information of the at least one talker.

Abstract: A method for a multilateral communication service includes acquiring at least one of a first video taken in a device of a first user, a first voice recorded in the device of the first user, and a first text message entered in the device of the first user; and specifying a plurality of display areas respectively assigned to a plurality of users participating in a conversation, and dynamically providing at least one of the first video, the first voice, and the first text message to a first display area assigned to the first user. When the first video or text message is dynamically provided, the first video or text message is dynamically displayed in the first display area, and when the first text message is dynamically displayed in the first display area, only a text message most recently entered by the first user is displayed in the first display area.

Abstract: A method for a multilateral communication service includes acquiring at least one of a first video taken in a device of a first user, a first voice recorded in the device of the first user, and a first text message entered in the device of the first user; and specifying a plurality of display areas respectively assigned to a plurality of users participating in a conversation, and dynamically providing at least one of the first video, the first voice, and the first text message to a first display area assigned to the first user. When the first video or text message is dynamically provided, the first video or text message is dynamically displayed in the first display area, and when the first text message is dynamically displayed in the first display area, only a text message most recently entered by the first user is displayed in the first display area.

Abstract: Disclosed herein is an apparatus and method for measuring bio-impedance attributable to joint movement. The bio-impedance measuring apparatus includes a constant current source, current stimulus electrodes, at least two voltage detection electrodes, a demodulator, a signal gain and offset controller and an isolated amplifier.

Abstract: Disclosed herein is an apparatus and method for measuring bio-impedance attributable to joint movement. The bio-impedance measuring apparatus includes a constant current source, current stimulus electrodes, at least two voltage detection electrodes, a demodulator, a signal gain and offset controller and an isolated amplifier.