Abstract: A system and a method may be used for operating and/or calibrating a transmitter device. The system and method may include wirelessly transmitting a radio signal with identification data specific to the transmitter device and reference data. The transmitter device may transmit the radio signal with signal properties at least partially dependent on the reference data. A communication device may receive the radio signal and ascertain a distance between the transmitter device and the communication device using reception-side signal properties and the reference data ascertained from the received radio signal. A distance sensor may detect a distance between the transmitter device and the communication device. An evaluation unit may ascertain the reference data depending on the reception-side signal properties of the radio signal and the detected distance and to provide the ascertained reference data in the transmitter device for calibrating the transmitting device.

Abstract: An LED arrangement includes two current connection regions arranged on a substrate, a plurality of LED groups including LEDs, each having first and second LED contact regions. The LED arrangement includes a plurality of electrically conductive coating regions spatially separated from one another on the substrate and each subdivided into contact and transition regions, wherein the second current connection region constitutes one of the transition regions, each LED group is arranged on exactly one assigned coating region, one of the current connection regions electrically conductively connects to a second LED contact region of one of the LEDs arranged at the edge region, and, apart from the other current connection region, a relevant transition region electrically conductively connects to a second LED contact region of one of the LEDs of an adjacent LED group arranged at the edge region such that the plurality of LED groups are connected in series.

Abstract: A cover member for an in-store greenhouse is disclosed, with which radiation exiting the in-store greenhouse can be influenced or modified, so that outgoing total radiation has a white color on the Planck curve.

Abstract: A circuit arrangement for an LED luminaire comprises a plurality of LED strings, an anode terminal line, a cathode terminal line, a plurality of first switching elements, connected in series into the anode terminal line and subdivided into individual line sections, and a plurality of second switching elements, connected in series into the cathode terminal line and subdivided into individual line sections. Each of the LED strings may be connected to the anode terminal line via a first switching element and/or the second switching elements. Each of the first switching elements may be configured to feed an operating current to an LED string, to electrically connect line sections if the current flowing through the LED string exceeds a predetermined value, and to electrically isolate line sections if the current flowing through the LED string falls below a predetermined value.

Abstract: A method for determining a distance (d) and a reflectivity of an object surface (14) using a laser source (10) that emits light (12) at a certain power and using a detector (16) that detects a level of irradiance of light (18) reflected by or scattered back from the object surface (14) and that outputs a time-dependent voltage signal on the basis thereof comprises: setting (100, 110, 220, 230, 240) the laser source (10) so that the latter emits light (12) at a specified first value of power in at least one pulse, setting (100, 110) the detector (16) so that the latter emits outputs a first voltage signal with a specified second value for a gain factor on the basis of a level of irradiance of the detected reflected or back-scattered light (18), determining (120, 260) a first value for the distance of the object surface (14) from a measured light time-of-flight (ToF) assigned to the first voltage signal, adapting (130, 150 220) the first value of the power of the laser source (10) and/or the second value of the

Abstract: In an embodiment a passive matrix LED display module includes n>1 first electrical lines connected to a respective first switch, m>1 second electrical lines connected to a respective second switch and at least m·n LED light sources, wherein each of the LED light sources is connected on an anode side to a first line and on a cathode side to a second line, wherein each of the first switches is a push-pull switch having a first terminal for connection to an LED supply voltage, a second terminal for connection to an adjustable discharge potential, a third terminal for receiving a switching signal and a fourth terminal for connection to an associated first line, wherein each of the second switches in a switched state is configured to allow current to flow to a reference potential, and wherein the second terminals of the push-pull switches are connected in common to an output voltage terminal of an adjustable voltage source.

Abstract: Systems and methods disclosed herein includes a distance-measuring unit for measuring a distance to an object located in a detection field based on a time-of-flight signal. The distance-measuring unit includes an emitter unit for emitting laser pulses, an optical unit coupling the emitter unit to the detection field, the optical unit configured to guide the laser pulses into the detection field during operation, and a receiver unit having a sensitive sensor surface for receiving laser pulses reflected at the object as echo pulses, wherein the receiver unit is coupled to the detection field by means of the optical unit such that the echo pulses received from the detection field are guided through the optical unit onto the sensor surface during operation.

Abstract: Systems and methods disclosed herein include distance-measuring unit for measuring a detection field based on a time-of-flight signal. The distance-measuring unit includes an emitter unit for emitting laser pulses, an optical unit for guiding the laser pulses into different solid angle segments, a sensor unit for receiving echo pulses from the solid angle segments, and a logic assembly configured to read the sensor unit, wherein at least the emitter unit, the optical unit, and the sensor unit are arranged on a common substrate.

Abstract: A lighting device that illuminates textiles by optical waveguides includes a body that receives the optical waveguide; a clamping device for the received optical waveguide; and a lighting module, wherein the lighting module is arranged within the body to enable light emitted by the lighting module during operation to be coupled into the optical waveguide, and the clamping device is adapted to repeatedly clamp and release the optical waveguide.

Abstract: An image signal indicative of the head pose of a person in a scene, as provided by a camera may be processed by estimating, as a function of the image signal received by the image sensor, the head pose of the person. A view frustum of the person may be generated from the estimated head pose. A visual frustum of attention or VFOA of the person may be generated from the view frustum. From the visual frustum, a predicted movement trajectory of the person or an estimated scene attention map as a function of the visual frustum of attention, preferably by identifying in the attention map at least one object to be controlled may be generated.

Abstract: A lighting apparatus, for example for applications in the show-business or entertainment sector, including: a light-radiation generator, for example a laser generator, configured for projecting a lighting beam towards a lighting space in a certain direction; control circuitry of the light-radiation generator configured for controlling emission of the lighting beam by the light-radiation generator; and processing circuitry configured for calculating a thermal retinal radiance ratio of the light-radiation generator as a function of a distance from the light-radiation generator in the aforesaid direction and for acting on the control circuitry of the light-radiation generator in order to control the lighting beam of the light-radiation generator as a function of the thermal retinal radiance ratio, with the aim of maintaining the aforesaid thermal retinal radiance ratio below unity starting from a certain value of distance from the light-radiation generator in the aforesaid direction.

Abstract: The invention relates to an electrode for a discharge lamp, wherein the electrode has a base body having an electrode plateau providing an end face of the electrode, wherein the base body is delimited by the electrode plateau in a longitudinal extension direction of the electrode. Furthermore, the electrode has a coating, arranged in at least a first region of the base body that is different from the electrode plateau, to increase an emission of heat. In addition, the electrode has an at least partially contiguous free region of the base body extending at least partly in the longitudinal extension direction as far as the electrode plateau, in which the coating for increasing the emission of heat is not arranged, and wherein the first region adjoins at least one section of the free region in the circumferential direction of the electrode.

Abstract: A system for monitoring the irradiation of an object with light from a luminaire includes the luminaire having one or more light sources, which emit light having a spatial radiation pattern; a computing unit, connected to the luminaire and set up to acquire information about an illuminance of the light of the light sources; a first memory, connected to the computing unit and in which information about spatial positioning of the luminaire relative to a surface of the object is stored; and a second memory, connected to the computing unit and in which information about the spatial radiation pattern of the light sources is stored. The computing unit may calculate and output a local intensity of light incident at the respective position on the basis of illuminance information, the spatial radiation pattern of the light sources, and the spatial positioning of the luminaire relative to the surface of the object.

Abstract: A system may be used for wirelessly transmitting data between a communication terminal positioned in a prescribed area and a remote communication station connected to a communication network. The system may include a lighting arrangement having a lighting device arranged in the prescribed region and at least one transmission device arranged in or directly on the lighting device. The transmission device may be configured to establish a first wireless optical communication connection to the remote communication stations and a second wireless communication to the communication terminal to transmit the data.

Abstract: A system for lighting a space for growing vegetables, e.g. a greenhouse, wherein the system includes a first set of lighting sources for lighting the vegetables in a first, vertical direction, a second set of lighting sources for lighting the vegetables in at least one second direction, different from the vertical direction, e.g. in a horizontal and/or oblique direction.

Abstract: A system may involve transmitting data via a light-based data link. The aim of the invention is to establish a data connection which is as simple and efficient as possible. In order to achieve this, the system comprises various components which deflect the light containing the data and distribute it in a targeted manner. The invention also relates to various fields of application for the system, such as mechanical joints and robot joints, rail systems and luminaires.

Abstract: A light fixture may include a light source assembly configured to generate visible light radiation of different colours, an optical device configured to process at least a portion of the light radiation emitted by the light sources so as to form a light beam extending substantially along an optical axis, and at least one beam processing element located downstream of the optical device and configured to selectively intercept the light beam. The beam processing element may include at least one portion movable between several positions. The light fixture may include a control device configured to control the light source assembly either on the basis of the position of a movable portion of the beam processing element or on the basis of a parameter correlated to the position of the movable portion of the beam processing element.

Abstract: Color tunable lighting systems and methods are disclosed. The color tunable lighting systems and methods include user interfaces that allow for the control of color temperature and luminous intensity by a user. The systems and methods provide for flexibility and scalability, where a control module for controlling one or more solid state light source arrays can be programmed during installation for use with specific solid state light source arrays.