Bizarre Patents
Self Containing Enclosure for Protection from Killer Bees
A self contained protective enclosure with an opening for entry and egress and a screen for ventilation and viewing.
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 |
| 8077643 | Systems and methods for synchronizing audio signals of a communication device A method for synchronizing audio signals of a communication device includes determining whether a downlink thread or a uplink thread is running, pausing the downlink thread or the uplink thread, and executing the downlink thread or the uplink thread by directing a s... | 12/13/2011 |
| 7920492 | Devices, softwares and methods for redundantly encoding a data stream for network transmission with adjustable redundant-coding delay Devices, softwares and methods are provided for redundantly encoding a data stream into frames for network transmission as packets. A main encoder encodes a data stream into main frames, while a redundant encoder encodes it into redundant frames. The redundant frame... | 04/05/2011 |
| 7852792 | Packet based echo cancellation and suppression In a method for echo suppression or cancellation, a reference voice packet is selected from a plurality of reference voice packets based on at least one encoded voice parameter associated with each of the plurality of reference voice packets and the targeted voice p... | 12/14/2010 |
| 7606183 | Devices, softwares and methods with improved performance of acoustic echo canceller in VoIP communication Devices, softwares and methods send a warning signal when a periodic signal is present in the audio content of a VoIP connection. In response to the warning signal, an acoustic echo canceller of an IP telephone discontinues its adapting process. A signaling network ... | 10/20/2009 |
| 7558224 | Management of packet-based audio devices within acoustic spaces A system includes multiple packet-based communication devices that support audio output and other suitable functionality and an acoustic space management device that manages these devices to provide telephony services within acoustic spaces. These devices can coordi... | 07/07/2009 |
| 7436787 | Transceiver for full duplex communication systems A transceiver in a full duplex communication system includes a transmitting circuit coupled to a channel for transmitting a transmit signal to the channel, a cancellation signal generator coupled to the channel for generating a cancellation signal according to the t... | 10/14/2008 |
| 7433665 | Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same A communication circuit for an Ethernet or other network transceiver includes a first sub-circuit having a first input which receives a composite differential signal including first and second differential signal components, a second input which receives a different... | 10/07/2008 |
| 7400278 | Echo prevention circuit, filter coefficient setting method, and recording medium with program recorded An echo prevention circuit includes a filter that receives a first digital signal and outputs second and third digital signals; first and second DA converter that convert the second and third digital signals into first and second analog signals respectively; a circu... | 07/15/2008 |
| 7366161 | Full duplex voice path capture buffer with time stamp For diagnostic and trouble-shooting purposes, an audio/voice signal capture mechanism is adapted to be interfaced with a time division multiplexed (TDM) transport path-cascaded echo canceler and compression arrangement for an integrated access device (IAD). The audi... | 04/29/2008 |
| 7366475 | Signal strength measurements in cellular telecommunication systems A mobile station (MS) and method for estimating received signal strength of a radio signal from a neighboring cell in a cellular radio telecommunication network. The MS measures the received signal strength of the radio signal over a plurality of frames, and calcula... | 04/29/2008 |
| 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 |
| 7355963 | Tone allocation in multipoint-to-point communication using orthgonal frequency division multiplexing Systems for tone allocation are provided. In one embodiment, a system comprises: a plurality of remote units and a host including a demodulator. Each remote transmits an upstream OFDM signal using a multiple access scheme to the host using an OFDM waveform. The host... | 04/08/2008 |
| 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 |
| 7346013 | Frequency domain equalization of communication signals A system and method for estimating a channel spectrum. The method includes: (a) receiving an input signal from a channel, where the input signal includes one or more major echoes and zero or more minor echoes introduced by the channel; (b) identifying the one or mor... | 03/18/2008 |
| 7330500 | Adjustable electronic duplexer A duplexer for a communication device having a transmission unit, a reception unit and a shared antenna is disclosed. The duplexer comprises a first signal path between the transmission unit and the reception unit, the first signal path comprises a filter unit filte... | 02/12/2008 |
| 7304962 | Delay measurement system in a packet network The present invention proposes a method of providing information of the echo path of a speech connection in a Packet Data Network, said method comprising the steps of requesting delay information by means for triggering echo removal, said delay information being obt... | 12/04/2007 |
| 7304990 | Method of encoding and transmitting data over a communication medium through division and segmentation A method of encoding and transmitting data over a communication medium, comprising, providing a file; dividing said file into a plurality of buckets; segmenting each bucket into a et of blocks; selecting a subset of blocks from a bucket; generating a packet by combi... | 12/04/2007 |
| 7302503 | Memory access engine having multi-level command structure A direct memory access system utilizing a local memory that stores a plurality of DMA command lists, each comprising at least one DMA command. A command queue can hold a plurality of entries, each entry comprising a pointer field and a sequence field. The pointer fi... | 11/27/2007 |
| 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 |
| 7268615 | Trap filter A trap filter comprises a delay circuit made up of switched capacitors for delaying an input signal and outputting a delay signal, and an adding circuit for adding the input signal and the delay signal. ... | 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 |
| 7254116 | Method and apparatus for transceiver noise reduction in a frame-based communications network A method of and apparatus for noise reduction for a transceiver transmitting frames over a transmission medium in a frame-based communications network. A transceiver transmit path and a transceiver receive path is provided. A blocking switch is located in the transc... | 08/07/2007 |
| 7251299 | Time delay estimator A system for time delay estimation in a discrete time processing system includes a cross correlator that performs cross correlation on a first signal and a second signal, and provides a cross correlated output signals indicative thereof. A lag smoother receives the ... | 07/31/2007 |
| 7251213 | Method for remote measurement of echo path delay A method of measuring echo path delay in a circuit having echo cancellers after enabling an echo signal to pass through the echo cancellers. The known time for a given echo canceller to disable is subtracted from the overall test signal duration. This quantity can b... | 07/31/2007 |
| 7242762 | Monitoring and control of an adaptive filter in a communication system A communication system having an echo canceller is disclosed. One embodiment of the echo canceller includes an adaptive filter used to provide an estimate of reflected echo which is removed from the send signal. The echo canceller may also include a near-end talker ... | 07/10/2007 |
| 7236463 | Transceiver for echo and near-end crosstalk cancellation without loop timing configuration A transceiver for echo and near-end crosstalk cancellation without a loop timing configuration. The transceiver comprises a receiver, a timing recovery circuit, a same-channel phase interpolator, an echo canceller, a near-channel phase interpolator and a near-end cr... | 06/26/2007 |
| 7230954 | Cross link intra-vehicular data communication using a field coupled transmission line A vehicular communications network is disclosed. The network comprises a communications channel for propagating a signal therealong; a nodal communications system; and a signal coupling system coupled to the communications channel and to the nodal communications sys... | 06/12/2007 |
| 7221659 | Method and system for managing erroneous attenuation of signal According to one embodiment of the invention, a method for managing communication impairments between Internet Protocol devices is provided. The method includes determining a transmission of a signal comprising a comfort noise, where the signal is transmitted from a... | 05/22/2007 |
| 7218730 | System and method for analysis and filtering of signals in a telecommunications network A system and method for signal analysis in a network. The method includes attempting, by a first processor, to compute optimal coefficients for filtering a signal, determining that computing the optimal coefficients exceeds the computational capabilities of the firs... | 05/15/2007 |
| 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 |
| 7206404 | Communications system and method utilizing centralized signal processing A communications system and method performs centralized signal processing on received audio signals. A plurality of terminals are coupled to a processing switch via links. The terminals can be, for example, dedicated speakerphones, desktop handsets, or personal comp... | 04/17/2007 |
| 7206739 | Excitation codebook search method in a speech coding system A method for searching an excitation (or fixed) codebook in a speech coding system. In a speech coding system including a synthesis filter for synthesizing a speech signal, a fixed codebook searcher according to the present invention segments a speech signal frame i... | 04/17/2007 |
| 7196650 | Signal converter systems and methods with enhanced signal-to-noise ratios Signal converter systems are provided with N analog-to-digital converters that respectively respond to N interleaved clock signals which have a common clock frequency and are further provided with a filter network that processes the converters' output digital sequen... | 03/27/2007 |
| 7197062 | Method and apparatus to detect and decode information Briefly, in accordance with an embodiment of the invention, a method and apparatus to detect and decode information is provided, wherein the method includes sampling a radio frequency (RF) impulse signal to generate a sample signal and storing the sample signal for ... | 03/27/2007 |
| 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 |
| 7187711 | Modem wake-up in support of cross-talk cancellation in a modem pool environment In a communications system having a first modem pool for communicating with a second modem pool, each modem pool including a plurality of modems and having at least one NEXT cancellation filter, a method for modem wake-up including the steps of, during a first time ... | 03/06/2007 |
| 7180869 | Comprehensive echo control system Providing a systematic and comprehensive mechanism for applying echo cancellation within a telecommunication switching system by a local switching system such as a PBX. Echo cancellation circuits are deployed throughout the telecommunication switching system using d... | 02/20/2007 |
| 7177416 | Channel control and post filter for acoustic echo cancellation An acoustic echo canceller comprising an adaptive filter, a post filter, and an adjustable filter. The adaptive filter receives a reference signal and a near-end signal, cancels a portion of the echo in the near-end signal using the reference signal, and provides an... | 02/13/2007 |
| 7164659 | Adaptive gain control based on echo canceller performance information A system and method for provide a stable gain from an adaptive gain control device in a signal path. An echo canceller is also located in the signal path, and is used to provide performance information regarding losses in the signal. This performance information is ... | 01/16/2007 |
| 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 |
