Abstract: A closed type arterial blood collection apparatus is disclosed. The closed type arterial blood collection apparatus includes a saline bag provided at a lower end thereof with a first port and a second port, an A line configured to connect an arterial blood vessel of a patient to the first port, a first three-way valve configured to open and close the A line, a blood collection unit configured to collect arterial blood through the first three-way valve, a second three-way valve provided between the first three-way valve and the first port, the second three-way valve being configured to open and close the A line, a guide tube configured to connect the second three-way valve to the second port, and a fluid conveying means configured to convey a fluid in the guide tube when the A line and the guide tube are connected to each other.

Abstract: The present invention relates to a method for generating an artificial intelligence model for process control, a process control system based on the artificial intelligence model, and a reactor comprising same, the present invention may easily derive an optimal reactor input condition for achieving the target operation condition of the reactor and the target physical property value of the product by using the AI model.

Abstract: The present invention relates to a method for producing ethylene polymer predicting and controlling the density of ethylene polymer in real time using on-ling analyzer. Specifically, the present invention relates to a method for producing a polymer having a desired property by measuring properties such as the density of a polymer and a content of unreacted substances in real time on-line in a polymerization reactor system and controlling a content of raw materials injected into polymerization therefrom.

Abstract: Provided are a method and device for obtaining a position of a stationary target. The method of obtaining a position of a stationary target may include generating a fusion track based on data collected from a radar and data collected from a camera, determining whether the fusion track is in a stationary state, in response to the fusion track being in the stationary state, collecting radar points associated with the fusion track, and obtaining a center point of the stationary target based on the collected radar points.

Abstract: A sound output apparatus, a display apparatus and a method for controlling the same are provided. The sound output apparatus includes a housing; and at least one speaker provided on a side of the housing, wherein the housing includes an accommodation portion provided with an insertion groove to which the at least one speaker is inserted and mounted, wherein the at least one speaker includes a sound generator configured to generate a sound; and a guide tube that has a cross sectional area that changes from a first end of the guide tube to a second end of the guide tube, and wherein the guide tube receives the generated sound via the first end, and the guide tube includes an outer surface having a plurality of radiation apertures arranged in at least one row.

Abstract: According to an exemplary embodiment, a display apparatus includes: a display device configured to display a video data; and a plurality of integrated speakers configured to output a plurality of audio signals in a low-pitched tone band and a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal of the audio signals in the low-pitched tone band; and at least one front speaker which is adjacent to the woofer speaker and configured to output a second audio signal of the audio signals in the middle and high-pitched tone band.

Abstract: According to an exemplary embodiment, a display apparatus includes: a display device configured to display a video data; and a plurality of integrated speakers configured to output a plurality of audio signals in a low-pitched tone band and a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal of the audio signals in the low-pitched tone band; and at least one front speaker which is adjacent to the woofer speaker and configured to output a second audio signal of the audio signals in the middle and high-pitched tone band.

Abstract: A planar magnet speaker with excellent sound reproduction in a low frequency range and capable of providing a plurality of input controls includes a first magnet member, a second magnet member, a membrane including at least one wire formed between the first magnet member and the second magnet member, and a support frame.

Abstract: A display apparatus includes a display device configured to display a video data; and a plurality of integrated speakers configured to output at least one audio signal in a low-pitched tone band and at least one audio signal in a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal among the at least one audio signal in the low-pitched tone band; and at least one front speaker that is adjacent to the woofer speaker and configured to output a second audio signal among the at least one audio signal in the middle and high-pitched tone band.

Abstract: According to an aspect of an embodiment, a stereophonic sound reproduction apparatus includes: an input unit for receiving an acoustic signal; a control unit for acquiring an output acoustic signal for generating a virtual sound source for the received acoustic signal; and an output unit for outputting the acquired output acoustic signal by using a front speaker and a side speaker, wherein the control unit generates an attenuation signal that is a signal for attenuating or cancelling an inflow acoustic signal to be directly transferred to an audience in the output acoustic signal output from the side speaker, and the generated output acoustic signal includes the attenuation signal.

Abstract: A sound output apparatus, a display apparatus and a method for controlling the same are provided. The sound output apparatus includes a housing; and at least one speaker provided on a side of the housing, wherein the housing includes an accommodation portion provided with an insertion groove to which the at least one speaker is inserted and mounted, wherein the at least one speaker includes a sound generator configured to generate a sound; and a guide tube that has a cross sectional area that changes from a first end of the guide tube to a second end of the guide tube, and wherein the guide tube receives the generated sound via the first end, and the guide tube includes an outer surface having a plurality of radiation apertures arranged in at least one row.

Abstract: An acoustic output device and a control method thereof are provided.

Abstract: According to an aspect of an embodiment, a stereophonic sound reproduction apparatus includes: an input unit for receiving an acoustic signal; a control unit for acquiring an output acoustic signal for generating a virtual sound source for the received acoustic signal; and an output unit for outputting the acquired output acoustic signal by using a front speaker and a side speaker, wherein the control unit generates an attenuation signal that is a signal for attenuating or cancelling an inflow acoustic signal to be directly transferred to an audience in the output acoustic signal output from the side speaker, and the generated output acoustic signal includes the attenuation signal.

Abstract: An apparatus including a first speaker configured to output higher-frequency sound from among sound of a channel via at least one slit, and a second speaker configured to output lower-frequency sound from among the sound of the channel via at least one other slit. The at least one slit may have a thickness that is less than a wavelength of sound emitted.

Abstract: A planar magnet speaker with excellent sound reproduction in a low frequency range and capable of providing a plurality of input controls includes a first magnet member, a second magnet member, a membrane including at least one wire formed between the first magnet member and the second magnet member, and a support frame.

Abstract: An acoustic output device and a control method thereof are provided.

Abstract: A loudspeaker includes an enclosure including a resonance chamber and an acoustic emission aperture for communication of the resonance chamber with the outside, and a plurality of speaker units including a first speaker unit arranged in a first direction and a second speaker unit arranged in a second direction, and the plurality of speakers being accommodated in the enclosure in a non-coaxial arrangement. Front slit spaces of the plurality of speaker units are in communication with the resonance chamber.

Abstract: A loudspeaker includes an enclosure including a resonance chamber and an acoustic emission aperture for communication of the resonance chamber with the outside, and a plurality of speaker units including a first speaker unit arranged in a first direction and a second speaker unit arranged in a second direction, and the plurality of speakers being accommodated in the enclosure in a non-coaxial arrangement. Front slit spaces of the plurality of speaker units are in communication with the resonance chamber.

Abstract: A sound generating apparatus is provided for expanding a mid-range of a slit-firing type speaker system. The sound generating apparatus includes a vibrator, a body part which encloses the vibrator, a path through which the generated sound is transmitted, and a slit formed in a length direction of the body part connected to an end portion of the path and configured to emit the sound.

Abstract: A display apparatus includes a display device configured to display a video data; and a plurality of integrated speakers configured to output at least one audio signal in a low-pitched tone band and at least one audio signal in a middle and high-pitched tone band. The plurality of integrated speakers may each include: a woofer speaker configured to output a first audio signal among the at least one audio signal in the low-pitched tone band; and at least one front speaker that is adjacent to the woofer speaker and configured to output a second audio signal among the at least one audio signal in the middle and high-pitched tone band.