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Patent Searching and Data


Matches 651 - 700 out of 5,046

Document Document Title
WO/2008/083207A2
A wireless handheld device includes one or more antennas and a connector configured to couple with one or more external accessories. The handheld device further includes an accessory detector coupled to the connector and configured to de...  
WO/2008/082793A2
A noise suppression circuit for use in an audio signal processing circuit is provided. The noise suppression circuit includes a plurality of different types of noise activity detectors, which are each adapted for detecting the presence o...  
WO/2005/094479A3
A configurable antenna system and method of implementing is disclosed, having particular use with a wireless access point of the type used with a wireless local area network. The antenna system includes an antenna arrangement for selecti...  
WO/2008/045983A3
A microphone microchip for a voice communication device. The microchip receives and processes an audio signal from a microphone. The microchip incorporates an RF filter that substantially attenuates noise signals at RF frequencies, while...  
WO/2008/073768A1
A system (100) and method (200) for dynamic frequency synthesizer programming is provided The method can include identifying (202) a first operating frequency (120) of a first oscillator (250), identifying a second operating frequency (1...  
WO/2007/120765A3
The system and method described is directed to receiving digital audio files and automatically converting the received files into haptic events. In an embodiment, the received files are of sampled digital or digitized analog audio files....  
WO/2008/064492A1
Disclosed is a behavioral model for wide-band radio frequency transmitters. Also disclosed are various implementation of the behavioral model for purpose of baseband predistortion of dynamic nonlinear systems, such as wideband wireless t...  
WO/2006/065883A3
Signals propagating on an aggressor communication channel can cause interference in a victim communication channel (110, 115). A sensor (125) coupled to the aggressor channel can obtain a sample of the aggressor signal. The sensor (125) ...  
WO/2008/066128A1
In order to provide a wireless communication apparatus that reduces noise and maintains its receiving sensitivity, a stub (5) with a base end (51) electrically connected with a ground- coupling portion (7) adjacent to an RF circuit (4) a...  
WO/2008/045803A3
An apparatus, a cognitive radio, a processor, a method, and a machine-readable medium for detecting a presence of a signal in a communication channel are disclosed. An apparatus includes a processor configured to select one or more peak ...  
WO/2008/064262A2
In accordance with one aspect of the disclosure, apparatus are provided. A filter is provided to receive from an antenna a receive signal of a given type and a low noise amplifier is provided to amplify the received signal. A translator ...  
WO/2008/036756A3
Techniques are described for automatically determining quasi-static per-link channel assignments for each radio in multiple-hop mesh networks having nodes with two or more radios and where only a small number of channels is available for...  
WO/2008/056870A2
A system and a method of controlling an RF transceiver are provided. The system includes a key input unit (10) for detecting a key selection, a memory unit (20) storing control data required for operating the RF transceiver and a code ta...  
WO/2003/012488A3
An optical amplifier (12(a)), operable to amplify a plurality of optical wavelength signals (116) at least in part through. Raman, amplification is disclosed. The amplifier includes an input operable to receive a plurality of wavelength ...  
WO/2008/030934A3
In a radio access network in which a first access terminal uses a first access point to access the network and a second access terminal uses a second access point to access the network, interference is reduced in communications between t...  
WO/2008/058059A2
The disclosure is directed to a receiver. The receiver includes an interference canceller configured to filter digital samples produced from a modulated signal transmitted over a wireless channel, and a digital variable gain amplifier (D...  
WO/2008/057728A2
Systems and methodologies are described that facilitate mitigating ringing effects of a voltage-controlled oscillator upon turning on a transmitter. A receiver generates at least one frequency offset estimate subsequent to an antecedent ...  
WO/2008/056870A1
A system and a method of controlling an RF transceiver are provided. The system includes a key input unit (10) for detecting a key selection, a memory unit (20) storing control data required for operating the RF transceiver and a code ta...  
WO/2008/057714A1
A zone controller is configured to send a first channel grant signal to a base site to assign a call to a first communication channel and then subsequently send a second channel grant signal to the base site upon determining that the cal...  
WO/2007/117785A3
Methods and corresponding systems for suppressing noise in an input signal (204) include setting a minimum overall gain in a noise reduction processor (206) for processing a first frame of data associated with the input signal (204). In ...  
WO/2008/045983A2
A microphone microchip for a voice communication device. The microchip receives and processes an audio signal from a microphone. The microchip incorporates an RF filter that substantially attenuates noise signals at RF frequencies, while...  
WO/2008/045803A2
An apparatus, a cognitive radio, a processor, a method, and a machine-readable medium for detecting a presence of a signal in a communication channel are disclosed. An apparatus includes a processor configured to select one or more peak ...  
WO/2008/039381A2
A technique includes providing a plurality of local oscillator signals such that each of the local oscillator signals has a different phase. The technique includes providing scaling units to scale the input signal pursuant to different s...  
WO/2008/036756A2
Techniques are described for automatically determining quasi-static per-link channel assignments for each radio in multiple-hop mesh networks having nodes with two or more radios and where only a small number of channels is available for...  
WO/2008/033641A2
The small array microphone apparatus comprises first and second omni- directional microphones, a microphone calibration unit and a directional microphone forming unit. The first and second omni-directional microphones respectively conver...  
WO/2008/022449A1
A wireless communication method and system using virtual MIMO ("V-MIMO") are provided. Post processing signal to interference and noise ratios ("SINR") for a plurality of signals corresponding to a plurality of mobile terminals arranged ...  
WO/2008/023803A1
A communication device includes: a communication (COM) which performs operation control of a function accompanied by electromagnetic wave transmission or reception by an antenna; a touch sensor module (TSM) which has an oscillation circu...  
WO/2007/018888A3
A receiver (1100) includes a direct digital frequency synthesizer (130), a mixer (105), and a clock source (1110, 1130). The direct digital frequency synthesizer has an input terminal for receiving a first clock signal at a first frequen...  
WO/2008/000655A3
A method for avoiding interference in a radio transmission system (12) with at least one carrier frequency (fC) is disclosed, based on a pulse width modulated signal (SPWM). The method is characterised in that a clock frequency (fT) for ...  
WO/2008/015948A1
A noise canceller configured to remove surrounding noise from a desirable sound collected by a first microphone, the noise canceller includes a second microphone arranged in a place separated from the first microphone and configured to c...  
WO/2007/106621A3
This invention provides a method for improved frequency agility and preferably includes transmitting and receiving data on a primary channel; finding a secondary channel substantially free from interference during a period between data t...  
WO/2007/140346A3
Based on an expected error rate for a wireless transmission, the length of the transmission may be limited so that the probability of an error in one or more particular data segments is no greater than a predetermined threshold value. Th...  
WO/2007/025128A3
Noise discrimination in signals from a plurality of sensors is conducted by enhancing the phase difference in the signals such that off-axis pick-up is suppressed while on-axis pick-up is enhanced. Alternatively, attenuation/expansion ar...  
WO2007101338A8
Novel non-data-aided maximum likelihood estimators for the delays and the attenuations in an ultra-wide bandwidth channel are proposed. Numerical results show that these new estimators outperform the previous non-data-aided maximum likel...  
WO/2005/065012A3
This invention describes a method for efficient beamforning for generalized sidelobe canceling (10) using complementary noise separation filtering (31 ) for generating a noise reference for adaptation performance of an adaptive interfere...  
WO/2008/003135A1
A system and technique for feedback cancellation. An off-line feedback estimation filter is adaptive in response to an error signal. An on-line feedback cancellation filter produces a feedback cancellation signal. The on-line feedback ca...  
WO/2008/005072A1
A technique for modifying communication operational parameters using fast, low complexity, accurately calculated SNR values. Techniques may improve upon prior art by calculating SNR values in a more color noise insensitive manner in the ...  
WO/2008/003040A2
One embodiment of the present invention relates to a noise containment and vibration isolation system (100) for integrated audio/video electrical components. The system includes a housing (170), an inlet (122, 124), an outlet (140), an e...  
WO/2008/000655A2
A method for avoiding interference in a radio transmission system (12) with at least one carrier frequency (fC) is disclosed, based on a pulse width modulated signal (SPWM). The method is characterised in that a clock frequency (fT) for ...  
WO/2005/099287A3
A system and related method of utilizing one or more federated mote (802) related content log in a networking environment (706).  
WO/2006/127714A3
A supply voltage controlled power amplifier that comprises a power amplifier, a closed power control feedback loop configured to generate a power control signal, and a dual voltage regulator coupled to the power control feedback loop, th...  
WO2007115104A9
A method of detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector and a second sensing vector, determining inflections of the sensed cardiac sign...  
WO/2006/115864A3
In a wireless communication system, (e.g., a wireless local area network (WLAN)), including a plurality of wireless transmit/receive units (WTRUs) and a coordinating node, (e.g., an access point (AP)), path loss is estimated by transmitt...  
WO/2007/140346A2
Based on an expected error rate for a wireless transmission, the length of the transmission may be limited so that the probability of an error in one or more particular data segments is no greater than a predetermined threshold value. Th...  
WO/2007/115104A3
A method of detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector and a second sensing vector, determining inflections of the sensed cardiac sign...  
WO/2007/100529A3
A state machine circuit may be used to control a multiplexing circuit that selects and provides respective ones of multiple input clock signals to a clock- synthesizing circuit that generates a synthesized clock signal in response to suc...  
WO/2007/128243A1
A base station of realizing self-adaptive group network, wireless access system and method of self-adaptive group network are disclosed, the system consists of interconnected wireless access controllers and base station, the said base st...  
WO/2006/107406A3
The invention can utilize a switching power regulator and a non-switching power regulator in conjunction to provide regulated power to the digital logic. The digital logic and switching regulator may be deactivated during RF activity so ...  
WO/2007/101338A3
Novel non-data-aided maximum likelihood estimators for the delays and the attenuations in an ultra-wide bandwidth channel are proposed. Numerical results show that these new estimators outperform the previous non-data-aided maximum likel...  
WO/2006/099283A3
Provided is a switched multiplexer configured to combine first, second, third and fourth signal paths each covenng a sub-octave in a frequency range of from about 2 to about 18 GHz and to remove transmitter harmonics of an input signal t...  

Matches 651 - 700 out of 5,046