Abstract:
The invention relates to a communication system with at least two communication nodes for the transmission of information via a common transmission medium in a time division multiplex process. During the system start, at least one node is provided for monitoring whether a first signal which utilizes at least one slot in a regular manner is already present in the transmission medium. If a first signal is present, said node is designed for testing this first signal as to its integrity and said node is designed for sending a second signal in the case of an incorrect integrity of the first signal, and a programmable position within the time frame given by the second signal is allocated to the time slot utilized by the first signal.
Abstract:
The network has a number of network nodes and a star node allowing direct communication between at least 2 network nodes and provided a number of star interfaces, each having an activity detector (14), for detecting activities within the information signals received from the associated network nodes and 2 switch elements, respectively used for feeding information from a network node to a different star interface or for feeding information from a different interface to an associated network node. An Independent claim for a star node for direct coupling of at least 2 network nodes is also included.
Abstract:
The invention relates to a communication system with at least two communication nodes for the transmission of information via a common transmission medium in a time division multiplex process. During the system start, at least one node is provided for monitoring whether a first signal which utilizes at least one slot in a regular manner is already present in the transmission medium. If a first signal is present, said node is designed for testing this first signal as to its integrity and said node is designed for sending a second signal in the case of an incorrect integrity of the first signal, and a programmable position within the time frame given by the second signal is allocated to the time slot utilized by the first signal.
Abstract:
The receiving circuit has a sampler (4) for converting the received message signal (1) into a sampled signal (5). A decoder (6) decodes the sampled signal and a checking unit (7) detects error in the decoded signal. A control unit (11) controls the sampling method as a function of error-check on the sampled signal. An Independent claim is also included for message signal receiving method.
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.