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Patent No. 6293874

User-operated amusement apparatus for kicking the user's buttocks

An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.

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Class 370/210 - Fourier transform


Subclass of Class 370 - Multiplex communications
Definition: Subject matter utilizing a special mathematical relationship
No. of patents: 848
Last issue date: 05/29/2012


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NumberTitleIssue Date
7187940Decorrelating rake receiver apparatus and method
A decorrelating rake receiver (401) using a signal processor (213) and corresponding method (1000) to determine filter coefficients (1005). The decorrelating rake receiver includes a plurality of filters (219) arranged to be couple...
03/06/2007
7187646Link quality determination of a transmission link in an OFDM transmission system
The present invention relates to a link quality determination unit (LQ-DET) for determining a link quality (LQ) of a transmission link (TL) between an OFDM transmitter (TR) and an OFDM receiver (RC) of an OFDM transmission system (SYS). A first link quality measure ...
03/06/2007
7187707Synchronization code detecting apparatus for cell search in a CDMA system
A synchronization code detecting apparatus is designed for synchronization code detection in cell search in a code division multiple access (CDMA) system. The synchronization code detecting apparatus mainly includes a compensation unit for providing frequency offset...
03/06/2007
7187718System and method for encoding and decoding digital data using acoustical tones
A system and a method for the transmission and reception of digital data wirelessly using acoustic tones comprises an encoder, a data interleaving system, an error correction system, and a decoder. The digital data is decoded by using in-phase and quadrature filters...
03/06/2007
7184498Device and method for the digital demodulation of a signal received by selecting a filter and digital communication receiver comprising same
The device (10) for digital demodulation comprises a polyphase filter (14) comprising a set of N distinct elementary digital filters and means (16) of selection, for each block of an elementary digital filter (Hi). It comprises...
02/27/2007
7181194Methods and systems for triggerless prepaid SMS screening and accounting in a signaling message routing node
Methods and systems for triggerless prepaid SMS screening and accounting in a signalling message muting node are disclosed. According to one method, a prepaid SMS screening, accounting, and routing node receives a first SMS message including mobile subscriber identi...
02/20/2007
7181205I/Q calibration
The amplitude and phase errors of the modulation and demodulation in a transceiver are corrected by a self-calibration procedure in which a test signal is applied to the baseband input of the transmitter, and the output of the modulator is looped back to the input o...
02/20/2007
7177374Apparatus and method for sampling frequency offset estimation and correction in a wireless communication system
A method is described for correcting sampling frequency offset (SFO) of a data packet in a communications system where carrier frequency (fc) and sampling frequency (fs) are driven by a common clock source. The method comprises, for each l...
02/13/2007
7177351Data transmission with non-uniform distribution of data rates for a multiple-input multiple-output (MIMO) system
Techniques to determine data rates for a number of data streams transmitted via a number of transmission channels (or transmit antennas) in a multi-channel (e.g., MIMO) communication system. In one method, the “required” SNR for each data rate to be used is init...
02/13/2007
7173991Methods and apparatus for spectral filtering channel estimates
Methods and apparatus for performing spectral filtering of channel estimates corresponding to a communications channel used to transmit a multi-tone signal are described. A channel estimate is examined to identify portions where significant multi-path interference i...
02/06/2007
7173975Estimation of a frequency selective channel in a MIMO environment with parameters that vary within a transmission block
In an environment where a block transmission takes place via a frequency selective channel that is characterized by channel parameters that change with time in the course of the transmission of a block, an arrangement employs pilot signals to ascertain some of the p...
02/06/2007
7173961Frequency domain partial response signaling with high spectral efficiency and low peak to average power ratio
The system includes a transmitter for generating a signal in the time domain and transforming the signal to the frequency domain, wherein the transmitter suppresses a plurality of sub-carriers of the signal, The resulting truncated signal is transmitted to the recei...
02/06/2007
7173958Method for cell search under effect of high clock offset
The present invention discloses a cell search method for a CDMA system, using a three-stage cell search. The method comprises matching an incoming signal from the base station, wherein the frequency of the incoming signal having an uncertain range; over-sampling the...
02/06/2007
7170849Interleaver, deinterleaver, interleaving method, and deinterleaving method for OFDM data
An interleaver and interleaving method each includes two stages, and is useful in coded orthogonal frequency division multiplexed (COFDM) wireless local area networks. A first stage performs a first block permutation and a second stage performs bit order permutation...
01/30/2007
7170860Method and system for passively analyzing communication data based on frequency analysis of encrypted data traffic, and method and system for deterring passive analysis of communication data
A system for passively analyzing an aggregation of communication signals simultaneously passing through a network link performs spectral analysis on a trace of communication traffic through the network link. The spectral analysis identifies period components of the ...
01/30/2007
7171246Noise suppression
A method of noise suppression to suppress noise in a signal containing background noise (314) in a communications path between a cellular communications network and a mobile terminal. The method comprises the steps of: estim...
01/30/2007
7171229Method for operating a radio communication system
In a radio communication system comprising a primary station (100) and a secondary station (110), the primary station is able to employ one of a plurality of transmission schemes for transmissions to the secondary station. The secondary station determi...
01/30/2007
7170961Method and apparatus for frequency-domain tracking of residual frequency and channel estimation offsets
Various methods and apparatus for frequency-domain estimation of carrier frequency offsets are provided in which the carrier frequency offset estimate is robust against non-white (frequency-dependent) noise. A carrier-specific weighting factor is associated with eac...
01/30/2007
7170957Device and method for the digital demodulation of a signal received by selecting a filter and digital communication receiver comprising same
The device (10) for digital demodulation comprises a polyphase filter (14) comprising a set of N distinct elementary digital filters (Hi) and means (16) of selection, for each block of an elementary digital filter (Hi). The...
01/30/2007
7170954Cayley-encodation of unitary matrices for differential communication
Differential unitary space-time (DUST) communication is a technique for communicating via one or more antennas by encoding the transmitted data differentially using unitary matrices at the transmitter, and decoding differentially without knowing the channel coeffici...
01/30/2007
7170926Efficient multiple input multiple output system for multi-path fading channels
Data is transferred in a wireless communication system, such as a wireless spread spectrum communication system. Data is encoded to produce a plurality of data streams. For each of a plurality of transmitting antennas, the data streams are used to produce a vector f...
01/30/2007
7167506Method and rake receiver for phasor estimation in communication systems
The invention relates to a channel estimation algorithm is proposed for a RAKE receiver for CDMA communication systems operating in the downlink of a mobile communication scenario yielding an improved phasor estimation. Received signals are distributed to a pluralit...
01/23/2007
7164741Non-recursive resampling digital fir filter structure for demodulating 3G cellular signals
A filter and processing sequence is described that efficiently combines and performs two or more tasks required to demodulate a composite 3G (third generation) wireless signal formed by a combination of wideband 3.84 MHz (Universal Mobile Telecommunications System, ...
01/16/2007
7161896Channel estimation in a multicarrier radio receiver
A method and apparatus for estimating channel characteristics in a multicarrier wireless receiver such as an OFDM wireless receiver. The method includes determining a channel estimate for each of a set of subcarriers by receiving multicarrier data as a result of a w...
01/09/2007
7158476OFDM receiver using polar coordinate system and method thereof
A received signal is converted into a digital signal through an A/D converter and then converted into the polar coordinate system. A synchronizer removes a frequency offset from the digital signal, the digital signal is again converted into an orthogonal coordinate ...
01/02/2007
7158804Uplink scheduling for wireless networks
Mobiles are sorted by using a first metric and one or more of the sorted mobiles are selected. A second metric is determined using the selected sorted mobiles, and mobiles are selected to transmit during a time period based on the second metric. Multiple embodiments...
01/02/2007
7158591Recursive resampling digital filter structure for demodulating 3G wireless signals
A filter and processing sequence is described that efficiently combines and performs two or more tasks required to demodulate a composite 3G (third generation) wireless signal formed by a combination of wideband 3.84 MHz (Universal Mobile Telecommunications System, ...
01/02/2007
7158475Transmitting apparatus and method and provision medium
Influence from an adjacent signal is prevented even if a guard band is not provided. A phase comparison unit 21 compares a reference window signal input to a PLL circuit 4 and a window signal supplied from a frequency division circuit 22 ...
01/02/2007
7158474Interference suppressing OFDM system for wireless communications
An IS-OFDM system for point-to-point wireless communications that suppresses narrow-band interference comprises an IS-OFDM transmitter and an IS-OFDM receiver, wherein a transmitted signal comprises a plurality of subcarriers, and further wherein each subcarrier con...
01/02/2007
7154848Methods and apparatus for generating a multiplexed communication signal
Methods and apparatus are provided for generating for generating a multiplexed communication signal in a wireless communication system. The apparatus comprises inputs configured to receive digital communication signals, a transform matrix configured to transform the...
12/26/2006
7154847Fast fourier transforming apparatus and method thereof for compensating for OFDM output bit signal
A Fast Fourier Transforming apparatus and method thereof for compensating for an OFDM output bit signal is described. The apparatus includes an input buffer unit for storing and outputting a received OFDM bit signal and a butterfly operation unit for performing a bu...
12/26/2006
7151478Pseudo-orthogonal waveforms radar system, quadratic polyphase waveforms radar, and methods for locating targets
In some pseudo-orthogonal waveform embodiments, a radar system transmits pseudo-orthogonal waveforms and performs multiple correlations on a combined single receiver channel signal. In some quadratic polyphase waveform embodiments, a radar system may simultaneously ...
12/19/2006
7149223Enhanced fiber nodes with CMTS capability
Enhanced Cable Modem Termination System (CMTS) functionality, including programmable digital domain modulators and demodulators for dynamic channel assignment, is incorporated into Fiber Nodes (FNs) or mini Fiber Nodes (mFNs), yielding enhanced Fiber Nodes (eFNs). T...
12/12/2006
7146172Multi-carrier communications with adaptive cluster configuration and switching
A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating a...
12/05/2006
7146103Optical communications using multiplexed single sideband transmission and heterodyne detection
A transmitter subsystem generates an optical signal which contains multiple subbands of information. The subbands have different polarization. For example, in one approach, two or more optical transmitters generate optical signals which have different polarization. ...
12/05/2006
7145971Spatio-temporal processing for communication
A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or s...
12/05/2006
7145966Signal quality estimation for continuous phase modulation
A received continuous phase modulation (CPM) signal (which is formed with a set of pulse shaping functions) is approximated as a phase shift keying (PSK) modulated signal (which is formed with just the dominant pulse shaping function having the largest energy). Chan...
12/05/2006
7145961Ultra wideband transmitter
An ultra-wideband transmitter is provided. In one embodiment, the transmitter uses a monopulse of a continuous cyclic signal to phase shift a data pulse. The data pulses and the cyclic signal may be modulated by varying a phase of the data pulses and cyclic signal. ...
12/05/2006
7145934Multichannel signal transmission and reception for bluetooth systems
One embodiment of the present invention includes a circuit and a transmitter. The circuit generates a first signal at a first frequency and a second signal at a second frequency. The first frequency is provided by a first frequency-hopping sequence such that the fir...
12/05/2006
7142624Analog unidirectional serial link architecture
The present analog invention is related to a unified digital architecture comprising logic transmitter portions and logic receiver portions. A unified serial link system and method for transmitting digital data across wired media including a transmitter and a receiv...
11/28/2006
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