Abstract: A method for operating a discharge lamp by modulating a current signal is presented. The discharge lamp is operated with at least two different frequencies. At first a probability distribution function for a first number of first frequency periods and a second number of second frequency periods is defined. Next, the first number of first frequency periods and the second number of second frequency periods are determined depending on the probability distribution function by at least one random number. The current signal is modulated by applying the first number of first frequency periods and the second number of second frequency periods to the current signal for operating the discharge lamp.

Abstract: Embodiments provide a light detection system including a detector configured to provide a received light signal and a processing circuit configured to provide a plurality of branched signals, each being representative of the received light signal and each being time delayed to one another and with respect to a non-delayed branched signal, wherein a delay period between the plurality of branched signals is smaller than a duration of the received light signal, and wherein the delay period between the plurality of branched signals is chosen such that peaks of the branched signals overlap in time and to sum up the plurality of branched signals including the non-delayed branched signal with one another to provide a combined signal, wherein the plurality of branched signals differ from one another in such a way that, as a result of a summation, respective signal components of the plurality of branched signals combine in a constructive manner and respective noise components of the plurality of branched signals combi

Abstract: The present disclosure relates to various embodiments of an optical package for a LIDAR sensor system having a substrate including an array of a plurality of capacitors formed in the substrate, a plurality of switches formed in the substrate, where each switch is connected between at least one laser diode and at least one capacitor of the plurality of capacitors; and at least one laser diode being mounted in close proximity to the plurality of capacitors on the substrate in order to provide small parasitic inductances and capacitances. A processor is configured to control the plurality of switches to control a first current flow to charge the plurality of capacitors, wherein the processor is configured to control the plurality of switches to control a second current flow to drive the at least one laser diode with current discharged from at least one capacitor of the plurality of capacitors.

Abstract: The invention relates to a device for sterilising a fluid flowing therethrough, said device comprising: a container having an inlet for receiving the fluid and having an outlet for discharging the fluid from the container; a body having a surface which is at least in part curved, the body being positioned within the container in such a way that the fluid flowing into the container via the inlet washes over or around at least part of said body at least in the region of its surface that is curved. The device also comprises a plurality of LEDs which are each designed to emit light having wavelengths in the range of UV radiation, preferably UV-C radiation. The LEDs are designed to irradiate the fluid washing over or around the curved surface of the body with the UV radiation of the LEDs.

Abstract: In an embodiment a light emitting device includes a light source, a switching element having an input capacitance associated therewith, the switching element being configured to control a current flow to the light source in accordance with a charging of the input capacitance, a voltage control element coupled with the switching element and having a voltage supply node, the voltage control element having a second capacitance associated therewith, wherein the voltage control element and an input of the switching element are coupled to one another such that the voltage control element and the input of the switching element form a capacitive voltage divider and a driving element configured to provide a driving voltage at the voltage supply node, the driving voltage being greater than a maximum allowable input voltage of the switching element, wherein a relationship between the input capacitance and the second capacitance is in accordance with a relationship between the driving voltage and the maximum allowable in

Abstract: An apparatus for sterilizing a liquid comprises a container having an inlet, an outlet and an interior with an outer wall, and a light source adapted to emit radiation in the ultraviolet wavelength range through the outer wall into the interior, the outer wall being partially transparent. The inlet comprises an opening, positioned in relation to the outer wall of the interior and the light source in order, when a pressure is exerted on the liquid to be admitted through the opening and to be sterilized, to form a liquid jet directed onto the outer wall in a region of the light source, above the latter, and/or to form a liquid film there. The liquid jet impinging on the outer wall may flow down thereon as a thin liquid film in front of the light source and thereby effectively sterilized even with a low penetration depth of the UV radiation.

Abstract: A method for machine-based training of a computer-implemented network for common detecting, tracking, and classifying of at least one object in a video image sequence having a plurality of successive individual images. A combined error may be determined during the training, which error results from the errors of the determining of the class identification vector, determining of the at least one identification vector, the determining of the specific bounding box regression, and the determining of the inter-frame regression.

Abstract: A lamellar arrangement for shielding radiation acting on a fluid which flows through an interior of a device, comprises two or more lamellae aligned substantially parallel to one another and respectively defining an intermediate space between them, wherein at least one subset of the lamellae is respectively subdivided into at least three lamella sections comprising a first lamella section, a second lamella section next to the first lamella section and a third lamella section next to the second lamella section. The first lamella section and the second lamella section in this case enclose a first angle between them, and the second lamella section and the third lamella section enclose a second angle between them. The first angle has a magnitude in a range of from 20° to 45° and the second angle has a magnitude in a range of from 20° to 45°.

Abstract: In an embodiment an electronic load for installation in a power supply of a vehicle lamp includes a first connection node connected to two first connection sections adapted to be connected between respective corresponding connection sections of a first line carrying a voltage potential, a second connection node connected to two second connection sections adapted to be connected between respective corresponding connection sections of a second line carrying a reference potential, wherein a difference between the voltage potential and the reference potential comprises a supply voltage configured to be supplied to the vehicle lamp and a current sink circuit coupled between the first and second connection nodes, the current sink circuit configured to cause a substantially constant current flow independently of a time-varying supply voltage from at least one of the first connection sections to at least one of the second connection sections.

Abstract: In an embodiment a lamp includes a lamp body extending in a first direction along a longitudinal axis between a proximal base portion and a light-reflective distal front surface, the distal front surface extending transverse to the longitudinal axis and having an outer edge and a linear array of a plurality of solid-state light sources arranged distally of the distal front surface of the lamp body, the linear array of solid-state light sources extending in a second direction transverse to the longitudinal axis and having a length in the second direction longer than a width across the second direction, wherein the light-reflective distal front surface tapers from the outer edge towards the linear array of solid-state light sources and comprises two opposed surface portions each extending from the outer edge to a linear inner edge line.

Abstract: An optical arrangement for disinfection in apparatuses operating with air or a liquid comprises at least one radiation source or at least one group of radiation sources, which emits or jointly emit radiation in the ultraviolet wavelength range, at least one beam collecting optical unit, which collects the radiation emitted by the radiation source or the group of radiation sources, a number of beam delivering optical units, each configured to receive the radiation collected by the at least one beam collecting optical unit, and also a number of effect zones spatially separated from one another, into which the radiation delivered via the beam delivering optical units is emitted in order to bring about a disinfecting effect.

Abstract: Disclosed herein is a cooling device, comprising a cooling plate and a cooling cap, for cooling a heat source, mounted to an outer interface surface of the cooling plate, by means of a cooling fluid. Several spiral-shaped fins are integrated into the cooling plate to form a structure in the shape of a multi-spiral. The fins are arranged next to each other in a mutual distance to form spiral-shaped flow channels for a cooling fluid. An inlet for inflowing the cooling fluid at the center of the multi-spiral fins structure is integrated into the cooling cap. The cooling cap is configured and arranged on the cooling plate so that the inlet is positioned above the center of the multi-spiral fins structure.

Abstract: The invention relates to a device for irradiating a liquid with electromagnetic radiation, in particular for sterilizing an in particular flowing liquid by means of UV radiation (UV reactor), comprising a container having an inlet for receiving the liquid and having an outlet for releasing the liquid from the container, wherein within the container a variable or adjustable irradiation zone is provided for irradiating the liquid with electromagnetic radiation, in particular UV radiation, emitted by a radiation source. In the irradiation zone the liquid is configured in the form of a liquid layer having the layer thickness which extends between the underside of the container and a gas bubble expanding above the liquid layer.

Abstract: In an embodiment a lamp includes a light source having a light source circuit board and a light emitting element arranged on the light source circuit board, a driver configured to drive the light source and having a driving circuit board and a driving electronic element arranged on the driving circuit board, a connector connectable to a power source, wherein the driver is connected to the connector such as to be spatially separated from the light source and a heat sink inside which the light source and the connector are fixedly attached in such a manner that the light source and the driver are radially surrounded by the heat sink, wherein the connector includes a supporting column configured to support the driving circuit board and a retainer configured to hold the driving circuit board.

Abstract: In an embodiment an optical element for a lamp includes a line optic having a symmetrical groove structure formed from waves, wherein the groove structure varies continuously starting from a center of symmetry in at least one propagation direction of the groove structure.

Abstract: In an embodiment, an automotive solid-state lamp includes a lamp body extending along a longitudinal reference axis between a proximal base portion and a distal front portion, wherein the lamp body includes a support member having first and second opposed sides, and wherein each one of the opposed sides of the support member has arranged thereon a first array of solid-state light sources having a shield optically coupled therewith and configured to provide, when energized, an automotive low-beam, a second array of solid-state light sources located between the base portion and the first array of solid-state light sources, the second array of solid-state light sources spaced from the first array of solid-state light sources and configured to provide, when energized, an automotive high-beam, wherein the second array of solid-state light sources includes a first single row of solid-state light sources extending longitudinally of the lamp body and a second single row of solid-state light sources.

Abstract: In an embodiment a reflector optical system includes a reflector body having a rotational symmetry about a longitudinal axis and including a first reflector optic portion having a substantially concave shape and a second reflector optic portion extending along the longitudinal axis, the first reflector optic portion facing the second reflector optic portion, wherein the first reflector optic portion includes a plurality of first reflective surfaces and the second reflector optic portion includes a plurality of second reflective surfaces in spaced light-receiving relation to the plurality of first reflective surfaces.

Abstract: An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic p

Abstract: A method for operating clocked and regulated electronic power converters may be contained in operating devices for light-emitting diodes. An associated regulating circuit may include at least one regulating amplifier having at least two regulating inputs, from the output of which a negative feedback network runs to one of its regulating inputs, a first input for the signal for a target value of the average of the output power to be regulated, and a second input which forwards a signal for the target value of a waveform or of a pulse pattern for the output power to be regulated to one of the regulating inputs via a DC current-blocking high-pass filter.

Abstract: A tracking system for tracking objects within a field of view is disclosed. The field of view may include a first zone and an adjacent zone of interest where at least two gates are associated with respective sides of the first zone within the field of view. The first camera is configured to detect when an object crosses one of the at least two gates and track the object throughout the first zone and the zone of interest. The tracking system is configured to generate a first event message in response to the object being tracked from one of the gates into the zone of interest and subsequently leaving the first zone through a dedicated gate of the at least two gates.