Abstract: Architecture for searching geospatial resources is provided. Geospatial web crawlers are used. The architecture comprises a database, a plurality of computers (workers) and a server (master). The master is connected with the database and the workers. By using the concept of web crawler and parallel processing, geospatial resources shared on the Internet can be automatically and quickly found in a large scale. Thus, geospatial resources can be collected with high efficiency. A complete and rich geospatial database can be established. The problem of quickly finding resources in the Big Geoweb Data can be solved.

Abstract: A network infrastructure for a wireless communication system is disclosed. The infrastructure comprises a fronthaul network, an RRH pool, a radio service chain (RSC). The RSC is coupled to the fronthaul network and the RRH pool for allocating the RRH resources. The RSC comprises an orchestrator and a remote radio head (RRH) controller. The orchestrator is used for receiving a radio resource request from the at least one C-RAN and converting the radio resource request into a RRH specific command. The RRH controller is used for slicing the RRH resources to create virtual RRHs according to the radio resource request.

Abstract: An SDN-enabled network communication method is disclosed. A master TURN server sends a client an error response and assigns a relay switch as a backup server for the client using an alternate-server mechanism. Therefore, data streams of the client are directly transferred to the relay switch. With support by a shadow TURN server and an SDN controller, switches forwarding the data streams are managed according to the OpenFlow protocol to implement path optimization for the data streams.

Abstract: In a method for seeking help in the social network executed in a server, a plurality of electronic devices is connected with the server. When a user of an electronic device registers the server, a social network account is input to the server. The social network account is used to obtain information of friend accounts, so that the server can select one or more friends corresponding to the friend accounts to help the user based on the obtained information and one or more conditions input by the user of the electronic device, when the user of the social network account gets into trouble or encounters a problem.

Abstract: A method for controlling a virtual machine, on a terminal device, the method includes receiving a request to create a virtual machine sent by a terminal device via an instant communication software and granting the terminal device an authority to create the virtual machine in response to the received request to create the virtual machine, receiving setting information of the virtual machine sent by the terminal device via the instant communication software when the server grants the terminal device the authority to create the virtual machine, and creating the virtual machine according to the received setting information of the virtual machine.

Abstract: A lens structure and a 3D display device having the same are provided. The lens structure has unit regions. Each unit region includes upper and lower substrates, an anisotropic birefringence medium, center electrodes, edge electrodes and at least one set of side electrodes. The upper and the lower substrates are disposed oppositely to each other. The anisotropic birefringence medium is located between the upper and lower substrates. The center electrodes, the edge electrodes and the at least one set of side electrodes are located on the upper and lower substrates. The edge electrodes are disposed corresponding to the center electrodes. The at least one set of side electrodes are disposed between the center electrodes and the edge electrodes. An electric field distribution is formed between the center electrodes, the edge electrodes and the at least one set of side electrodes, so that the anisotropic birefringence medium constitutes a Fresnel lens.

Abstract: In a processing method for a video conference, start speaking events and end speaking events of endpoints joined in the video conference are detected. Video streaming of a speaking endpoint is displayed in a speaking area of a foreground window of a display device. A current time “t”, a duration time “T” of the video conference, a start speaking time “si” and an end speaking time “ei” of the endpoints are recorded. Real-time activity scores of each of the endpoints are calculated and updated according to video recording contents. Video streaming of non-speaking endpoints are displayed in corresponding areas of the display device according to the calculated activity scores.

Abstract: The present invention provides a circuit for driving a vehicle lamp, comprising a dummy load. Multiple unidirectional conduction electronic components are coupled to the dummy, operable for conducting a current path to enable a current to flow through the dummy load. Each of multiple LED strings is coupled to each of the multiple unidirectional conduction electronic components, respectively.

Abstract: In a system and method for beforehand downloading video, executed in a video server connected to multiple client devices and accessed though the multiple client devices by different users, a switching action of the users of each client device is detected to add up the information of each switching action as subsection statistic information. A piecewise spot of the selected video is calculated according to the subsection statistics information of the selected video after receiving a request of a specified user for playing a selected video. The video database is controlled to transmit a video streaming behind the beginning of the selected video and the video streaming behind each subsection statistic of the selected video to the client device of the specified user at the same time.

Abstract: A liquid crystal (LC) lens device and a method for driving the LC lens device are provided. The LC lens device includes an LC lens array and a driving device, and the LC lens array includes LC lenses in parallel. Each LC lens includes a first substrate, first electrodes disposed on the first substrate, a second substrate, second electrodes on the second substrate, and an LC layer disposed between the first electrodes and the second electrodes to form a Fresnel lens. The driving device is electrically connected to the second electrodes of each LC lens, and provides driving voltages respectively to each of the second electrodes in an order starting from the second electrodes disposed at the edges of the Fresnel lens and ending at the second electrode disposed at the middle of a main lobe region of the Fresnel lens, and there is a preset time difference between driven starting times of every adjacent two second electrodes.

Abstract: A communication system and method are provided. In the communication system, a first electrical device has an end point which is configured to connect to a plurality of 3G dongles, wherein the 3G dongles have different IP addresses; a cloud server integrates the IP addresses to generate an integrated IP address when the cloud server detects that the first electrical device is connected to the 3G dongles; and a second electrical device transmits data packets with the first electrical device via the integrated IP address through the cloud server.

Abstract: In multimedia equipment and method for operation of a multimedia situation, a trigger event and a current time that an input device awakens multimedia equipment are detected. A matching situation is searched from a situation database according to the trigger event and the current time that are detected. A thumbnail of the matching situation from the situation database is acquired and displayed. A user operation of the displayed thumbnail of the matching situation is detected. A showing state of an application corresponding to the matching situation from the situation database is acquired. The application is shown according to the acquired showing state when the displayed thumbnail is selected. The disclosure can switch a situation automatically and start a corresponding application on condition that the multimedia equipment is awakened.

Abstract: In a processing method for a video conference, start speaking events and end speaking events of endpoints joined in the video conference are detected. Video streaming of a speaking endpoint is displayed in a speaking area of a foreground window of a display device. A current time “t”, a duration time “T” of the video conference, a start speaking time “si” and an end speaking time “ei” of the endpoints are recorded. Real-time activity scores of each of the endpoints are calculated and updated according to video recording contents. Video streaming of non-speaking endpoints are displayed in corresponding areas of the display device according to the calculated activity scores.

Abstract: A light emitting diode (LED) device is disclosed. The LED device includes a light emitting module, a metal barrier, an isolation structure, a metal housing and a plurality of lenses. The light emitting module has a plurality of light emitting diodes serving as light sources. The metal barrier is disposed above the light emitting module, and the light emitting diodes are exposed from the metal barrier. The isolation structure and the metal housing are disposed above the metal barrier. The lenses are disposed corresponding to the light emitting diodes. The lenses are directly fixed on the metal housing or located between the isolation structure and the metal housing.

Abstract: A mainboard includes a selecting module, a calculating module, and a backup module. The selecting module selects a highest backup sequence group. The calculating module checks whether current backup time arrives, and calculates memory space of partitions belonging to the highest backup sequence group when the current backup time arrives. The backup module checks whether residual space in a first flash is enough according to the calculated memory space, and backs up the partitions belonging to the highest backup sequence group originally in a second flash to the first flash if the residual space in the first flash is enough. A method of the mainboard backing up of a baseboard management controller is also provided, which provides backing up for the baseboard management controller.

Abstract: A light emitting diode (LED) device is disclosed. The LED device includes a light emitting module, a metal barrier, an isolation structure, a metal housing and a plurality of lenses. The light emitting module has a plurality of light emitting diodes serving as light sources. The metal barrier is disposed above the light emitting module, and the light emitting diodes are exposed from the metal barrier. The isolation structure and the metal housing are disposed above the metal barrier. The lenses are disposed corresponding to the light emitting diodes. The lenses are directly fixed on the metal housing or located between the isolation structure and the metal housing.

Abstract: A lens structure and a 3D display device having the same are provided. The lens structure has unit regions. Each unit region includes upper and lower substrates, an anisotropic birefringence medium, center electrodes, edge electrodes and at least one set of side electrodes. The upper and the lower substrates are disposed oppositely to each other. The anisotropic birefringence medium is located between the upper and lower substrates. The center electrodes, the edge electrodes and the at least one set of side electrodes are located on the upper and lower substrates. The edge electrodes are disposed corresponding to the center electrodes. The at least one set of side electrodes are disposed between the center electrodes and the edge electrodes. An electric field distribution is formed between the center electrodes, the edge electrodes and the at least one set of side electrodes, so that the anisotropic birefringence medium constitutes a Fresnel lens.

Abstract: A liquid crystal (LC) lens device and a method for driving the LC lens device are provided. The LC lens device includes an LC lens array and a driving device, and the LC lens array includes LC lenses in parallel. Each LC lens includes a first substrate, first electrodes disposed on the first substrate, a second substrate, second electrodes on the second substrate, and an LC layer disposed between the first electrodes and the second electrodes to form a Fresnel lens. The driving device is electrically connected to the second electrodes of each LC lens, and provides driving voltages respectively to each of the second electrodes in an order starting from the second electrodes disposed at the edges of the Fresnel lens and ending at the second electrode disposed at the middle of a main lobe region of the Fresnel lens, and there is a preset time difference between driven starting times of every adjacent two second electrodes.

Abstract: A communication system and method are provided. In the communication system, a first electrical device has an end point which is configured to connect to a plurality of 3G dongles, wherein the 3G dongles have different IP addresses; a cloud server integrates the IP addresses to generate an integrated IP address when the cloud server detects that the first electrical device is connected to the 3G dongles; and a second electrical device transmits data packets with the first electrical device via the integrated IP address through the cloud server.