Abstract: The disclosure relates to a device for detecting therapeutic radiation based on an optical disk with solar cells. The radiation detecting device may include at least one optical disk formed of a water-equivalent material, disposed perpendicular to a first direction in which the radiation is incident, and converting the radiation into visible light; a solar cell disposed on one side of the at least one optical disk, converting the visible light into an electrical signal; and a processing module for collecting and processing the electrical signal outputted from the solar cell.

Abstract: Resource synchronization in an machine-to-machine (M2M) system is disclosed. A method of operating an M2M device may comprise creating a first resource, receiving a first message for requesting an update to the first resource, and transmitting a second message for requesting an update to a second resource to another device hosting the second resource synchronized with the first resource. The first resource may comprise at least one attribute for offloading of a resource.

Abstract: A message repetition transmission method and apparatus in an M2M system is provided. According to an embodiment, method includes: setting attribute information for message repetition transmission; configuring a first resource that comprises the attribute information and is applied to message repetition transmission; and performing message repetition transmission according to the configured first resource. The attribute information for message repetition transmission can include at least one of information (targetResource) designating a target resource of message repetition transmission and information (valueForRepetition) designating a transmission value that is a message repetition transmission target.

Abstract: A method and apparatus of managing information are configured to replace parts of an Internet of Things (IoT) device in a machine-to-machine (M2M) system. A method for operating a first device may include receiving a first message for requesting registration of at least one resource related to a second device including a plurality of parts, generating at least one resource comprising information on the plurality of parts, and transmitting, to the second device, a second message for recommending replacement of a part corresponding to a condition for replacing at least one of the plurality of parts when the condition is satisfied.

Abstract: The present disclosure relates to an artificial intelligence-based similar sound source search system and method for searching for a matching sound source by identifying timbre, pitch, and chord information using a convolutional neural network (CNN) and comprises a sound source input unit, a sound source analysis unit, a sound source information extraction unit, and a matching sound source search unit.

Abstract: Provided is a radiation irradiation device and method in which radiation intensity can be adjusted depending on an irradiation position. The device includes a radiation source, a target plate having an irradiation hole through which radiation emitted from the radiation source passes and having a first target stopper and a second target stopper formed to protrude on both surfaces, respectively, X-axis shield plates and Y-axis shield plates coupled to both sides of one surface of the target plate and including shield stoppers formed on a contact surface with the target plate and capable of being moved with respect to the target plate. The X-axis shield plate are coupled laterally with shield stoppers capable of moving laterally and the Y-axis plate are coupled longitudinally with shield stoppers capable of moving longitudinally. The shield stoppers can be moved between two first target stoppers or two second target stoppers adjacent to each other.

Abstract: The present invention relates to a conversion device for converting a treatment beam for treating a lesion of a subject, comprising: a collimator unit to which the treatment beam is incident and which has a plurality of slits; and a scattering unit that scatters the treatment beam that has passed through the collimator unit.

Abstract: A security key is configured to be replaced when a device is replaced in a machine-to-machine (M2M) system. A method for operating a first device may include: receiving a first message including first information associated with security key replacement from a second device or a third device; receiving a third message including second information associated with security key replacement, which is generated based on a second message including a security key replacement indication, from the second device or the third device; and replacing the security key.

Abstract: The present disclosure relates to an artificial intelligence-based similar sound source search system and method for searching for a matching sound source by identifying timbre, pitch, and chord information using a convolutional neural network (CNN) and comprises a sound source input unit, a sound source analysis unit, a sound source information extraction unit, and a matching sound source search unit.

Abstract: Embodiments of the present disclosure are directed to forwarding a large amount of data in a machine-to-machine (M2M) system, and a method for operating a first device may include: transmitting, to a second device, a request message for bulk data transfer; and receiving, from the second device, an acknowledgment message for notifying completion of the bulk data transfer, wherein the request message may include at least one of information for identifying data to be included in bulk data, information on a target common service entity (CSE) in a target platform that receives the bulk data, information for indicating processing of source data after the bulk data transfer, and information for accessing the target CSE.

Abstract: A method for transmitting, by a host, a notification to a subscriber may include: setting a plurality of subscription conditions based on a cross resource; detecting each event that satisfies each of the plurality of subscription conditions; and, when all the plurality of subscription conditions are satisfied, transmitting a notification for the cross resource to the subscriber. The plurality of subscription conditions may have a priority order.

Abstract: A subscription service including a number of subscriptions possessed by a device is managed in a machine-to-machine (M2M) system. A method for operating a first device may include: transmitting, to a second device, a first message for requesting a new subscription that uses a first resource for managing subscription; receiving, from the second device, a second message for notifying an update of a second resource associated with the new subscription; and identifying a content of the second resource, wherein the first resource may include at least one of a first attribute indicating a number of subscriptions possessed by the first device, a second attribute indicating, among resources to which the first device is subscribing, a number of resources which are updated but not yet retrieved, or a third attribute indicating an access address of a subscribed resource.

Abstract: A liveness check in a machine-to-machine (M2M) system is provided. A method for operating an M2M device includes generating a resource including information on a liveness check for a local device and confirming whether a probe signal for the liveness check is received from the local device. The liveness status of the local device is determined based on whether the probe signal is received.

Abstract: A method for performing resource offloading in an M2M system is provided. The method is performed based on an offloaded resource and offloaded attributes. The method includes generating an offloading request message that requests offloading of a source resource. In response to the offloading request message, offloading the source resource for which the offloading is requested. An offloaded resource is then generated using the offloaded source resource. Herein, the offloaded resource includes synchronization modes designating synchronization methods with the offloaded source resource as offloaded attributes.

Abstract: A cooperative adaptive cruise control (CACC) system acquires a driving pattern of a target vehicle and variably provides an inter-vehicle distance and a responsible speed level of a subject vehicle that are followed by the CACC system based on the driving pattern. The CACC system includes a communication unit receiving vehicle information and road information of a region in which the subject vehicle travels; an information collection unit collecting driving information of a forward vehicle, vehicle information of the subject vehicle, and the road information; and a control unit controlling the inter-vehicle distance and the responsible speed level of the CACC system based on the driving pattern of the target vehicle according to generated control information.

Abstract: The disclosure relates to a device for detecting therapeutic radiation based on an optical disk with solar cells. The radiation detecting device may include at least one optical disk formed of a water-equivalent material, disposed perpendicular to a first direction in which the radiation is incident, and converting the radiation into visible light; a solar cell disposed on one side of the at least one optical disk, converting the visible light into an electrical signal; and a processing module for collecting and processing the electrical signal outputted from the solar cell.

Abstract: An automatic parking system is provided. The automatic parking system includes a camera processor that acquires images around a subject vehicle, converts the acquired images into external images and synthesizes the external images. A sensor processor measured spaced distances between the subject vehicle and surrounding vehicles. A parking space recognizing unit periodically receives the spaced distances and the external images and comparing the consecutive external images with the spaced distances using an image recognition technology to recognize parking areas. A controller calculates a moving path between a current position of the subject vehicle and an optimal parking area and operates the subject vehicle based on the moving path.

Abstract: Disclosed herein is a control apparatus and method for improving fuel efficiency in a CACC system, which can improve fuel efficiency through control of a vehicle speed so that a vehicle travels using an optimized cost in consideration of a target vehicle speed, current vehicle speed, minimum driving speed set in the vehicle, and a deceleration distance if the vehicle that uses the CACC system senses a forward vehicle and enters into a CACC active mode. The control method for improving fuel efficiency in a CACC system includes setting a target speed profile based on a target speed of the subject vehicle and an expected driving path, determining whether a target vehicle to be followed by the subject vehicle exists, and controlling the driving speed of the subject vehicle according to the set target speed profile depending on whether or not the target vehicle exists.

Abstract: Resource synchronization in an machine-to-machine (M2M) system is disclosed. A method of operating an M2M device may comprise creating a first resource, receiving a first message for requesting an update to the first resource, and transmitting a second message for requesting an update to a second resource to another device hosting the second resource synchronized with the first resource. The first resource may comprise at least one attribute for offloading of a resource.

Abstract: The present invention relates to a method for managing a license of data in a machine-to-machine (M2M) system. A method for operating a M2M device in an M2M system includes: receiving data from a counterpart M2M device; receiving information on a license of the data from the counterpart M2M device; and performing an operation for the data based on the information on the license.