Abstract: In embodiments a component includes a semiconductor layer sequence having a p-side semiconductor layer, an n-side semiconductor layer and an active zone located therebetween, wherein the active zone has a multiple quantum well structure including a plurality of quantum barrier layers and quantum well layers, the quantum barrier layers and the quantum well layers being arranged alternately along a vertical direction, wherein the active zone has at least one recess having facets extending obliquely to a main surface of the active zone, the recess being opened towards the p-side semiconductor layer, wherein, at least within the recess, the quantum barrier layers are n-doped and have a non-constant doping profile so that the component is configured to increase transport negatively charged charge carriers, from the n-side semiconductor layer towards the p-side semiconductor layer, based on the non-constant doping profile, and wherein, from the n-side semiconductor layer towards the p-side semiconductor layer, dopa

Abstract: A control method for an electronic device is provided. Firstly, a host device establishes a group and sets an effect with respective to the group. Then, the host device determines that whether a client device joins in the group or not. When the client device joins in the group, the host device transmits a synchronization signal at a predetermined time interval to the client device to synchronize timing of the effect of the host device and the client device.

Abstract: A multimedia broadcasting system having a multiple-node structure includes nodes. Each node is coupled to at least one of the nodes, and the nodes include server nodes and multimedia-playing terminal nodes. Each server node is coupled to at least one of the server nodes and provides at least one multimedia content. Each multimedia-playing terminal node receives multimedia content transmitted by a server node of the server nodes and plays the multimedia content. A first server node of the server nodes is coupled to a second server node of the server nodes, and the first server node transmits, via the second server node, a first multimedia content to at least one multimedia-playing terminal node controlled by the second server node. Each multimedia-playing terminal node is a multimedia play terminal including at least one display device or audio playing device.

Abstract: A multimedia broadcasting system having a multiple-node structure includes nodes. Each node is coupled to at least one of the nodes, and the nodes include server nodes and multimedia-playing terminal nodes. Each server node is coupled to at least one of the server nodes and provides at least one multimedia content. Each multimedia-playing terminal node receives multimedia content transmitted by a server node of the server nodes and plays the multimedia content. A first server node of the server nodes is coupled to a second server node of the server nodes, and the first server node transmits, via the second server node, a first multimedia content to at least one multimedia-playing terminal node controlled by the second server node. Each multimedia-playing terminal node is a multimedia play terminal including at least one display device or audio playing device.

Abstract: Application protection systems and methods. The system comprises a security platform device comprising a storage unit and a processing unit. The storage unit comprises a root security key and an application security key. The security platform device receives a unique key from an application. The processing unit encrypts the unique key using the root security key, and determines whether the encrypted unique key conforms to the application security key. If so, the application is allowed to execute.

Abstract: A method of connecting two or more phone lines in a cross-country connection through a rented device. The device may be a mobile phone or a SIM card. An SMS message is sent from the rented device to a service provider bearing the identification of the phone lines to be connected. The SMS is received by a gateway of the service provider, and the gateway subsequently places calls to the phone lines in the SMS and connects the phone lines.

Abstract: Application protection systems and methods. The system comprises a security platform device comprising a storage unit and a processing unit. The storage unit comprises a root security key and an application security key. The security platform device receives a unique key from an application. The processing unit encrypts the unique key using the root security key, and determines whether the encrypted unique key conforms to the application security key. If so, the application is allowed to execute.

Abstract: Users (302,403,406) of a bank (332,324)put funds into user credit account (112,114,116,118) from which the funds can be transferred to a consolidated e-purse ban account (120) within the bank (332,324). The consolidated e-pures bank account (120) i mirrored in a e-purse database (204), but with fund allocated to different e-purese (212,214,216,218,226,228) the total of all funds in the different c-purse (212,214,216,218,226,228) beeing equal to the funds in the consolidated e-purse ban account. When a first user (302) wishes to make a purchase from a second user (304), h sends an SMS message (352) to a mobile telephone payment gateway (320) indicating th second user (304) and an amount. The indicated amount of funds is removed from the fir users's e-purese (212). When the purchase is confirmed, the funds are transferred into th second user's e-purse (214), less transaction charges. These funds are immediately availabl to the second user (304).

Abstract: A light leakage preventive structure for front projector includes an octagonal mask fixedly disposed before a lens of the projector, so that a projected image sequentially passes the lens and the mask to effectively prevent light leakage around a screen showing the projected image.

Abstract: An extra-monitor control circuit system for monitor includes one or more of an OSD circuit, a scaler circuit, and an A/D converting circuit, and a DC/DC converting circuit. The extra-monitor control circuit system is located at a position outside a monitor, and the DC/DC converting circuit converts power supplied from a power supply of a PC host and supplies the converted power to the monitor. The extra-monitor control circuit system may be in the form of an independent unit adapted to insert into an expansion slot on the PC host, or integrated into a PC graphic card. With the extra-monitor control circuit system, the monitor can be manufactured at a reduced cost and the problems of signal distortion and compatibility can be avoided.

Abstract: An extra-monitor control circuit and transmission system for monitor includes an extra-monitor control circuit system having a scaler circuit, an On Screen Display (OSD) circuit, and a DC/DC converting circuit provided thereon. The extra-monitor control circuit system is located at a position outside a monitor and connected to the monitor via a transmission system consisting one single cable and connectors thereof. The one single cable and the connectors thereof transmit both signals and power to the monitor from a personal computer (PC) host to thereby reduce the monitor manufacturing cost and eliminate the problems of distorted signals and signal compatibility.

Abstract: The invention discloses a method of connecting two or more phone lines in a cross-country connection through a rented device (44). The device may be a mobile phone or a SIM card. An SMS message (42) is sent from the rented device (44) to a service provider (47) bearing the identification of the phone lines to be connected. The SMS is received by a gateway of the service provider, and the gateway subsequently places calls to the phone lines (46) in the SMS and connects the phone lines.

Abstract: A paging system includes a private branch exchange telephone system (2) having a number of registered users (7). Each registered user (7) is associated with a unique identification code and, optionally, a cell phone number (5). The private branch exchange (2), in response to a call to the registered user's extension (EXT1), dialing a call to the cell phone number (5) associated with the registered user (7).

Abstract: A paging system includes a private branch exchange telephone system (2) having a number of registered users (7). Each registered user (7) is associated with a unique identification code and, optionally, a cell phone number (5). The priate branch exchange (2), in response to a call to the registered user's extension (EXT1), dialing a call to the cell phone number (5) associated with the registered user (7).