Abstract: A wireless communication link between a communication network and a communication terminal device positioned in a predeterminable region may be established and improve capacity for wireless communication. A line-bound communication link to the communication network may be established via a communication base device arranged in a fixed location, and an optically-based communication link to the communication terminal device may be established via an optical deflection device.

Abstract: A light fixture, preferably for stage, is provided with a source assembly configured to generate a light beam mainly along an emission direction; and with at least a first optical assembly arranged downstream of the source assembly along the emission direction; the first optical assembly comprising at least one mixing device configured to mix the light beam passing through it; the mixing device comprising an optical mixing element and a moving device configured to move the optical mixing element between a position of non-interference with the light beam emitted by the source assembly and at least one position of interference with the light beam emitted by the source assembly.

Abstract: A luminous fiber may include a flexible printed circuit board extending in a length direction of the fiber, at least one electrically conductive trace being formed on the flexible printed circuit board, at least one light emitting component being arranged on the flexible printed circuit board and being electrically connected to the trace, and a lateral strengthening structure for strengthening the luminous fiber in lateral direction perpendicular to the length direction. The lateral strengthening structure may include two frame bars, which are formed on the flexible printed circuit board and which extend in the length direction of the fiber. The lateral strengthening structure may include several lateral support elements, which are formed on the flexible printed circuit board between the frame bars and which are coupled to the frame bars.

Abstract: The presence of a stationary object is to be reliably recognized. Thereto, a presence detection device for detecting a presence of an object in its environment is provided, which comprises a movement detection unit for detecting an initial movement of the object in the environment of the presence detection device and for outputting a movement signal depending on the detection as well as a control unit for generating an activation signal depending on the movement signal. Moreover, the presence detection device comprises a camera, which can be activated by the activation signal, for obtaining a video signal of the environment of the presence detection device and an evaluation unit for generating a presence signal relating to the presence of the object by evaluating the video signal.

Abstract: A lighting system including a set of lighting devices for lighting an environment that may be controlled by a method. The method may include receiving, from one or more image sensors (e.g. a RGB-D camera—W), an image signal including a sequence of images of the environment under different conditions of illumination and light reflection. The method may further include processing the image signal to provide a light source identification signal representative of light sources affecting the environment, and controlling the lighting devices as a function of the light source identification signal, and, possibly, of human occupancy and activity.

Abstract: A lighting device and a lighting system, respectively, are to be able to be more comfortably monitored. Thereto, a lighting device with an illuminant, a transmitting device arranged in or at the illuminant for wirelessly transmitting a locating signal to a terminal external with respect to the lighting device is proposed. Moreover, the lighting device comprises a data processing device arranged in or at the illuminant for extracting illuminant data about the illuminant and for providing this data for the transmitting device. The transmitting device is formed to also transmit the illuminant data to the external terminal besides the locating signal.

Abstract: In various embodiments, a lighting system is provided. The lighting system includes at least two visual light communication units (VLC units), and at least one effect luminaire, at which one of the VLC units is provided. The further VLC unit is arrangeable at an object. At least one item of state information of at least one of the object or the effect luminaire is transferable between the VLC units by at least one light signal.

Abstract: A lighting device (2) mitigating motion sickness experienced by an occupant in a moving vehicle having at least one light source (90) and an operating unit (60, 70, 80, 120, 130) for recording data of a vehicle movement and/or a control signal that corresponds thereto, wherein the light source (90) outputs a light pattern on the basis of the recorded data and/or of the control signal, depending on a speed, an acceleration, a change in the acceleration and/or a change in direction of the vehicle in a respective axial component in the direction of travel as well as a transverse component orthogonal thereto.

Abstract: A lens for lighting installations including a lenticular body having a planar light input surface and a curved light output surface, with the lenticular body providing a light propagation path from the input surface to the output surface along a lens axis. The curvature values of the output surface includes peak values at the peripheral region and at least one valley value at the central region.

Abstract: A lighting device, e.g. for wallwashing lighting applications, includes a linear array of light radiation emitters including a light radiation source, e.g. a LED source, a light guide member having a first end coupled with the radiation source and a second end to emit light radiation guided by the guide member along a guide axis, as well as an optical system to receive light radiation from the light guide member and project outgoing light radiation from the lighting device. The light guide members of the light radiation emitters in the array are arranged with their second ends aligned in a longitudinal direction of the array, and with their light guide axes lying in a common plane angled to a reference plane. The optical systems of the light radiation emitters in the array produce outgoing light radiation beams having higher angles to said reference plane than the corresponding input beams.

Abstract: A lighting device, comprising a power setting unit for setting an electrical power of a light source electrically coupled to the power setting unit, a programmable control unit connected to the power setting unit for controlling the power setting unit, a light control interface unit connected to the control unit for supplying a control signal, and a housing made of an electrically insulating material, which provides a power connection for connecting to an electrical power supply network. The housing encloses at least the power setting unit and the control unit so that they are protected. The control signal is predefinable via the light control interface from outside the housing. The control unit provides a programming interface having at least two contact surfaces for electrically contacting the programming interface and an isolation unit for the programming interface and the housing has a passage opening in a housing wall for each contact.

Abstract: A method of manufacturing support elements for lighting devices includes: providing an elongated, electrically non-conductive substrate with opposed surfaces, with an electrically-conductive layer extending along one of said opposed surfaces, etching said electrically-conductive layer to provide a set of electrically-conductive tracks extending along the non-conductive substrate with at least one portion of the non-conductive substrate left free by the set of electrically-conductive tracks, forming a network of electrically-conductive lines coupleable with at least one light radiation source at said portion of said non-conductive substrate left free by the electrically-conductive tracks. Said forming operation includes selectively removing e.g. via laser etching a further electrically-conductive layer provided on said non-conductive substrate, or printing electrically-conductive material onto the non-conductive substrate.

Abstract: The individual configuration of beacons in lighting systems is to be simplified. Therefore, a lighting system with a lighting device and a beacon arranged in or at the lighting device is provided. The lighting system comprises a sensor device for acquiring an environmental parameter relating to an environment of the lighting system. Moreover, the beacon is formed to automatically configure itself based on the environmental parameter.

Abstract: In various embodiments, a lighting system is provided. The lighting system includes an optical unit having a plurality of light guides which are respectively provided for at least one light source and which respectively have an input coupling face. On the output side, the light guides are connected via a common connecting portion of the optical unit, the connecting portion having an output face, pointing away from the light guides, for the light emerging from the light guides. The lighting system further includes a holding frame for the optical unit, by means of which the optical unit is fastened to a printed circuit board, having the light sources, of the lighting system.

Abstract: A light detection and ranging system 100 for use with a vehicle 500. The system includes a transmitter 102 configured to transmit three transmission wavelengths nominally in a range from 800 nm to 1700 nm. A receiver is configured to receive three reflected signals 114, each of the three reflected signals 114 being a portion of an associated one of the three transmission wavelengths reflected to the receiver 104 from a roadway object 112. A controller 106 provides a categorization output in response to comparing reflectance values of the three reflected signals 114 to categorize the roadway object 112 into one of a plurality of pre-defined material-type categories. A method of controlling the travel of a vehicle based on a categorization output from a controller 106 is also provided.

Abstract: A lighting device for communication with a mobile terminal, comprising: a lighting means, and an electronic operating device for operating the lighting means, a data storage unit, in which a first key is stored in a memory area reserved therefor, an encryption unit configured to read out the first key from the reserved memory area and, in accordance with a specifiable encryption operation, to convert measurement value data and/or identification data intended for transfer to the mobile terminal into a message encrypted by means of the first key, and a transmitting unit configured to transmit the encrypted message to the mobile terminal.

Abstract: A connector for connecting mutually facing ends of elongate lighting devices is provided. The connector includes a connector body having opposed end regions coupleable to the facing ends of said lighting devices. The connector body includes a light emission region between the opposed end regions.

Abstract: An electronic half-bridge converter includes an input comprising two terminals for receiving a first power signal, and an output comprising two terminals for providing a second power signal. The converter includes a transformer and a half-bridge, wherein the half-bridge is interposed between input and primary winding of transformer. On the secondary side of transformer, the converter includes a rectifier circuit configured for converting the current provided via secondary winding into a rectified current, and a filter circuit configured for providing said second power signal by means of a filtering of the rectified current provided by rectifier circuit. The filter circuit includes: a first branch connected between both input terminals of the filter circuit and comprising a first inductor and a first capacitor connected in series, and a second branch connected in parallel with the first branch and comprising a second inductor and the output connected in series.

Abstract: A method for evaluating positioning parameters in a defined area, wherein the defined area is affected by at least three stationary access beam points and over which a grid pattern is laid with at least two grids, each grid having an anchor. An initial vector of positioning parameters is assigned to each anchor and a plurality of RSSI measurements are captured within the defined area by receiving signals from the at least three stationary access beam points. The plurality of RSSI measurement are clustered in a plurality of subsets, wherein the number of subsets corresponds to the number of the at least two grids. Finally, each subset of the plurality of subsets is associated with a respective one of the at least two grids and the initial vector is updated based on the subset of the plurality of subsets associated with the respective one of the at least two grids.

Abstract: Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.