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Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8184802 | Adaptive analog echo/next cancellation An adaptive analog echo/near-end crosstalk (NEXT) cancellation system includes a bit slicer that receives a first analog receive signal and that generates a first error control signal. A digital signal processor (DSP) receives a digital receive signal and a digital ... | 05/22/2012 |
| 8160239 | Echo canceller and speech processing apparatus An echo canceller used for hands-free communication systems in which hands-free communication is performed by using a speaker and a microphone is disclosed. The echo canceller includes a step size control unit calculating a step size value in an adaptive filter and ... | 04/17/2012 |
| 8130940 | Echo detection An echo detector includes means (34) for forming a set of distance measures between pitch estimates of a first signal and pitch estimates of a second signal at predetermined delays with respect to the first signal. A selector (36) selects a distance me... | 03/06/2012 |
| 8081752 | Method and apparatus for reducing crosstalk between digital subscriber lines A method and apparatus for reducing crosstalk between digital subscriber lines includes: firstly, determining a parameter of VDSL (Very-high-bit-rate Digital Subscriber Line); secondly, determining frequency range of signal to be transmitted in the line and transmit... | 12/20/2011 |
| 7860236 | Method and system for echo cancellation in a network switch A method and system in network switch for cancelling multiple sources of network echo, including echo that is combined with a persistent, non-echo signal. A first echo canceller cancels a first echo signal that arises from an echo path in the network switch, and sec... | 12/28/2010 |
| 7599483 | Echo canceler circuit and method An echo canceler circuit (10) and method attenuates at least post-echo canceler uplink data (90) to produce attenuated uplink data (100) in response to uplink echo return loss based attenuation data (40). The echo canceler circuit (10 | 10/06/2009 |
| 7483530 | Apparatus for separating blind source signals having systolic array structure Disclosed is a hardware architecture receiving multi-input blind source signals and obtaining multi-output. An apparatus for separating blind source signals includes: a forward process unit receiving a plurality of blind source signal vectors and outputting a plural... | 01/27/2009 |
| 7424109 | Rapid training echo cancellor for telecommunications system Plural echo cancellors each are tuned for different hybrid delays until it is established which echo cancellors are operating to cancel echos. The echo cancellors not so operating are then terminated. ... | 09/09/2008 |
| 7409057 | Nonlinear echo compensator for class B transmitter line driver A nonlinear echo compensator compensates for nonlinear echo in a transceiver including a transmitter line driver with current cells that are operated in a Class B operating mode. A mapping circuit generates a pattern dependent driving signal. A coefficient generator... | 08/05/2008 |
| 7406028 | Memory-efficient ADSL transmission in the presence of TCM-ISDN interferers A method of communicating data across a channel that experiences near-end cross talk (NEXT) interference and far-end cross talk (FEXT) interference in alternate intervals. In one embodiment, the method comprises: a) determining NF, the number of bits per ... | 07/29/2008 |
| 7403610 | Echo canceller employing dual-H architecture having split adaptive gain settings An echo canceller circuit is set forth. The echo canceller circuit includes a digital filter having adaptive tap coefficients to simulate an echo response occurring during a call. The adaptive tap coefficients are updated during the call using a Means Squares proces... | 07/22/2008 |
| 7359504 | Method and apparatus for reducing echo and noise The present invention provides a solution to the needs described above through a method and apparatus for reducing echo and noise. The apparatus includes a microphone array for receiving and audio signal, the audio signal including a voice signal component and a noi... | 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 |
| 7353217 | Intelligent realtime management of processing resources A method and system for ordering a priority for a function to receive any type of processing resources in a system that includes a plurality of functions. The invention includes identifying a plurality of instances of the functions that use processing resources. The... | 04/01/2008 |
| 7352858 | Multi-channel echo cancellation with round robin regularization A method and system of multi-channel echo cancellation using round robin regularization. The multi-channel round robin regularization echo cancellation method includes applying a plurality of adaptive filters, each having an inverse correlation matrix, to the multi-... | 04/01/2008 |
| 7313233 | Tone clamping and replacement A method and apparatus to manage tone clamping are described. ... | 12/25/2007 |
| 7310425 | Multi-channel frequency-domain adaptive filter method and apparatus The invention is a method and apparatus for frequency-domain adaptive filtering that has broad applications such as to equalizers, but is particularly suitable for use in acoustic echo cancellation circuits for stereophonic and other multiple channel teleconferencin... | 12/18/2007 |
| 7310519 | Wireless communication apparatus, wireless communication network and software upgrading method A base station control portion selects one or multiple signals in accordance with the state of radio waves from signals received through multiple communication paths. A wireless communication apparatus communicates with a wireless terminal and a wired communication ... | 12/18/2007 |
| 7305083 | Echo canceller An echo canceller used in a vocal information exchange system operates in such a circumstance that a sound wave released by a speaker is picked up by a microphone unintentionally and works to suppress an echo signal included in the audio signal produced by the micro... | 12/04/2007 |
| 7298711 | Echo cancellation in a communication device According to one exemplary embodiment, a communication device comprises a line driver, where the line driver provides an output signal. The communication device further comprises a digital echo canceller module coupled to the line driver, where the digital echo canc... | 11/20/2007 |
| 7298838 | Adaptive cancellation network system and method for digital subscriber line A method for reducing transmit echo in a DSL modem comprises selecting at least one cancellation device of a plurality of cancellation devices. An attenuation signal is generated using the selected cancellation device. At least a portion of transmit echo is removed ... | 11/20/2007 |
| 7277538 | Distortion compensation in an acoustic echo canceler An audio communications system has an acoustic echo cancellation (AEC) module. The AEC module receives a digital signal sent to a loudspeaker and a digital signal received from a microphone. The signal received from the microphone contains an echo of the signal play... | 10/02/2007 |
| 7246059 | Method for fast dynamic estimation of background noise The invention provides a method and system for dynamically estimating background noise. The system includes a portable communication device, a vocoder, and a voice activated detector. Based on information received by the portable communication device, the vocoder de... | 07/17/2007 |
| 7242763 | Systems and methods for far-end noise reduction and near-end noise compensation in a mixed time-frequency domain compander to improve signal quality in communications systems Methods and systems for a mixed time-frequency domain compander, where the expander and compressor are applied in the frequency domain (subbands), while the limiter and the linear gain are applied in the time-domain (full band). Far-end noise reduction is achieved b... | 07/10/2007 |
| 7233206 | Semiconductor integrated circuit device and wireless communication system As the gain control amplifiers for amplifying the reception signal, the step amplifiers are used. Two sets of these step amplifiers are provided and are then controlled to be used alternately. When switching of the gain occurs, after the gain is switched with the st... | 06/19/2007 |
| 7231036 | Anti-howling circuit detecting howling from effect of predicted echo signal In a system in which echo transferred from a received signal to an outgoing signal is canceled by subtracting an adaptively predicted echo signal from the outgoing signal, howling is detected by detecting the effect of the predicted echo signal. The detected effect ... | 06/12/2007 |
| 7224794 | Transmitting message playback concurrent with speakerphone operation A digital telephone answering device having speakerphone capability allows a recorded message to be played back and heard by the far-end party as well as over the local speakerphone by the near-end party during speakerphone operation as if it were a normal receive s... | 05/29/2007 |
| 7215765 | Method and apparatus for pure delay estimation 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 ... | 05/08/2007 |
| 7209566 | Method and apparatus for determining a nonlinear response function for a loudspeaker A nonlinear response function of a loudspeaker is determined by an iterative process during which the nonlinear response function and a linear response associated with an echo and microphone are alternately revised. ... | 04/24/2007 |
| 7203308 | Echo canceller ensuring further reduction in residual echo An echo canceller includes: an echo cancellation part canceling echo included in a near-end input signal; a noise suppression part employing a low-pass filter having a variable cut-off frequency adaptive to power of an input signal, the noise suppression part removi... | 04/10/2007 |
| 7200222 | Echo canceller employing dual-H architecture having variable adaptive gain settings An echo canceller circuit for use in an echo canceller system is set forth that provides sensitive double-talk detection. The echo canceller circuit comprises a second digital filter having adaptive tap coefficients to simulate an echo response occurring during the ... | 04/03/2007 |
| 7200221 | Methods and systems for providing multi-path echo cancellation Providing multi-path echo cancellation comprises providing a main echo signal corresponding to a main echo section of an echo response and providing a plurality of tail echo signals, each of the plurality of tail echo signals corresponding to respective tail echo se... | 04/03/2007 |
| 7194258 | Wireless communication apparatus, wireless communication network and software upgrading method A base station control portion 200 selects one or plural signals from signals received by plural settable communication paths in accordance with the state of the wave. A wireless communication apparatus 110 communicates with a wireless terminal 300 | 03/20/2007 |
| 7190952 | Wireless communication apparatus, wireless communication network and software upgrading method A base station control portion 200 selects one or plural signals from signals received by plural settable communication paths in accordance with the state of the wave. A wireless communication apparatus 110 communicates with a wireless terminal 300 | 03/13/2007 |
| 7181001 | Apparatus and method for echo cancellation An apparatus and method for echo cancellation that detects and tracks the active regions of the echo channel impulse response rather than the entire echo channel impulse response and uses this sparse model to cancel the echo component of the received signal. Two set... | 02/20/2007 |
| 7174298 | Method and apparatus to improve accuracy of mobile speech-enabled services A speech recognition system includes a user profile to store acoustic data and a corresponding text transcript. A speech recognition (“SR”) server downloads the acoustic data and the corresponding text transcript that are stored in the user profile. A speech rec... | 02/06/2007 |
| 7158631 | Efficient echo cancellation techniques Techniques to cancel echo utilizing reduced die space and reduced usage of a time shared processor. ... | 01/02/2007 |
| 7146003 | Noise level calculator for echo canceller A noise level calculator for detecting noise in a telephone line echo canceller that utilizes adaptive filters enables silencing of noise switching so that it is not heard on the far end side. The calculator promotes determining whether the reference signal applied ... | 12/05/2006 |
| 7142894 | Mobile phone for voice adaptation in socially sensitive environment This invention describes a mobile phone with a means of measuring a background sound level of an environment. When a user either initiates or receives a phone call, sound levels before and during the call are compared. Once it is decided that the voice is too loud b... | 11/28/2006 |
| 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 |
