Abstract: A lighting device for vehicles with a plurality of light sources arranged like a matrix in a light generation level, with one light forming optic unit being arranged in the primary direction of emission in front of the light source, and with a pre-optic unit arranged between the light forming optic unit and the light sources, comprising a plurality of pre-optic elements, characterized in that the pre-optic elements are embodied as planar band elements provided with reflective flat sides and that the plurality of pre-optic elements form a band grid with a plurality of recesses, each allocated to the light sources.

Abstract: A lighting device for vehicles with multiple light sources arranged like a matrix in one light generation level, with a light forming optic unit arranged in front of the light sources, and with another optic unit arranged between the light forming optic unit and the light sources, comprising a plurality of optic elements that are arranged like a matrix and one optic element each being allocated at a face thereof to a light source and with the other optic unit in front of the optic elements being allocated to the light sources to coupling areas and at least one decoupling area facing the light forming optic unit, with the other optic unit being embodied as a widening optic unit for widening the partial light bundles emitted by the light sources with light guiding rods as optic elements.

Abstract: The invention relates to a direct current converter with Cuk-circuit and a measuring resistor for load current detection, wherein the Cuk-circuit has a switching diode, and wherein the measuring resistor is arranged in series to the switching diode.

Abstract: The invention relates to a lighting device for vehicles, particularly for tractors and trailers, with a housing to which light sources of differing light generating types can be exchangeably fastened in an installed state, wherein the light sources of differing light generating types are assigned at least one optic element for the formation of a light module, which is detachably connectable to a carrier frame of the housing, and which generated a defined light function, and wherein a single lens is placed in front of the light modules of differing light generating types in the installed state and the carrier frame.

Abstract: The invention relates to a projection headlight arrangement for vehicles with a left projection headlight and a right projection headlight, each comprising: a reflector exhibiting two focal points, a light source arranged in a first focal point of the reflector, a lens upstream of the reflector in the direction of light emission whose focus is arranged in the proximity of the second focal point and a diaphragm shaft arranged between the lens and the reflector, which is displaceable in several rotary positions by means of a control unit around a horizontal rotary axis running transversely to the optical axis, wherein the rotary positions each have a diaphragm edge of the diaphragm shaft assigned for the creation of a light-dark boundary for a specified light distribution, wherein a sensor unit is provided for the detection of a traffic participant located in the far-field of the vehicle, the control unit distorts the diaphragm shaft in such a way in dependence on a sensor signal of the sensor unit that such a

Abstract: A control device for a first motor vehicle, and for dimming lights for vehicles ahead and/or oncoming vehicles during turning maneuvers includes a first interface with a recognition device, for the purpose of recognizing vehicles ahead and/or oncoming vehicles, a second interface with headlights, wherein the control device selects different light distributions of the headlights, and generates an adjusting signal the second interface, for adjusting the selected light distribution, at the headlights to dim the headlights if a signal is present at the first interface, indicating at least one vehicle ahead or oncoming. The control device has a third interface for indicating the start of the recognition of a turning maneuver of a vehicle ahead, wherein the dimmed light distribution of the headlights remains set for a predetermined distance or a predetermined time if the signal is present.

Abstract: A first operator control function is activated if it is detected by means of a first sensor that a first physical variable is higher than a predetermined first threshold value. In a similar way, a second operator control function is activated if it is detected by means of a second sensor that a second physical variable is higher than a predetermined second threshold value. A third operator control function is activated if it is detected by means of the first sensor that the first physical variable is higher than a predetermined third threshold value and if at the same time it is detected by means of the second sensor that the second physical variable is higher than a predetermined fourth threshold value, the third threshold value being higher than the first threshold value.

Abstract: The invention relates to a vane cell pump (1) comprising an electrical drive unit with an electric motor and a motor shaft (6), a pump chamber (2) that connects to the electrical drive unit and has a pump ring (3), and also a rotor (4) that is arranged concentric to the motor shaft (6) within the pump chamber (2) and is in active connection with the motor shaft (6), wherein the rotor (4) has a number of guide slots (40) that extend inward from the outer circumference of the rotor and in each of which a vane (5) is arranged in a moveable manner with two vane ends (50, 51) opposite each other. The vane ends (50, 51) of each vane (5) have a mirror-symmetric design relative to the transverse center plane of the vane.

Abstract: The invention relates to a vane pump, comprising an electric drive unit having an electric motor and a motor shaft, a pump chamber, attached on the electric drive unit, a rotor having a plurality of blades, said rotor being arranged concentrically to the motor shaft within the pump chamber, wherein the motor shaft is engaged with the rotor by way of a tappet which is connected torsionally rigid with the motor shaft and the tappet comprises at least one tappet peg, which is engaged in a rotor recess that corresponds to the tappet peg, wherein the at least one rotor recess has an oval shape and the tappet peg is contoured in such a way that two first slightly curved contoured sections each form one contact area with one oblong planar section each of the rotor recess.

Abstract: The invention relates to a vane cell pump comprising an electrical pump unit that has a pump chamber into and out of which a fluid can flow and also a rotor with a number of vanes to compress the fluid before flowing out from the pump chamber. The vane cell pump also comprises a sound-damping mechanism into which the fluid can flow after flowing through the pump chamber and that has a sound-damping cover attached to a part of the pump chamber and defining a sound-damping volume. A preliminary sound-damping mechanism with at least one preliminary sound-damping outlet from which the fluid can flow may be arranged within the sound-damping volume, wherein the preliminary sound-damping outlet has a cross-sectional profile tapering in the direction of fluid outflow.

Abstract: The invention concerns a headlamp for vehicles with a housing, which provides a light module containing a light source, a reflector assigned to the light source, a lens located in front of the reflector and a shutter located between the lens and the reflector whereas in an area above the shutter a diffuser lens element for scattering a light beam emitted directly by the light source shall be located.

Abstract: The invention relates to a method and device for determining object property of an object with the aid of images that have been recorded with the aid of a camera. Further, the invention relates to a method for determining a calibration parameter for a stereo camera. For determining the object property of an object, the object is defined in a first image recorded with the aid of the camera. Further, the brightness of a defined object is determined. Each time after a preset time interval, a further image is recorded with the aid of the camera. The object is defined in each of the further images and each time, the brightness of the defined object of each image is determined. Dependent on the brightness curve, an object property is assigned to the object.

Abstract: A projection headlamp arrangement for vehicles with each headlamp containing a reflector with two focal points, a light source in a first focal point, a lens in front of the reflector with a focal point near the second focal point, and a shutter shaft between the lens and the reflector and adjustable into several positions about a rotational axis each of which has a shutter edge of the shutter shaft for creating a cutoff line an image capture unit detects objects in front of the vehicle, an image processing unit processes image data from the image capture unit, a marker light function sector of the shutter shaft has a shutter edge with an opening wherein the adjustment unit rotates the shutter shaft and/or pivots one or both of the headlamps about a vertical axis, so the object to be marked is illuminated by means of light passing through the opening.

Abstract: In a holding device for a sensor, in particular for a rain/light sensor, for mounting on the inner side of a window pane, such as a vehicle pane or suchlike, with at least one holder able to be fastened on the window pane, which holder has a mount for the sensor, and with at least one spring component for fixing the sensor in the mount of the holder, the spring component has detent means for at least a partially detachable connection to the holder. The spring component comprises a spring section with a snap function, which is constructed such that the spring section is in one of two stable spring positions, wherein in one spring position a spring force acts on the sensor.

Abstract: An illuminating device for vehicles, in particular a tail light, with a housing containing at least one light source, a support accommodating the light source, and a reflector, and with a diffusion lens for covering an opening of the housing. The reflector, which is provided with an electrically conductive coating, is assigned charge dissipation path in such a manner that, when electrostatic charging of the reflector occurs, a dissipation current flows along the dissipation path to a connection to earth of the illuminating device.

Abstract: The invention relates to a thermal-expansion compensator for holding a light module in a housing of a headlamp for a motor vehicle, comprising a compensation pin extending along a pin axis with a stop element, wherein the compensation pin can be connected to the housing by means of a connecting means, a compensation element with a compensation body extending along a compensation axis and at least two stop receptacles that are each formed for holding the stop element of the compensation pin, and a holder that is arranged rigidly on the light module.

Abstract: The present invention relates to a method to supply power to an LED array, comprising at least two LED branches connected in parallel, in each of which at least one LED is arranged. The LED array is supplied with predetermined power from a current source connected in series, wherein currents are measured in the LED branches, wherein the measured currents are compared in control electronics, and wherein the currents are controlled in a part of the LED branches such that they have a defined ratio with respect to one another in the LED branches. The method is intended to be improved such that it can be carried out economically and with simple means. This is achieved in that one of the LED branches is selected to be the master whose current is utilized as the target specification for the remaining LED branches. The invention further relates to a circuit arrangement for implementing the method according to the invention as well as a lighting unit with such type of circuit arrangement.

Abstract: The present invention relates to an antenna device (10) for executing several functions, particularly a transmitting function, a receiving function, and an energy transmitting function, comprising a rod core (20) made from a material that can be magnetized, extending along a rod core axis (22) and at least one rod core winding (24) about the rod core axis (22), a charged core (30) from a material that can be magnetized, extending along a charged core axis (32), and at least one charged core winding (34) about the charged core axis (32), with the charged core axis (32) and the rod core axis (22) being arranged angular in reference to each other.