Abstract: A lighting system has at least one luminaire having a connection portion, and has a fastening device, with a housing; an electrical contact-making connection, which can be detachably inserted into a supply connection of the luminaire, which supply connection is formed in the connection portion; at least one retaining pin, which has a securing portion, wherein the retaining pin, in a fitted state of the fastening device, extends through a slot formed in the connection portion of the luminaire, and the securing portion of the retaining pin is engaged behind a region of the connection portion that defines the slot; and a fastening portion for fastening a retaining cord and/or for connecting the terminals of an electrical supply cable.

Abstract: A lamp is disclosed, which has a lamp housing, having an end wall and a side wall, a lighting means device arranged in a housing interior having a lighting means carrier and at least one lighting means arranged thereon, an insulation component formed from an electrically insulating material having a main portion and an edging portion, wherein the main portion is arranged between the end wall and the lighting means device and wherein the edging portion extends from the main portion in such a way that the edging portion is arranged between the lighting means device and the side wall of the lamp housing.

Abstract: A training device for monitoring a physical exercise is formed having a volume element, a sensor apparatus which is designed to detect a mechanical force and/or a pressure which a user exerts on the volume element while performing the physical exercise, and to generate a measurement signal on the basis of the detected force and/or the detected pressure, and an evaluation apparatus which is designed to compare the measurement signal generated by the sensor apparatus with a value range and/or a target value and to automatically generate an output signal on the basis of the result of the comparison.

Abstract: A luminaire for installing in a grid ceiling includes at least one catch which is arranged in such a way on the luminaire and designed such that the at least one catch snaps into place automatically behind a portion of an element of the grid ceiling and thus engages behind the portion of the element of the grid ceiling in order to hold the luminaire on the grid ceiling. In addition, an assembly for a grid ceiling includes at least one ceiling profile element and at least one such luminaire.

Abstract: A lighting arrangement has a housing having an interior and a light outlet region, and at least one light-providing device. The light-providing device is configured such that it can be arranged within the interior to emit light during operation through the light outlet region to the outside. The light-providing device can be coupled to the housing and can be freely positioned at least within one region of the interior. A second lighting arrangement has a housing having an interior and a light outlet region, the housing having an opening, which is set up to guide at least one line through the opening out of the interior. The second lighting arrangement has at least one brush, which is provided with hairs or fibres or bristles, which are arranged in the opening and/or cover the opening at least in portions.

Abstract: A control circuit for a voltage converter has a switch which has a multiplicity of parallel-connected current-conducting branches with resistors with different resistance values, and a contact maker. The contact maker is configured to connect selectively in each case one of the multiplicity of parallel-connected current-conducting branches to an input contact of the switch. The control circuit also includes a detector circuit which is configured to determine a voltage drop across the resistors and to output, as a function of the determined voltage drop, an actuation signal for setting a setpoint output current of the voltage converter to the voltage converter.

Abstract: An interior light, in particular for shelf or display case illumination, includes an adjustment unit, which has a lens; a main body, which has a cylindrical recess inside which a lighting means is arranged; at least one guide which is provided on the recess and extends parallel to a cylinder axis of the recess; and latch means which are arranged in the region of the recess and have a plurality of latching stages, the adjustment unit having mating latch means which can latch to the latch means and guide means for guiding the adjustment unit in the guide; the guide means being arranged in each case at different positions within the guide when the mating latch means latch to the different latching stages, and a different distance being set between the lighting means and the lens in each case.

Abstract: A training device for monitoring a physical exercise is formed having a volume element, a sensor apparatus which is designed to detect a mechanical force and/or a pressure which a user exerts on the volume element while performing the physical exercise, and to generate a measurement signal on the basis of the detected force and/or the detected pressure, and an evaluation apparatus which is designed to compare the measurement signal generated by the sensor apparatus with a value range and/or a target value and to automatically generate an output signal on the basis of the result of the comparison.

Abstract: A luminaire for installing in a grid ceiling includes at least one catch which is arranged in such a way on the luminaire and designed such that the at least one catch snaps into place automatically behind a portion of an element of the grid ceiling and thus engages behind the portion of the element of the grid ceiling in order to hold the luminaire on the grid ceiling. In addition, an assembly for a grid ceiling includes at least one ceiling profile element and at least one such luminaire.

Abstract: The invention relates to a planar strip light for installation in a plasterboard construction, wherein the strip light comprises an optical unit which has a reflector and an LED panel, wherein the light-emitting side of the LED panel is arranged at the edge of the reflector and substantially perpendicular to the reflector in order to reduce the installation depth of the strip light, and wherein the strip light comprises fasteners for its direct fastening to the plasterboard construction.

Abstract: A luminaire includes at least one main illuminant and at least one auxiliary illuminant. The main illuminant is provided for a continuous operation. The auxiliary illuminant is controlled by a motion sensor, which activates it when movement is detected. Preferably, the motion sensor is embedded in the luminaire. Furthermore, it is preferred that the at least one auxiliary illuminant is designed as a LED-luminaire.

Abstract: A luminaire profile comprises a hollow basic profile and an illuminant profile insertable in said basic profile via a snap-in connection. Concave supports are formed on opposite insides of the basic profile and convex supports are formed on the illuminant profile which correspond to the concave supports of the basic profile, with the concave supports and/or the convex supports—viewed in the cross-sectional direction—following a radius (R).

Abstract: A luminaire includes at least one main illuminant and at least one auxiliary illuminant. The main illuminant is provided for a continuous operation. The auxiliary illuminant is controlled by a motion sensor, which activates it when movement is detected. Preferably, the motion sensor is embedded in the luminaire. Furthermore, it is preferred that the at least one auxiliary illuminant is designed as a LED-luminaire.

Abstract: Described is a coupling for conductor rails. The coupling (1) comprises a middle unit (2) which in turn has two pivoting parts (13, 14) pivotable relative to each other, one holding means (3, 4) for a conductor rail (5) being provided on each of these pivoting parts (13, 14). The holding means (3, 4) are provided with electrical connecting conductors (15) which serve for a connection with the conductor rails (5) to be applied to these holding means (3, 4). The individual connecting conductors (15) of the holding means (3, 4) have the form of electrically conductive rods which extend from the holding means (3, 4) into the interior of the pivoting parts of the middle unit (2), one connecting conductor of one holding means (3) each slidingly abutting on a connecting conductor of the other holding means (4). Preferably, the connecting conductors have a ring at each one of their inner ends, one ring of a connecting conductor each slidingly abutting on a ring of another connecting conductor.

Abstract: Disclosed are a fitting, a conductor rail and a conductor rail coupling device for supplying current to lighting fixtures via conductors insulatedly arranged in the conductor rail; the fitting comprises a housing formed of a first and a second housing part which are articulately interconnected and are capable of being mounted on the conductor rail, the two housing parts being adapted to be releasably closed about the conductor rail when the housing is mounted on the conductor rail, and electrical contact elements adapted to contact the conductors through openings of the conductor rail when the housing is mounted on the conductor rail, the electrical contact elements being arranged on only the first one of the housing parts, on one side of the conductor rail; in corresponding manner, the conductor rail of oval cross-section has longitudinal grooves on only one longitudinal side in which the conductors are inserted by aid of slit insulating sections and held therein; on the opposite side, a profiled groove is p

Abstract: A carrying device for a conductor rail for supplying electrical power to lighting fixtures comprises an insulating bow-shaped retainer having resilient arms with inner latching projections for latching engagement with the conductor rail, and further having end-side latching projections, a carrying element capable of being fastened to the retainer, and a safety cover capable of being snapped onto the end-side latching projections on the resilient retainer arms; disclosed are also a conductor rail comprising two metal sections which serve as conductors and are interconnected via an insulation means; and a conductor rail coupling device.

Abstract: Current Supply Device for Low Voltage Equipment There is disclosed a current supply device for low voltage equipment, in particular for supplying lighting fixtures, provided with at least one conductor rail (1; 1'; 1"; 1'") in the form of a section (2; 2'; 2"; 2'") having at least one longitudinal slot (3, 3'a, 3'b; 3"a, 3"b; 3'") in which at least one current conductor (6; 6'; 6"; 6'a, 6'b; 6"a, 6"b; 6'"a, 6'"b) is arranged which is capable of being contacted with a current collector (10; 10', 10"; 10'") that has a thread serving as a mechanical holding element and which is capable of being screwed into the longitudinal slot; preferably, the current conductor is arranged at the bottom portion (4, 4'a, 4'b) of the longitudinal slot (3; 3'a, 3'b) and is insulated on all sides by soft synthetic material or soft rubber, and the current collector (10) has a contact at its front side designed as a spike (14) which penetrates the insulation of the current conductor when the thread is screwed in.