Abstract: The present technology relates to a reception apparatus, a reception method, a transmission apparatus, and a transmission method permitting provision of an emergency warning service more suited to actual operation. Provided is a reception apparatus including a reception section and a demodulation section. The reception section receives a physical layer frame transported as a broadcast signal on the basis of monitoring information that is included in upper layer signalling, signalling in a layer higher than a physical layer, and that is used to monitor a specific service. The demodulation section demodulates physical layer signalling acquired from the physical layer frame and monitors whether emergency warning information has been transported on the basis of emergency warning notice information acquired as a result of the demodulation.

Abstract: The present technology relates to a data processing device and a data processing method that can realize further flexible operation of digital television broadcasting. A data processing device placed in a facility related to broadcasting station and a data processing device placed in a transmitter station exchange data, as transmission data transmitted via a communication line, which is obtained by processing a stream including control information, a component, and variable-length information and adding variable-length information existence information indicating a presence or absence of variable-length information. The present technology can be applied as a transmission system between stations, for example, between a broadcasting station and a transmitter station.

Abstract: The present technology relates to a transmission device, a transmission method, a reception device, and a reception method for sufficiently securing an information amount of additional information of a physical layer. The transmission device generates and transmits an OFDM signal in which additional information of a physical layer is allocated to additional carriers in each of groups, the groups being obtained by grouping the additional carriers to be used for transmission of the additional information, of carriers of the OFDM signal of one frame, into the groups of the number of groups according to a DFT size of when IDFT of the OFDM signal is performed. The reception device receives the OFDM signal, and acquires the additional information corresponding to the number of groups according to the DFT size from the OFDM signal. The present technology can be applied to, for example, transmission and reception of the OFDM signal.

Abstract: A limit switch is provided with a switch body having a contact mechanism inside, and an operation unit detachably connected to the switch body. The operation unit may include a pivoting shaft and a bearing. One of the pivoting shaft and the bearing includes a protrusion that extends in a radial direction with respect to the pivoting shaft. The other of the pivoting shaft and the hearing includes a pivoting restriction part that is disposed around the pivoting shaft so as to be able to contact the protrusion, and restricts pivoting of the protrusion around the pivoting shaft.

Abstract: There is provided a reception apparatus including a first acquisition unit which acquires, preceding text format second signaling data to be transmitted in a lower-level layer than an IP layer in a hierarchy of a protocol of an IP transmission system and containing control information independent of a service identified by an IP address, binary format first signaling data containing a flag indicating whether the second signaling data exists in digital broadcast using the IP transmission system, a second acquisition unit which acquires the second signaling data on the basis of the first signaling data, and a control unit which controls operation of the units which perform various types of processing on the basis of the second signaling data. The present technology can be applied to, for example, a television receiver.

Abstract: A reception apparatus includes a demodulation circuit configured to demodulate packets obtained with respect to each of multiple PLPs included in a broadcast signal; and a processing circuit configured to process the packets demodulated by the demodulation circuit. The demodulation circuit and the processing circuit are connected with each other via a single interface or interfaces fewer than the number of the PLPs. The demodulation circuit adds identification information to a specific packet among the packets obtained with respect to each of the PLP, the identification information identifying the PLP to which each of the packets belongs. The processing circuit identifies the PLP to which belongs each of the packets input from the demodulation circuit via the single interface or the interfaces fewer than the number of the PLPs, based on the identification information obtained from the specific packet.

Abstract: A limit switch is provided with a switch body having a contract mechanism inside, and an operation unit connected to the switch body. The operation unit may include a pivoting shaft support that permits pivoting of the pivoting shaft with respect to the housing body in a state of an external force along the extending direction of the pivoting shaft being not applied to the operation lever, and contacts the peripheral wall to support the pivoting shaft in a state of an external force along the extending direction of the pivoting shaft being applied to the operation lever.

Abstract: A first video stream having video data of a first view, a second video stream having video data of a second view, and an audio stream having audio data of an object sound source and positional information based on the first view of the object sound source are generated. A container of a predetermined format including the first video stream, the second video stream, the audio stream, and position correction information for correcting the positional information of the object sound source to positional information based on the second view is transmitted. Thereby, it is possible to accurately perform 3D audio rendering even in a case that view switching is performed at a reception side.

Abstract: A limit switch may be provided with a switch body having a contact mechanism inside, and an operation unit connected to the switch body. The operation unit comprises an elastic part that energizes the operation lever from the first motion position towards the return position via the pivoting shaft and the first cam, and energizes the operation lever from the second motion position toward the return position via the pivoting shaft and the second cam, a first cam's pivoting restriction part that restricts the pivoting of the first cam in a first direction in which the operation lever moves from the return position to the second motion position, and a second cam's pivoting restriction part that restricts the pivoting to the second cam in a second direction in which die operation lever moves from the return position to the first motion position.

Abstract: The present technology relates to a transmission device, a transmission method, a reception device, and a reception method that can improve transmission efficiency. An encoded signal is generated based on realtime data indicated by a waveform L using a predetermined fixed bit rate as a maximum code amount Sx and the encoded signal into which non-realtime data with an insufficient code amount is inserted is transmitted at the fixed bit rate, as indicated by a range Z12, when a code amount of the generated encoded signal is insufficient for the maximum code amount Sx. The present technology can be applied to broadcasting communication.

Abstract: The present technology relates to a transmission apparatus, a transmission method, a reception apparatus, and a reception method that enable channel selection information and time information to be transmitted effectively. A transmission apparatus acquires channel selection information for selecting a service and time information used for synchronizations on a transmission side and a reception side, generates, as a physical layer frame constituted of a preamble and a data portion, the physical layer frame in which specific information including at least one of the channel selection information and the time information is arranged at a head of the data portion right after the preamble, and transmits the physical layer frame as digital broadcast signals. The present technology is applicable to IP packet broadcasting, for example.

Abstract: Provided are systems and methods for evaluating risks associated with a manufacturing process including a network interface configured to receive a request to evaluate a purchase order associated with a deliverable that includes one or more components for manufacture, a processor configured to evaluate a set of metrics associated with the deliverable to identify a status of each of the set of metrics, and an output configured to generate a risk evaluation representing a risk of delivery of the deliverable.

Abstract: The present technology relates to a data processing apparatus and a data processing method that enable correct clock synchronization by use of clock information. The data processing apparatus receives a digital broadcast signal so as to process content included in the digital broadcast signal and clock information also included therein for use in presentation synchronization on the content and sends via a transmission path the processed content and clock information to another data processing apparatus that presents the received content. On the other hand, the another data processing apparatus receives via the transmission path the content and clock information sent from the data processing apparatus so as to process presentation synchronization on the received content on the basis of the received clock information. The present technology is applicable to data processing apparatuses configured to process content, for example.

Abstract: A transmission apparatus that includes circuitry configured to generate transport protocol selection information used for selecting a transport protocol to be used in a specific service from a plurality of transport protocols conforming to a predetermined standard; and transmit, together with the transport protocol selection information, a content provided by the specific service according to the transport protocol set in the transport protocol selection information, and the plurality of transport protocols include at least ROUTE (Real-Time Object Delivery over Unidirectional Transport) and MMT (MPEG Media Transport).

Abstract: There is provided a reception apparatus including a first acquisition unit which acquires, preceding text format second signaling data to be transmitted in a lower-level layer than an IP layer in a hierarchy of a protocol of an IP transmission system and containing control information independent of a service identified by an IP address, binary format first signaling data containing a flag indicating whether the second signaling data exists in digital broadcast using the IP transmission system, a second acquisition unit which acquires the second signaling data on the basis of the first signaling data, and a control unit which controls operation of the units which perform various types of processing on the basis of the second signaling data. The present technology can be applied to, for example, a television receiver.

Abstract: A reception apparatus includes a demodulation circuit configured to demodulate packets obtained with respect to each of multiple PLPs included in a broadcast signal; and a processing circuit configured to process the packets demodulated by the demodulation circuit. The demodulation circuit and the processing circuit are connected with each other via a single interface or interfaces fewer than the number of the PLPs. The demodulation circuit adds identification information to a specific packet among the packets obtained with respect to each of the PLP, the identification information identifying the PLP to which each of the packets belongs. The processing circuit identifies the PLP to which belongs each of the packets input from the demodulation circuit via the single interface or the interfaces fewer than the number of the PLPs, based on the identification information obtained from the specific packet.

Abstract: The present technology relates to a transmitting device, a transmitting method, a receiving device, and a receiving method, which are capable of improving immediacy and flexibility of an alert. A transmitting device generates transmission data in which an index associated with predetermined process-related information in a relevant table in which process-related information related to an output process of outputting an alert on a receiving side is registered in association with an index is included in data of a physical layer, the relevant table being included in data of a higher layer higher than the physical layer and supplied, and transmits the transmission data. The receiving device obtains a relevant table, receives transmission data, and acquires an index included in data of a physical layer from the transmission data.

Abstract: The present technology relates to a transmitting apparatus, a receiving apparatus, and a data processing method each of which enables channel bonding to be more reliably performed. There is provided a transmitting apparatus generating physical layer signaling including first identification information with which a group of frequency bands constituting channel bonding is identified, and second identification information with which the frequency band belonging to the group is identified; and transmitting a broadcasting signal which includes the physical layer signaling and is changed in frequency band thereof by a relay apparatus by utilizing a predetermined frequency band. The present technology, for example, can be applied to a broadcasting system utilizing channel bonding.

Abstract: A compound of the following general Formula [Ib]: wherein each symbol is the same as defined in the description; or a pharmaceutically acceptable salt thereof.

Abstract: A receiving apparatus, a sending apparatus, and a data processing method that are configured to execute processing related with time information corresponding to a variety of operations. The receiving apparatus receives metadata that includes information for executing processing related with time information in accordance with a mode corresponding to two or more pieces of time information and executes the processing related with the time information on the basis of the received metadata, thereby executing the processing related with the time information corresponding to a variety of operations. The technology is applicable to television receivers, for example.