Abstract: A satellite positioning method, a satellite pseudorange calculation apparatus and a satellite pseudorange calculation method thereof are provided. The satellite pseudorange calculation apparatus is used for calculating a pseudorange between a satellite and a satellite positioning receiving device, wherein the pseudorange includes an integer code value and a fractional code value. The satellite pseudorange calculation apparatus comprises a receiver and a processor electrically connected with the receiver. The receiver is configured to receive a code phase from a satellite signal acquisition unit, and the processor is configured to calculate the fractional code value according to the code phase. The receiver is further configured to define an approximation position and calculate the integer code value according to the approximate position and the fractional code value. The satellite positioning method is used for positioning the satellite positioning receiving device.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: An electric meter (EM) network system, an EM node and a broadcasting method thereof are provided. The EM node, which is electrically connected to a power supply loop, stores a layer number and a total layer number. When the power supply loop recovers from a power disconnect condition to a power supplying condition, the EM node obtains a waiting time according to a difference value between the layer number and the total layer number, and broadcasts a route message after the waiting time.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: A system and method for constructing a scene clip, and a non-statutory record medium thereof are provided. The system includes media supply equipment, a metadata server, a scene server, and an end device. The media supply equipment is used for providing media data. The metadata server is used for providing scene time information corresponding to playback scenes of the media data. A first end device acquires the media data and the scene time information, and extracts, according to capture time information input when playing the media data, at least one piece of target scene time from each piece of the scene time information. The scene server acquires the media data and the target scene time, and according to an alignment result of the target scene time and each piece of the scene time information, extracts local scene clips from the media data to form a piece of media division data.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegated key management and key management methods thereof are provided. The major management apparatus generates a first delegation deployment message and a second delegation deployment message, which are transmitted to the authorized management apparatus and the electronic apparatus, respectively. The authorized management apparatus encrypts an original key management message into a key management message by an authorization key included in the first delegation deployment message. The original key management message includes an operation code and a key identity. The electronic apparatus decrypts the key management message into the original key management message by the authorization key included in the second delegation deployment message. The electronic apparatus selects an application key according to the key identity and operates the application key based on the operation code.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegated key management and key management methods thereof are provided. The major management apparatus generates a first delegation deployment message and a second delegation deployment message, which are transmitted to the authorized management apparatus and the electronic apparatus, respectively. The authorized management apparatus encrypts an original key management message into a key management message by an authorization key included in the first delegation deployment message. The original key management message includes an operation code and a key identity. The electronic apparatus decrypts the key management message into the original key management message by the authorization key included in the second delegation deployment message. The electronic apparatus selects an application key according to the key identity and operates the application key based on the operation code.

Abstract: A major management apparatus, an authorized management apparatus, an electronic apparatus for delegation management, and delegation management methods thereof are provided. The major management apparatus generates a first and a second delegation deployment messages and respectively transmits them to the authorized management apparatus and the electronic apparatus. The authorized management apparatus encrypts an original authorized operation message into an authorized operation message by an authorization key included in the first delegation deployment message and transmits the authorized operation message to the electronic apparatus. The original authorized operation message includes an operation task message and a right level. The electronic apparatus decrypts the authorized operation message into the original authorized operation message by the authorization key included in the second delegation deployment message and performs an operation according to the operation task message and the right level.

Abstract: A satellite positioning method, a satellite pesudorange calculation apparatus and a satellite pesudorange calculation method thereof are provided. The satellite pesudorange calculation apparatus is used for calculating a pesudorange between a satellite and a satellite positioning receiving device, wherein the pesudorange includes an integer code value and a decimal code value. The satellite pesudorange calculation apparatus comprises a receiver and a processor electrically connected with the receiver. The receiver is configured to receive a code phase from a satellite signal acquisition unit, and the processor is configured to calculate the decimal code value according to the code phase. The receiver is further configured to define an approximation position and calculate the integer code value according to the approximate position and the decimal code value. The satellite positioning method is used for positioning the satellite positioning receiving device.

Abstract: A system and a method for summary collection and playing of scenes and a recording medium thereof are provided. The system includes media supply equipment, a scene description server, a scene server, and an end device. The media supply equipment supplies media data. The scene description server supplies scene description information of a scene segment corresponding to the media data, where each piece of scene description information records a playing content of the scene segment corresponding thereto. The scene server obtains the media data and a summary collect command supplied by the end device, and retrieves a plurality of partial scene segments from the media data according to an analysis result of the summary collect command and the playing content recorded by each piece of scene description information, so as to form media summary data and output the media summary data to the end device.

Abstract: A scene fragment transmitting system, a scene fragment transmitting method and a non-transitory recording medium thereof are provided. This system includes a serving module and a terminal module. The terminal module is used for inputting a scene instruction. The serving module, according to comparison between the scene instruction and the scene description data, captures one or more than one required scene fragment medium from a piece of media data. The terminal module obtains this scene fragment medium or these scene fragment media, and presents a playable scene fragment medium on a play interface.

Abstract: A scene segment playing system, a scene segment playing method and a recording medium thereof are provided. The system includes media supply equipment, a description generating server, a scene server, and an end device. The media supply equipment is used for supplying media data. Upon receiving the media data, the scene server supplies scene description data corresponding to the media data. The scene server acquires the media data and interval information supplied by the end device, and retrieves scene segment data from the media data according to a comparison result of the interval information and the scene description data, and outputs the scene segment data to the end device for playing.

Abstract: An electric meter (EM) network system, an EM node and a broadcasting method thereof are provided. The EM node, which is electrically connected to a power supply loop, stores a layer number and a total layer number. When the power supply loop recovers from a power disconnect condition to a power supplying condition, the EM node obtains a waiting time according to a difference value between the layer number and the total layer number, and broadcasts a route message after the waiting time.

Abstract: A scene control system and method and a recording medium thereof are provided. The system includes a media supply module, a time code unit, and a monitoring unit. The media supply module is used for supplying original scene information and spare scene information. The time code unit respectively obtains an original scene time code corresponding to the original scene information and a spare scene time code corresponding to the spare scene information. The monitoring unit is used for obtaining a control signal according to external ratings or through watching the original scene information downloaded in advance, and according to the control signal, processing an original scene picture of a segment unsuitable for watching in the original scene information through retrieval, content insertion, or pixelization, so as to avoid playing of an inappropriate picture.

Abstract: A data processing apparatus and a data processing method thereof for use in power line communications are provided. The data processing apparatus includes a first communication interface, a second communication interface, a storage, and a processor electrically connected to the first communication interface, the second communication interface and the storage. The first communication interface communicates with an electricity meter via a first power line and receives a first signal from the electricity meter, wherein the first signal comprises electricity meter data. The second communication interface communicates with a concentrator via a second power line. The processor estimates a first channel parameter of the second power line, and stores the electricity meter data to the storage if the processor determines that the first channel parameter is larger than a channel parameter threshold.

Abstract: A scene segment playing system, a scene segment playing method and a recording medium thereof are provided. The system includes media supply equipment, a description generating server, a scene server, and an end device. The media supply equipment is used for supplying media data. Upon receiving the media data, the scene server supplies scene description data corresponding to the media data. The scene server acquires the media data and interval information supplied by the end device, and retrieves scene segment data from the media data according to a comparison result of the interval information and the scene description data, and outputs the scene segment data to the end device for playing.

Abstract: A system and method for constructing a scene clip, and a record medium thereof are provided. The system includes media supply equipment, a metadata server, a scene server, and an end device. The media supply equipment is used for providing media data. The metadata server is used for providing scene time information corresponding to playback scenes of the media data. A first end device acquires the media data and the scene time information, and extracts, according to capture time information input when playing the media data, at least one piece of target scene time from each piece of the scene time information. The scene server acquires the media data and the target scene time, and according to an alignment result of the target scene time and each piece of the scene time information, extracts local scene clips from the media data to form a piece of media division data.