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Pillow with retractable umbrella
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| Number | Title | Issue Date |
| 8125934 | System and method for synchronization signal detection and recovery from false triggers A system and method for detecting a synchronization (sync) signal in a communication signal are disclosed. A received communication signal is stored in a memory and portions thereof are read from the memory and monitored to detect the sync signal. When a detected sy... | 02/28/2012 |
| 8045492 | Dynamic establishment of virtual circuits using multi-segment pseudowires The present invention provides a technique for automatically establishing a virtual circuit from one edge device to another through a core network. The virtual circuit may comprise one or more pseudowire segments. These pseudowire segments extend between adjacent ed... | 10/25/2011 |
| 7843859 | Analog echo canceller with filter banks A method and system are described for canceling an echo signal in analog domain with adaptive filters working in digital domain. In one embodiment, a system includes an analog-to-digital converter (ADC) sampling at two different phases to generate a first error sign... | 11/30/2010 |
| 7570608 | Echo canceller disabler for modulated data signals A method and system receives a far-end signal and determines whether the far-end signal is representative of a modulated signal. The method and system also receives a near-end signal and determines whether the near-end signal is representative of a modulated signal.... | 08/04/2009 |
| 7535859 | Voice activity detection with adaptive noise floor tracking The present invention relates to a method and apparatus for detecting voice activity in a communication signal, wherein filter means are provided for estimating or suppressing an offset component of the level of the communication signal. A filter parameter is contro... | 05/19/2009 |
| 7443810 | Wireless terminals A wireless terminal for use in the transmitting and receiving frequency bands of a frequency duplex system comprises transmitting and receiving stages (Tx, Rx) and signal propagating means (22, 24, 26) coupled to the transmitting and receiving stages. The sig... | 10/28/2008 |
| 7408891 | Echo canceller employing H-register and storage register An echo canceller comprising a digital filter having adaptive coefficients which are updated to simulate an echo response, a temporary register for storing default coefficients, and a controller for monitoring ERLE and in the event the ERLE is greater than a first p... | 08/05/2008 |
| 7369607 | Multicarrier communication using a time domain equalizing filter Various methods and apparatus are described that use a filter. A receiver may be configured to receive multi-tone signals. The receiver has a Time Domain Equalizer filter employing an algorithm to shorten a length of an incoming impulse response to equal to or less ... | 05/06/2008 |
| 7369608 | Dynamic regulation of power consumption of a high-speed communication system A method for dynamically regulating the power consumption of a high-speed integrated circuit which includes a multiplicity of processing blocks. A first metric and a second metric, which are respectively related to a first performance parameter and a second performa... | 05/06/2008 |
| 7358875 | Echo preventing circuit and digital signal processing circuit An echo preventing circuit comprises a filter that is inputted with a first digital signal and outputs a second and a third digital signals; a first DA converter that converts the second digital signal into a first analog signal and outputs the first analog signal; ... | 04/15/2008 |
| 7352687 | Mixed domain cancellation A method and apparatus for reducing crosstalk in a multi-channel communication system is disclosed. In one embodiment, outgoing signals in a multi-channel environment are manipulated into a transform domain, such as the frequency domain. Thereafter, the signals may ... | 04/01/2008 |
| 7339990 | Processing a received signal at a detection circuit Processing a received signal includes receiving a signal having an analog form. The signal is sampled to yield sampled signals having an analog form. The following are repeated for each sampled signal. A feedback signal is generated from the sampled signal, and is c... | 03/04/2008 |
| 7289554 | Method and apparatus for channel equalization and cyclostationary interference rejection for ADSL-DMT modems A method and apparatus for efficient filter structure for an enhanced operation of an ADSL-DMT modem on a subscriber loop with an environment consisting of ISDN interference. The method performs equalization of the channel by impulse response shortening and at the s... | 10/30/2007 |
| 7280493 | Method for hardware reduction in echo canceller and near-end crosstalk canceller The present invention provides a method for hardware reduction in the echo canceller and the near-end crosstalk canceller. The method applies an N (N is a positive integer) times divide frequency sampling operation onto the input data list of the echo canceller firs... | 10/09/2007 |
| 7277403 | Duplexer with a differential receiver port implemented using acoustic resonator elements A duplexer includes an input/output line, a receive segment and a transmit segment. The transmit segment is connected to the input/output line. The receive segment includes a balun and a differential filter. The balun includes a first output, a second output, a firs... | 10/02/2007 |
| 7268696 | Directional signal and noise sensors for borehole electromagnetic telemetry system An electromagnetic borehole telemetry system providing improved signal to noise ratio. Adaptive filters use noise channels as references to remove noise from the signal channel. Directional detectors provide a signal channel with reduced noise content and improved n... | 09/11/2007 |
| 7263134 | Ethernet transceiver with single-state decision feedback equalizer Various systems and methods providing high speed decoding, enhanced power reduction and clock domain partitioning for a multi-pair gigabit Ethernet transceiver are disclosed. ISI compensation is partitioned into two stages; a first stage compensates ISI components i... | 08/28/2007 |
| 7251322 | Systems and methods for echo cancellation with arbitrary playback sampling rates The present invention relates to systems and methods that remove echo from a signal via a novel echo cancellation technique that supports arbitrary playback sampling rates. The novel echo cancellation technique transforms a playback signal to a frequency domain repr... | 07/31/2007 |
| 7239660 | Adaptive filter with GSPT LMS algorithm for reducing complexity A linear/non-linear adaptive filter for transforming an input signal to an output signal. The present invention also includes a novel GSPT LMS algorithm for significantly reducing complexity. The adaptive filter includes a coefficient updater that can execute a Carr... | 07/03/2007 |
| 7215245 | Activator circuit responsive to power line disturbances An activator circuit responsive to power line disturbances. In condition of false alarm, the user will toggle a local light switch causing electrical disturbances on the power line. The activator circuit detects these disturbances and activates an output, which is f... | 05/08/2007 |
| 7212628 | Echo cancellation/suppression and double-talk detection in communication paths A method of suppressing an echo signal in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring a transmitted signal supplied to the communication path to determine an attribu... | 05/01/2007 |
| 7212502 | Method and apparatus for dynamically adapting telephony analog loss based on channel content A method is provided for introducing analog loss to an information-bearing signal being transmitted to or from end-user terminal equipment over a communication system such as a cable network The method begins by establishing a communication path to the terminal equi... | 05/01/2007 |
| 7206369 | Programmable feedback delay phase-locked loop for high-speed input/output timing budget management and method of operation thereof A phase-locked loop (PLL), a method of programmably adjusting a phase of a reference clock signal and a synchronous sequential logic circuit incorporating the PLL or the method. In one embodiment, the PLL includes: (1) a digital feedback delay line having a pluralit... | 04/17/2007 |
| 7194037 | Active replica transformer hybrid A communication circuit includes a near end replication transmitter and a hybrid having an input in communication with an output of the near end transmitter. A high pass filter is responsive to the near end replication transmitter. A subtractor subtracts an output o... | 03/20/2007 |
| 7190721 | Error convergence measurement circuit for providing convergence of a filter An error convergence measurement circuit for providing convergence of a filter includes a terminating component configured to terminate filter convergence independent of an operating environment of the filter. Selectable termination threshold levels are provided. | 03/13/2007 |
| 7185090 | Multimedia wired/wireless content synchronization method A method of synchronizing a multimedia content stream for output to a plurality of wired and wireless output device in a network having plural realms, wherein each realm includes a CTL, includes buffering the multimedia content stream in a first realm; determining a... | 02/27/2007 |
| 7162420 | System and method for noise reduction having first and second adaptive filters An apparatus and method for noise reduction employ a first processor having one or more channels, each channel comprising a respective first processor filter, and each channel configured to receive a respective one of one or more input signals. The first processor i... | 01/09/2007 |
| 7158582 | Digital I/Q modulator having a predistortion An I/Q modulator processes a time-discrete I/Q signal comprising an I component and a Q component. The I/Q signal is based on a sampling frequency which is equal to four times a carrier frequency of a carrier signal onto which the I/Q signal is modulated. A predisto... | 01/02/2007 |
| 7155018 | System and method facilitating acoustic echo cancellation convergence detection A system and method facilitating acoustic echo cancellation convergence detection is provided. The invention includes an acoustic echo cancellation convergence detector having a center clipping component, a convergence calculator, a convergence filter and a converge... | 12/26/2006 |
| 7154976 | Frequency controller The invention may relate to a digital frequency adjuster for adjusting a first frequency of a first signal. The digital frequency adjuster may comprise a first digital delay line and a first control circuit. The first digital delay line may comprise a plurality of t... | 12/26/2006 |
| 7155538 | Adaptive forward error correction for optimizing communications over packet networks An apparatus and method for providing adaptive error correction for a fax and/or modem over packet network session is disclosed. A gateway device configured in accordance with the present invention comprises a controller configured to receive a signal from its local... | 12/26/2006 |
| 7142518 | Monitoring communications networks Selected data (LSP1, LSP2) is monitored among other data passing through label switched paths (LSPs) of a communications network of interconnected label switching routers (LSR–LSR4). The method comprises designating at least one of the routers... | 11/28/2006 |
| 7136471 | Method and apparatus for detecting a secondary destination of a telephone call based on changes in the telephone signal path A method and apparatus for detecting whether a remote party has added a secondary telephone destination to a telephone call, for example through the activation of three-way calling service, conference calling or two lining bridging, by identifying an echo characteri... | 11/14/2006 |
| 7133442 | Rapid identification of transmission media channel characteristics Rapid identification and modeling of transmission media channel characteristics of a communications system using a correlation based technique. The technique provides a known training sequence used to generate a known quantity that operates on an observed or measure... | 11/07/2006 |
| 7133425 | Communication system A method and apparatus is disclosed for facilitating high-speed data communication. In one embodiment a receiver is configured to include error correction coding in an interleaved environment to increase data transmission rates. In one embodiment the signal mapping ... | 11/07/2006 |
| 7133934 | Adaptive error correction for communications over packet networks An apparatus and method for providing adaptive error correction for a fax and/or modem over packet network session is disclosed. A gateway device configured in accordance with the present invention comprises a controller configured to receive a signal from its local... | 11/07/2006 |
| 7127006 | Method for transmitting frames comprising bursts modulated with different modulation schemes on radio communication channel The invention relates notably to a method for transmitting frames on a radio communication channel (RCC), the frames comprising a succession of bursts (B1, . . . , Bn) modulated with at least two different modulation schemes (M1, M2, M3) ... | 10/24/2006 |
| 7123651 | Adaptable hybrid and selection method for ADSL modem data rate improvement A method of operating a modem generally comprising the steps of (A) transmitting an invalid signal from the modem at each of a plurality of settings for an echo cancelling hybrid of the modem, (B) calculating a plurality of merit values each in response to an echo s... | 10/17/2006 |
| 7113491 | Method and system for varying an echo canceller filter length based on data rate The present invention provides methods and systems for providing efficient use of available CPU cycles that may be achieved by reducing the length of the echo canceller filter. An echo canceller's adaptive algorithm may be implemented to reach a lower mean squared e... | 09/26/2006 |
| 7103015 | DSL transmission system with means for ensuring local echo orthogonality A digital subscriber line transmission system comprising an IFFT circuit generating successive outgoing time domain symbols on a subscriber line from respective groups of digital frequency domain coefficients; an FFT circuit generating groups of digital frequency do... | 09/05/2006 |
