Patents for H03B 29 - Generation of noise currents and voltages (821)
01/2005
01/05/2005EP1494349A1 Spread spectrum clock generator
12/2004
12/30/2004US20040264706 Tuned feedforward LMS filter with feedback control
12/23/2004US20040258252 Active vibratory noise control apparatus
12/23/2004US20040258251 Active vibratory noise control apparatus
12/23/2004US20040258132 Apparatus for generating an additive white Gaussian noise
12/22/2004EP1489595A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle
12/22/2004EP1489594A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle
12/14/2004US6831955 Noise generator
12/09/2004US20040247137 Apparatus for and method of actively controlling vibratory noise, and vehicle with active vibratory noise control apparatus
12/01/2004EP1481219A1 Noise source for starting mems gyroscope
11/2004
11/30/2004US6826494 Psuedo noise generator
11/25/2004US20040234080 Sound canceling systems and methods
11/04/2004WO2004094965A2 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same
10/2004
10/28/2004US20040213419 Noise reduction systems and methods for voice applications
10/28/2004US20040212424 Gaussian noise generator
10/20/2004CN1539138A Method and system for implementing low complexity spectrum estimation technique for comport noise generation
10/20/2004CN1539137A Method and system for generating colored confort noise
10/07/2004WO2004086620A1 Random sequence generator
10/07/2004WO2004086602A1 Noise generator
09/2004
09/30/2004US20040192234 Linear Amplification by synchronized chaotic oscillation
09/30/2004US20040190728 Noise-shapers and filters with noise shaping quantizers and systems and methods using the same
09/29/2004EP1463202A1 Random sequence generator
09/29/2004EP1463199A1 Noise generator
09/28/2004US6798887 Key click masker and method for masking key clicks
09/21/2004US6792802 Noise source for starting MEMS gyroscope
09/09/2004US20040175004 Error signal processing to reduce spectral overlap in an active noise control system
08/2004
08/26/2004US20040167737 Pseudo noise generator
08/24/2004US6782248 Frequency scalable, low self-generated noise frequency source
08/12/2004US20040156511 Intake sound control unsing pure feedforward method with order-based offline calibration
08/10/2004US6775383 Adaptive vibro-acoustic attentuator for launch vehicles
06/2004
06/29/2004US6756854 Digitally controlled angle noise signal generator
06/23/2004CN1507148A Bandwidth-limiting analog white noise generator
06/22/2004US6754353 Non-interference zones generated by acoustic wave cancellation system
05/2004
05/20/2004US20040095167 Waveform generator
05/06/2004US20040085143 Digitally controlled angle noise signal generator
04/2004
04/29/2004US20040083067 Apparatus and method for generating wander noise
04/28/2004CN1147992C Simulated jitter signal generating method and generator
04/27/2004US6727765 Stochastic pulse generator device and method of same
04/21/2004EP1411661A1 Apparatus and method for generating wander noise
03/2004
03/16/2004US6707345 Oscillator frequency variation mechanism
03/04/2004DE10337482A1 Aktives Rauschsteuersystem mit modifiziertem Spektralformungsweg Active noise control system with modified Spektralformungsweg
02/2004
02/26/2004US20040037431 Active noise control system with modified spectral shaping path
02/19/2004US20040032920 Methods and systems for providing a noise signal
01/2004
01/13/2004CA2274473C Microwave active solid state cold/warm noise source
11/2003
11/27/2003US20030219131 Noise cancellation device, engine-noise cancellation device, and noise cancellation method
11/06/2003US20030208516 Low cost white noise generator
10/2003
10/02/2003US20030187527 Computer-based onboard noise suppression devices with remote web-based management features
09/2003
09/23/2003US6625284 Comfort noise generating apparatus
09/18/2003WO2003076876A1 Noise source for starting mems gyroscope
09/18/2003CA2478035A1 Noise source for starting mems gyroscope
09/11/2003US20030169888 Frequency dependent acoustic beam forming and nulling
09/11/2003US20030167842 Noise source for starting MEMS gyroscope
08/2003
08/27/2003EP0943174B1 Microwave active solid state cold/warm noise source
07/2003
07/17/2003US20030134610 Frequency scalable, low self-generated noise frequency source
07/17/2003US20030132808 Oscillator frequency variation mechanism
07/08/2003US6590462 Noise code string generator and CN controller comprising it
07/03/2003US20030125910 Method and system for implementing a gaussian white noise generator for real time speech synthesis applications
07/03/2003US20030123535 Method and system for determining filter gain and automatic gain control
06/2003
06/26/2003US20030120484 Method and system for generating colored comfort noise in the absence of silence insertion description packets
06/25/2003CN1425977A Oscillator frequency change system
06/19/2003US20030112981 Active noise control with on-line-filtered C modeling
05/2003
05/28/2003EP1315282A2 Microwave active solid state cold/warm noise source
05/15/2003US20030093455 Random bit sequence generator
04/2003
04/24/2003US20030078767 Method and system for implementing a low complexity spectrum estimation technique for comfort noise generation
02/2003
02/27/2003US20030038935 Millimeter-and submillimeter-wave noise generator
02/19/2003CN1398500A Noise-resistant microphone
01/2003
01/30/2003WO2003009213A1 Structural noise source predictor
01/30/2003US20030021425 Anti-noise pick-up
01/23/2003US20030016832 Structural noise source predictor
01/08/2003CN1389979A Simulated jitter signal generating method and generator
12/2002
12/19/2002WO2002101727A1 Method and system for determining filter gain and automatic gain control
12/19/2002WO2002101724A1 Method and system for implementing a low complexity spectrum estimation technique for comfort noise generation
12/19/2002WO2002101723A1 Method and system for implementing a gaussian white noise generator for real time speech synthesis applications
12/19/2002WO2002101722A1 Method and system for generating colored comfort noise in the absence of silence insertion description packets
12/10/2002US6492843 Random frequency clock generator
11/2002
11/13/2002EP1256259A1 Acoustically asymmetric bandpass loudspeaker with multiple acoustic filters
10/2002
10/29/2002US6473448 Spread spectrum signal generation method, spread spectrum signal generator, stream encryption method, and stream enciphered codes communication method
10/22/2002US6469576 Amplifier circuit for a physical random number generator and a random number generator using the same
07/2002
07/02/2002US6414558 Method and apparatus for random sequence generator
06/2002
06/11/2002US6404260 Method and apparatus for using a non-periodic signal to perform clock dithering
05/2002
05/30/2002WO2002027917A3 Random frequency clock generator
04/2002
04/18/2002WO2000070742A9 Method and apparatus for random noise generator
04/04/2002WO2002027917A2 Random frequency clock generator
02/2002
02/27/2002CN1337809A Method and device of generating narrow band digital HF noise signal
02/20/2002CN2478282Y Frequency interferometer
11/2001
11/08/2001US20010038697 Echo/noise canceling device for use with personal computers
10/2001
10/10/2001EP1143615A1 Noise code string generator and cn controller comprising it
09/2001
09/05/2001EP1130771A1 Amplifier circuit for a physical random number generator and a random number generator using the same
08/2001
08/30/2001US20010017569 Amplifier circuit for a physical random number generator and a random number generator using the same
08/28/2001US6282292 Amplitude insensitive synchronization of nonlinear systems
08/09/2001WO2001058210A1 Anti-noise pickup
05/2001
05/10/2001WO2001033713A1 Noise code string generator and cn controller comprising it
04/2001
04/11/2001EP0734614B1 Narrow band, arbitrary hf modulation and noise generator
04/10/2001US6216093 Method and apparatus for communication with chaotic and other waveforms
02/2001
02/13/2001US6188294 Method and apparatus for random sequence generator
01/2001
01/31/2001EP1073194A2 Spread spectrum clock generator and associated method
01/17/2001EP1068565A2 Acceleration and security enhancements for elliptic curve and rsa coprocessors
11/2000
11/23/2000WO2000070742A1 Method and apparatus for random noise generator
11/14/2000US6147552 Chopper-stabilized operational amplifier including integrated circuit with true random voltage output
10/2000
10/31/2000US6141313 Integrated circuit with two phase-locked loops and circuit for preventing locking owing to injection
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