Abstract: A transparent pane having an electrically heatable coating is described. The transparent pane is electrically connected to at least two first electrodes provided for electrical connection to two terminals of a voltage source. A heating field includes at least one coating-free zone. At least one second electrode is provided for electric connection to one terminal of the voltage source. A method for manufacturing the transparent pane is also described.

Abstract: The invention relates to a glass roof for a motor vehicle essentially forming an entire roof surface between the front and rear vehicle-roof cross members. The glass panel can be connected fixedly to the vehicle body and can have one or several cutout openings fitted with an openable glass pane.

Abstract: A Doherty amplifier (100) is described which comprises an input terminal (102) for receiving an input signal (101) and an output terminal (103) for providing an amplified signal (104) of the input signal (101). The Doherty amplifier is supplied by a first supply voltage and a second supply voltage which have opposite polarities in respect to a reference level.

Abstract: A combination of an interconnect board and a module board for connecting a plurality of electronic modules to a processing unit is described. The interconnect board comprises a plurality of interconnect data lines connected between a plurality of interconnect board input terminals and interconnect board output terminals. The module board comprises at least one electronic module connected to a module connection input terminal, a plurality of module board data lines connected between a plurality of module board input terminals and a plurality of module board output terminals, and an unconnected module board output terminal. A first one of the interconnect board output terminals is connectable to the module connection input terminal, and the unconnected module board output terminal is connectable to one of the interconnect board input terminals.

Abstract: A transparent glazing unit including a resistive heating coating that extends over a substantial part of the glazing unit, in particular over a main viewing field, and is electrically connected to at least two busbars such that, when an electrical supply voltage is applied between the busbars, a current flows, which heats a heating field in the coating. The heating field includes at least one semiresistive region in direct contact with at least one busbar.

Abstract: In a laminated glass sheet with a fixing device introduced into a through-hole for objects, particularly for antennas, the through-hole is made up of holes of different sizes in two rigid sheets of the lamination, and the fixing device includes at least two parts introduced into the through-hole, pressing against surfaces around the edge of the through-hole, which surfaces are situated one facing the other. The two parts of the fixing device press from both sides against the surfaces around the edge surrounding the smaller hole made in the sheet, in that region of the walls of a smaller hole that exhibits an edge compression stress that is increased by heat treatment by comparison with the remainder of the surface of the sheet.

Abstract: A filter arrangement for filtering a radio signal comprising at least a first filter stage is presented wherein the at least first filter stage comprises a divide stage for dividing a filter stage input signal into several signal portions. The signal portions are filtered in at least two parallel filter elements. A combine stage combines the separate filter output signals into a single filter stage output signal.

Abstract: An amplifier arrangement with an amplifier arrangement input and an amplifier arrangement output is disclosed. The amplifier arrangement comprises a first transistor and a first ballast resistance, wherein the first ballast resistance connects a first transistor base of the first transistor to a common base terminal at least one second transistor and at least one second ballast resistance, wherein the at least one second ballast resistance connects a second transistor base of the at least second transistor to the common base terminal; and a feedback device comprising a feedback input terminal for sensing at least a base voltage of the first transistor and further comprising a feedback output terminal that is connected to the common base terminal.

Abstract: The present invention relates to a pane with an electrical connection element, comprising: a substrate made of glass (1), an electrically conductive structure (2) with a layer thickness of 5 ?m to 40 ?m on a region of the substrate (1), a connection element (3), and a layer of a solder material (4), which electrically connects the connection element (3) to a portion (12) of the electrically conductive structure (2), wherein the connection element (3) contains at least an iron-nickel alloy or an iron-nickel-cobalt alloy, the connection element (3) is connected to the portion (12) of the electrically conductive structure (2) via a contact surface (11) over its entire surface, and the contact surface (11) has no corners.

Abstract: An amplifier arrangement for amplifying a radio signal comprising at least a first amplifier module and a second amplifier module is presented wherein a splitter stage for dividing an amplifier stage input signal into several signal portions. The signal portions are amplified in the at least two parallel amplifier modules. A combiner stage combines the separate amplifier output signals into a single amplifier arrangement output signal.

Abstract: An amplifier arrangement with an amplifier arrangement input and an amplifier arrangement output is disclosed. The amplifier arrangement comprises a first transistor and a first ballast resistance, wherein the first ballast resistance connects a first transistor base of the first transistor to a common base terminal at least one second transistor and at least one second ballast resistance, wherein the at least one second ballast resistance connects a second transistor base of the at least second transistor to the common base terminal; and a feedback device comprising a feedback input terminal for sensing at least a base voltage of the first transistor and further comprising a feedback output terminal that is connected to the common base terminal.

Abstract: The invention relates to a method and a device for exchanging data on the basis of the OPC communications protocol, wherein at least one OPC-ready server is connected parallel to a master OPC server. An OPC client is connected to the master OPC server over a first communications link and to at least one OPC-ready server via at least one second communications link. The OPC client exchanges data over the first communications link and the master OPC server, and over at least the second communications link and at least one OPC-ready server with automatic devices, and evaluates the data transmitted by the master OPC server and at least one OCT-ready server. In the event of failure, the master OPC server is at least partially switched over from the OPC client to at least one OPC-ready server such that the program continues to run smoothly in the same place.

Abstract: The present invention relates to a glass roof for a motor vehicle comprising a first glass pane (1) forming substantially the entire roof area between the front and the rear vehicle roof cross members and rigidly connectable to the vehicle body that has a cutout (2) used as a ventilation opening surrounded on all sides by the glass pane, in which cutout a second, openable glass pane (3) tightly sealing the cutout is mounted, characterized in that the first glass pane (1) comprises a laminated glass pane made of two individual glass panes (4,5) each having compressive stresses in their edge areas of at least 8 MPa, that the corners (8) of the ventilation opening (2) are rounded with a radius (R) of at least 15 mm but preferably at least 60 mm, and that the glass pane (1) has a three-dimensional bend.

Abstract: A transparent glazing unit including a resistive heating coating that extends over a substantial part of the glazing unit, in particular over a main viewing field, and is electrically connected to at least two busbars such that, when an electrical supply voltage is applied between the busbars, a current flows, which heats a heating field in the coating. The heating field includes at least one semiresistive region in direct contact with at least one busbar.

Abstract: The inventive transparent window pane is provided with a resistive heating coating (2) which extends through a substantial portion of the window pane, in particular on a main view field (A) and is electrically connected to at least two conductor rails (4, 5) in such a way that, when an electric' supply voltage is applied between said conductor rails, a circulating current heats the coating heating field, wherein said heating field comprises at least one semi-resistive area (6) directly contacting at least on e conductor rail (4, 5).

Abstract: In a laminated glass sheet with a fixing device introduced into a through-hole for objects, particularly for antennas, the through-hole is made up of holes of different sizes in two rigid sheets of the lamination, and the fixing device includes at least two parts introduced into the through-hole, pressing against surfaces around the edge of the through-hole, which surfaces are situated one facing the other. The two parts of the fixing device press from both sides against the surfaces around the edge surrounding the smaller hole made in the sheet, in that region of the walls of a smaller hole that exhibits an edge compression stress that is increased by heat treatment by comparison with the remainder of the surface of the sheet.

Abstract: The invention relates to a method and a device for exchanging data on the basis of the OPC communications protocol, wherein at least one OPC-ready server is connected parallel to a master OPC server. an OPC client is connected to the master OPC server over a first communications link and to at least one OPC-ready server via at least one second communications link. The OPC client exchanges data over the first communications link and the master OPC server, and over at least the second communications link and at least one OPC-ready server with automatic devices, and evaluates the data transmitted by the master OPC server and at least one OCT-ready server. In the event of failure, the master OPC server is at least partially switched over from the OPC client to at least one OPC-ready server such that the program continues to run smoothly in the same place.

Abstract: A transparent glazing unit including a resistive heating coating that extends over a substantial part of the glazing unit, in particular over a main viewing field, and is electrically connected to at least two busbars such that, when an electrical supply voltage is applied between the busbars, a current flows, which heats a heating field in the coating. The heating field includes at least one semiresistive region in direct contact with at least one busbar.

Abstract: A transimpedance amplifier circuit comprising transistors, a constant current source, a load resistor, and the feedback resistor with a shunt circuitry consisting of the additional transistors, which are driven for example with electrically adjustable voltage sources. In a bipolar npn implementation the amplifier stage consists of a common emitter input transistor Q1, a transistor Q2 with its base connected to the collector of the first transistor operates as an emitter follower. A resistor RF connected between the emitter of said second transistor and the base of said first transistor provides a voltage controlled current feedback from the amplifier output to its input. The output voltage VOUT is generated at the emitter node of said second transistor. A shunt circuitry consists of a third and a fourth transistor Q3 and Q4 connected in shunt across resistor RF. In an embodiment, the base node voltages of the transistors Q3 and Q4 are adjusted by control voltage sources.

Abstract: A transimpedance amplifier circuit comprising transistors, a constant current source, a load resistor, and the feedback resistor with a shunt circuitry consisting of the additional transistors, which are driven for example with electrically adjustable voltage sources. In a bipolar npn implementation the amplifier stage consists of a common emitter input transistor Q1, a transistor Q2 with its base connected to the collector of the first transistor operates as an emitter follower. A resistor RF connected between the emitter of said second transistor and the base of said first transistor provides a voltage controlled current feedback from the amplifier output to its input. The output voltage VOUT is generated at the emitter node of said second transistor. A shunt circuitry consists of a third and a fourth transistor Q3 and Q4 connected in shunt across resistor RF. In an embodiment, the base node voltages of the transistors Q3 and Q4 are adjusted by control voltage sources.