Abstract: A roll control thruster controls the attitude of a launch vehicle by using the oxidizer filled in an oxidizer tank, and includes: a thruster tank that is charged using a portion of the oxidizer stored in the oxidizer tank; a thruster line that is branched from the thruster tank and forms a supply path of the oxidizer stored in the thruster tank; a thruster valve that is provided in the thruster line and opens and closes the thruster line or adjusts the opening degree of the thruster line; a thruster module that is connected to the thruster line and injects the oxidizer, supplied via the thruster line, in order to control the attitude of the launch vehicle; and a thruster control module that controls the operation of the thruster valve and the supply of oxidizer to the thruster module.

Abstract: Proposed is a hybrid rocket engine using an electric motor-driven oxidizer pump, the hybrid rocket engine including: an oxidizer tank configured to store the oxidizer; an oxidizer pump configured to pressurize the oxidizer by being connected to the oxidizer tank through a first oxidizer supply line; a drive unit including an electric motor configured to drive the oxidizer pump and a battery configured to supply power to the electric motor; an auxiliary oxidizer line configured to guide the oxidizer from the oxidizer tank to the electric motor to cool the electric motor; an oxidizer recirculation line configured to recharge oxidizer vapor, generated through heat exchange between the electric motor and the oxidizer, to the oxidizer tank, thereby pressurizing an inner side of the oxidizer tank; and a combustion chamber configured to combust the oxidizer and fuel by being connected to the oxidizer pump through a second oxidizer supply line.

Abstract: According to an embodiment of the present disclosure, in a terminal, in addition to event information in the ONVIF format, information for determining rotation and information about a cropped region cropped from an original region are additionally transmitted.

Abstract: A method of controlling an on-screen display (OSD) protocol in a device includes: receiving analysis data of a video image from an apparatus capable of at least one of wired and wireless communication; displaying the video image and analysis data of the video image on a display of the device; determining whether to record the analysis data of the video image in a persistent storage device to be retained after the device reboots or in a temporary storage device to be erased after the device reboots; and storing the analysis data of the video image in one of the persistent storage device and the temporary storage device according to the determination.

Abstract: Provided is a surveillance system including a communication module configured to receive a plurality of pieces of image data obtained by a plurality of camera modules, receive a multiple image data request from a client terminal, and transmit a multiple image data response including multiple image data to the client terminal; and a processer configured to generate the multiple image data by scaling the plurality of pieces of image data in response to the multiple image data request and combining a plurality of pieces of scaled image data, wherein the plurality of camera modules share one internet protocol (IP) address.

Abstract: Proposed is a hybrid rocket engine using an electric motor-driven oxidizer pump, the hybrid rocket engine including: an oxidizer tank configured to store the oxidizer; an oxidizer pump configured to pressurize the oxidizer by being connected to the oxidizer tank through a first oxidizer supply line; a drive unit including an electric motor configured to drive the oxidizer pump and a battery configured to supply power to the electric motor; an auxiliary oxidizer line configured to guide the oxidizer from the oxidizer tank to the electric motor to cool the electric motor; an oxidizer recirculation line configured to recharge oxidizer vapor, generated through heat exchange between the electric motor and the oxidizer, to the oxidizer tank, thereby pressurizing an inner side of the oxidizer tank; and a combustion chamber configured to combust the oxidizer and fuel by being connected to the oxidizer pump through a second oxidizer supply line.

Abstract: According to an embodiment of the present disclosure, in a terminal, in addition to event information in the ONVIF format, information for determining rotation and information about a cropped region cropped from an original region are additionally transmitted.

Abstract: An OSD information generation camera according to an embodiment of the present disclosure includes: an image recorder configured to receive an image signal and generate an image; a controller configured to extract basic information for generating OSD information from the image; an OSD information generator configured to generate the OSD information based on the basic information extracted by the controller; and a communicator configured to individually transmit data of the OSD information and the image to an external destination.

Abstract: An image providing apparatus includes an internal communication interface configured to receive image data and camera setting information from a plurality of camera modules included in a network camera housing, and transmit a control signal to the plurality of camera modules; a processor configured to generate the control signal to control an operation of the plurality of camera modules, control a power supply to each of the plurality of camera modules, and generate combined image data by combining the image data obtained from the plurality of camera modules; and an external communication interface configured to transmit the combined image data to a client terminal via an Internet network.

Abstract: Provided is a security management device for tracking a terminal located indoors. The security management device display on a map a position of the at least one wireless network camera and information about a terminal located in a range capable of wireless communication with the at least one wireless network camera, control a wireless network camera to track a position of the terminal based on the information about the terminal while the terminal is in a range capable of wireless communication with the wireless network camera, and control the wireless network camera to send identification information of the terminal to a neighboring wireless network camera when the terminal moves out of the range capable of wireless communication with the wireless network camera.

Abstract: Provided is a surveillance system including a communication module configured to receive a plurality of pieces of image data obtained by a plurality of camera modules, receive a multiple image data request from a client terminal, and transmit a multiple image data response including multiple image data to the client terminal; and a processer configured to generate the multiple image data by scaling the plurality of pieces of image data in response to the multiple image data request and combining a plurality of pieces of scaled image data, wherein the plurality of camera modules share one internet protocol (IP) address.

Abstract: An image providing apparatus includes an internal communication interface configured to receive image data and camera setting information from a plurality of camera modules included in a network camera housing, and transmit a control signal to the plurality of camera modules; a processor configured to generate the control signal to control an operation of the plurality of camera modules, control a power supply to each of the plurality of camera modules, and generate combined image data by combining the image data obtained from the plurality of camera modules; and an external communication interface configured to transmit the combined image data to a client terminal via an Internet network.

Abstract: A media stream playing apparatus for receiving a media stream transmitted from a media service unit and playing the media stream on a web browser is provided. The media stream playing apparatus includes a transmission module configured to establish a communication connection at a transport layer level with the media service unit, a websocket module configured to establish a websocket connection with the media service unit via a handshake procedure based on the communication connection and transmit or receive websocket packets to or from the media service unit while maintaining the websocket connection, a streaming module configured to receive Real-time Transport Protocol (RTP) packets carried by the websocket packets, a media decoder configured to decode the media stream obtained from the RTP packets to reconstruct video, and an output device configured to display the reconstructed video on a screen by embedding the reconstructed video in the web browser.

Abstract: Provided is a network security system including: a spatial information collector configured to acquire, from a manager input terminal, spatial information; a device position receiver configured to receive, from the manager terminal, at least one device installation position with respect to the spatial information and storing the at least one device installation position; a device recommender configured to provide a candidate device list corresponding to the at least one device installation position; a device determiner configured to receive a signal for selecting at least one device from the candidate device list, and determine a model of the at least one selected device to be installed at the at least one device installation position; and a device setter configured to set a setting of the at least one selected device.

Abstract: An apparatus and a method for generating an alarm are provided. The apparatus includes at least one processor configured to implement: a determination unit analyzing at least one of an image, which includes an object, and a sound related to the object, and, as a result of the analysis, determining a type of the object; and an alarm generation unit controlling an alarm generator to generate an alarm according to a result of the determination performed by the determination unit.

Abstract: Provided is an image processing apparatus and method that may employ a new program or protocol without having to additionally develop a new program or a protocol for image processing. The image processing apparatus may include: an open platform-compatible unit configured to determine a protocol that is used by a video analysis application installed in or connected to the image processing apparatus, and receive at least one of channel information about an original image, channel information about an encoded image, channel information about a decoded image, resolution information about the decoded image and frame rate information that is required to receive the decoded image, in accordance with the determined protocol; and a protocol conversion unit configured to process an input image to comply with the determined protocol, based on the at least one information that is received at the open platform-compatible unit.

Abstract: An OSD information generation camera according to an embodiment of the present disclosure includes: an image recorder configured to receive an image signal and generate an image; a controller configured to extract basic information for generating OSD information from the image; an OSD information generator configured to generate the OSD information based on the basic information extracted by the controller; and a communicator configured to individually transmit data of the OSD information and the image to an external destination.

Abstract: An apparatus for receiving an image is provided. The apparatus includes: a camera searcher configured to search for a camera connected to a network; a camera register configured to register information about the camera which is identified as a result of the searching by the camera searcher; a profile setter configured to set a profile of the camera by referring to the information obtained from the camera; and an image receiver configured to receive an image from the camera according to the profile.

Abstract: A method of controlling an on-screen display (OSD) protocol in a device includes: receiving analysis data of a video image from an apparatus capable of at least one of wired and wireless communication; displaying the video image and analysis data of the video image on a display of the device; determining whether to record the analysis data of the video image in a persistent storage device to be retained after the device reboots or in a temporary storage device to be erased after the device reboots; and storing the analysis data of the video image in one of the persistent storage device and the temporary storage device according to the determination.

Abstract: An image processing apparatus includes a storage storing images received from at least one camera, an image analyzer analyzing the images received from the at least one camera, separating an object, for which an event occurred, from a background, and extracting object properties information, a database storing the object properties information extracted with respect to each of the at least one camera, a search condition setter setting a search condition, a search engine searching the database for the object properties information matching the search condition, and obtaining image frames including the object properties information found from the storage, and a file generator generating a single image file by synthesizing the image frames.