Abstract: The present disclosure relates to a lighting device (100) comprising a lighting unit (102), at least one application unit (104), and a battery housing (106) comprising a first battery compartment (108) with a first electrical contact set (110) for accommodating and connecting a first battery and with a second battery compartment (112) with a second electrical contact set (114) for accommodating and connecting a second battery, wherein the first and second battery compartments are configured to force an exclusive spatial accommodation of only one of the first and second batteries in the battery housing at a given point in time. The lighting unit is electrically connected to the first electrical contact set for being powered by the first battery in a first operational mode and the application unit is electrically connected to the second electrical contact set for being powered by the second battery in a second operational mode.

Abstract: A control module (120,120a-b) for controlling a plurality of power switching elements (111a-d) arranged for controlling provision of power to one or more wireless network devices (125a-c); wherein the control module (120,120a-b) comprises a processor (122) arranged for: determining which one of the plurality of power switching elements (111a-d) the control module (120,120a-b) receives power through; determining a set of the plurality of wireless network devices (125a-c) which receives power via a first power switching element out of the plurality of power switching elements (111a-d); determining that the set includes all the wireless network devices which receive power via the first power switching element; determining operational state of each of the wireless network devices in the set; determining whether the control module (120,120a-b) receives power via the first power switching element; evaluating a first set of conditions; wherein the first set of conditions comprises that the control module (120,120a-b

Abstract: A method for selecting a subset of devices from a plurality of devices in a wireless network to perform: a first function comprising transmitting, receiving and/or processing a first radio frequency signal in a first frequency band for detecting atmospheric conditions; and a second function comprising transmitting, receiving and/or processing a second radio frequency signal in a second frequency band, at least partially overlapping with the first frequency band, for performing network communications; wherein the first and the second function are performed during a time period; and wherein the time period comprises a first subset of timeslots and a second subset of timeslots; wherein the method comprises: selecting the subset of devices based on a physical location of the devices relative to an area in which atmospheric conditions are to be monitored; assigning the first subset of timeslots to each of the selected devices to perform the first function, wherein the first subset of timeslots is assigned based on

Abstract: The invention is directed to electrical load grouping based on measurements of an electrical parameter at electrical load sensors (120A, 120B). An electrical load grouping device (110) is configured for receiving a changed value of the electrical parameter from one or more of the electrical load sensors (120A, 120B) in reaction to a changed power consumption of a respective electrical load (132A, . . . , 134C). The electrical load grouping device (110) is further configured for assigning the respective electrical load (132A, . . . , 134C) to a group (130A, 130B) of electrical loads associated to an electrical load sensor (120A, 120B) or groups of electrical loads associated to electrical load sensors based on which electrical load sensor (120A, 120B) or which electrical load sensors measured the changed value of the electrical parameter received in reaction to the changed power consumption of the respective electrical load (132A, . . . , 134C).

Abstract: A method of detecting atmospheric conditions in an area via a plurality of devices, each arranged for transmitting, receiving, and/or processing radio frequency signals in a predetermined frequency band; wherein the radio frequency signals can be affected by atmospheric conditions; wherein the method comprises the steps of: transmitting, by a first device of the plurality of devices, a first radio frequency signal intended for receipt by a second device of the plurality of devices in order to perform a network communications function between the first and the second device during a time period; receiving, by the second device, the transmitted first radio frequency signal; and processing, by the second device, the received first radio frequency signal in order to perform the network communications function; wherein the method further comprises the steps of: selecting a third device, of the plurality of devices, based on a physical location of the third device relative to the area in which the atmospheric condi

Abstract: The invention relates to a peripheral device for communicating with a host and for controlling a controlled device, to a system including such peripheral device and at least the controlled device and to a corresponding method including a communication and a controlling. In order to allow for a possibility for upgrading controlled devices with further functionality during their service life at low initial costs or efforts on the side of the controlled devices, it is provided for an interconnection between a portion of the system using a complex standard and another portion of the system not using such standard by means of the peripheral device having a dual purpose, as a peripheral device to the standard compliant host and as a controlling device to the controlled device. In both cases, however, power is provided to the peripheral device from either the host or from the controlled device.

Abstract: The present invention relates to a simple data transmission protocol and a data receiving device (10, 10?, 10?, 10??) for a power over Ethernet system (100?) using the simple data transmission protocol. The device (10, 10?, 10?, 10??) comprises a port and a simple logic unit. The port is configured for receiving power and data transmitted to the device (10, 10?, 10?, 10??) via an Ethernet connection (16?). The simple logic unit is configured to decode data encoded in a characteristic of one or more data packets received at the port. The data can be encoded in data packet length, data packet duration, number of data packets in a predetermined interval, and/or sequence of data packets. The simple data transmission protocol can reduce power consumption as in contrast to the Ethernet protocol MAC does not need to be decoded for information transfer. Hence only simple logic functions are required.

Abstract: The invention relates to a user interface device (1) coupleable to a control unit (2) via a connection cable (3) comprising at least one optical fiber for transporting light. The user interface device (1) comprises a light inlet opening (21) configured to receive light from a region outside a housing (9) of the device (1) and to couple the received light into the first optical fiber (8a) for transmitting the light to the control unit (2) when the user interface device (2) is switched off. Moreover, the invention relates to a control unit (2) coupleable to the user interface device (1) via the connection cable (3). The control unit (2) is configured to detect changes of the light received via the first optical fiber (8a) and to activate power supply to the user interface device (1) to switch on the user interface device (1) based upon the detected changes.

Abstract: According to one aspect disclosed herein, there is provided an optical wireless charging and data transmission system (100), the system comprising: a plurality of transmitter nodes (102,2020) operable to perform a first function of emitting a beam of light (104) to charge a receiver device (106) and a second function of emitting a beam of light (206) to transmit data to the receiver device (106); and a controller (108) configured, for each of the transmitter nodes, to perform a selection by selecting between performing the first function and the second function; wherein the controller is configured to perform the selection for each of the plurality of transmitter nodes based on one or more properties of the system comprising the spatial configuration of the system (100) and one or more properties of the receiver device (106) comprising the location of the receiver device relative to the system, by selecting a first transmitter node (202) of the plurality of transmitter nodes (102, 202) for transmitting data t

Abstract: The invention relates to a power providing device (1), a power receiving device (2) and a corresponding method of providing power from a power providing device (1) to multiple power receiving devices (2) allowing for a reduction of the power consumed in stand-by situations. The invention provides for a distribution system allowing for providing standby assistance low voltage allowing for increased efficiency operation.

Abstract: The invention refers to a system for providing a sequence of nodes (220, 230) in a single pair network (200), like a PoDL network. The nodes of the network are connected in series by a single pair cable (240) comprising two conductors, and the nodes comprise means (223) for providing a short circuit to the two conductors. The system comprises a unit (211) for sending a short circuit signal to a node causing the node to provide the short circuit, a unit (214) for receiving a sequence determination signal from the node providing the short circuit, wherein the signal is indicative of a position of the node, and a unit (215) for determining a sequence of a plurality of nodes based on the signals of the plurality of nodes. Accordingly, the system allows to determine the sequence accurately in an easy manner.

Abstract: A beacon is provided comprising a processor circuit configured to, in dependency on an occupancy signal, switch the radio circuit mode to active mode and periodically transmit the localizing beacon signal through the radio circuit, or switch the radio circuit mode to reduced-energy mode and reduce transmitting of the localizing beacon signal.

Abstract: The invention relates to a signal-repeater device (308) being operable in a regular repeater-operation mode and in a low-power repeater-operation mode requiring less operational power than the regular repeater-operation mode, and that comprises a signal processing unit (316) which performs, in the regular repeater-operation mode, a signal receiving function and a signal repeating function, and an operation control unit (318) configured to determine status information indicative of associated external transceiver devices being respectively operated in a low-power transceiver-operation mode, operate the signal processing unit in the low-power repeater-operation mode by switching off the signal repeating function upon determining, based on the determined status information, that each of the associated external wireless transceiver devices is being operated in the low-power transceiver-operation, thus reducing the power consumption of the signal-repeater device, and switch to operation of the signal processing un

Abstract: The invention is related to a luminaire comprising a lighting module for emitting light, a driver for driving operation of the lighting module, a runtime overvoltage protection device for protecting the lighting module and the driver from exposure to overvoltage above a first overvoltage tripping limit, and a provisional overvoltage protection device that is connected in parallel to the runtime overvoltage protection device and has a second overvoltage tripping limit. The second tripping limit smaller than the first overvoltage tripping limit so that the provisional overvoltage protection device provides overvoltage protection to the runtime overvoltage protection device. Moreover, the provisional overvoltage protection device is deactivatable.

Abstract: The present invention relates to an application device comprising an integrated energy storage, an application controller and a method of operating an application system, supporting different operation modes. In a first operation mode, AC power is provided via a distribution line to operate the application device. In a second mode, the AC power transmission at the distribution line is replaced by data communication, wherein the application device is run by energy from the energy storage during the second operation mode. Preferably in a third operation mode, DC power from the energy storage of an application device may be provided via the distribution line to another application device.

Abstract: The invention relates to a DC-power supply device (100) for supplying operational DC power to an external DC-powered device (102a) via a wired connection (104. a) that comprises a DC-power output interface (106a), a communication unit (108) configured to receive a shutdown-request signal (S1) indicative of a shutdown time-span (ts) during which no operational DC power is required and to provide a shutdown-trigger signal (52), a DC-powered device detection unit (110a) configured to determine a connected state and a disconnected state of the DC-powered device and to provide a connection status signal (53) indicative thereof and a power control unit (112) configured, upon reception of the shut-down-trigger signal, to disable provision of operational DC power during the shutdown time-span and, upon reception of the connection status signal indicative of the disconnected state, to re-enable provision of operational DC-power, thus improving a control of operational DC power provision.

Abstract: The invention relates to a lighting device (200), which comprises a power input (202) unit for reception of primary operating power from an external primary power supply, a lighting control unit (204) configured to control a lighting function of the lighting device, a secondary power supply unit (206) for storing operating energy and providing secondary operating power in absence of reception of the primary operating power, a wireless-transceiver unit (208), which is configured, in performing a pre-installation connectivity test routine under supply of only the secondary operating power, to generate and transmit, upon detecting reception of a trigger input signal (210), a first wireless test signal (212), to monitor for reception of a second wireless test signal (214) from an external wireless-transceiver unit; and to determine whether or not the received second wireless test signal fulfills predetermined test-signal criteria and to provide an output signal indicative thereof.

Abstract: The invention relates to a DC-power supply device (400) for supplying operational DC-power to one or more DC-powered devices that have respective DC-power requirements, that comprises a power interface (402) for providing, via a single twisted-pair wired bus (401), DC output power, a DC-power-supply network communication unit (404) configured to receive DC-power requirement information indicative of a DC-voltage requirement and a DC-current requirement for operation of the respective connected DC-powered devices, and a DC-power-supply control unit (406) configured to drive, in an initialization supply mode, delivery of initialization DC-output power amount, that is suitable for transmission by the DC-powered devices of respective DC-power requirement information, to determine, using the DC-power requirement information and a power-determination rule, and provide an operational DC output power for powering operation of at least one the DC-powered devices in its regular operation mode, thus enabling a powering

Abstract: An electronic building automation system, comprising one or more electronic building automation devices, comprising a beacon receiver arranged to receive localizing beacon signals transmitted from multiple beacons, a processor circuit configured to generate a service request comprising the beacon identifiers stored in the beacon identifier memory, the control computer arranged to generate a servicing message comprising data localizing the building automation device, said data being obtained from the beacon identifiers in the received service request.

Abstract: The invention relates to powering one or more devices, in particular in the context of Power-over-Ethernet (PoE). In an embodiment of the invention, it is proposed to equip each node (11) with a PD interface (22) that can signal multiples of the standard defined unity load (25 k? with tolerances) during the detection process and increase the load during a sequence of detection attempts. In that way, several nodes (11) can share one PSE outlet and determine the number of neighboring loads (11). At the same time, each node (11) will offer full functionality during “normal” stand-alone wiring. This powering concept can be combined with full or limited data communication capabilities.