Patent application number | Description | Published |
20080250090 | Adaptive filter device and method for determining filter coefficients - An adaptive filter device, including a finite impulse response (FIR) filter which is based on filter coefficients, which are determined based on a predetermined iterative adaptation algorithm for determining filter coefficients of an adaptive filter, wherein, in at least one iteration step of said predetermined iterative adaptation algorithm a sum value is determined, wherein each summand of said sum value depends on one of said filter coefficients, and, if said sum value is above a predetermined threshold, the filter coefficients are modified. | 10-09-2008 |
20080252368 | CIRCUIT AND METHOD FOR PROCESSING AN INPUT SIGNAL - Circuit for processing an input signal based on at least one reference signal, comprising a phase locked loop demodulator configured to receive a speed control signal and said input signal and further configured to follow a frequency and/or a phase of said input signal at a speed, wherein said speed depends on said speed control signal; and a reference signal detector configured to determine said at least one reference signal and to set said speed by outputting said speed control signal to said phase locked loop demodulator, wherein, if said reference signal detector detects said at least one reference signal, said reference signal detector decreases said speed. | 10-16-2008 |
20090122203 | DEMODULATOR, METHOD AND RECEIVER FOR DEMODULATION - Demodulator for demodulating an input signal, comprising a complex-valued equalizer configured to equalize complex valued echoes within said input signal, wherein said complex-valued equalizer outputs a complex valued equalized signal; and a PLL circuit ( | 05-14-2009 |
20100208135 | METHOD FOR PROCESSING AN ANALOG TELEVISION SIGNAL - A method for processing an analog television signal, comprising determining a reference signal based on at least one field synchronizing signal and equalizing the analog television signal based on the reference signal. | 08-19-2010 |
20110196634 | METHOD, SYSTEM AND SENSOR FOR IDENTIFYING AN ELECTRICAL DEVICE CONNECTED TO A MAINS GRID - A method for identifying an electrical device connected to a mains grid is provided, the method comprising measuring at least one electrical characteristic on the mains grid with a sensor connected to a socket of the mains grid; comparing the at least one electrical characteristic with a plurality of stored candidate electrical characteristics each corresponding to one of a plurality of candidate electrical devices; and identifying the electrical device based on the stored candidate electrical characteristic that is closest to the at least one electrical characteristic. A corresponding system and a corresponding sensor are provided as well. | 08-11-2011 |
20120039375 | QUADRATURE RECEIVER AND METHOD OF COMPENSATING FOR I/Q IMBALANCE USING A CALIBRATION SIGNAL - A quadrature demodulator receiver unit ( | 02-16-2012 |
20120300820 | HIGH PERFORMANCE PLC CLUSTER SYSTEM - A device comprises a power input for supplying an external AC power to the device via a power cord, a filter for filtering noise from the outside out of the supplied external AC power and for thereby generating a filtered AC power, at least one power socket for supplying the filtered AC power to at least one other device, a PLC modem configured to be connected to the at least one power socket and to transmit data to or receive data from the at least one other device via power line communication using the filtered AC power, and a managing means configured to establish a data connection with the at least one other device and to detect whether the at least one other device is capable of PLC functionality. A respective power line communication system and a respective power line communication method are also proposed. | 11-29-2012 |
20130142231 | METHOD FOR OPERATING A PLC SYSTEM, PLC MODEM DEVICE AND PLC SYSTEM - A method for operating a PLC system including at least one PLC modem device, in which interferences on transmission signals of the PLC system and/or on a transmission spectrum of the PLC system are detected, the interferences are caused by influences of an impedance modulating device connected to a mains used by the PLC system for communication, and, in a case such interferences are detected, frequencies on which the impedance modulating device causes interferences are selected to be notched from power line communication and/or time periods when the impedance modulating device is in a switching mode are selected to be avoided for transmitting PLC signals. A PLC modem device and a PLC system can implement the method. | 06-06-2013 |
20130215945 | SIGNAL PROCESSING UNIT EMPLOYING A BLIND CHANNEL ESTIMATION ALGORITHM AND METHOD OF OPERATING A RECEIVER APPARATUS - A receiver apparatus receives a transmit signal through a plurality of transmission channels, wherein each transmission channel is described by its channel vector. A sparseness evaluation unit ( | 08-22-2013 |
20140118007 | CONTROLLER AND METHOD FOR COLLISION DETECTION - A method for detecting a signal activity on a bus comprises measuring a current on the bus, and determining a signal activity based on the measured current. | 05-01-2014 |
20140292304 | METHOD, SENSOR AND SYSTEM FOR ANALYZING APPLIANCES IN A POWER LINE NETWORK - A method for analyzing appliances in a power line network comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, extracting a line-neglecting feature from the electrical characteristic of the power line network, and detecting an appliance connected to the power line network based on the extracted line-neglecting feature. | 10-02-2014 |
20140297209 | METHOD, SENSOR AND SYSTEM FOR ANALYZING APPLIANCES IN A POWER LINE NETWORK - A method for analyzing appliances in a power line network, comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, and detecting an appliance connected to the power line network on the basis of the electrical characteristic of the power line network and a model profile. The model profile is based on electrical characteristics of one or more candidate appliances and on a configuration of the power line network. | 10-02-2014 |