Abstract: An electronic component (10a, 10b), with assignment of an address to the component, comprises a first terminal (A10a) for the application of a first signal (SCL) and a second signal (SDA) different from the first signal, and a second terminal (A10b), different from the first terminal, for the application of the first signal (SCL) and the second signal (SDA). Depending on the external connection of the first and second terminals (A10a, A10b), the component is assigned an address by means of which the component is addressable.

Abstract: In one embodiment a current source comprises an input (In) for receiving a brightness signal (Sb), and an output (Out) for providing a driving current (Id) for at least one light-emitting diode, LED, wherein the current source (CS) is configured to extract a first and a second current value (idac_high, idac_low) from the brightness signal (Sb), to derive a duty cycle value (Smod) from the brightness signal (Sb) and to modulate the driving current (Id) as a function of the duty cycle value (Smod) in a pulse-width modulation comprising the first and the second current values (idac_high, idac_low). Furthermore, a method for providing a current is described.

Abstract: A system for storing and dispensing a liquid cleaning additive for a high-pressure cleaning appliance has a device for storing the cleaning additive and a device for dispensing the cleaning additive in a controlled manner.

Abstract: A heat exchanger for heating a liquid is provided, in particular, for high-pressure cleaners, including an inner and an outer heating coil which each have a plurality of turns, and including spacers which are arranged between the inner heating coil and the outer heating coil and are distributed over the circumference of the inner heating coil. To develop the heat exchanger in such a way that it can be manufactured more cost-effectively and is highly efficient, at least one turn of the outer heating coil includes between two spacers immediately adjacent to each other a first turn section in which the radial spacing from the inner heating coil is smaller or larger than in the region of the spacers. Two methods for manufacturing such a heat exchanger are also provided.

Abstract: The invention relates to an input circuit arrangement (11), which is designed for operation either in a first or a second operating mode (A, B) and comprises a connection (13) for supplying a connection signal (SWI) and a detection circuit (14). The detection circuit (14) is coupled on the input side to the connection (13) and is designed to put the input circuit arrangement (11) into an operating mode from a group comprising the first and second operating modes (A, B) depending on the steepness of a change of the connection signal (SWI).

Abstract: In one embodiment a current source comprises an input (In) for receiving a brightness signal (Sb), and an output (Out) for providing a driving current (Id) for at least one light-emitting diode, LED, wherein the current source (CS) is configured to extract a first and a second current value (idac_high, idac_low) from the brightness signal (Sb), to derive a duty cycle value (Smod) from the brightness signal (Sb) and to modulate the driving current (Id) as a function of the duty cycle value (Smod) in a pulse-width modulation comprising the first and the second current values (idac_high, idac_low). Furthermore, a method for providing a current is described.

Abstract: The invention relates to a high-pressure cleaning appliance, comprising a heatable heat exchanger for heating up a liquid dispensable by the high-pressure cleaning appliance, a blower with a flow channel connected thereto for supplying combustion air to the heat exchanger, and a setting member for setting the amount of combustion air suppliable to the heat exchanger, the setting member having a channel constriction section which is positionable in the flow channel and movable relative thereto for changing the free cross-sectional area of the flow channel. In order to develop a generic high-pressure cleaning appliance further so that the amount of combustion air suppliable to the heat exchanger can be better adjusted, it is proposed that the channel constriction section be configured so as to be slidingly displaceable relative to the flow channel.

Abstract: A proposed aerostatic bearing arrangement for moving a device on a base structure, particularly in a vacuum environment, has at least one aerostatic bearing element comprising a bearing body having a load-carrying zone and a suction area. An electrostatic preloading unit having at least one electrode is associated with the at least one aerostatic bearing element, and a voltage can be applied to the electrode in such a way that a force component is generated in direction of the surface normal of the bearing body of the aerostatic bearing element.

Abstract: A table system for vacuum application has a base plate and a moving table guided by aerostatic bearing units. The bearing units (10) are connected to supply lines and suction lines for supplying and extracting the gas required for the operation of the bearing units and are provided in each instance with a sealing system having at least one stage and comprising suction channel and sealing gap for sealing relative to the vacuum. The table system is characterized in that the aerostatic bearing units (10) are constructed at least partially as swivel joints, and a push rod (4) which is actuated by a drive (5) for guiding the moving table laterally is connected to the rotating part (21) of each swivel joint, and in that the push rods (4) are hollow and constitute a component part of the suction lines for extracting the operating gas.

Abstract: A security paper for producing security documents, such as bank notes, identity cards or the like, having at least one opening, whereby the opening is produced during papermaking and does not have a sharp limiting edge in the edge area.

Abstract: The invention relates to documents of value, such as bank notes, checks, passports, ID cards or the like, with increased fitness for circulation, to a security paper for producing them, and to a method for producing said security paper and such documents of value.

Abstract: A microcontroller comprises a microprocessor (1), a test interface (4) and an internal non-erasable memory (2). First control means (6) are provided which are able to activate and deactivate the test interface (4), and second control means (7) are provided which are able to activate and deactivate the internal non-erasable memory (2). The microprocessor (1) of the microcontroller comprises control outputs (101) which are connected with the first and second control means (6, 7). With appropriate timing of activation and deactivation of the test interface (4) and the internal non-erasable memory (2), the microcontroller offers the possibility of preventing an unauthorized access to contents of the internal non-erasable memory (2) without limiting the usability of the test interface (4) for the development of application programs.

Abstract: The invention relates to a high-pressure cleaning appliance, comprising a heatable heat exchanger for heating up a liquid dispensable by the high-pressure cleaning appliance, a blower with a flow channel connected thereto for supplying combustion air to the heat exchanger, and a setting member for setting the amount of combustion air suppliable to the heat exchanger, the setting member having a channel constriction section which is positionable in the flow channel and movable relative thereto for changing the free cross-sectional area of the flow channel. In order to develop a generic high-pressure cleaning appliance further so that the amount of combustion air suppliable to the heat exchanger can be better adjusted, it is proposed that the channel constriction section be configured so as to be slidingly displaceable relative to the flow channel.

Abstract: A table for vacuum application which is guided by aerostatic bearing elements, having a fixedly mounted supporting structure and a tabletop which is displaceable in x-direction and y-direction with respect to the fixedly mounted supporting structure by means of slides. The slides are provided with the aerostatic bearing elements for guiding, these aerostatic bearing elements being connected to feed lines for supplying the gas required for the operation of the gas bearings and suction lines for removing this gas. The suction lines comprise at least one variable-length line arrangement having a first pipe member and a second pipe member which penetrate one inside the other without contacting, at least one sealing gap being provided between the pipe members.

Abstract: An electronic component (10a, 10b), with assignment of an address to the component, comprises a first terminal (A10a) for the application of a first signal (SCL) and a second signal (SDA) different from the first signal, and a second terminal (A10b), different from the first terminal, for the application of the first signal (SCL) and the second signal (SDA). Depending on the external connection of the first and second terminals (A10a, A10b), the component is assigned an address by means of which the component is addressable.

Abstract: A housing for an internal combustion engine with a PCV valve for crankcase ventilation, including a valve housing and a valve insert, wherein the valve housing comprises a pressure-side opening which is connected to a pressure space carrying blow-by gases and a suction-side opening which is connected to a suction space, wherein the valve insert includes a valve body displaceably guided in the valve housing and a spring, wherein in an pressure-less state the valve body is pre-loaded towards, and rests on, a valve seat, wherein the valve body, exclusively controlled by a defined positive pressure in the pressure space relative to the suction space, is automatically displaceable to an open position against the force of the spring in order to provide a ventilation opening for blow-by gases between the pressure space and the suction space, wherein the valve housing includes two separate valve housing parts, wherein the valve seat is integrated into a first valve housing part and the first valve housing part is int

Abstract: A system for storing and dispensing a liquid cleaning additive for a high-pressure cleaning appliance has a device for storing the cleaning additive and a device for dispensing the cleaning additive in a controlled manner.