Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8189653 | Radio receiver in a wireless communications system Techniques are described for optimizing processing facilities of a receiver in a wireless communication environment, taking into consideration processing performance set against the computing resources and/or power consumption required to obtain the processing perfo... | 05/29/2012 |
| 8189654 | Receiver A receiver in which computation is simplified can be obtained by using a common factor for filter coefficients of FIR filters corresponding to a plurality of transmitting antennas and by using only the middle column of an inverse matrix of a gain matrix when the com... | 05/29/2012 |
| 8184686 | System and method for recovering data received over a communication channel According to a first aspect, there is provided a circuit for recovering data received over a communication channel. The circuit includes an adaptive equalizer operable to remove ISI (intersymbol interference) from a received signal and a timing recovery circuit oper... | 05/22/2012 |
| 8179956 | Adaptive equalizer and adaptive equalization method An adaptive equalizer includes an adaptive filter and a control unit. The adaptive filter performs an adaptive equalization processing for an input signal so as to make an amplitude of an equalized output signal constant, the input signal being modulated by a modula... | 05/15/2012 |
| 8175143 | Adaptive equalization using data level detection A method, and circuitry, for choosing the correct equalization curve in adaptive equalization uses a feedback loop in which the incoming high-speed serial data are digitized and deserialized for use in the remainder of the device, and also are used by an adaptive st... | 05/08/2012 |
| 8170093 | Equalizing filter circuit An equalizing filter circuit includes a first transmission line in which a plurality of first delay devices 104a are connected in cascade to input terminal 101, a second transmission line in which a plurality of second delay devices 107 | 05/01/2012 |
| 8160128 | Equalizer in a wireless communication system Techniques for performing equalization at a receiver are described. In an aspect, equalization is performed by sub-sampling an over-sampled input signal to obtain multiple sub-sampled signals. An over-sampled channel impulse response estimate is derived and sub-samp... | 04/17/2012 |
| 8155180 | Adaptive equalization methods and apparatus A system includes a programmable transmitter device (e.g., a PLD) connected to a programmable receiver device (e.g., another PLD) via a transmission medium for transmitting a high-speed data signal from the transmitter to the receiver. During a test mode of operatio... | 04/10/2012 |
| 8155179 | Adaptive cable equalizer An adaptive cable equalizer includes a data signal input unit, a clock signal input unit, a variable equalizer that inputs a data signal input from the data signal input unit, and a transition time measuring portion that measures a transition time of a data signal o... | 04/10/2012 |
| 8149907 | Adaptive equalization apparatus with equalization parameter setting adaptively adjusted according to edges of equalizer output monitored in real-time manner and related method thereof An adaptive equalization apparatus is provided. The adaptive equalization apparatus includes an equalizer, a monitor circuit, and a control circuit. The equalizer receives a first signal, and equalizes the first signal according to an equalization parameter setting ... | 04/03/2012 |
| 8144758 | Method and apparatus for single burst equalization of single carrier signals in broadband wireless access systems A receiver implementing a single carrier single burst equalization (SC-SBE) method is capable of achieving near optimal reception of individual single carrier RF bursts by making an accurate estimate of the burst's propagation channel impulse response (CIR). The SC-... | 03/27/2012 |
| 8139629 | Adaptive controller An adaptive controller includes an adaptive-signal generator for generating an adaptive signal, which includes a first amplitude filter coefficient and a first phase filter coefficient, in a first transfer path based on an angular frequency of a cyclic signal, which... | 03/20/2012 |
| 8139630 | High-speed receiver architecture A receiver (e.g., for a 10 G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensat... | 03/20/2012 |
| 8135058 | Adaptive known signal canceller An adaptive known signal canceller comprising of a known signal canceller filter responsive to a known signal including a known portion of a transmitted signal, the known signal canceller filter operative to generate a filtered known signal, and a subtractor unit re... | 03/13/2012 |
| 8135057 | Reconfigurable chip level equalizer architecture A reconfigurable chip level equalizer having circuitry that restores signal orthogonality and eliminates channel interference for a wireless transmitted signal. In at least some embodiments, the reconfigurable chip level equalizer comprises two or more adaptive equa... | 03/13/2012 |
| 8130820 | Method and apparatus for interference cancellation in a wireless communications system Successive interference cancellation is performed with improved computational efficiency while offering performance approaching that of full CRC-based successive interference cancellation. In a “blind” interference cancellation technique, reconstructed streams a... | 03/06/2012 |
| 8126044 | Passive system and method to equalize distortion in an RF satellite chain A system and method for configuring an equalizer 48 for a transmission link includes a computer 82 that forms a mathematical model of an analog equalizer having a plurality of mathematical model filter stages. The computer 82 determines a desire... | 02/28/2012 |
| 8121185 | Double equalizer for multi-path rejection An apparatus for improved reception of a signal is described. The apparatus includes an equalizer that has at least two cascaded maximum-likelihood detectors and an adjustable delay unit. The equalizer and the adjustable delay unit are configured for adaptation in a... | 02/21/2012 |
| 8121184 | Wireless receiver A wireless receiver receiving a signal from a wireless transmitter which includes a plurality of transmission antennas and transmits data to which first phase rotation for controlling the maximum delay time between the plurality of transmission antennas is added and... | 02/21/2012 |
| 8116365 | Equalizer architecture for data communication An update algorithm for equalizer coefficients in a communications system using phase correction symbols. Instead of using a traditional all symbols slicer update algorithm, the equalizer is updated during phase correction symbols for optimal performance in low sign... | 02/14/2012 |
| 8111743 | Wireless transmitter A wireless transmitter includes: a plurality of transmission antennas; and a phase rotating unit which adds phase rotation to signals which are respectively input to the plurality of transmission antennas, wherein the phase rotating units adds first phase rotation f... | 02/07/2012 |
| 8107521 | Equalizer device An equalizer device which enables tap coefficient correction accuracy to be improved to enable high-quality adaptive equalization. A tap coefficient filter corrects tap coefficients thereof in accordance with a control signal and equalizes a received signal in which... | 01/31/2012 |
| 8102908 | Waveform equalizing device A waveform equalizing device for performing high-precision waveform equalization for an input signal and outputting the result as an output signal, includes: a FIR filter for performing convolution operation between the input signal and a plurality of tap coefficien... | 01/24/2012 |
| 8102909 | Systems and methods that provide frequency domain supplemental training of the time domain equalizer for DMT Using a known or later developed time domain equalizer coefficient training algorithm, a least square solution for the time domain equalizer coefficients is taken at a starting point and iteratively improved on. In particular, the improvement is directed towards max... | 01/24/2012 |
| 8102907 | Space-frequency equalization for oversampled received signals Techniques for performing space-frequency equalization and spatial equalization in the frequency domain are described. Space-frequency equalization combines signal components across both space and frequency dimensions whereas spatial equalization combines signal com... | 01/24/2012 |
| 8098723 | Receiver employing non-pilot reference channels for equalizing a received signal In one embodiment, a receiver has a reference generator and a main equalizer. The reference generator equalizes a received signal using one or more pilot reference signals. Then, the reference generator decodes one or more predetermined data channels of the equalize... | 01/17/2012 |
| 8098722 | Method and apparatus for equalization control An equalization filter is provided with the ability to softly switch between pure linear equalization and decision feedback equalization. A reliability gain factor and an associated gain factor calculated by a predetermined mapping relation are provided in a decisio... | 01/17/2012 |
| 8094709 | Equalizer and equalization method A correction coefficient calculating section 20 calculates a correction coefficient β so as to obtain a noise power equivalent to detected path and adjacent path transmission channel estimation values. A noise power correcting section 21 calculates a ... | 01/10/2012 |
| 8094708 | Receiver with multiple antennas and method of receiving signals Provided are a multiple antenna receiver and a method of receiving a signal. A multiple antenna receiver includes a plurality of antennas to receive a plurality of received symbols, a QR decomposition unit to perform QR decomposition for a channel matrix, a Q-receiv... | 01/10/2012 |
| 8090013 | Method and system of providing a high speed Tomlinson-Harashima Precoder Herein described are at least a method and a system for implementing a high speed Tomlinson-Harashima Precoder. The method comprises using an L-tap transpose configuration of a Tomlinson-Harashima Precoder and processing a first discrete time sampled sequence using ... | 01/03/2012 |
| 8085840 | Method and apparatus for reducing interference of a signal over a plurality of stages An apparatus for reducing interference of a signal over a plurality of stages includes a processor configured to determine at least two equalizer taps based on at least one of a covariance and a channel impulse response of the signal. The processor is further config... | 12/27/2011 |
| 8085839 | Adaptive equalization system and method having a lock-up-free quantized feedback DC restoration circuit An adaptive equalizer may include one or more equalizing gain stages coupled to an input signal. An automatic gain control circuit may be used to control the gain of the one or more equalizing gain stages, the automatic gain control circuit having an AGC reference i... | 12/27/2011 |
| 8077767 | Scaled signal processing elements for reduced filter tap noise An adaptive transversal filter having tap weights Wj which are products of corresponding tap coefficients Cj and tap gains Mj is provided. A filter control loop controls all of the tap coefficients Cj such that an error si... | 12/13/2011 |
| 8077766 | Method and device for receiving a data signal consisting of symbol blocks and corresponding computer program A method is provided for receiving a received data signal including at least one symbol block received and representative of a source signal. The method includes at least one iteration for improving an estimate of the received signal and including the following step... | 12/13/2011 |
| 8077765 | Mixed minimum mean square error/zero-forcing FIR filter adaptation A system and method of adapting a FIR filter with a mixed minimum-mean-square-error/zero-forcing adaptation is disclosed. A channel response module attempts to approximate a noiseless component of the channel response. The output of the channel response module is ut... | 12/13/2011 |
| 8073046 | Fast training equalization of a signal by using adaptive-iterative algorithm with main path phase correction A signal receiver inputs a signal, computes a set of equalizer tap values during a signal acquisition phase by applying an algorithm iteratively to a given set of training data contained within the signal, and uses the set of equalizer tap values to perform signal e... | 12/06/2011 |
| 8068539 | Adaptive interference cancellation algorithm using speech mode dependent thresholds Adaptive interference cancellation algorithm using speech mode dependent thresholds. A method of processing radio frequency (RF) bursts dependent on a speech mode associated with data contained within the RF burst is presented. Different voice modes, full rate, half... | 11/29/2011 |
| 8054875 | Autoregressive moving average modeling for feedforward and feedback Tomlinson-Harashima precoder filters Apparatus and methods provide a Tomlinson-Harashima precoder scheme in which a feedback filter may be constructed to match an approximated feedforward filter, where the feedforward filter is approximated using autoregressive moving average modeling. ... | 11/08/2011 |
| 8054874 | Method and system for providing fast and accurate adaptive control methods In accordance with a particular embodiment of the present invention, a method is offered that includes providing a low-pass filter in an adaptive filter architecture employing a fast steepest descent method. The method further includes decomposing an error signal, i... | 11/08/2011 |
| 8050318 | Compensation circuit and method for reducing intersymbol interference products caused by signal transmission via dispersive media A compensation circuit and method for reducing ISI products within an electrical data signal corresponding to a detected data signal received via a signal transmission medium introduces distinct compensation effects for individual ISI products within the electrical ... | 11/01/2011 |
