Abstract: The invention relates to an operating device for operating at least one lighting means comprising a grid input stage and at least one output stage connected to the grid input stage with output connections for connection to the lighting means, a control device for controlling the output stage or operation of the at least one lighting means, and a first digital bidirectional control interface for connection to a first external digital control bus with addressing functionality for receiving external control information, in particular a DALI (Digital Addressable Lighting Interface) interface. The operating device according to the invention is characterized in that it comprises a second digital bidirectional control interface for connection to a second external (in relation to operating device) digital control bus with addressing functionality, wherein first and second control interfaces are designed for operation with different data protocols.

Abstract: The invention relates to an operating device for operating at least one lighting means comprising a grid input stage and at least one output stage connected to the grid input stage with output connections for connection to the lighting means, a control device for controlling the output stage or operation of the at least one lighting means, and a first digital bidirectional control interface for connection to a first external digital control bus with addressing functionality for receiving external control information, in particular a DALI (Digital Addressable Lighting Interface) interface. The operating device according to the invention is characterized in that it comprises a second digital bidirectional control interface for connection to a second external (in relation to operating device) digital control bus with addressing functionality, wherein first and second control interfaces are designed for operation with different data protocols.

Abstract: A starting circuit arrangement in which a gas discharge lamp is assigned a supply circuit having at least one inductor arranged in series with the gas discharge lamp, wherein the starting circuit arrangement comprises a starting transformer connected on the primary side to a starting triggering circuit and connected on the secondary side to the lamp for the transmission of a starting pulse, an input energy source for the starting triggering circuit, a first switch means in the starting triggering circuit, an electronic control device which drives the first switch means. The starting circuit arrangement has, on the supply side, an input terminal connected in the supply circuit of the lamp between the inductor and the lamp, and a means provided for reproducing the phase profile of an AC supply variable of the lamp after starting of the lamp.

Abstract: An ignition circuit arrangement and method for a discharge lamp, with which there is associated a supply circuit for providing an ac supply voltage to the lamp, includes an ignition transformer which is connected to a trigger circuit on the primary side and to the lamp on the secondary side for transmitting an ignition pulse; an input energy source for the ignition trigger circuit; a first switch means in the trigger circuit and a control means which actuates the first switch means. To assist with the ignition process, an energy storage means controllable by the control means, in particular a voltage source controllable by the control means, is arranged in the supply circuit in series with the gas-discharge lamp. The controllable energy storage means serves to provide an additional energy supply during the ignition process beyond the actual ac supply for the lamp.

Abstract: In order to reduce the amount of wiring complexity involved in conventional starting devices for gas discharge lamps, the invention proposes a starting circuit arrangement in which the lamp, in order to provide an AC supply voltage (UN), is assigned a supply circuit, which has at least one inductor, which is arranged in series with the gas discharge lamp, and wherein the starting circuit arrangement comprises: a starting transformer, which is connected on the primary side to a starting triggering circuit and can be connected on the secondary side to the lamp for the transmission of a starting pulse; an input energy source for the starting triggering circuit; a first switch means in the starting triggering circuit; an electronic control device which drives the first switch means.

Abstract: In order further to improve the ignition of gas-discharge lamps, in particular high-pressure gas discharge lamps, there is proposed an ignition circuit arrangement for a discharge lamp, with which there is associated a supply circuit for providing an ac supply voltage to the lamp. The ignition circuit arrangement according to the invention (1) includes an ignition transformer (20) which is connected to a trigger circuit (2) on the primary side and to the lamp (3) on the secondary side for transmitting an ignition pulse; an input energy source (30) for the ignition trigger circuit; a first switch means (40) in the trigger circuit and a control means which actuates the first switch means. The ignition circuit arrangement according to the invention is distinguished in that to assist with the ignition process an energy storage means (10) controllable by the control means, in particular a voltage source controllable by the control means, is arranged in the supply circuit in series with the gas-discharge lamp (3).