Patent application number | Description | Published |
20100253315 | POWER LEVEL INDICATOR - An electronic device is provided that is adapted to generate a supply voltage at an input node from a radio frequency (RF) signal. The electronic device includes a limiter coupled to the input node for limiting a supply voltage level at the input node that is generated by the received RF signal. The limiter is configured to draw a limiter current from the input node so as to limit the supply voltage level to a maximum and a magnitude of the limiter current is used for controlling a power consumption of the electronic device. | 10-07-2010 |
20120092055 | ELECTRONIC DEVICE AND METHOD FOR KICKBACK NOISE REDUCTION OF SWITCHED CAPACITIVE LOADS AND METHOD OF OPERATING THE ELECTRONIC DEVICE - An electronic device which includes a first stage having an input capacitance, a switch, a buffer and a second stage having an input sensitive to charge injection and/or voltage glitches. An input of the buffer and the input of the second stage are coupled together at a first node which is configured to be coupled to a voltage source for supplying a reference voltage to the input of the first stage having the input capacitance. In a first configuration of the switch, the switch is arranged to either connect the input of the first stage to the first node and to disconnect the input of the first stage from an output of the buffer. In a second configuration of the switch, to connect the input of the first stage to the output of the buffer and to disconnect the input of the first stage from the first node. | 04-19-2012 |
20120161942 | RFID TRANSPONDER AND METHOD FOR OPERATING THE SAME - An RFID transponder having an analog front end receiver having an attenuator coupled to receive an RF-signal from an antenna and to attenuate the RF-signal, an amplifier having a fixed amplifier gain and being coupled to receive and to amplify the attenuated RF-signal and a control unit coupled to control a gain of the attenuator, wherein the control unit is configured to control the attenuator gain in response to a level of the amplified RF-signal, the control unit is configured to have a plurality of predetermined states causing the attenuator to increase (step-up) or to decrease (step-down), its gain by a predefined step size. | 06-28-2012 |
20120223695 | ELECTRONIC DEVICE AND METHOD FOR A LIMITER IN AN AC APPLICATION - An electronic device, including a first limiter including a first transistor configured to be coupled with a first side of a channel to a first output node of a non-ideal voltage source having an inner impedance greater zero in order to limit the voltage at the first output node by drawing a current from the first output node. The second side of the channel of the first transistor is coupled to a capacitor so as to supply a current from the first output node to the capacitor, if the voltage level at the output node reaches or exceeds an upper limit. | 09-06-2012 |
20130009706 | ELECTRONIC DEVICE AND METHOD FOR AN AMPLIFIER WITH RESISTIVE FEEDBACK - An electronic device comprising an amplifier having at least a first input transistor of a first doping type. A first transistor is coupled with a channel as a feedback path between an output of the amplifier and a control gate of the first input transistor forming an input of the amplifier. A diode-coupled second transistor is coupled with a channel between a first current source and the output of the amplifier wherein a control gate of the first transistor is coupled between the first current source and the diode-coupled second transistor and the first transistor is of a second doping type which is opposite to the first doping type of the first input transistor of the amplifier. | 01-10-2013 |
20150145651 | RFID TRANSPONDER AND METHOD FOR OPERATING THE SAME - An RFID transponder having an analog front end receiver having an attenuator coupled to receive an RF-signal from an antenna and to attenuate the RF-signal, an amplifier having a fixed amplifier gain and being coupled to receive and to amplify the attenuated RF-signal and a control unit coupled to control a gain of the attenuator, wherein the control unit is configured to control the attenuator gain in response to a level of the amplified RF-signal, the control unit is configured to have a plurality of predetermined states causing the attenuator to increase (step-up) or to decrease (step-down), its gain by a predefined step size, wherein the step size of a step-up is equal to or smaller than the step size of a step-down and wherein the control unit is further configured to switch, upon reaching or exceeding a predefined threshold value, from a first to a second state having a smaller step size and causing the attenuator to change the gain such that the slope of the RF signal inverts and to switch, upon reaching the predefined threshold again, to a third state causing the attenuator to change a prefix of the gain. | 05-28-2015 |
Patent application number | Description | Published |
20090139610 | Method for hardening groove walls of the ring groove of a steel piston - A method for hardening groove walls of the ring groove of a steel piston by a laser beam consists of conducting process gas that contains oxygen onto a groove wall of the steel piston, and putting the steel piston into rotation. The groove wall is irradiated with the laser beam until an oxide layer has formed on the groove wall. Subsequently, the feed of the process gas is turned off, and the groove wall is heated and hardened, in tracks. The degree of heat conductivity of the groove wall is improved by the oxide layer on the groove wall, thereby bringing about faster heating and hardening of the groove wall. The reflectivity of the groove wall is also reduced in this way, so that only little light is reflected by the groove wall onto other regions of the groove, so that these regions are not unintentionally heated and hardened. | 06-04-2009 |
20140190443 | PISTON FOR AN INTERNAL COMBUSTION ENGINE AND METHOD FOR ITS PRODUCTION - A piston for an internal combustion engine, having a piston base body, a piston ring element having at least an inner region of a piston crown, and a piston skirt. The piston is provided with pin bosses having pin bores and the ring element has at least an outer region of a piston crown having a circumferential top land and a circumferential ring belt provided with ring grooves. The piston base body and piston ring element are joined together by way of corresponding, conical joining surfaces configured on them. | 07-10-2014 |
20150110595 | METHOD FOR ADJUSTING A BAROMETRIC CELL - A method for adjusting a barometric cell may include coupling the barometric cell to a control device via an actuating rod. The actuating rod may be movably mounted on a charging device in any desired position. The method may include applying a freely selectable pressure to the barometric cell so as to bring the actuating rod into contact with a stop, adjusting the barometric cell until a sensor registers a predefined value, and fixing the barometric cell on the charging device. | 04-23-2015 |
20150152740 | COMPRESSOR WHEEL - A compressor wheel for an internal combustion engine may include a plurality of blades which in a circumferential direction of the wheel are spaced from one another. The plurality of blades may respectively include an inflow edge which during operation are subject to an inflow of a compressible fluid substantially axially to the wheel axis. The plurality of blades may include a surface layer of locally distinct materials to adapt to locally distinct loads during operation. | 06-04-2015 |
Patent application number | Description | Published |
20080226566 | USE OF POORLY WATER-SOLUBLE CALCIUM SALTS AND/OR THE COMPOSITES THEREOF - The use of a composition containing at least one not easily water-soluble calcium salt and/or the composite material thereof, to protect and/or therapeutically treat and/or preventively treat teeth and/or bones in case of damage or prevent damage resulting from external influences, especially biological, chemical, physical, and/or microbiological influences, particularly to prevent and repair bone and tooth erosion, especially the enamel, maintain the enamel, protect teeth from aggressive acids, particularly caused by bacterial activity or the effect of acids contained in food, protect teeth from demineralizing, seal cracks, provide protection against and/or repair primary lesions and/or initial cavities in the enamel, smooth the tooth surface, prevent cavities make it easier to clean teeth, improve the mechanical resistance of teeth, and generally keep teeth healthy. | 09-18-2008 |
Patent application number | Description | Published |
20130070717 | Method and Apparatus for Interchanging Data Between Two Devices in an Automation Network - A method for interchanging data between two devices in a network which utilizes a communication protocol with an interface based on the OPC-UA standard to interchange the data, wherein the communication protocol includes a priority allocation function which can allocate to the data at least two different priority values, and the data are interchanged based on the allocated priority values, such that the data interchangeable between the two devices in a predetermined period of time with a prescribed probability. | 03-21-2013 |
20130070788 | Method and Apparatus for Interchanging Data, and Network - A method for interchanging data between two devices in a network which utilizes a communication protocol with an interface based on the OPC-UA standard to interchange the data, wherein the communication protocol comprises an interface based on the stream reservation protocol standard or an interface based on the multiple stream registration protocol standard in accordance with IEEE standard 802.1Qat, such that the data is interchangeable between the two devices using both interfaces in a prescribed period of time. | 03-21-2013 |
20130144408 | Method for Controlling an Electric Machine and Control Device - A method for controlling an electric machine or electric unit by actuating a component of the electric machine or unit using a predicate and by automatically examining the component in regard to the performance of the predicate to permit examination of an automated system for possible errors in a simply manner, wherein the predicate contains an expected value of a (physical) quantity of the component, and wherein in the examination of the component, a check is performed to determine whether the expected value actually arises when the predicate is performed such that erroneous situations can be detected by a runtime system without explicit programming being necessary therefor. | 06-06-2013 |
20150032230 | Method and Device for the Energy-Efficient Control of a Plant - A method for energy-efficient control of an installation comprises providing a plurality of components, wherein at least one of the plurality of components is able to adopt at least a first, high-energy active state and a second, low-energy standby state. Individual components in the active state have logical dependencies among one another. The method also includes ascertaining for at least one of the plurality of components to store component-specific time information and non-component-specific time information based on the logical dependency with respect to at least one other component. | 01-29-2015 |
Patent application number | Description | Published |
20130070717 | Method and Apparatus for Interchanging Data Between Two Devices in an Automation Network - A method for interchanging data between two devices in a network which utilizes a communication protocol with an interface based on the OPC-UA standard to interchange the data, wherein the communication protocol includes a priority allocation function which can allocate to the data at least two different priority values, and the data are interchanged based on the allocated priority values, such that the data interchangeable between the two devices in a predetermined period of time with a prescribed probability. | 03-21-2013 |
20130070788 | Method and Apparatus for Interchanging Data, and Network - A method for interchanging data between two devices in a network which utilizes a communication protocol with an interface based on the OPC-UA standard to interchange the data, wherein the communication protocol comprises an interface based on the stream reservation protocol standard or an interface based on the multiple stream registration protocol standard in accordance with IEEE standard 802.1Qat, such that the data is interchangeable between the two devices using both interfaces in a prescribed period of time. | 03-21-2013 |
20130144408 | Method for Controlling an Electric Machine and Control Device - A method for controlling an electric machine or electric unit by actuating a component of the electric machine or unit using a predicate and by automatically examining the component in regard to the performance of the predicate to permit examination of an automated system for possible errors in a simply manner, wherein the predicate contains an expected value of a (physical) quantity of the component, and wherein in the examination of the component, a check is performed to determine whether the expected value actually arises when the predicate is performed such that erroneous situations can be detected by a runtime system without explicit programming being necessary therefor. | 06-06-2013 |
Patent application number | Description | Published |
20140204616 | GALVANICALLY ISOLATED DC/DC CONVERTER AND METHOD OF CONTROLLING A GALVANICALLY ISOLATED DC/DC CONVERTER - A galvanically isolated DC/DC converter includes at least one first side converter circuit coupled between a pair of first side DC terminals, and at least one second side converter circuit coupled between a pair of second side DC terminals. The second side converter circuit has at least a first and a second switching element, each including a switch and a diode connected in parallel. When the DC/DC converter is in power transfer operation from the pair of first side DC terminals to the pair of second side DC terminals, the diodes of the first and second switching elements are alternately in a conductive state, with each of the first and second switching elements being controlled such that a closed state of the respective switch extends beyond a transitioning of the diode of the same switching element from the conductive state to a blocking state. | 07-24-2014 |
20140268929 | DC/AC CONVERTER AND METHOD OF CONTROLLING A DC/AC CONVERTER - A DC/AC converter includes a DC/DC conversion stage with galvanic isolation and a DC/AC conversion stage, wherein the DC/DC conversion stage comprises a pair of first side terminals providing or receiving a first DC voltage, a pair of second side terminals providing or receiving a second DC voltage and coupled to the DC/AC conversion stage, at least one first side converter circuit coupled between the pair of first side terminals, a series connection of a plurality of second side converter circuits coupled between the pair of second side terminals, and at least one transformer circuit coupling the plurality of second side converter circuits to the at least one first side converter circuit, wherein a connection point between two of the plurality of second side converter circuits is coupled to the DC/AC conversion stage and forms a neutral phase point thereof. | 09-18-2014 |
20140355311 | GALVANICALLY ISOLATED DC/DC CONVERTER AND METHOD OF CONTROLLING A GALVANICALLY ISOLATED DC/DC CONVERTER - A galvanically isolated DC/DC converter includes a first and a second side converter circuit coupled between a pair of first side DC terminals and a pair of second side DC terminals, respectively. The first side converter circuit has a first and a second switching element, each including a switch and a diode. When the DC/DC converter is in power transfer operation from the second side DC terminals to the first side DC terminals, the second side converter circuit alternates between two power transfer states. A conductive state of the diode of one of the first and second switching elements is the result of one of the two power transfer states. The first side converter circuit is controlled such that the switch of the respectively other of the first and second switching elements is closed for an adaptation interval before the one of the two power transfer states starts. | 12-04-2014 |
Patent application number | Description | Published |
20100176795 | OSCILLOSCOPE PROBE - Disclosed is a probe for an oscilloscope comprising a multi-stage transistor amplifier that acts as an impedance transformer. Said amplifier is a d.c.-coupled emitter follower circuit that is composed of bipolar transistors or a d.c.-coupled source follower circuit which is composed of field effect transistors and the successive amplifier elements of which are dimensioned and tuned to each other in such a way that the resulting offset direct voltage between the input and the output is minimal. | 07-15-2010 |
20100231199 | Oscilloscope Probe - In an oscilloscope probe with a transistor amplifier constructed on a semiconductor substrate using integrated circuit technology, at least one part of the input-voltage divider is also constructed together with the amplifier using integrated-circuit technology on the semiconductor substrate. | 09-16-2010 |
20100277190 | PROBE WITH HIGH-PRECISION DC-VOLTAGE MEASUREMENT - A test-signal detection system provides a probe, a first transmission line and a measuring device. The probe is connected to the measuring device by the first transmission line. The first transmission line transmits broadband test signals to the measuring device. The test-signal detection system provides at least one further transmission line. The probe is additionally connected to the measuring device at least indirectly by the at least one further transmission line. The at least one further transmission line transmits DC-voltage test signals to the measuring device. | 11-04-2010 |
20100301965 | Waveguide System with Differential Waveguide - A waveguide system comprises a differential waveguide with at least one first and one second signal conductor, which are coupled to one another within the waveguide, and a divider network with front network elements disposed at a front end of the waveguide in the signal-flow direction and with rear network elements disposed at a rear end of the waveguide in the signal-flow direction. The front network elements comprise a first parallel element, which extends in the direction from the first signal conductor to the earth conductor, and a second parallel element, which extends in the direction from the second signal conductor to the earth conductor. Alternatively, the parallel element can also be disposed between the signal conductors. | 12-02-2010 |
20110006793 | OSCILLOSCOPE PROBE - Disclosed is a probe ( | 01-13-2011 |
Patent application number | Description | Published |
20110163735 | SYSTEM FOR MEASURING HIGH-FREQUENCY SIGNALS WITH STANDARDIZED POWER-SUPPLY AND DATA INTERFACE - In a system for measuring at least one high-frequency signal, comprising at least one broadband probe and at least one measuring apparatus, each broadband probe and each measuring apparatus comprise a high-frequency connection for transmitting a high-frequency signal, and each measuring apparatus, or instead of a measuring apparatus each signal processing unit, comprises power supply connections for supplying power to each of the broadband probes, and comprise data signal connections for transmitting communication data between the measuring apparatus or signal processing unit and the broadband probe head. The power supply and data signal connections of each measuring apparatus, each signal processing unit, and each broadband probe are each identical with respect to the signal assignment and signal specification and are designed in accordance with an interface standard, and in each measuring apparatus, each signal processing unit and either directly in the broadband probe or in an adapter unit electrically connected to the broadband probe head are each guided in an identically standardized jack. | 07-07-2011 |
20130207643 | PROBE SYSTEM WITH COMPENSATING NETWORK - A probe system for registering a differential input signal has a first input network, which is supplied with a first component of the differential input signal in order to generate a first intermediate signal, and a second input network which is supplied with a second component of the differential input signal in order to generate a second intermediate signal. A differential amplifier for the amplification of the difference between the intermediate signals (Ip, In) is arranged in the signal flow direction downstream of the input networks. At least one compensation network is used to compensate the influence of the input networks and is arranged at the output end of the differential amplifier or in a feedback path connecting an output to an input of the differential amplifier. | 08-15-2013 |
20140139205 | DIFFERENTIAL PROBE WITH COMMON-MODE OFFSET - A differential probe provides a probe input which comprises two inputs for recording a first and second input signal. The differential probe further provides a first amplifier which is connected to the two inputs. The differential probe additionally provides a compensation device, which generates and superposes on the first and second input signal a differential offset signal. The compensation device also generates a common-mode offset signal which is independent of the differential offset signal. | 05-22-2014 |
20150247885 | System comprising a probe and a measuring device - The invention relates to a system comprising a probe and a measuring device, wherein the probe is connected to an input of the measuring device, and wherein an analog-digital converter is connected downstream of the input of the measuring device. The probe provides an analog-digital converter for the generation of a value-discrete and/or time-discrete signal from an analog input signal, wherein the value-discrete and/or time-discrete signal is supplied to the analog-digital converter of the measuring device. The invention further relates to a method for the registration of an analog signal by means of a system comprising a probe and a measuring device. | 09-03-2015 |
20150369841 | ADAPTER FOR A SENSOR FOR MEASURING A DIFFERENTIAL SIGNAL - An adapter for a sensor measuring a differential signal comprises two electrically conductive test-contact elements which are arranged in each case eccentrically relative to an axis of rotation in order to register respectively one partial signal of the differential signal. Moreover, two adjustment components, each rotatable about one of the two axes of rotation, are provided in the adapter for the adjustment of a variable spacing distance between the two test-contact elements. The two adjustment components are connected to one another in a force-fit manner. | 12-24-2015 |
Patent application number | Description | Published |
20090044406 | METHOD FOR PRODUCING METALLIC COMPONENTS, PARTICULARLY FOR TURBO MACHINES, HAVING SMALL EDGE RADII, AND COMPONENT PRODUCED THEREWITH - A method for producing metallic components, and metallic components produced by the method, particularly for turbo machines, having small edge radii, is disclosed. The method includes mechanical and/or electrochemical machining of a component while producing a small edge radius and solidifying the small edge radius by ultrasonic shot peening. As a result of the method, the disadvantages of the prior art are avoided and a machine process that can be automated has been provided, the method permitting considerable savings of time and labor and leading to reproducible results. | 02-19-2009 |
20100037669 | DEVICE AND METHOD FOR THE SURFACE PEENING OF A COMPONENT OF A GAS TURBINE - A device for surface-peening, especially for the ultrasound shot-peening of a component of a gas turbine, having at least one vibration means that comprises a surface that propels the peening material, and having a holding means with which a surface area of the component and the surface of the vibration means can be arranged with respect to each other is disclosed. In this context, the angular position of the surface of the at least one vibration means can be adjusted relative to the surface area of the component of the gas turbine. Moreover, a method is provided in which the angular position of the surface of the at least one vibration means can be adjusted relative to the surface area of the component. | 02-18-2010 |
20100125990 | METHOD AND DEVICE FOR THE SURFACE PEENING OF A PARTIAL ELEMENT OF A COMPONENT OF A GAS TURBINE - A method and device for the surface peening, especially ultrasonic shot-peening, of at least one partial element of a component of a gas turbine, is disclosed. The partial element, e.g., a sealing fin, and at least one surface of a vibration device impinging the blasting material are positioned relative to each other at an angle between 70° and 90° based on the direction of extension of the sealing fin. | 05-27-2010 |