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| Number | Title | Issue Date |
| 7742305 | Switching power supply unit A switching power supply having at least one switch (S) controlled by a control circuit (AST), by means of which an input direct voltage (UV) is switched, whereby a thermal model (THM) is implemented in a control (STE), by means of which the temperature o... | 06/22/2010 |
| 7660138 | Method for operating an inverter including boos, buck, and CUK converter topologies and arrangement for executing the method The invention relates to a method for operating an electronically controlled inverter, said method being characterized in that the inverter is controlled during the positive half-wave of the output alternating voltage in such a way that it operates as a step-up conv... | 02/09/2010 |
| 7613015 | Voltage converter The invention relates to a voltage converter for converting a primary/secondary voltage into a secondary/primary voltage, comprising at least one controlled switch, wherein a control circuit controls, according to its supplied set points, the at least one controlled... | 11/03/2009 |
| 7561453 | Method for operating an inverter and arrangement for executing the method There is described a method for operating an electronically controlled inverter. The inverter is controlled during the positive half-wave of the output alternating voltage in such a way that it operates as a SEPIC converter, and during the negative half-wave of the ... | 07/14/2009 |
| 7532976 | Method of determining the use of at least one toll road section A method of, and a toll-collecting system (SYS) for, determining whether at least one toll road section is being used by a vehicle (FAR), wherein the position of the vehicle (FAR) is determined by means of at least one position calculating system (POS) and the deter... | 05/12/2009 |
| 7453680 | Power supply with disconnect fuse A power supply in which a feed voltage (Us) is guided through at least one longitudinal branch to at least one output, the at least one branch having a disconnect fuse formed as a controlled semiconductor switch (SW1) and a monitoring unit (UWE) be... | 11/18/2008 |
| 7388364 | Device for covering the peak load A device for covering the peak load of an electrical consumer (VB) that is connected to an alternating current terminal of a public electricity network (ENT). A power inverter (WR) is fed from a direct current accumulator (BAT) and is connected in parallel at the ou... | 06/17/2008 |
| 7365996 | Switched-mode power supply A switched-mode power supply for converting a DC input voltage (Uzk) into an output voltage (Ua). The switched-mode power supply comprises a circuit (AST) for triggering at least one controlled switch (S) that periodically applies the input voltage to at least one p... | 04/29/2008 |
| 7324017 | Method for identifying a toll-required section of road A process for determining travel through at least one toll road section by at least one vehicle (FAR) by means of a position determination system (POS) which is set up to determine the current position of the at least one vehicle (FAR), whereby positions of the at l... | 01/29/2008 |
| 7268992 | Power supply with disconnect fuse A power supply in which a feed voltage (Us) is guided through at least one longitudinal branch to at least one output, the at least one branch having a disconnect fuse formed as a controlled semiconductor switch (SW1) and a monitoring unit (UWE) be... | 09/11/2007 |
| 7248486 | Energy efficient switching converter A switching converter in which an input voltage can be switched by means of at least one controlled switch to at least one primary winding of a transformer, with a control circuit for controlling the switch, to which control circuit a regulating signal in the sense ... | 07/24/2007 |
| 7138731 | Switching converter having a controllable load element Switching converter to convert an input direct current (UE) into at least one output direct current (UA), wherein an internal auxiliary voltage (UH1, UH2) is derived from at least one auxiliary winding (WH1, W | 11/21/2006 |
| 7120039 | Voltage converter A voltage conversion circuit for the conversion of an input d.c. voltage into a three-phase a.c. voltage (UR, US, UT) in the mains frequency range having at least one inductor (L1, L2) and having multiple switches (S... | 10/10/2006 |
| 7072160 | Monitoring device for power supplies A monitoring or watchdog unit (UWE) for a current or voltage supply system, wherein a supply voltage is taken across at least one cut-out safeguard to two or more outputs, the at-least one cut-out safeguard device configured as a controlled switch device and the wat... | 07/04/2006 |
| 6929506 | Mounting element for connecting a component to a circuit board The invention relates to a mounting element (MON) for joining a component (BAU) to a circuit carrier (STR). Said mounting element (MON) comprises a receiving element (AUF) which enables it to be joined to a section (ABS) of the component (BAU) in a positive fit. Sai... | 08/16/2005 |
| 6903911 | Protective circuit for a network-controlled thyristor bridge A protective circuit (SCH) for a line-commutated thyristor bridge (B, B′), which is designed for feeding energy of a power circuit connected to the bridge and also for feedback from this circuit, and which is connected between the thyristor bridge and the power ci... | 06/07/2005 |
| 6903912 | Method for recognition and/or limiting the short-circuit state of a switching converter and switching converter The invention pertains to a method for detecting and/or limiting short-circuit or overcurrent states of a switching regulator, where the load current or a variable proportional to the load current is measured and compared with a predetermined maximum value, and wher... | 06/07/2005 |
| 6801432 | Retainer element for electrical components for assembly on circuit supports A retainer element for at least one electrical component for assembly on circuit supports, such as, e.g., on printed circuit boards. The retainer element is comprised of at least one body, which has at least one uptake for the component. The component can be inserte... | 10/05/2004 |
| 6801018 | Buffer circuit The invention relates to a buffer circuit for a load (LAS) to be supplied by the supply DC voltage (Uv), comprising a buffer capacitor (Cp), which may be charged to a voltage (UH) by means of a charging circuit (HSS). Said voltage is higher tha... | 10/05/2004 |
| 6538864 | Protective circuit for an electronic device The protective circuit for an electronic device is located between a DC source (UV) and the circuit voltage input of the device (G). The protective circuit comprises the serial connection of a diode (DV) and a limiting resistor (R | 03/25/2003 |
| 6519159 | Electronic device Electronic device with a housing 1, a rear wall 7 and, accommodated in the housing, at least one printed circuit board 10 which stands essentially perpendicular to the rear wall, wherein the rear wall 7 is a part independent of the housing 1, which closes... | 02/11/2003 |
| 6141232 | Fixed frequency flyback converter A flyback converter including a transformer (Tr), having a primary winding (WP) and having a secondary winding (WS), wherein the primary winding is connected in series with a controlled switch (T) and an actuation circuit ... | 10/31/2000 |
