Abstract: An electronic device includes an interface configured to receive telemetry information for one or more power semiconductor devices and a data acquisition and processing unit. The data acquisition and processing unit may be configured to increase a gate voltage above a maximum permitted level for each of the one or more power semiconductor devices having a current slew rate that exceeds a predetermined level as determined by the telemetry information. The data acquisition and processing unit may be configured to increase a gate voltage above a maximum permitted level for each of the one or more power semiconductor devices having a temperature that exceeds a predetermined level as determined by the telemetry information. An electronic system that includes the electronic device is also described.

Abstract: An electronic device includes: an interface configured to receive telemetry information for one or more power semiconductor devices; and a data acquisition and processing unit. The data acquisition and processing unit may be configured to periodically update an estimate of a remaining lifetime of the one or more power semiconductor devices, based on the telemetry information collected during use of the one or more power semiconductor devices and received at the interface. The data acquisition and processing unit may be configured to adjust one or more operating parameters for each of the one or more power semiconductor devices that has reached a predetermined level of degradation as determined by the telemetry information. An electronic system that includes the electronic device is also described.

Abstract: An electronic device includes: an interface configured to receive telemetry information for one or more power semiconductor devices; and a data acquisition and processing unit. The data acquisition and processing unit may be configured to periodically update an estimate of a remaining lifetime of the one or more power semiconductor devices, based on the telemetry information collected during use of the one or more power semiconductor devices and received at the interface. The data acquisition and processing unit may be configured to adjust one or more operating parameters for each of the one or more power semiconductor devices that has reached a predetermined level of degradation as determined by the telemetry information. An electronic system that includes the electronic device is also described.

Abstract: The invention relates to a network comprising a plurality of network nodes. At least part of the network nodes are directly coupled to each other via at least one star node. The star node comprises a plurality of star interfaces which are assigned to at least one network node. In dependence on a respective pilot signal, a star interface conveys a message from the assigned network node to the other star interfaces, or from another star interface to at least one of the assigned network nodes. Also, in the event of simultaneous arrival of at least two pilot signals at the respective star interfaces, a decision circuit releases one star interface for the transmission of data.

Abstract: Method for synchronization of network nodes in a LAN (10) including a central network master-node (11) and a plurality of synchronization domains (20, 30), each synchronization subnetwork (20,30) includes a synchronization submaster (21, 31) and at least one synchronization slave-node (22, 23; 32, 33), the method comprising the following steps: setting up or change a multicast group for each synchronization domain (20, 30), wherein a multicast group includes MAC addresses of all synchronization slaves (22, 23; 32, 33) of the synchronization domain (20, 30); transmitting a first synchronization message (12) at time n from the central master-node (11) to all other network nodes (21, 22, 23; 31, 32, 33); receiving the first synchronization message in all other network nodes (21, 22, 23; 31, 32, 33); capturing a local clock value Ax,y(n) at receiving the first synchronization message (12) in each other network nodes (21, 22, 23; 31, 32, 33); multicasting a second synchronization message (13) by the synchronizatio

Abstract: The invention relates to a method and a terminal for wireless transmitting data using a contention-based protocol, wherein a plurality of communicating wireless terminals (1-9) transmit data using a common medium for transmitting, the method within a wireless terminal comprises the steps of: waiting for a back-off time to access the medium, observing whether the medium is idle, transmitting the data if the medium is idle, registering an amount of used transmit power and adjusting features of the wireless terminal to reward the wireless terminal in dependence of the used transmit power. The proposed method will reduce the overall emitted power and the risk of interferences and will thereby improve the quality of service. The back-off time of the wireless terminal and/or a priority of a data packet to be transmitted are determined in dependence of the amount of used transmit power.

Abstract: A lighting system with a base station and a plurality of lighting units, as well as a method for controlling a lighting system are described. Each lighting unit (12) has a light source (14), a controller unit (18) and associated configuration data. A receiver (20) receives control commands over a medium shared by the lighting units (12), e.g. wireless. A base station (10) comprises a configuration memory unit (34) to store configuration data. A central processing unit (24) uses a transmitter (38) to transmit control commands to the lighting units (12). The lighting units (12) are addressed using data stored in the configuration memory unit. The lighting units (12) are operated sequentially.

Abstract: The invention relates to a network comprising a plurality of network nodes. At least part of the network nodes are directly coupled to each other via at least one star node. The star node comprises a plurality of star interfaces which are assigned to at least one network node. In dependence on a respective pilot signal, a star interface conveys a message from the assigned network node to the other star interfaces, or from another star interface to at least one of the assigned network nodes. Also in the event of simultaneous arrival of at least two pilot signals at the respective star interfaces, a decision circuit releases one star interface for the transmission of data.

Abstract: The invention relates to a network comprising a plurality of network nodes. At least part of the network nodes are directly coupled to each other via at least one star node. The star node comprises a plurality of star interfaces which are assigned to at least one network node. In dependence on a respective pilot signal, a star interface conveys a message from the assigned network node to the other star interfaces, or from another star interface to at least one of the assigned network nodes. Also, in the event of simultaneous arrival of at least two pilot signals at the respective star interfaces, a decision circuit releases one star interface for the transmission of data.

Abstract: The invention relates to a method of accommodating a network apparatus (2) in an existing network (A), wherein a user (1) supplies characteristic biometrical data to the apparatus (2) as well as to the apparatuses of the network (A) via a biometry module. A network identifier and/or a configuration key can then be derived from the biometrical data. The network identifier can ensure that the new apparatus (2) is correctly assigned to the desired network (A), also when there are still other networks (B) within its range. The configuration key can be used for securing the information exchanged during the configuration phase from interception.

Abstract: A device arrangement for a network, and particularly a home network (1), comprises a plurality of devices (2) that can be actuated electronically by a user, and particularly consumer electronics devices, building control devices, home entertainment electronics devices and/or network control devices. Each device (2) has a name memory (6) in which is stored a device name uniquely assigned to the device (2), to enable the particular device (2) to be uniquely actuated within the network (1). The device name stored in the name memory (6) can be individually selected and/or changed by the user by means of a mobile input unit (3) that has a short-range electronic data link to a device (2).

Abstract: A mobile device (12) is presented that comprises a chargeable supply element (20) for supplying the mobile device with electrical power. The mobile device (12) has means for determining a charge level of the supply element (20) and at least one function unit (16). The mobile device furthermore has an authentication unit (22) for evaluating the charge level, wherein, in the event of an increase and/or a sudden change in the charge level, the authentication unit (22) at least restricts the operation of the function unit (16) until an authentication signal is entered. An anti-theft system (10) is furthermore described that comprises the mobile device (12) and a base station 14 having a second authentication unit (23), wherein authentication signals can be conveyed at least from the second authentication unit (23) to the first authentication unit (22) via a data path (30).

Abstract: The invention relates to a network comprising a plurality of network nodes and one star node, which star node is provided for the direct coupling of at least two network nodes. The star node comprises a plurality of star interfaces which are assigned to at least one network node and which comprise each an activity detector for detecting activities in the message signal coming from the assigned network node and for transferring the message signal from the assigned network node to the other star interfaces or from another star interface to the assigned network node in dependence on at least one activity.

Abstract: The invention relates to a security system for networks, comprising a first portable unit (1) with a memory (3) for storing a worldwide unambiguous key record (4) provided for short-range information transmission of the key record (4). At least one apparatus (2) of the network is provided with a receiving unit (7) comprising a receiver (9) for receiving the key record (4) and an evaluation component (11) of the apparatus for storing, processing and/or passing on the key record (4) or a part of the key record to a second component. Due to the key record, the apparatuses in the network acquire a secret shared key by means of which the encryption and decryption of the transmitted useful data and/or the authentication is performed.

Abstract: The invention relates to a security system for wireless networks, comprising a portable unit (1) with a key unit (3) for making a key record (4, 17, 104) available and being provided for short-range information transmission of the key record (4, 17, 104). At least one wireless apparatus (2) of the network is provided with a receiving unit (7) comprising a receiver (9) for receiving the key record (4, 17, 104) and an evaluation component (11) of the apparatus for storing, processing and/or passing on the key record (4, 17, 104) or a part of the key record to a second component. Due to the key record, the apparatuses of the wireless network acquire a secret shared key with which the encryption and decryption of the transmitted useful data and/or the authentication is performed. The unit (101) may further comprise a reading device (107) for a chip card (108), which chip card (108) preferably comprises the decoding key record (104) of copy-protected digital data.

Abstract: The present invention provides for a reliable communication over radio networks co-existing in the same frequency band. According to the present invention, a transceiver operating according to another transmission scheme may transmit a frame in the IEEE 802.11 format. This frame may comprise an error. Upon receipt of this frame by an IEEE 802.11 station, this station may defer from channel access for a period of time.

Abstract: For a network coupler for network users in a network comprising at least two lines, a simultaneous data and energy transfer is ensured in that the network coupler is formed in such a way that it is suitable for data transfer via the two lines (1, 2) of the network and for coupling out energy from the two lines (1, 2) of the network to which a terminal of a voltage source is coupled, in that the network coupler symmetrically couples energy into and/or out of the two lines (1,2), in that the network coupler couples the data symmetrically, differentially and inductively or capacitively into and/or out of the two lines (1, 2), and in that the network coupler symmetrically terminates the two lines (1, 2).

Abstract: The invention relates to a communications network (1) comprising a plurality of network nodes (2), which include each a synchronization circuit (5) for generating a global clock signal (GT) from a local clock signal (LT) formed by a clock generator (4) in dependence on a time of reception of a message. The synchronization circuit (5) includes a divider arrangement (8) for dividing the local clock signal (LT) in dependence on a correction term (KT) and at least one divider factor which is produced by a scaler arrangement (9). The comparator circuit (10) is provided for forming the correction term by comparing the instant of reception of a message and of the local clock signal LT. Furthermore, the synchronizing circuit (5) includes a divider control (7) which may perform a change of at least one divider factor when the correction term (KT) exceeds a predefined first threshold.

Abstract: For a network coupler for network users in a network comprising at least two lines, a simultaneous data and energy transfer is ensured in that the network coupler is formed in such a way that it is suitable for data transfer via the two lines (1, 2) of the network and for coupling out energy from the two lines (1, 2) of the network to which a terminal of a voltage source is coupled, in that the network coupler symmetrically couples energy into and/or out of the two lines (1,2), in that the network coupler couples the data symmetrically, differentially and inductively or capacitively into and/or out of the two lines (1, 2), and in that the network coupler symmetrically terminates the two lines (1, 2).

Abstract: For a network coupler for network users in a network comprising at least two lines, a simultaneous data and energy transfer is ensured in that the network coupler is formed in such a way that it is suitable for data transfer via the two lines (1, 2) of the network and for coupling out energy from the two lines (1, 2) of the network to which a terminal of a voltage source is coupled, in that the network coupler symmetrically couples energy into and/or out of the two lines (1,2), in that the network coupler couples the data symmetrically, differentially and inductively or capacitively into and/or out of the two lines (1, 2), and in that the network coupler symmetrically terminates the two lines (1, 2).