| Rohde & Schwarz GmbH & Co. KG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120126786 | Thermoelectric Power Measurement Cell and Corresponding Measurement Method - A power measurement cell comprises at least one thermoelement ( | 05-24-2012 |
| 20120113976 | SYSTEMS, APPARATUS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING ATSC INTEROPERABILITY - Systems, apparatus, methods and computer program products are provided for causing a dataframe to be emitted at an air interface of an antenna. A memory stores a transmission to antenna delay value (TAD). An offset calculator calculates an offset value based on an epoch of a global timebase generator and the transmission to antenna delay value (TAD). An interface controller in communication with the offset calculator communicates a segment synchronization signal and a field synchronization signal based on the offset value. | 05-10-2012 |
| 20120112985 | MEASURING INSTRUMENT AND MEASURING METHOD FEATURING DYNAMIC CHANNEL ALLOCATION - A measuring device including a control device, at least two ports, at least two measurement channels and at least two display devices. The control device assigns ports to the measurement channels and connects the measurement channels to these ports internally, at least logically. In this context, one display device is assigned to every port. The display devices allocated to the ports display information, which relates to the present assignment and/or utilisation of the respective ports. | 05-10-2012 |
| 20120105049 | SYNTHESIZER HAVING ADJUSTABLE, STABLE AND REPRODUCIBLE PHASE AND FREQUENCY - A measuring device provides a synthesizer device, at least two controlling devices and at least two controlled oscillators. The synthesizer device contains at least one direct digital synthesizer and generates at least two signals of known phase ratio. Signals generated by the synthesizer device form reference signals of at least one controlling device. Signals formed by the controlling devices control the controlled oscillators. The measuring device contains only frequency splitters, which divide by integer division factors. | 05-03-2012 |
| 20120068786 | Forward Coupler with Strip Conductors - A coupler comprises a first line and a second line in each case with two connectors. The lines run in spatial proximity and are coupled. A first connector of the first line and a first connector of the second line are disposed in spatial proximity. A second connector of the first line and a second connector of the second line are disposed in spatial proximity. A signal does not couple or couples only with a high attenuation from the first connector of the first line to the first connector of the second line. The signal is split, in particular, at the design frequency, into largely identical parts to the second connector of the first line and the second connector of the second line. The first line and the second line in this context are strip conductors. | 03-22-2012 |
| 20120063541 | METHOD AND DEVICE FOR DETERMINING ESTIMATED VALUES FOR TRANSMITTED SYMBOLS IN A MIMO-OFDM SYSTEM - A method for determining estimated values for data symbols transmitted from at least four transmission antennas of a MIMO transmission system, which are encoded according to the Matrix B transmission mode and weighted with coefficients (v | 03-15-2012 |
| 20120038666 | METHOD FOR CAPTURING AND DISPLAYING IMAGE DATA OF AN OBJECT - A method for detecting and displaying image data of at least one object with reference to a human or animal body is provided with the following method steps: detecting a spatial structure and position of the object through a physical space detection and generating image data of the object on the basis of this detection, projecting the image data onto an artificial body, which represents the human or animal body, and displaying the object using the image data projected onto the artificial body. | 02-16-2012 |
| 20110294437 | METHOD AND TEST INSTRUMENT FOR ANALYZING A DEVICE COMMUNICATING VIA A RADIO LINK - The invention related to a method and to a test device for analyzing a device communicating via a radio link. Said device comprises a plurality of antennas for communicating, together comprising an antenna arrangement. The device under test is first disposed in a first position relative to a radio field. A value of at least one piece of channel state information describing a quality of the antenna arrangement obtained via the return channel is determined in said relative position. A change in the relative position of the device under test relative to the radio field is subsequently performed. A second value of the at least on piece of channel state information is determined in said changed, new relative position. | 12-01-2011 |
| 20110288820 | METHOD AND NETWORK ANALYZER FOR MEASURING GROUP RUNTIME IN A MEASURING OBJECT - A network analyzer for measuring a group delay time, which is caused by a device under test to be measured, generates an excitation signal comprising two signals (x | 11-24-2011 |
| 20110267349 | Method and Device for Displaying Lines Between Sampled Measurement Values - Measurement points for display on a two-dimensional pixel-based display device are formed by scanned and digitized measurement values. To this end, the resolution of each measurement point according to time and/or value is higher than the resolution of the two-dimensional pixel-based display device. The measurement points are connected into a continuous measurement point curve if they are not located on directly adjoining pixels. In order to determine the pixels to be depicted of the continuous measurement point curve between two measurement points not located on directly adjoining pixels, the positions of the adjoining measurement points within the associated pixels are taken into consideration. | 11-03-2011 |
| 20110250847 | METHOD FOR TESTING APPLIANCES FOR A MOBILE-RADIO SYSTEM, SIGNAL GENERATOR, APPLIANCE FOR A MOBILE-RADIO SYSTEM, AND A MEASUREMENT SYSTEM - A method, a signal generator, an appliance for a mobile radio system, and a measurement system are provided. First of all, a signal generator generates signal data. The signal data are used to generate a signal which is sent to the appliance which is to be tested. The appliance which is to be tested receives the signal and evaluates it. The evaluation of the received signal is taken as a basis for generating a response signal, wherein the response signal has an envelope which is characteristic of the information which is to be returned. This characteristic envelope is measured and a measurement signal which is representative thereof is generated. The measurement signal is supplied to a correlator in the signal generator and is compared with a comparison signal stored in the signal generator. | 10-13-2011 |
| 20110228694 | METHOD AND DEVICE FOR THE ANALYSIS OF CODE DOMAIN POWER AND CODE DOMAIN ERROR POWER - Method and apparatus for simultaneously showing Code Domain Power and Code Domain Error Power for various code channels by receiving a signal, evaluating the signal, ascertaining a Code Domain Power for a code channel, ascertaining a Code Domain Error Power for the code channel, and simultaneously showing the Code Domain Power and the Code Domain Error Power. | 09-22-2011 |
| 20110223869 | METHOD AND DEVICE FOR TESTING A MOBILE-RADIO DEVICE BY MEANS OF STATIC CHANNEL SIMULATION - The invention relates to a device and to a method for testing a mobile radio device in a multiple antenna system using a frequency-selective static channel model for channel simulation in frequency space. In the method according to the invention, the useful data to be transmitted are first allocated to a plurality of carrier frequencies and the associated coding parameters per antenna. The useful data are then modulated onto the carrier frequencies according to the allocation. One or more modulated carrier signals are now distorted in frequency space according to a frequency-selective static channel model. A transmission signal composed of the channel-modeled modulated carrier signals is subsequently transmitted in the period of time to a mobile radio device to be tested. | 09-15-2011 |
| 20110199271 | PORTABLE DUAL-BAND ANTENNA - An antenna provides two antenna elements, which are connected to one another. The second antenna element can be connected to a radio device. The first antenna element and the second antenna element together form a first antenna part. The second antenna element alone forms a second antenna part. The first antenna element comprises at least in part at least one flexible metal strip. The second antenna element comprises at least in part a flexible corrugated tube. | 08-18-2011 |
| 20110188521 | APPARATUS, SYSTEMS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR PRODUCING A SINGLE FREQUENCY NETWORK FOR ATSC MOBILE / HANDHELD SERVICES - Producing coherent symbols from a plurality of digital RF transmitters is achieved by selecting data bytes corresponding to mobile-handheld encapsulation (MHE) packets and setting trellis coders to a predetermined state when a predetermined number of bits of the data bytes enter a corresponding trellis coder. | 08-04-2011 |
| 20110187401 | Test Couplet With Strip Conductor Technology - A test coupler for supplying a device under test with test signals contains a first coaxial connector, a waveguide port, and a first strip conductor. Test signals of a lower frequency range are supplied to the first coaxial connector. Test signals of an upper frequency range are supplied to the waveguide port. The test coupler guides the test signals on the first strip conductor to the device under test. | 08-04-2011 |
| 20110169502 | Power Calibration System - A calibration system for calibrating power sensors comprises a signal generator, a first signal splitter, a second signal splitter, a third signal splitter, a first measuring point, a second measuring point, a test port and a first power sensor. In this context, the signal generator is connected to the input of the first signal splitter. A first output of the first signal splitter is connected to the second signal splitter. A first output of the second signal splitter is connected to the test port. A second output of the second signal splitter is connected to the first measuring point. A second output of the first signal splitter is connected to the third signal splitter. A first output of the third signal splitter is connected to the first power sensor. A second output of the third signal splitter is connected to the second measuring point. | 07-14-2011 |
| 20110166445 | MEASURING DEVICE AND A METHOD FOR MICROWAVE-BASED INVESTIGATION - A measuring device comprises a microwave transmitter, a microwave receiver, at least one antenna, a control device and a dielectric extension. The dielectric extension is disposed between the antenna and an object to be investigated. The control device controls the microwave transmitter and the microwave receiver. The microwave transmitter transmits a microwave signal by means of the antenna and the dielectric extension into the object to be investigated. The object to be investigated scatters the microwave signal. The microwave receiver receives the scattered microwave signal by means of the antenna and the dielectric extension. The length and the dielectric constant of the dielectric extension in this context are dimensioned in such a manner that the object to be investigated is disposed in the remote field of the antenna. | 07-07-2011 |
| 20110163928 | BROADBAND ANTENNA - An antenna comprises a monopole and a dipole. The dipole provides a first antenna element and a second antenna element, which provide a common longitudinal axis with the longitudinal axis of a monopole. The first antenna element of the dipole is connected to the second antenna element of the dipole and to the monopole. The monopole bears the dipole. The antenna further contains a decoupling element, which is disposed between the monopole and the dipole. | 07-07-2011 |
| 20110160579 | MICROWAVE INVESTIGATION WITH A CONTRAST MEDIUM - A device for the investigation of an object uses a microwave transmitter, a microwave receiver, a control device and a contrast medium. The microwave transmitter and the microwave receiver are controlled by the control device. In one embodiment, the following steps maybe implemented:
| 06-30-2011 |
| 20110157234 | METHOD FOR ENLARGING A DISPLAY REGION ON A DISPLAY UNIT - A method for enlarging display regions on displays is provided. The method includes a definition of at least two enlargeable display regions, determining a touch screen signal, associating the touchscreen signal with an enlargeable display region to be enlarged and a display region-specific enlargement of the enlargeable display region to be enlarged. | 06-30-2011 |
| 20110153247 | Method and Device for Determining a Frequency Mask for a Frequency Spectrum - A method and a device for determining a frequency mask disposed above or below a frequency spectrum of a detected signal determines every individual ordinate value of a first envelope curve disposed completely above or below the frequency spectrum as the maximum value or minimum value of a given number of respectively adjacent ordinate values of the frequency spectrum linked to a window function. Following this, each individual ordinate value of a second envelope curve disposed completely above or below the frequency spectrum and completely above or below the first envelope curve is determined as the maximum value or minimum value of a given number of respectively adjacent ordinate values of the frequency spectrum linked to a window function. Finally, a minimum number of ordinate values of the frequency mask from ordinate values of the first and/or second envelope curve disposed completely between the first and second envelope curve is determined, wherein in each case two successive ordinate values of the frequency mask with a maximum horizontal spacing distance within the first and second envelope curve can be reached in a linear manner relative to one another. | 06-23-2011 |
| 20110152664 | MEASURING DEVICE AND A METHOD FOR DETERMINING MOVEMENT IN A TISSUE - A measuring device contains a microwave transmitter, a microwave receiver and a control device. The control device controls the microwave transmitter in such a manner that the latter transmits a microwave signal into a tissue. The tissue contains moving constituents. The tissue controls the microwave signal. The moving constituents of the tissue change the frequency of the microwave signal. The control device controls the microwave receiver in such a manner that the latter receives the scattered and/or frequency-changed microwave signal. The control device determines from the received microwave signal a movement of the moving constituents of the tissue. | 06-23-2011 |
| 20110151797 | METHOD AND MEASURING SYSTEM FOR THE MEASUREMENT AND TESTING OF A MOBILE-TELEPHONE DEVICE - The measurement method presented and the measuring device presented allow inferences to be gained regarding the status and the quality of mobile telephone user equipment by correlating operating parameters with the transmission power of a mobile telephone transmitter and the Transport Format Combination Indicator (TFCI). | 06-23-2011 |
| 20110141975 | METHOD AND A SYSTEM FOR TIME SYNCHRONISATION BETWEEN A CONTROL CENTRE AND SEVERAL TRANSMITTERS - A central station and several transmitters in a single-frequency network are synchronised. A first reference time signal is generated with a high degree of time and frequency accuracy on the short and long time horizon and a second reference time signal is generated and supplied to the central station with a low degree of time and frequency accuracy on the short time horizon and a high degree of accuracy on the long time horizon. A transport data stream with a temporally variable data rate that corresponds to the frequency of the second reference time signal is generated by means of the central station, said stream being supplied to several transmitters and comprising distributed data packets that contain the transmission instant of the data packet, referenced to the second reference time signal, for the transmitters. The time accuracy of the transmission instant of each data packet is optimised by averaging the time and frequency accuracy of the second reference signal over time. The system temporally offsets the transport data stream received by each transmitter from the central station until the data packets of the transport data stream that each contain a transmission instant are transmitted at the correct transmission instant with regard to the first reference time signal supplied to each transmitter. | 06-16-2011 |
| 20110124296 | METHOD AND SYSTEM FOR DETERMINING THE AMPLITUDE AND/OR PHASE OF THE OUTPUT SIGNAL FOR A TRANSMISSION BODY DEPENDING ON THE AMPLITUDE OF THE INPUT SIGNAL - A method and a system for determining the amplitude and/or the phase of the output signal of a transmission link dependent upon the amplitude of the input signal (AM-AM and/or AM-PM characteristic) impresses a test signal (s(t)) on the transmission link, measures the response signal (e(t)) resulting from the test signal (s(t)) by amplitude and/or phase distortion in the transmission link and determines the amplitude response (|e(t)|) of the response signal (e(t)) and/or the phase responses (φ | 05-26-2011 |
| 20110122851 | SELF-ORGANIZING COMMUNICATIONS NETWORK AND METHOD FOR THE OPERATION THEREOF - A radio communication network having at least two base stations. The base stations communicate with mobile stations using time slots. The time slots are divided into transmission slots, during which the base stations transmit messages, and receiving slots, during which the base stations receive messages. The base stations jointly determine an assignment of the time slots as transmission slots and receiving slots. | 05-26-2011 |
| 20110097929 | Coaxial Plug-Connector Part with Ball - In a coaxial plug-connector part with a cap nut arranged in a rotatable manner on an outer conductor of a coaxial line system and with a ball bearing between cap nut and outer conductor, the ball bearing cooperates with a bearing bush. The ball bearing and the bearing bush are held within the cap nut by a bearing cover screw-connected to the cap nut, and this enclosed structural group can be fitted, via a continuous internal borehole of the bearing bush, onto the outer conductor of the coaxial line system to be connected. | 04-28-2011 |
| 20110096881 | Method and Device for Clock Data Recovery - A method for the recovery of a clock signal from a data signal, wherein the edges of the data signal and the clock signal are each presented by an ordered sequence of timing points, comprising determining missing edges in the sequence of data-signal edges, inserting new data-signal edges (D | 04-28-2011 |
| 20110077509 | MEASURING DEVICE AND A METHOD FOR DETERMINING TISSUE PARAMETERS - A measuring device provides a control device, a test-signal transmitter, a test-signal receiver and a test probe. The test probe contains at least one coaxial line. The control device controls the test-signal transmitter in such a manner that it transmits a test signal by means of the coaxial line into a given location of the tissue. The test signal is scattered by the tissue. The control device controls the test-signal receiver in such a manner that it receives the scattered test signal. The control device evaluates the received test signal. The test probe is designed in such a manner that a tissue specimen can be removed by it at the given location of the tissue. | 03-31-2011 |
| 20110065318 | COAXIAL PLUG-CONNECTOR PART WITH THERMAL DECOUPLING - The invention relates to a coaxial plug connector element comprising a metal union nut that is arranged in a rotatable manner on a metal outer conductor and can be screwed onto the external thread of the counter plug connector element. Means for the thermal decoupling of the plug connector element are provided on the inside of the device. | 03-17-2011 |
| 20110060784 | ARRANGEMENT FOR GENERATING POLY-PHASE SEQUENCES - The electronic circuit arrangement is used for generating poly-phase sequences as synchronization sequences and/or reference sequences in radio communications systems. It comprises a first adder, a first multiplier, a first register, a second register, a first counter and a trigonometry device. The first adder adds a value (k | 03-10-2011 |
| 20110058620 | METHOD FOR GENERATING MULTI-ANTENNA SIGNALS - The invention relates to a method for generating multi-antenna signals. Firstly, the propagation conditions between channel coefficients, which each describe one transmitter antenna and one receiver antenna, are generated. Furthermore, weighting factors are generated to weight signals to be transmitted via one transmitter antenna in each case. Taking the channel coefficients (h | 03-10-2011 |
| 20110053516 | TEST DEVICE FOR TESTING THE TRANSMISSION QUALITY OF A RADIO DEVICE - The invention relates to a test device for testing the transmission quality of radio devices by integrating a noise generating device in the transmission chain of the test device. To this end, data to be transmitted are imaged on individual partial data streams modulated onto signals associated with the partial data streams and having different carrier frequencies. At this point in the transmission chain, a noise proportion for at least a part of the signals is added to one signal each of a carrier frequency, in order to allow frequency-selective control of the noise proportions added to the signals of the carrier frequencies. The resulting noisy signals and non-noisy signals of the carrier frequencies are transmitted by a transmission device, and a response signal sent back by a radio device to be tested is received by a receiving device. An analysis device evaluates the received response signal. | 03-03-2011 |
| 20110050208 | CONFIGURABLE MEASURING DEVICE AND A CORRESPONDING MEASUREMENT METHOD - The measuring machine according to the invention has a display device ( | 03-03-2011 |
| 20110034164 | METHOD AND COMPUTER SOFTWARE PRODUCT FOR ANALYZING CELLULAR MOBILE-TELEPHONE NETWORKS - A method for analyzing cellular mobile-telephone networks includes determining a quality criterion for transmitters receivable at one location, specifying the best quality transmitter as a target transmitter, forming transmitter pairs from the target and one receivable transmitter, and testing for the pairs, whether the receivable transmitter of the pair is a possible active neighbor or potential interferer. The receivable transmitters provide a quality ranking, the testing of the pairs corresponds to the rank order and, in the case of a potential interferer marking, a distinction is made between a first type and a second type, and a first type marking is implemented if the receivable transmitter is not contained in the read in transmitter list made available by the provider and is identified as a potential interferer, and a second type marking is implemented if the receivable transmitter is contained in the list and is identified as a potential interferer. | 02-10-2011 |
| 20110031595 | MICROWAVE MODULE - In a microwave module with at least one semiconductor chip, which provides on its upper side a connecting-line structure formed in particular as a coplanar line, which is connected to at least one adjacent incoming and/or outgoing line structure formed on the upper side of the substrate, the chip is glued with its underside and all lateral surfaces, on which no high-frequency connecting lines lead to the chip, within a recess of a metal part with good thermal conduction. | 02-10-2011 |
| 20110019579 | METHOD FOR TESTING THE TRANSMISSION MODES OF A RADIO DEVICE - A method for determining a channel quality for the transmission of data in the channel by a test device. The test device transmits the data with the determined channel quality to a device to be tested which determines one or more pieces of decision information. The device to be tested forwards the piece(s) of decision information to the test device as a response signal and the test device reads the piece(s) of decision information from the response signal. The piece(s) of decision information from the response signal is/are uniquely attributed to a transmission mode to be adjusted. The initially determined channel quality is also uniquely attributed to an expected transmission mode. The expected transmission mode is compared with the transmission mode to be adjusted in a comparative unit in the evaluation unit, thereby allowing a statement regarding the correctness of the transmission mode to be adjusted. | 01-27-2011 |
| 20110007655 | METHOD FOR TESTING TRANSMISSION MODES OF A WIRELESS COMMUNICATION DEVICE - A method for testing transmission modes of a wireless communication device. According to the method, a switching range is determined in a parameter space in a test device. The parameter of the parameter space describes the quality of transmission and influences a recommendation for a transmission mode to be adjusted in a device to be tested. The switching range is a subspace of the parameter space and contains at least one switching limit for the recommendation for the subsequent transmission mode to be adjusted. In a further step, random parameter points from the switching range are generated depending on a probability distribution which is defined for the switching range. A signal is generated for every parameter point and has a transmission mode determined by the parameter point and is transmitted to the device to be tested. The device to be tested then transmits one response signal per received signal to the test device, the response signal containing a recommendation for a subsequent transmission mode to be adjusted. All recommendations from all received response signals are evaluated in the test device. | 01-13-2011 |
| 20110006793 | OSCILLOSCOPE PROBE - Disclosed is a probe ( | 01-13-2011 |
| 20100329314 | METHOD AND A DEVICE FOR TRANSMITTING AND RECEIVING SIGNALS WITH MODULATION COMPRESSION - A communications device includes a transmitter, a transmission processing device, a receiver, and a reception processing device. The transmission processing device assigns signal-space points within an I/Q signal space to digital signals, which include data values. The reception processing device assigns data values to signal-space points. The transmitter generates a transmission signal from signal-space points to be transmitted. The receiver determines received signal-space points from a received signal. The individual transmitted and received signal-space points provide in each case a smaller spacing distance from adjacent signal-space points than from the origin of the signal space. | 12-30-2010 |
| 20100318833 | METHOD FOR THE SECONDARY ERROR CORRECTION OF A MULTI-PORT NETWORK ANALYZER - A method for the error correction of a vectorial network analyzer, where a primary system calibration is initially implemented using a calibration kit. Following this, a first, secondary error correction is implemented on at least two one-port networks of the vectorial network analyzer. After this first, secondary error correction of the one-port networks of the vectorial network analyzer, a second, secondary error correction is implemented, where either two one-port networks are through-connected in an ideal manner or a measurement is implemented on a reciprocal two-port network. The corrected system-error values from the first, secondary error correction are used even in this further measurement, and overall, a high-precision, calibrated multi-port network analyzer is obtained. | 12-16-2010 |
| 20100316170 | Method and System for Bandwidth Detection - A method detects a bandwidth that is transmitted by a transmitter in a radio communications system, which is based on transmission frames. The transmission frames comprise a fixed time extension and a variable spectral extension. The transmission frames consist of a plurality of sub-units. Each sub-unit of the transmission frames contains a control channel, which is subdivided into two sub-control channels. The two sub-control channels are arranged at the spectral edges of the sub-units of the transmission frames. The transmitted bandwidth is investigated by determining the spectral extension of the transmission frame. The spectral extension of the transmission frame is determined by determining the spectral position of the sub-control channels in the sub-units of the transmission frames. | 12-16-2010 |
| 20100316106 | APPARATUS AND METHOD FOR DETERMINING AND REPRESENTING A SYNCHRONIZATION STATUS - A device and method for determining and displaying on a display element the status of at least one synchronization implemented in an electronic measuring instrument or a telecommunications device is provided. The device includes several functional units provided within the electronic measuring instrument or the telecommunications device, and each functional unit determines at least one parameter, the value of which corresponds to the status of the synchronization implemented in the respective functional unit. | 12-16-2010 |
| 20100315093 | POWER MEASUREMENT WITH A SIGNAL GENERATOR - A measuring system contains a signal generator and at least one power meter. A device under test is supplied with a signal from the signal generator. A signal output by the device under test can be measured by the first power meter. In this context, the signal generator and the power meter are connected by a bidirectional communications link. | 12-16-2010 |
| 20100314167 | COAXIAL LINE WITH SUPPORTING RINGS - Within a coaxial line, the supporting rings are injection-molded directly onto the inner conductor using synthetic-material injection technology. Furthermore, a circumferential gluing groove, by means of which the supporting ring is glued in the outer conductor through the introduction of glue, is formed on the outer circumference of the supporting ring. | 12-16-2010 |
| 20100310083 | ELECTRONIC DEVICE WITH NOISE-SUPPRESSION SYSTEM - An electronic device with at least one ventilator unit and at least one housing part with at least one ventilation opening. The electronic device includes a noise-suppression system with at least one microphone for registering noise vibrations for the output of vibration signals. The noise-suppression system further includes at least one processor unit for the reception of the vibration signals, for the determination of control signals dependent upon the vibration signals and for the output of the control signals. The noise-suppression system furthermore includes at least one electro-mechanical converter for the reception of the control signals and for the application onto the housing part of forces corresponding to the control signals and for the targeted formation of the housing-part vibrations. | 12-09-2010 |
| 20100305894 | METHOD AND DEVICE FOR DETERMINING THE FREQUENCY DISTRIBUTION OF THE SIGNAL LEVELS OF A MEASURED SIGNAL MEASURED IN OVERLAPPING OBSERVATION INTERVALS - A method for determining the frequency distribution of the signal level of a measured signal measured respectively in overlapping observation intervals via a time or frequency raster. The method includes determining the incrementation of a memory cell in a first memory to be implemented for each measured signal level of the measured signal at a value of the time or frequency raster, and un-delayed summation of the incrementation determined for every memory cell of the first memory in every measurement cycle. The method also includes delayed summation of the incrementation determined for every memory cell of the first memory in every measurement cycle, and subtracting the result of the delayed summation of the incrementation determined for every memory cell of the first memory in every measurement cycle from the result of the un-delayed summation of the incrementation determined for every memory cell of the first memory in every measurement cycle. | 12-02-2010 |
| 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 |
| 20100301960 | Method and Arrangement for Generating a Frequency-Modulated Signal - In order to generate a broadband, frequency-modulated output signal, of which the carrier frequency is adjustable within a wide frequency range, a frequency-modulated signal is generated on an arbitrary, fixed carrier frequency, which is then converted into IQ signals, and the IQ signals generated in this manner are combined with the desired carrier frequency by IQ modulation to form the frequency-modulated output signal. By preference, the generated IQ signals are low-pass filtered before the IQ modulation. | 12-02-2010 |
| 20100289477 | MEASURING DEVICE AND MEASURING METHOD FOR MEASURING THE ENVELOPE POWER AND THE MEAN-POWER VALUE - A measuring device for measuring the envelope power and the mean-power value of a high-frequency signal. The measuring device includes a detector for detecting the high-frequency signal and for generating an analog detector signal, an analog/digital converter for generating a digital signal and an evaluation device for evaluating the digital signal. A dither supply device for the supply of a dither signal is disposed between the detector and the analog/digital converter, and a dither elimination device for eliminating the dither signal is disposed between the analog/digital converter and the evaluation device. The dither supply device supplies a different dither signal for the measurement of the envelope power than for the measurement of the mean-power value. | 11-18-2010 |
| 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 |
| 20100274516 | ARRANGEMENT FOR DETERMINING THE OPERATIONAL PARAMETERS OF A HIGH-FREQUENCY POWER AMPLIFIER - In order to determine various operational parameters of a power amplifier (for example, a complex load impedance or a complex forward and return power or a reflection factor or a voltage standing wave ratio) on a connecting line between an output of the power amplifier and a complex load, complex analog forward and return voltages on the connecting line are determined by an analog coupling device. These analog voltages are digitized and converted down into a baseband by one or more digital down-converters. From these digital values corresponding in absolute value and phase to the complex forward and return voltages and present in the baseband, desired operational parameters may then be calculated by a computer. | 10-28-2010 |
| 20100271267 | ANTENNA COUPLER - An antenna coupler for testing a mobile-radio device with a coupling element formed in a flat manner by strip conductors on a printed-circuit board and with a retaining device formed on a first side of the printed-circuit board for positioning a mobile-radio device in the vicinity of the coupling element. On the first side of the printed-circuit board, at least one slit structure is introduced into an ground metallization formed there. For feeding the slit structure serving as the coupling element, at least one stripline formed on the second side facing away from it forms a microstripline with the ground metallization remaining between the slit structure of the first side. | 10-28-2010 |
| 20100254449 | METHOD AND DEVICE FOR CONTINUOUS ADAPTATION OF CODING PARAMETERS TO A VARIABLE USER-DATA RATE - A method and a device for continuous adaptation of coding parameters to a variable user-data rate of a datastream composed of data frames. Data packets and ensembles are received and associated with services for mobile receivers. The transmission requirement of the next ensemble is determined based on the buffered data packets. Optimized coding parameters for the ensemble in the next data frame are then determined based on certain factors, such as the transmission requirement for the uncoded ensemble and the determined transmission capacity. | 10-07-2010 |
| 20100248641 | TEST EQUIPMENT AND MOBILE RADIO DEVICE AND A METHOD FOR TESTING A MOBILE RADIO DEVICE - The invention relates to a method for testing a mobile radio device comprising at least one first antenna ( | 09-30-2010 |
| 20100240254 | PLUG-IN CONNECTOR COMPRISING A MODIFIED INSULATOR DUCT FOR SHIELDING ELECTROMAGNETIC RADIATION - A plug-in connector ( | 09-23-2010 |
| 20100238916 | METHOD FOR IMPROVING THE DATA RATE OF MOBILE/HANDHELD DATA AND THE QUALITY OF CHANNEL ESTIMATION IN AN ATSC-M/H TRANSPORT DATA STREAM - A method for improving the data rate of data for M/H receivers and for improving the quality of channel estimation in an ATSC-M/H transport data stream marks the transport data packets determined for the transmission of data for M/H receivers in N (e.g., 38) consecutively transmitted transport data packets in an ATSC-M/H-slot of the uncoded ATSC-M/H transport data stream originally determined for the transmission of data for stationary receivers. Coded data for M/H receivers are inserted in the marked transport data packets and introduce training sequences in segments of data fields of the coded ATSC-M/H transport data stream containing marked transport data packets. | 09-23-2010 |
| 20100233964 | TEST SYSTEM FOR A CIRCUIT CARRIER - A test system for analyzing a circuit carrier which has been populated with a radio-frequency structure comprises a network analyzer having a signal generator for generating excitation signal which can be supplied to the radio-frequency structure via a signal line, an evaluation device for analyzing a measurement signal which returns from the radio-frequency structure, and a contact device which can be connected to the signal line and is intended to feed the excitation signal into the radio-frequency structure and to output the measurement signal. The contact device preferably has a measuring tip which is intended to hold test needles and can be used to make contact with a test point which is arranged on the circuit carrier and can be connected to the radio-frequency structure for signaling purposes. | 09-16-2010 |
| 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 |
| 20100210260 | METHOD FOR TESTING THE ALLOCATION OF A TRANSMISSION FREQUENCY, TESTER AND BASE STATION - A method for testing an assignment through a base station of transmission frequency(ies) from a total number of frequencies is provided. The method includes transmission of data-signal portion(s) on assigned frequency(ies) with a signal power and a phase position, and transmission of test-signal portion(s) on non-assigned frequency(ies), where respective test-signal portion for respectively one frequency or one frequency block with several frequencies is transmitted with an individually-adjusted transmission power and phase position for each frequency or each frequency block, which differ from one another. The method includes reception of test-signal portion(s) with non-assigned frequency(ies), evaluation of signal powers and/or phase positions for test-signal portions in an individual manner for non-assigned frequencies and/or frequency blocks and evaluation of signal power and/or phase position of the assigned frequency, determination of a frequency or a frequency block to be assigned and return of an assignment signal, and comparison with an anticipated value. | 08-19-2010 |
| 20100207710 | Electrical Circuit Arrangement with Concentrated Elements in Multi-Layer Substrates - An electrical circuit arrangement provides a substrate and at least two conductive surfaces. The substrate comprises at least one layer disposed between the conductive surfaces. The conductive surfaces form a capacitor and overlap in part and form an overlapping area. In the event of a displacement of the conductive surfaces relative to one another, the resulting overlapping area is largely constant up to a threshold value of the displacement. | 08-19-2010 |
| 20100207674 | METHOD FOR SYNCHRONIZING A PLURALITY OF MEASURING CHANNEL ASSEMBLIES AND/OR MEASURING DEVICES, AND APPROPRIATE MEASURING DEVICE - A method and a measuring device for synchronizing measuring channel assemblies are provided. A reference signal is produced by a reference signal source. The reference signal is supplied to the individual measuring channel assemblies of the measuring device. A clock signal generator is used to produce a clock signal at a low frequency, the clock signal generator being connected to each measuring channel assembly by a respective connecting line of the same length. The clock signal is supplied through a phase corrector element for the purpose of correcting the phase of the reference signal in each measuring channel assembly to the phase of the clock signal. | 08-19-2010 |
| 20100204956 | METHOD FOR PRESENTING MEASURED RESULTS FROM A NETWORK ANALYSER WITH A SIMULTANEOUS TOLERANCE DISPLAY - A method for determining measurement uncertainty of measured values of a network analyser. For every measured value of a respectively-selected measurement type, the measurement uncertainty is calculated in an internal computer of the network analyser according to modulus and/or phase and displayed together with the respective measured value. Data required for this computation, which result directly from properties and an operating mode of the network analyser, are stored in databanks allocated to the internal computer and are therefore directly accessible to the internal computer, and only data from additionally-used measurement resources, which differ from the data already stored in the databanks, are entered externally into the databanks, where they are set off against the originally-stored data and included as new data in the calculation of the measurement uncertainty. | 08-12-2010 |
| 20100204943 | METHOD AND DEVICE FOR THE CALIBRATION OF NETWORK ANALYZERS USING A COMB GENERATOR - A vectorial network analyzer including n test ports. With the connection of several different calibration standards to the test ports, several calibration measurements are implemented. For the calibration, different measurements are implemented. Initially, in n calibration measurements, a comb-generator signal is supplied via a direct connection successively to all n test ports. Using a measuring point at the output of the comb generator and the measuring point associated with the respective test port, phase measurements are implemented at all of the frequencies forming the comb-generator signal. A frequency-dependent phase offset is determined from the phase measurements. Moreover, in at least one measurement, all n test ports are terminated successively in each case using known, input impedances, identical within one measurement, of arbitrary transmission properties, wherein successively, all n test ports are excited using a transmission oscillator successively with all frequencies of the comb-generator signal. | 08-12-2010 |
| 20100204941 | METHOD AND DEVICE FOR CALIBRATING A NETWORK ANALYZER FOR MEASURING AT DIFFERENTIAL CONNECTIONS - A method for calibrating vectorial network analyzers, which provide exactly n test ports, for the testing of electrical components with differential connections, where several calibration measurements are implemented, and where several different calibration standards are connected to the test ports. In the method, n is a positive integer greater than 1, and exactly one arbitrary test port is used as a reference test port. The following measurements are implemented for the calibration: (n−1) calibration measurements, where the reference test port is connected to every further test port respectively in its own calibration measurement by direct connections or short matched lines of known reflection, length and attenuation, one calibration measurement where all n test ports are terminated by respectively known input impedances of arbitrary transmission properties, and one calibration measurement where all n test ports are terminated by unknown, respectively-identical, reflecting terminations. | 08-12-2010 |
| 20100197299 | METHOD FOR TESTING A MOBILE RADIO DEVICE - A reproducible method for testing mobile radio devices in different tolerant test modes by generating an instruction sequence that can be programmed or that can be obtained from measurement data, for controlling a protocol test that simulates a mobile radio network and that sends signals to the mobile radio device and tolerates allowable deviations of the received response signals of the mobile radio device according to mobile telephony standards in the tolerant mode while keeping a protocol of the unacceptable deviations as errors, and that terminates the test upon ever deviation in the strict mode and outputs the protocol on an output device once the test is finished. | 08-05-2010 |
| 20100190451 | METHOD FOR TESTING A MOBILE-RADIO DEVICE - A method for testing a mobile-radio device is provided. The method includes determination of information regarding at least one real mobile-radio network using a measuring device, and additionally and independently using a mobile-radio device. The method further includes analysis of the information, received through the measuring device and through the mobile-radio device, regarding the mobile-radio network using an analysis device, analysis of all signals incoming to and respectively outgoing from the mobile-radio device using an analysis device, conversion of the information into an instruction sequence, and simulation of the real mobile-radio network through the implementation of at least a part of the instruction sequence by the test device. | 07-29-2010 |
| 20100177813 | Evaluation of the Feedback Quality in Communications Systems - A measuring system is used for testing a feedback signal transmitted by a communications device within a communications system. The measuring system comprises an antenna system and a measuring device. The measuring device transmits a signal to a communications device via the air interface and the antenna system. The communications device receives the signal and generates a feedback signal dependent upon transmission conditions of the signal, which it has determined, and transmits it to the measuring device. The measuring device measures the actual reception quality of the signal in the communications device. In this context, the measuring system implements the following stages: | 07-15-2010 |
| 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 |
| 20100174843 | SYSTEM AND METHOD FOR OPERATING A BUS SYSTEM - A bus system for the real-time communication of a superordinate unit with one or more subordinate units is used for exchanging address and data information via a bus. For the rapid exchange of messages, further fields are provided between the fields for the address and data information. | 07-08-2010 |
| 20100173591 | METHOD AND DEVICE FOR ALTERNATELY ALLOCATING BASE-STATION SIGNALS TO A LIMITED NUMBER OF CHANNELS OF A TEST DEVICE - A method for testing a mobile radio device in a real test scenario, using a test device in which signal sequences, typical of mobile telephony, of a plurality of base stations are produced. The signal sequence of one base station each is allocated to one of the plurality of send/receive channels of the test device. The signal sequence of at least one of the plurality of base stations is alternatively allocated to at least one of the plurality of send channels of the test device and the signals sent back from the mobile device to be tested are evaluated. | 07-08-2010 |
| 20100161265 | 9-TERM CALIBRATION METHOD FOR NETWORK ANALYZERS - A network analyzer contains a processing device, at least one signal generator and at least four measuring points. The processing device controls the signal generator and processes measured values picked up from the measuring points. The network analyzer implements several calibration measurements on calibration standards, before it implements measurements on a device under test. The network analyzer implements the calibration measurements using the measuring points. The processing device determines error matrices on the basis of the results of the calibration measurements. The network analyzer implements measurements on the device using simultaneously, exactly three measuring points. The processing device determines measured values in each case of a fourth measuring point on the basis of the calibration measurements and the measured values of the three measuring points. The three measuring points belong to the set of the at least four measuring points, at which the network analyzer implements the calibration measurements. | 06-24-2010 |
| 20100141361 | COAXIAL-COPLANAR MICROWAVE ADAPTER - In a microwave transition from a coaxial line ( | 06-10-2010 |
| 20100141308 | METHOD AND DEVICE FOR CLOCK-DATA RECOVERY - A method for the recovery of a clock signal from a data signal is provided where the edges of the signals are each represented as a chronologically-ordered sequence of timing points. In one procedural stage, a plurality of timing points of the data signal are processed in parallel as follows: resolving the timing points of the data signal by a nominal clock pulse; estimating the bit-period deviations for the adjusted timing points; and injecting the nominal clock pulse to the estimated bit-period deviations. | 06-10-2010 |
| 20100141305 | Method For Carrying Out A Frequency Change - The invention relates to a method for carrying out a frequency change whilst retaining the phase relationship between several devices, in particular, network analyzers. Each device has at least one signal generator for stimulating an object for measurement and at least one local oscillator, connected to at least one mixer, for receiving a measuring signal obtained from the object for measurement by the superposition principle. On changing frequency, in a first step, only the frequency of the local oscillators of all devices is changed and the frequency of the signal generators of all devices remains unchanged. In a second step, only the frequency of at least one signal generator is changed and the frequency of the local oscillators of all devices remains unchanged. | 06-10-2010 |
| 20100141239 | Secum-Trahenz Method, Especially for a Network Analyzer - The invention relates to a method for measuring objects for measurement, by means of a network analyzer with several measurement ports, at least one signal generator, for stimulating the object for measurement and at least one local oscillator, for measurement of the signal transmitted or reflected from the object for measurement by the superposition principle. According to the invention, on a frequency change, only the frequency of the local oscillator or the frequency of the signal generator is changed but not the frequency of the local oscillator and the signal generator simultaneously. | 06-10-2010 |
| 20100128765 | Communications System and Method for the Adaptation of Transmission Parameters on the Basis of Reliability Information of Reconstructed Data - A communications system provides a first communications device, which is connected via a bidirectional transmission channel to a second communications device, wherein the communications devices each comprise a data reconstruction unit. Each communications device comprises a control unit, which is provided for a configuration of various transmission parameters such as modulation type and/or code rate and/or transmitter power and/or size of data packets dependent upon a reliability value evaluated within the control unit. The reliability value indicates a probability for a reliability or a quality of a data reconstruction, which reconstructs transmitted data from received signals within the data reconstruction unit. | 05-27-2010 |
| 20100121597 | Method for Determining Time Differences Between Signals Measured by at Least Two Coupled Measuring Devices and Measurement System and Corresponding Switching Device - The invention relates to a method and to a switching device ( | 05-13-2010 |
| 20100120416 | METHOD FOR GENERATING A SIGNAL TRAIN WHICH CAN BE PLAYED BACK ON A TESTER FOR TESTING A MOBILE RADIO - The invention relates to a method for generating a signal train which can be played back on a tester for testing a mobile radio. First, a given command sequence is analyzed in respect of a signal train generated therefrom by the tester. The signal train which results from the command sequence is checked by comparing it with a standard-compliant signal train. Discrepancies between the standard-compliant signal train and the signal train resulting from the command sequence are detected and the necessary changes to the command sequence to generate a standard-compliant signal train are ascertained. In line with the necessary changes detected, commands or command sequence sections are supplemented and/or replaced. In this way, a command sequence which can be played back is generated and output. | 05-13-2010 |
| 20100118993 | METHOD AND DEVICE FOR DETERMINING AN UNABBREVIATED CHANNEL-IMPULSE RESPONSE IN AN OFDM TRANSMISSION SYSTEM - A method and a device for determining an unabbreviated channel-impulse response in an OFDM transmission system, of which the duration is greater than the length of the guard interval, estimates the channel-transmission factor at frequency-time positions of a relatively-coarse frequency-time raster, interpolates the channel-transmission factor at frequency-time positions of a relatively-fine frequency-time raster and calculates the unabbreviated channel-impulse response by means of inverse Fourier transform from the estimated or interpolated values of the channel-transmission factor at the frequency-time positions of the relatively-fine frequency-time raster. In this context, estimated values of the channel-transmission factor optimized at the individual frequency-time positions of the relatively-fine frequency-time raster are determined from received symbols and from transmitted symbols estimated by means of decision from the received symbols. | 05-13-2010 |
| 20100111109 | METHOD AND SYSTEM FOR SYNCHRONIZED MAPPING OF DATA PACKETS IN AN ATSC DATA STREAM - Mapping data packets of a first data stream into data fields of a second data stream at several transmitters is provided by generating a first data stream with first data packets containing data associated with stationary receivers and second data packets containing data associated with mobile receivers in a head-end, where second data packets at the start of a group of consecutively transmitted second data packets contain placeholders into which signaling information is filled. A first data stream is transmitted from the head-end to each transmitter. Each transmitter extracts signaling information from the second data packets indicating in which data slot and in which data sub-frame of a received data frame the second data packet is transferred. Each transmitter inserts synchronization data in a specific data packet in each data slot containing second data packets. The first and second data packets are mapped consecutively into the second data stream. | 05-06-2010 |
| 20100109797 | HIGH-PERFORMANCE COUPLER - A high-load coupler with a first input port, which is connected via a first stripline to an output port, and with at least one second input port, which is connected to an absorber, which provides at least one second stripline, a coupling portion and a connection portion. The at least one second input port is connected via at least one second stripline directly to the absorber. The at least one second stripline is designed as a middle conductor of a triplate line and the absorber is disposed on a thermally-conductive surface of a cooling-medium pipe. The cooling-medium pipe is connected to one housing half. | 05-06-2010 |
| 20100105234 | COAXIAL PLUG FOR CONNECTING TO A BNC COAXIAL SOCKET - The invention relates to a coaxial plug for connecting to a high-frequency transmission line. The housing of the coaxial plug has two slits arranged opposite each other, extending from the plug-side end in the axial direction, and both arranged and designed to form an axial abutment for receiving a BNC pin. A latching fork is arranged on the housing with two latching prongs tangentially overlapping an axial slit of the housing. between the abutment and the plug-side end Each BNC pin is held between a latching prong and an abutment of the axial slit, creating a locked connection between the coaxial plug and the BNC coaxial socket. The latching fork is pivotably arranged between a locking position in which the latching prongs tangentially overlap the axial slits, and a clearing position in which the latching prongs clear the axial slits over the entire length thereof. | 04-29-2010 |
| 20100100340 | Multi-Path Power Meter with Amplifier - A power meter comprises at least two measurement paths and distribution device. A first measurement path contains at least one pre-amplifier and a first detector. A second measurement path contains at least one direct connection and a second detector. An additional third path alternative to or optional to the second path contains at least one attenuation element and a second or respectively third detector. The distribution device distributes a test signal to the measurement paths. | 04-22-2010 |
| 20100085489 | Methods and Apparatus for Generating a Transport Data Stream with Image Data - A transport data stream is generated by generating a data stream of successive second data frames with a GOP structure for each program containing image data of an image of an image sequence recorded digitally and belonging to the respective program by a source encoder. The transmission start, transmission period and transmission time are determined. At the start of first data frames, second data frames realized as P-frames or B-frames to be transmitted are replaced by second data frames realized as I-frames in each of the data streams belonging to a program and each first data frame of the transport data stream is packed with second data frames of data streams belonging in each case to one program whose transmission time fits the transmission start and the transmission period of the respective first data frame by means of a multiplexer. | 04-08-2010 |
| 20100079958 | TRANSISTOR CLAMPING DEVICE - A transistor-clamping device for a transistor is provided with a holding block and a spring. The holding block engages over the transistor, so that the spring is pre-tensioned. A pressure plate is provided between the holding block and the transistor. The spring fixes the pressure plate on the transistor, so that a uniform pressure is applied to the transistor via the pressure plate, and, at the side facing away from the pressure plate, the latter accordingly provides a good thermal conduction to a cooling element. | 04-01-2010 |
| 20100076718 | METHOD AND DEVICE FOR TRIGGERING A RECORDING OF A MEASURED SIGNAL - A device for triggering a recording of a measured signal dependent upon at least one triggering event identifiable in a frequency distribution of parameter pairs from two mutually-dependent parameters of the measured signal includes a discriminator for the identification of triggering events in each case with one frequency (NofTreffer) determined for the respective parameter pair and, in a first embodiment, disposed outside, and in a second embodiment, disposed inside, an upper and lower threshold value (UpperNofTreffer, LowerNofTreffer) associated with the respective parameter pair and for marking each occurring triggering event with the assistance of an activated first trigger marker (TrigMerk | 03-25-2010 |
| 20100067570 | Method and Device for Detecting Simultaneous Double Transmission of AM Signals - A device that detects the presence of several amplitude-modulated high-frequency signals in a sum signal with closely-adjacent carrier frequencies. The sum signal is phase-demodulated by a phase demodulator and Fourier-transformed by a Fourier-transformation device. On the basis of the Fourier transform, the presence of several carrier frequencies is determined by an evaluation device. | 03-18-2010 |
| 20100056180 | METHOD AND DEVICE FOR DETERMINATION OF THE POSITION OF A TERMINAL IN A MOBILE COMMUNICATION NETWORK - A method for improved determination of the position of a user device in a mobile-radio network is provided. In combination with adjacent, second user devices, the method is intended to achieve a relatively-accurate positioning even if only a relatively-inaccurate positioning method is available for the user device itself, especially if the latter is disposed inside a building. An absolute position of a second user device is determined with a first position-determining method. A relative position of the first user device relative to the second user device is then determined with a second position-determining method. Finally, the absolute position of the first user device is determined on the basis of the absolute position of the second user device and the relative position of the first user device relative to the second user device, wherein the first and the second position-determining methods are different methods. | 03-04-2010 |
| 20100052695 | SWITCHING DEVICE - The invention relates to a switching device for the alternate connection of at least one first test port or of a second test port to a measuring-device connection, where the measuring-device connection provides at least one test-signal input. The test-signal input is connected to a first signal path and to a second signal path, where the first signal path is connected alternately to the first or to the second test port, and the second signal path is connected at least to the respectively other test port. | 03-04-2010 |
| 20100048143 | Method and Device for Measuring Phase Noise - A method and a device for measuring the phase noise of a signal registers the measurement signal (V) with a given measurement frequency (f | 02-25-2010 |
| 20100045260 | METHOD AND DEVICE FOR DIGITAL TRIGGERING OF A MEASUREMENT SIGNAL HAVING A SUPERIMPOSED NOISE SIGNAL - A method for digital triggering of a digital recording of a digitized measurement signal having a superimposed noise signal. The method includes generating from the digitized measurement signal a digital triggering signal for the digital triggering of the digital recording of the measurement signal, and performing band-limitation of the noise signal superimposed on the digitized measurement signal via a low-pass filtering before the digital triggering signal is generated. The bandwidth of the low-pass filtering is adjusted dependent upon edge steepness of the measurement signal, in order to reduce variance σ | 02-25-2010 |
| 20100030517 | METHOD AND DEVICE FOR THE DETERMINATION OF A STATISTICAL MEASUREMENT VALUE - A method and a device for determining a statistical parameter for all frequencies of a frequency distribution of signal levels of a test signal registered respectively in several observation intervals counts the frequency of the signal level of the test signal measured in each case within the respective signal-level range and at the respective value of the time or frequency raster of the frequency distribution from new within every observation interval, and buffers it for display on a display device. After every observation interval, for every signal-level range and every value of the time or frequency raster of the frequency distribution, the respective statistical parameter from the respective, newly-buffered frequency and all respective frequencies measured and buffered at earlier observation intervals is determined and buffered. | 02-04-2010 |
| 20100030464 | Route Finding System and Method Having a Route Option for Avoiding Hazardous Turning Maneuvers - A route finding system has a map database containing node data and edge data, wherein nodes represent points on a route and edges represent the connections between the nodes. A route search system determining an optimal route according to prescribed route parameters, wherein a route comprises at least one partial route, and a partial route comprises at least one edge, considers the difficulty of the partial routes during route finding. The abilities of the user and/or a user selection determine the influence of the difficulty of the partial routes on the route obtained during route search. Difficult partial routes are characterized by the necessity of carrying out difficult maneuvers, particularly turning maneuvers and/or crossing maneuvers, to complete the partial route. | 02-04-2010 |
| 20100027782 | Device and Method for Processing Datastreams - The invention relates to a device for processing datastreams in a communications unit with two mutually-separate data-processing regions, which provide at least two separate message paths. The message paths are connected respectively to a message transmitter and a message receiver, wherein, in each message path, an encoding module is provided, which is connected both to a first data-processing region and also to a second data-processing region. Furthermore, in the second data-processing region, a distribution unit is provided, which is connected to the message paths of the first data-processing region and to all encoding modules of the corresponding message paths in order to distribute given messages in a targeted manner. | 02-04-2010 |
| 20100011240 | DEVICE AND METHOD FOR SYNCHRONIZING THE STATES OF A PLURALITY OF SEQUENTIAL PROCESSING UNITS - A device for providing a plurality of clock signals from a common clock signal. The device includes an input for receiving the common clock signal, a first clock signal path for providing a first output clock signal on the basis of the common clock signal and a second clock signal path for providing a second output clock signal. The second clock signal path includes a clock processing device for changing a phase of the common clock signal to provide the second clock signal. | 01-14-2010 |
| 20100007329 | DEVICE AND METHOD FOR THE ANALYSIS OF A MEASURED SIGNAL TRANSMITTED VIA A MULTI-CHANNEL SYSTEM - A device, in particular, a multi-channel oscilloscope, for the analysis of at least one measured signal transmitted via a multi-channel system, with several measurement channels. The device includes in each case a sampling device, a baseband mixing device, and a filter device, and an analysis device. The measured signal is supplied to the measurement channels and to the respective sampling devices for simultaneous sampling. The sampled measured signal is supplied to the baseband mixing devices connected downstream of the sampling devices for the mixing of the measured signal down into the baseband, to the filter devices connected downstream of the baseband mixing devices for the decimation of the sampled values of the measured signal in the baseband and to the analysis device connected to the filter devices for the analysis of the measured signal. | 01-14-2010 |
| 20100002906 | DEVICE AND METHOD FOR ANALYSIS OF SIGNAL CHARACTERISTICS WITH THE USE OF MASKS - An analysis device for analyzing a signal characteristic with the use of a mask. The analysis device includes a buffer device for the provision of a signal-image address of a signal-image point of a signal image and for the provision of a mask-image address of a mask-image point of a mask image and a comparison device for the comparison of the signal-image address and the mask-image address. | 01-07-2010 |
| 20100001780 | Device and Method for High Resolution Time Measurements - The invention relates to a device for determining the temporal position of an analogue trigger signal with relation to an analogue clock signal, comprising an analogue cross-correlator ( | 01-07-2010 |
| 20090323729 | APPARATUS, SYSTEMS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR PRODUCING A SINGLE FREQUENCY NETWORK FOR ATSC MOBILE / HANDHELD SERVICES - Producing coherent symbols from a plurality of digital RF transmitters is achieved by selecting data bytes corresponding to mobile-handheld encapsulation (MHE) packets and setting trellis coders to a predetermined state when a predetermined number of bits of the data bytes enter a corresponding trellis coder. | 12-31-2009 |
| 20090284349 | Method for Tamperproof Identification of Individual Electronic Sub-Assemblies - A method for tamperproof identification of individual electronic sub-assemblies determines the state changes of specific memory cells of the memory resulting from a specific interruption of one or more auxiliary functions of a memory of an individual electronic sub-assembly and compares them with respect to identity with predetermined memory-characteristic reference state changes of specific memory cells of the memory resulting from the specific interruption of the auxiliary function of the memory of the electronic sub-assembly. | 11-19-2009 |
| 20090276177 | NETWORK ANALYZER, NETWORK ANALYZING METHOD, PROGRAM, AND RECORDING MEDIUM - Errors of a measuring system are corrected by acquiring the phases of transmission tracking errors. A network analyzer includes a measuring system error factor recording unit which records measuring system error factors generated independently of frequency conversion carried out by a DUT, and an error factor acquiring unit which measures first coefficients and second coefficients of a correction mixer where a signal output from a terminal is a sum of a product of a signal input to the terminal and the first coefficient, and a product of a signal input to the other terminal and the second coefficient, and the ratio of magnitudes of the second coefficients is constant, and acquires the transmission tracking errors caused by the frequency conversion based on the measuring system error factors recorded in the measuring system error factor recording unit, the first coefficients, and the second coefficients. | 11-05-2009 |
| 20090274203 | Measuring Method and Device for Evaluating an OFDM-Multi-Antenna Transmitter - A method provides for evaluating the power performance of an OFDM multi-antenna transmitter, wherein a sum signal formed according to the WiMAX standard and transmitted from the multi-antenna transmitter, which represents a superposition of a preamble transmitted signal from a preamble transmit antenna of the multi-antenna transmitter and of at least one transmitted signal from a further transmit antenna of the multi-antenna transmitter, is transmitted via a transmission channel. A test receiver is phase-synchronized relative to the preamble transmit antenna on the basis of a preamble of the preamble transmitted signal, and a relative phase error between the transmitted signals is determined on the basis of a modulation method used for the transmission channel, the preamble and the error-vector magnitude (SEVM) calculated from the sum signal. A device for implementing the method is also provides. | 11-05-2009 |
| 20090265126 | MEASURING DEVICE FOR A PREVIEW DISPLAY OF SEVERAL TIME-VARIABLE ELECTRICAL SIGNALS - A measuring device for displaying several time-variable electrical signals. The measuring device includes a front panel, which provides various operating elements, with a screen, which provides several display fields. The first display field provides at least one window, which corresponds to a given measurement channel, where the time-variable electrical signal is presented in this first display field and can be switched as a maximized display to the second display field. For each signal presented in maximized format in the second display field, a status field is then displayed in the corresponding first display field. | 10-22-2009 |
| 20090264016 | Coaxial Connector Piece - In a coaxial plug-connector part with a cap nut, which is disposed rotatably and in an axial force-fit manner on the outer-conductor and which can be screw-connected, in order to generate the contact pressure between the outer-conductor butting contact surfaces of the plug connector, with an external thread of the counter plug-connector part, the frictional torque of the axial force-fit between the cap nut and the outer-conductor is selected to be smaller than the frictional torque between the outer-conductor butting contact surfaces of the plug connector. | 10-22-2009 |
| 20090259439 | METHOD AND SYSTEM FOR THE DETECTION AND/OR REMOVAL OF SINUSOIDAL INTERFERENCE SIGNALS IN A NOISE SIGNAL - A method for removing sinusoidal interference signals from a noise signal. The method includes transforming a measured signal (x(t), x(μ·Δt)), which is composed of a limited number of sinusoidal interference signals (A | 10-15-2009 |
| 20090252266 | Arrangement for Synchronizing High-Frequency Transmitters of a Common-Wave Network - An arrangement for synchronizing a transmission time of a digital data stream in individual high-frequency transmitters of a common-wave network operating according to an ATSC standard and transmitting identical data at an identical frequency. The stream generated in a master station is supplied to the transmitters as a periodic succession of data frames, and a setpoint transmission time is calculated in the transmitters from a synchronizing time stamp inserted into the data frames within the master station and from a time reference used in the master station and transmitters, while the transmission of the frames by the transmitter is determined by a system clock in the transmitters. The setpoint transmission time is compared with the actual transmission time determined by the clock, and the clock frequency is regulated by a regulating circuit so that the actual transmission time determined by the clock corresponds with the calculated setpoint transmission time. | 10-08-2009 |
| 20090222771 | ADAPTABLE MEASURING DEVICE AND METHOD FOR ADAPTATION - A measuring device providing a display device. The operation of the measuring device can be adapted by a user. In this context, operation includes the input and output of parameters in dialogs and the switching between dialogs. The display device displays the dialogsand can display several dialogs simultaneously. The input of given values in given dialogs effects the opening and/or closing of at least one respectively associated further dialog. The content and/or the position and/or the form and/or the linking of the dialogs are adapted. The operation of the measuring device is functional during the adaptation. Exclusively the currently-displayed dialogs are adaptable. | 09-03-2009 |
| 20090210180 | ARRANGEMENT FOR DETERMINING THE OPERATIONAL PARAMETERS OF A HIGH-FREQUENCY POWER AMPLIFIER - In order to determine the operational parameters of a high-frequency power amplifier ( | 08-20-2009 |
| 20090209249 | Method and System for Transmission and/or Reception Calibration of Mobile-Telephone Devices - The invention relates to a method and system for calibrating the transmission and/or reception of at least one mobile radio device wherein a respectively defined number of test signal reference level values in predetermined for the mobile device(s) for a specific number of frequencies of a test signal. The mobile radio device(s) track(s) the real generated and measured level values of the test signal to the respectively associated reference values of all tracings of the real received level values to the associated reception reference values are directly sequential by virtue of full specification of all frequencies and reference level values associated with each frequency to the mobile radio device(s) prior to the beginning of all measurements. | 08-20-2009 |
| 20090206947 | Directional Coupler - In a directional coupler with two coupled lines arranged in a flat chamber of an enclosed metal housing within the coupling region side-by-side in the longitudinal direction and at a spacing distance from one another, of which the ends are connected to connecting ports attached at the sides of the metal housing, these coupled lines include flat, sheet-metal strip conductors, which are arranged within the coupling region with their broad sides facing towards one another side-by-side at a spacing distance and held by several support elements made of insulating material in a cantilever manner at a spacing distance from the opposing internal walls of the flat metal-housing chamber within the latter. In this context, at least one strip conductor is curved relative to the opposing strip conductor in such a manner that the spacing distance of the strip conductors in coupling region increases starting from the beginning of the coupling region approximately exponentially up to the end of the coupling region. The width of the two strip conductors increases within the coupling region. | 08-20-2009 |
| 20090201183 | DEVICE FOR THE PARALLEL-SERIAL CONVERSION OF SEVERAL SIGNAL PARAMETERS EACH DETECTED BY A DETECTOR - A device for parallel-serial conversion of several evaluation parameters determined respectively by a detector from detected signal values. The device includes a primary buffer memory for the synchronized buffering of each determined evaluation parameter, a synchronization unit for the generation of a synchronization signal for the synchronized buffering and a unit for the serial readout of the evaluation parameters stored in a synchronized manner in the primary buffer memory. A synchronization signal generated by the synchronization unit is derived from a release signal which provides the highest data rate of all the release signals associated respectively with the determined evaluation parameters. | 08-13-2009 |
| 20090193487 | APPARATUS, SYSTEMS AND METHODS FOR PROVIDING ENHANCEMENTS TO ATSC NETWORKS USING SYNCHRONOUS VESTIGIAL SIDEBAND (VSB) FRAME SLICING - Systems, methods, apparatus and computer program products are provided for signaling to a receiver an availability of a service and a deterministic mapping of a service content corresponding to the service. A modulator receives a digital signal and generates a data frame from the digital signal, where the data frame is divided into segments, where at least one grouping of the segments contains the service content. The modulator modulates at least one grouping in accordance with the deterministic mapping. A receiving device receives a digital signal containing the availability of a service, the deterministic mapping corresponding to the service, and the service content, and performs an operation on the service content in accordance with the deterministic mapping. | 07-30-2009 |
| 20090189593 | MEASURING DEVICE AND MEASURING METHOD FOR MEASURING THE POWER OF A HIGH-FREQUENCY SIGNAL - A measuring device for measuring the power of a high-frequency signal including a detector for detecting the high-frequency signal and for generating an analog detector signal, an analog/digital converter for generating a digital signal and an evaluation device for evaluating the digital signal. A dither supply device for the supply of a dither signal and a chopper, which periodically chops the analog detector signal with a chopper signal, are disposed between the detector and the analog/digital converter. In this context, the dither signal is supplied synchronously to the chopper signal. | 07-30-2009 |
| 20090175356 | METHOD AND DEVICE FOR FORMING A COMMON DATASTREAM ACCORDING TO THE ATSC STANDARD - A method and a device for forming a common transport datastream from several mobile-digital television signal datastreams and a common stationary-digital television signal datastream. A constant number of data units of respectively-constant size in every successive time interval with constant cycle duration for the transmission of every individual datastream is determined. A data structure is specified for the common datastream with successive sequences in each case of a constant number of data units with respectively-identical positions for data units of the stationary-digital television signal and respectively-identical positions for data units of the mobile-digital television signal. Data units of each of the datastreams of the mobile-digital television signal are transmitted in each case in associated, identical positions of at least one successive sequence, and define the individual positions of the data structure of the common datastream with data units of the respectively associated datastreams. | 07-09-2009 |
| 20090175170 | METHOD FOR MULTI-HOP DATA TRANSMISSION IN AN AD-HOC NETWORK COMPRISING CONCEALED NODES - In a method for multi-hop data transmission in an ad-hoc network comprising concealed nodes, one node with transmission intent determines the probability of a collision-free transmission of data to the following nodes and if a high probability of collision-free transmission of data, transmits a user data packet to said following node, without co-ordinating the detection of the following node with the concealed nodes located in the vicinity of the following node in relation to the transmission of data to said following node. | 07-09-2009 |
| 20090158378 | METHOD AND SYSTEM FOR TRANSMITTING DATA BETWEEN A CENTRAL RADIO STATION AND AT LEAST ONE TRANSMITTER - First data is transmitted between a central radio station and at least one transmitter, where the first data is in first data fields of data packets and useful data is in second data fields of the data packets. The first data fields in this context are pre-reserved by the central radio station for the transmission of second data between the transmitter(s) and the receivers. | 06-18-2009 |
| 20090144964 | Method for Producing a Coupling Line - A coupling conductor for a YIG filter or YIG oscillator, which may be produced from a metallic foil by eroding, laser cutting and/or etching of a metallic foil. The coupling conductor includes at least one curved section, which at least partially surrounds a YIG element and at least one conductor section. | 06-11-2009 |
| 20090142065 | OPTICAL DATA-BUS SYSTEM - An optical data-bus system for wireless signal transmission between two modules of an appliance, where the modules are each equipped with at least one transmitter and/or at least one receiver, and where the transmitter is a laser diode, and the receiver is a photo-element, with which a laser beam emitted by the laser diode is aligned. Each transmitter and/or receiver of a module is encapsulated within a metallic housing, and, in the region of the transmitter and/or of the receiver, the metallic housing provides a window made of a material, which is transparent for the laser beam. A processor, which converts electrical control signals into modulation signals, which are suitable for optical modulation, or respectively which converts optical modulation signals into electrical control signals, is provided for each module. | 06-04-2009 |
| 20090131039 | Method and System for Determining the Dependence Between Device Parameters of a Mobile Telephone and Signal Parameters - A method and a system for determining the dependence between several device-parameter values in each case of at least one device parameter of a mobile telephone ( | 05-21-2009 |
| 20090115530 | Doherty-Amplifier System - A Doherty-amplifier system has several amplifier stages, of which the inputs are controlled via a control unit with different phase angles and/or signal amplitudes of an input signal. According to the invention, every output of every amplifier stage is connected directly to an antenna element, without the output signals from the amplifier stages being combined with one another before being supplied to the antenna elements. | 05-07-2009 |
| 20090110041 | Method and Device for Transmitter Calibration - A device for calibrating a digital communication station uses an initial ranging procedure for measuring channel parameters in a communication channel. The device comprises a communication emulator, a measuring device, and a calibrator. The communication emulator transmits a signal to the communication station which transfers the communication station into an initial ranging mode. The measuring device measures parameters of the signal transmitted by the communication station during an initial ranging cycle. From these measurements the calibrator calculates the necessary calibration adjustments to the communication station and adjusts it accordingly. | 04-30-2009 |
| 20090097416 | Method and System for Addressing and Routing in Coded Communications Relationships - The invention relates to a method and system for addressing and routing in coded communications relationships in at least two different network levels of a network with different routing levels, which are separated from one another. A first network level with the associated first routing level is demarcated from a second network level with a second routing level via at least one coding device. A network topology of both network levels is determined independently of one another in the at least two routing levels and stored respectively in routing tables. An interface in the at least one coding device is provided with an unambiguous allocation of addresses of the second routing level to addresses of the first routing level, in order to derive the topology of the second network level efficiently from the first network level. | 04-16-2009 |
| 20090079649 | HORN ANTENNA - The invention relates to an antenna ( | 03-26-2009 |
| 20090039983 | Magnetically Tunable Filter with Coplanar Lines - The invention relates to a magnetically tunable filter having a filter housing and having two tunable resonator spheres which comprise magnetizable material and are arranged next to one another in two filter branches. Each filter branch comprises a coplanar line arranged on a substrate layer and extending in the direction of an electrical connection, as well as a common coupling opening so that the two filter branches are connected to one another. A resonator sphere is respectively positioned on each side of the coupling opening inside the two filter branches. | 02-12-2009 |
| 20090015358 | Electrical Switching Device Comprising Magnetic Displacement Elements for a Switching Element - Electrical switching device, especially a high-frequency switching device, with at least one oblong electrical switching element, which is arranged with one contact end between two fixed-contact elements spaced a transverse distance from one another and can be moved by two adjustment elements forming a transverse movement drive transversely to a longitudinal direction optionally towards the one or the other fixed-contact element. The adjustment elements are disposed laterally alongside the switching element and can be moved transversely to and from the switching element. In order to improve the transverse movement drive for the switching element, the switching element-comprises magnetic material, wherein the adjustment elements are formed by magnets. | 01-15-2009 |
| 20080320344 | Method for Testing the Error Ratio Ber of a Device According to Confidence Level, Test Time and Selectivity - A method for testing the error ratio BER of a device under test against a specified allowable error ratio comprises the steps: measuring ns samples of the output of the device, thereby detecting ne erroneous samples of these ns samples, defining BER(ne)=ne/ns as the preliminary error ratio and deciding to pass the device, if the preliminary error ratio BER(ne) is smaller than an early pass limit EPL(ne). The early pass limit is constructed by using an empirically or analytically derived distribution for a specific number of devices each having the specified allowable error ratio by separating a specific portion DD of the best devices from the distribution for a specific number of erroneous samples ne and proceeding further with the remaining part of the distribution for an incremented number of erroneous samples. | 12-25-2008 |
| 20080315947 | Controller-Assisted Method and Controller-Assisted Device for Determining a Characteristic of a Compensation Member in a Level Control Circuit - In a controller-assisted device for determining a characteristic of a compensation element in a level control circuit, the compensation element is serially mounted inside the level control circuit for a high-frequency signal (SHF) in a signal channel with respect to said signal channel. The characteristic of the compensation element has a characteristic which the inverse of the non-linear transmission characteristic of the signal channel in the event of ideal compensation. In the controller-assisted method for the determination of a characteristic of the compensation element in a level control circuit, each ordinate value of the characteristic of the compensation element arises, in the event of a bridged compensation element, from the corrective signal value (P | 12-25-2008 |
| 20080297266 | Oscillator with Coupled Amplifier - An oscillator including a resonator with at least one first tuneable element, with which a resonant frequency of the resonator can be varied. The oscillator further includes an amplifier, which provides an amplification element, connected to the resonator at a coupling position. The amplifier provides a second tuneable element, by which a complex resistance, which the amplifier provides at the coupling position, is variable in a frequency-dependent manner. | 12-04-2008 |
| 20080297172 | Method for Measuring the Noise Figure of a Device Under Test with a Network Analyser - A method for measuring the noise factor (F | 12-04-2008 |
| 20080297139 | Method and System for Digital Triggering for an Oscilloscope - An approach is provided for digital triggering a recording of one or more digitized signals on a digital oscilloscope by means of carrying out a level comparison for determining a triggering instant in each case between two successive sample values of a reference signal and a threshold values. According to the approach, at least one additional sample value of the reference signal is determined between two sequential samples of the reference signals by means of interpolation. | 12-04-2008 |
| 20080278177 | Method for Direct Measurement of the Mixed-Mode Scattering Matrix With a Vectorial Network Analyser - In a method for the excitation of port groups of a multi-port device under test with coherent incident waves of the same frequency, which provide defined amplitude ratios and phase differences within each port group, the waves are generated respectively by one signal generator of a vectorial network analyzer per test port. The network analyzer has unbalanced test ports. A system-error correction of the unbalanced incident and reflected waves with reference to the ports of the device under test is implemented in order to obtain corrected waves. The amplitude and phase changes required in the signal generators to fulfil the desired amplitude and phase conditions are calculated from these corrected waves. | 11-13-2008 |
| 20080270054 | Method and System for Digital Triggering of Signals on the Basis of Two Triggering Events Separated by a Time Difference - An approach is provided for digital triggering a recording of one or several signals sampled at individual sampling instants on a digital oscilloscope. The triggering is carried out when the interval between two recurrent triggering events is less or greater than a time threshold value. | 10-30-2008 |
| 20080266032 | Illuminable Gaas Switching Component With Transparent Housing And Associated Microwave Circuit - An electronic switching component ( | 10-30-2008 |
| 20080258833 | Signal Generator With Directly-Extractable Dds Signal Source - A signal generator including a DDS-signal source that is configured to operate according to the principle of direct digital synthesis (DDS), and a PLL signal synthesizer that is configured to operate according to the principle of phase locked loop (PLL) using an output signal from the DDS-signal source as a reference signal. The DDS-signal source can be connected via a direct connection, without further frequency division or mixing, directly to an output of the signal generator or directly to a level-adjustment device of the signal generator in order to generate a portion of an overall frequency range of an output signal of the signal generator. | 10-23-2008 |
| 20080252301 | Calibration Device and Calibration Method for Adjusting a Directional-Coupler Measuring System - A calibration device for adjusting the forward power and reflected power measured via a single measuring directional coupler which is connected to a high-frequency transmitter, the forward power that is attenuated with a | 10-16-2008 |
| 20080245561 | Housing for Shielding from Electromagnetic Interference - Housing for shielding from electromagnetic interference, comprising a first housing component with a first VELCRO-type fastening element and a second housing component with a second VELCRO-type fastening element each made of conductive material, wherein an aperture between the first housing component and the second housing component is closed in an electromagnetically-sealing manner by a third VELCRO-type fastening element made of conductive material. | 10-09-2008 |
| 20080238409 | Probe with a Changing Device - The invention concerns a probe with at least two test prods, which are provided on a changing device connected to the probe and which can be alternately connected to an electric waveguide running inside the probe. | 10-02-2008 |
| 20080214183 | Method of Determining an Error Rate and a Suitable Testing Device - The invention relates to a method and to a test device ( | 09-04-2008 |
| 20080212712 | Power Control Device - The invention relates to a power control device for a power output stage. A forward signal corresponding to a wave advancing on a wall feed line and a return signal corresponding to a wave returning on the wave feed line is obtained by means of a directional coupler and is supplied to a controller after narrow-band selection for controlling the output of the power output stage. Narrow-band selection is not carried out in the baseband but on an intermediate frequency level above the baseband. | 09-04-2008 |
| 20080211969 | SYSTEMS, APPARATUS, METHODS AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING ATSC INTEROPERABILITY - Systems, apparatus, methods and computer program products are provided for causing a dataframe to be emitted at an air interface of an antenna. A memory stores a transmission to antenna delay value (TAD). An offset calculator calculates an offset value based on an epoch of a global timebase generator and the transmission to antenna delay value (TAD). An interface controller in communication with the offset calculator communicates a segment synchronization signal and a field synchronization signal based on the offset value. | 09-04-2008 |
| 20080211918 | Method and Device for Evaluating the Quality of a Signal - A method and device evaluating the quality of a signal by virtue of the deviation of at least one measured characteristic variable of the signal in relation to an associated reference value. The quality is calculated by averaging all of the deviations which are determined and standardized in relation to said characteristic variables. | 09-04-2008 |
| 20080209140 | Method for Managing Memories of Digital Computing Devices - The invention relates to a method for managing memories. When carrying out a process, at least one stack ( | 08-28-2008 |
