H03B 29 - Generation of noise currents and voltages

Patents for H03B 29 - Generation of noise currents and voltages (821)
11/2011
11/22/2011	US8064612 Vehicular active vibratory noise control apparatus
11/22/2011	US8064611 Uplink noise cancellation
11/15/2011	US8059827 Noise reduction apparatus
11/08/2011	US8054984 Sound altering apparatus
11/01/2011	US8049571 Frequency-jittering apparatuses, frequency-jittering methods and power management devices
10/2011
10/25/2011	US8045727 Headset power management
10/25/2011	US8045723 Active sound effect generating apparatus
10/19/2011	CN102224674A Noise modifying overhead audio system
10/18/2011	US8041067 Earphone structure with a composite sound field
10/18/2011	US8041047 Plug, sound inputting and outputting apparatus, and noise cancel system
10/04/2011	US8031015 Phase-locked loop circuit
09/2011
09/28/2011	CN102201788A Digital noise generation method
09/21/2011	CN201985817U 一种白噪声随机振动发生器 One kind of white noise random vibration generator
09/13/2011	US8019091 Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
09/06/2011	US8014538 Active noise reducing device
08/2011
08/31/2011	CN201956973U 白噪声发生器 White noise generator
08/25/2011	US20110206213 Active type acoustic control system
08/16/2011	US8000490 Earphone structure with a composite sound field
08/11/2011	DE10358849B4 Integrierte Schaltung und Verfahren zum Testen einer integrierten Schaltung Integrated circuit and method for testing an integrated circuit
07/2011
07/26/2011	US7986791 Method and system for automatically muting headphones
07/13/2011	EP2342815A1 Noise modifying overhead audio system
07/12/2011	US7978861 Method and apparatus for continuous noise exposure monitoring
06/2011
06/28/2011	US7970159 Headphoning
06/28/2011	US7970148 Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities
06/28/2011	CA2367278C Process and device for generating random controlled histogram and spectrum signals
06/08/2011	CN102088273A White noise random vibration generator
06/08/2011	CN101090687B Hearing protector
06/01/2011	CN1914949B Method for adjusting adaptation control of adaptive interference canceller
05/2011
05/24/2011	US7948327 Simplified phase lock loop control model system and method
05/19/2011	US20110116645 Active noise control system and method
05/18/2011	CN102064766A Noise generator
05/05/2011	US20110103603 Noise Reduction System and Noise Reduction Method
05/05/2011	US20110103597 Medic voice data system
04/2011
04/26/2011	US7932787 Phase lock loop control system and method
03/2011
03/22/2011	US7912228 Device and method for operating voice-supported systems in motor vehicles
03/16/2011	CN1578536B Head earphone system and its power supply method and power supply
03/10/2011	US20110058680 Methods and Apparatus for Continuous Noise Exposure Monitoring
03/09/2011	CN1792030B 噪声发生器 Noise Generator
02/2011
02/22/2011	US7894609 Stereo signal processing apparatus
02/22/2011	US7893779 Modulated supply spread spectrum
02/08/2011	US7885418 Acoustic actuator and passive attenuator incorporating a lightweight acoustic diaphragm with an ultra low resonant frequency coupled with a shallow enclosure of small volume
02/08/2011	US7885417 Active noise tuning system
02/03/2011	DE102010025708A1 Ausgabegerät und Prüfvorrichtung Output device and testing unit
02/01/2011	US7881480 System for detecting and reducing noise via a microphone array
01/2011
01/25/2011	US7876913 Apparatus for producing sound effect for mobile object
01/25/2011	US7876910 Vehicular active noise/vibration/sound control system, and vehicle incorporating such system
01/06/2011	US20110002475 Earmuff and headphone
01/04/2011	US7864968 Auditory front end customization
12/2010
12/23/2010	US20100322430 Portable communication device and a method of processing signals therein
11/2010
11/30/2010	US7843278 Frequency jitter generation circuit
11/25/2010	DE102009004577B4 Rauschgenerator zur Erzeugung eines bandbegrenzten Rauschens, dessen Zeitsignal einen niedrigen Crest-Faktor aufweist Noise generator for generating a band-limited noise, the timing signal having a low crest factor
11/17/2010	CN101888209A Gaussian white noise generator based on FPGA (Field Programmable Gate Array)
11/16/2010	US7835529 Sound canceling systems and methods
11/09/2010	US7830214 Adjustable chaotic signal generator using pulse modulation for ultra wideband (UWB) communications and chaotic signal generating method thereof
11/09/2010	US7830213 Signal generator, signal generation method, and RF communication system using the same
09/2010
09/15/2010	CN101196807B Random number generator and random number generation method
09/14/2010	US7797361 System and method for generating random numbers using parity feedback
09/14/2010	US7795983 Chaotic signal enabled low probability intercept communication
09/07/2010	US7792312 Active noise control system
09/02/2010	US20100220867 Active Cancellation Hearing Assistance Device
08/2010
08/31/2010	US7787975 Restoring audio signals
08/31/2010	US7787636 Filtering a microphone signal to remove noise components generated by a disk drive
08/31/2010	US7786815 Apparatus and method for generation of noise signal
08/26/2010	US20100215185 Acoustic echo cancellation
08/24/2010	US7783055 Soundproof climate controlled rack
08/18/2010	CN101807880A Gaussian white noise generator and implement method thereof
08/10/2010	US7773760 Active vibrational noise control apparatus
08/05/2010	WO2010048239A9 Noise modifying overhead audio system
08/03/2010	US7769186 System and method facilitating acoustic echo cancellation convergence detection
07/2010
07/20/2010	US7760035 Noise-generating device and method
07/15/2010	US20100177178 Participant audio enhancement system
07/15/2010	DE102009004577A1 Rauschgenerator zur Erzeugung eines bandbegrenzten Rauschens, dessen Zeitsignal einen niedrigen Crest-Faktor aufweist Noise generator for generating a band-limited noise, the timing signal having a low crest factor
07/08/2010	US20100172511 Active silencer and method for controlling active silencer
07/08/2010	US20100171531 Output buffer with high driving ability
06/2010
06/23/2010	CN101202532B Complementary type metal oxidizing layer semiconductor noise generator
06/22/2010	US7741918 System and method for an enhanced noise shaping for spread spectrum modulation
05/2010
05/27/2010	US20100128883 System And Method Of Calibrating An Echo Canceller Using Preemptive Tone Sequencing
05/18/2010	US7719371 Spread spectrum clock and reference signal generator
04/2010
04/29/2010	WO2010048239A1 Noise modifying overhead audio system
04/28/2010	EP2180464A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle
04/27/2010	US7706547 System and method for noise cancellation
04/27/2010	US7706546 Computer-based onboard noise suppression devices with remote web-based management features
04/15/2010	WO2010041606A1 Comparator, noise generator, and probability resonator
04/06/2010	US7693292 Method and apparatus for canceling fan noise in a computer system
04/06/2010	US7692503 Random number generator based on oscillator noise
04/06/2010	US7692502 Oscillatory system and method for controlling an oscillatory system of this type
03/2010
03/30/2010	US7688984 Active noise control method and apparatus including feedforward and feedback controllers
03/11/2010	US20100061562 Shielded communication transducer
03/09/2010	US7675369 Frequency hopping oscillator circuit
02/2010
02/11/2010	US20100034398 Method for the active reduction of sound disturbance
02/04/2010	WO2008090544A3 Quiet fan incorporating active noise control (anc)
01/2010
01/05/2010	US7642870 Device and method for generating an adjustable chaotic signal
12/2009
12/23/2009	CN101610066A White noise amplitude compensation method
12/15/2009	US7634095 Dynamic tuning of hands-free algorithm for noise and driving conditions
12/10/2009	US20090302955 Frequency jitter generation circuit
11/2009
11/17/2009	US7620188 Cylinder responsive vibratory noise control apparatus
11/10/2009	US7616071 PLL circuit and semiconductor device provided with PLL circuit
11/05/2009	US20090274320 Noise canceling apparatus and noise canceling method
10/2009
10/13/2009	US7602219 Inverting cell
09/2009
09/30/2009	EP1068565B1 Acceleration and security enhancements for elliptic curve and rsa coprocessors

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