AT135834T - SELECTIVE ACTIVE SYSTEM TO REPEAT REPEATING APPEARANCE - Google Patents

SELECTIVE ACTIVE SYSTEM TO REPEAT REPEATING APPEARANCE

Info

Publication number
AT135834T
AT135834T AT89910510T AT89910510T AT135834T AT 135834 T AT135834 T AT 135834T AT 89910510 T AT89910510 T AT 89910510T AT 89910510 T AT89910510 T AT 89910510T AT 135834 T AT135834 T AT 135834T
Authority
AT
Austria
Prior art keywords
selective active
repeat repeating
appearance
repeating appearance
repeat
Prior art date
Application number
AT89910510T
Other languages
English (en)
Inventor
Eldon W Ziegler Jr
Original Assignee
Noise Cancellation Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US07/238,188 priority Critical patent/US4878188A/en
Application filed by Noise Cancellation Tech filed Critical Noise Cancellation Tech
Priority to CA000614070A priority patent/CA1329834C/en
Publication of AT135834T publication Critical patent/AT135834T/de

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785Methods, e.g. algorithms; Devices
    • G10K11/17853Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787General system configurations
    • G10K11/17879General system configurations using both a reference signal and an error signal
    • G10K11/17883General system configurations using both a reference signal and an error signal the reference signal being derived from a machine operating condition, e.g. engine RPM or vehicle speed
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3044Phase shift, e.g. complex envelope processing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3051Sampling, e.g. variable rate, synchronous, decimated or interpolated
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/301Computational
    • G10K2210/3053Speeding up computation or convergence, or decreasing the computational load
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30Means
    • G10K2210/321Physical
    • G10K2210/3222Manual tuning
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50Miscellaneous
    • G10K2210/503Diagnostics; Stability; Alarms; Failsafe
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/50Miscellaneous
    • G10K2210/511Narrow band, e.g. implementations for single frequency cancellation
AT89910510T 1988-08-30 1989-08-30 SELECTIVE ACTIVE SYSTEM TO REPEAT REPEATING APPEARANCE AT135834T (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US07/238,188 US4878188A (en) 1988-08-30 1988-08-30 Selective active cancellation system for repetitive phenomena
CA000614070A CA1329834C (en) 1988-08-30 1989-09-28 Selective active cancellation system for repetitive phenomena

Publications (1)

Publication Number Publication Date
AT135834T true AT135834T (de) 1996-04-15

Family

ID=25673127

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89910510T AT135834T (de) 1988-08-30 1989-08-30 SELECTIVE ACTIVE SYSTEM TO REPEAT REPEATING APPEARANCE

Country Status (7)

Country Link
US (1) US4878188A (de)
EP (1) EP0396666B1 (de)
JP (1) JP2627807B2 (de)
AT (1) AT135834T (de)
AU (1) AU628401B2 (de)
CA (1) CA1329834C (de)
WO (1) WO1990002380A1 (de)

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68916356T2 (de) * 1988-09-30 1994-10-13 Toshiba Kawasaki Kk Lärmunterdrücker.
US5278777A (en) * 1989-10-10 1994-01-11 Nicolet Instrument Corporation Efficient cancelling of AC line interference in electronic instrumentation
US5446790A (en) * 1989-11-24 1995-08-29 Nippondenso Co., Ltd. Intake sound control apparatus
US5105377A (en) * 1990-02-09 1992-04-14 Noise Cancellation Technologies, Inc. Digital virtual earth active cancellation system
US5091953A (en) * 1990-02-13 1992-02-25 University Of Maryland At College Park Repetitive phenomena cancellation arrangement with multiple sensors and actuators
US5423523A (en) * 1990-04-09 1995-06-13 Noise Cancellation Technologies, Inc. Integrated hydraulic mount for active vibration control system
US5233137A (en) * 1990-04-25 1993-08-03 Ford Motor Company Protective anc loudspeaker membrane
US5119902A (en) * 1990-04-25 1992-06-09 Ford Motor Company Active muffler transducer arrangement
US5229556A (en) * 1990-04-25 1993-07-20 Ford Motor Company Internal ported band pass enclosure for sound cancellation
US5063598A (en) * 1990-04-25 1991-11-05 Ford Motor Company Active noise control system with two stage conditioning
US5323466A (en) * 1990-04-25 1994-06-21 Ford Motor Company Tandem transducer magnet structure
US5319165A (en) * 1990-04-25 1994-06-07 Ford Motor Company Dual bandpass secondary source
US5060271A (en) * 1990-05-04 1991-10-22 Ford Motor Company Active muffler with dynamic tuning
US5146505A (en) * 1990-10-04 1992-09-08 General Motors Corporation Method for actively attenuating engine generated noise
DE69131443T2 (de) * 1990-11-01 1999-11-18 Nec Corp Interferenzunterdrücker mit Steuerung der Gewichtungsfaktorenanpassung mit zum Signalleistungspegel umgekehrt proportionaler Stufenhöhe
US5692052A (en) * 1991-06-17 1997-11-25 Nippondenso Co., Ltd. Engine noise control apparatus
US5219037A (en) * 1992-01-21 1993-06-15 General Motors Corporation Component mount assembly providing active control of vehicle vibration
DE69227019T2 (de) * 1992-03-11 1999-03-18 Mitsubishi Electric Corp Dämpfungsgerät
EP0560364B1 (de) * 1992-03-12 1998-10-28 Honda Giken Kogyo Kabushiki Kaisha Schwingungs- und Geräuschregelungssystem für Kraftfahrzeuge
EP0631685A4 (de) * 1992-03-19 1996-01-17 Noise Cancellation Tech Elektronischer unterdrückung von dc-motorlärm.
US5210805A (en) * 1992-04-06 1993-05-11 Ford Motor Company Transducer flux optimization
US5321759A (en) * 1992-04-29 1994-06-14 General Motors Corporation Active noise control system for attenuating engine generated noise
US5359662A (en) * 1992-04-29 1994-10-25 General Motors Corporation Active noise control system
US5222148A (en) * 1992-04-29 1993-06-22 General Motors Corporation Active noise control system for attenuating engine generated noise
US5251263A (en) * 1992-05-22 1993-10-05 Andrea Electronics Corporation Adaptive noise cancellation and speech enhancement system and apparatus therefor
US5627746A (en) * 1992-07-14 1997-05-06 Noise Cancellation Technologies, Inc. Low cost controller
EP0659288B1 (de) * 1992-07-14 2001-05-30 Noise Cancellation Technologies, Inc. Preisgünstiger regler
US5251863A (en) * 1992-08-12 1993-10-12 Noise Cancellation Technologies, Inc. Active force cancellation system
US5315661A (en) * 1992-08-12 1994-05-24 Noise Cancellation Technologies, Inc. Active high transmission loss panel
US5311453A (en) * 1992-09-11 1994-05-10 Noise Cancellation Technologies, Inc. Variable point sampling
US5396414A (en) * 1992-09-25 1995-03-07 Hughes Aircraft Company Adaptive noise cancellation
WO1994008396A1 (en) * 1992-10-05 1994-04-14 Commonwealth Scientific And Industrial Research Organisation Adaptive filtering of periodic noise
US5732143A (en) * 1992-10-29 1998-03-24 Andrea Electronics Corp. Noise cancellation apparatus
EP0683639B1 (de) * 1993-02-09 2000-05-31 NCT Group, Inc. Ultra-lärmarmer staubsauger
US5502869A (en) * 1993-02-09 1996-04-02 Noise Cancellation Technologies, Inc. High volume, high performance, ultra quiet vacuum cleaner
US5332061A (en) * 1993-03-12 1994-07-26 General Motors Corporation Active vibration control system for attenuating engine generated vibrations in a vehicle
US5361303A (en) * 1993-04-01 1994-11-01 Noise Cancellation Technologies, Inc. Frequency domain adaptive control system
US5473214A (en) * 1993-05-07 1995-12-05 Noise Cancellation Technologies, Inc. Low voltage bender piezo-actuators
US5375174A (en) * 1993-07-28 1994-12-20 Noise Cancellation Technologies, Inc. Remote siren headset
NL9302013A (nl) * 1993-11-19 1995-06-16 Tno System for rapid convergence of an adaptive filter when generating a time-variant signal to cancel a primary signal.
US5475761A (en) * 1994-01-31 1995-12-12 Noise Cancellation Technologies, Inc. Adaptive feedforward and feedback control system
WO1995024309A2 (en) * 1994-03-02 1995-09-14 Noise Cancellation Technologies, Inc. Non invasive error sensing dve method and apparatus
JP3572486B2 (ja) * 1994-03-25 2004-10-06 本田技研工業株式会社 振動騒音制御装置
US5660255A (en) * 1994-04-04 1997-08-26 Applied Power, Inc. Stiff actuator active vibration isolation system
US5619581A (en) * 1994-05-18 1997-04-08 Lord Corporation Active noise and vibration cancellation system
US5487027A (en) * 1994-05-18 1996-01-23 Lord Corporation Process and apparatus for providing an analog waveform synchronized with an input signal
US5627896A (en) * 1994-06-18 1997-05-06 Lord Corporation Active control of noise and vibration
US5745580A (en) * 1994-11-04 1998-04-28 Lord Corporation Reduction of computational burden of adaptively updating control filter(s) in active systems
US5695027A (en) * 1995-11-15 1997-12-09 Applied Power Inc. Adaptively tuned vibration absorber
US5710714A (en) * 1995-11-15 1998-01-20 Applied Power Inc. Electronic controller for an adaptively tuned vibration absorber
US5920173A (en) * 1995-11-15 1999-07-06 Applied Power Inc. Feedback enhanced adaptively tuned vibration absorber
US5737433A (en) * 1996-01-16 1998-04-07 Gardner; William A. Sound environment control apparatus
US6072881A (en) * 1996-07-08 2000-06-06 Chiefs Voice Incorporated Microphone noise rejection system
US6002778A (en) * 1996-08-07 1999-12-14 Lord Corporation Active structural control system and method including active vibration absorbers (AVAS)
US6078672A (en) * 1997-05-06 2000-06-20 Virginia Tech Intellectual Properties, Inc. Adaptive personal active noise system
WO1999005998A1 (en) 1997-07-29 1999-02-11 Telex Communications, Inc. Active noise cancellation aircraft headset system
US5930689A (en) * 1997-10-24 1999-07-27 Motorola, Inc. Apparatus and method for producing a plurality of output signals with fixed phase relationships therebetween
US6420975B1 (en) 1999-08-25 2002-07-16 Donnelly Corporation Interior rearview mirror sound processing system
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6480610B1 (en) 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
GB9927131D0 (en) * 1999-11-16 2000-01-12 Royal College Of Art Apparatus for acoustically improving an environment and related method
US6757395B1 (en) 2000-01-12 2004-06-29 Sonic Innovations, Inc. Noise reduction apparatus and method
US20010036280A1 (en) * 2000-06-05 2001-11-01 Astorino John F. Active noise cancellation system recalibration
US6320968B1 (en) 2000-06-28 2001-11-20 Esion-Tech, Llc Adaptive noise rejection system and method
DE10041885A1 (de) * 2000-08-25 2002-03-07 Mueller Bbm Gmbh Sprachsignalübertragungssystem für Fahrzeuge
US6622647B2 (en) 2001-06-26 2003-09-23 Depoy Martin L. Active noise cancellation for a torpedo seeker head
US6717537B1 (en) 2001-06-26 2004-04-06 Sonic Innovations, Inc. Method and apparatus for minimizing latency in digital signal processing systems
JP2003241767A (ja) * 2002-02-14 2003-08-29 Alpine Electronics Inc ノイズキャンセル装置
JP3843082B2 (ja) * 2003-06-05 2006-11-08 本田技研工業株式会社 能動型振動騒音制御装置
US8315583B2 (en) * 2006-08-23 2012-11-20 Quellan, Inc. Pre-configuration and control of radio frequency noise cancellation
DE602004015242D1 (de) * 2004-03-17 2008-09-04 Harman Becker Automotive Sys Geräuschabstimmungsvorrichtung, Verwendung derselben und Geräuschabstimmungsverfahren
JP4074612B2 (ja) * 2004-09-14 2008-04-09 本田技研工業株式会社 能動型振動騒音制御装置
JP4664116B2 (ja) * 2005-04-27 2011-04-06 アサヒビール株式会社 能動騒音抑制装置
US7561076B2 (en) * 2005-04-29 2009-07-14 Freescale Semiconductor, Inc. Front-end method for NICAM encoding
US7109906B1 (en) * 2005-04-29 2006-09-19 Freescale Semiconductor, Inc. NICAM encoder featuring synchronization of a NICAM processor with front-end input and output sections
US8302456B2 (en) 2006-02-23 2012-11-06 Asylum Research Corporation Active damping of high speed scanning probe microscope components
US20080187147A1 (en) * 2007-02-05 2008-08-07 Berner Miranda S Noise reduction systems and methods
US8194874B2 (en) * 2007-05-22 2012-06-05 Polk Audio, Inc. In-room acoustic magnitude response smoothing via summation of correction signals
EP2475192A3 (de) * 2007-12-11 2015-04-01 Bernafon AG Hörgerätsystem mit einem angepassten Filter und Messverfahren
US8577945B2 (en) * 2010-07-12 2013-11-05 Eaton Corporation Method and apparatus of adaptively canceling a fundamental frequency of an analog signal
AU2011203537B2 (en) * 2011-07-12 2014-07-10 Eaton Corporation Method and apparatus of adaptively canceling a fundamental frequency of an analog signal
US9383388B2 (en) 2014-04-21 2016-07-05 Oxford Instruments Asylum Research, Inc Automated atomic force microscope and the operation thereof
US9589574B1 (en) 2015-11-13 2017-03-07 Doppler Labs, Inc. Annoyance noise suppression
US9654861B1 (en) 2015-11-13 2017-05-16 Doppler Labs, Inc. Annoyance noise suppression
PL3491629T3 (pl) * 2016-07-26 2020-12-28 Alert Systems Aps Sposób, aparat i system do wykrywania metalowych obiektów w strefie detekcji

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577322A (en) * 1976-05-13 1980-10-22 Bearcroft R Active attenuation of recurring vibrations
US4122303A (en) * 1976-12-10 1978-10-24 Sound Attenuators Limited Improvements in and relating to active sound attenuation
US4232381A (en) 1979-06-08 1980-11-04 Northrop Corporation Noise cancellation using tracking filter
US4417098A (en) * 1979-08-16 1983-11-22 Sound Attenuators Limited Method of reducing the adaption time in the cancellation of repetitive vibration
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
JPH0683088B2 (ja) * 1985-12-04 1994-10-19 日産自動車株式会社 周期性ノイズの除去装置
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack

Also Published As

Publication number Publication date
JP2627807B2 (ja) 1997-07-09
AU628401B2 (en) 1992-09-17
EP0396666A4 (en) 1991-08-21
CA1329834C (en) 1994-05-24
AU4318089A (en) 1990-03-23
JPH03501317A (de) 1991-03-22
EP0396666A1 (de) 1990-11-14
WO1990002380A1 (en) 1990-03-08
US4878188A (en) 1989-10-31
EP0396666B1 (de) 1996-03-20

Similar Documents

Publication Publication Date Title
AR240255A1 (es) Un metodo de preservacion de virus vivos.
AT151248T (de) IMPROVED PERINATAL PULSED OXIMETER SENSOR
AT135834T (de) SELECTIVE ACTIVE SYSTEM TO REPEAT REPEATING APPEARANCE
AT107004T (de) DOUBLE-WALLED FLUID FEEDING SYSTEM.
AR240499A1 (es) Conjunto de tobera para trepano de perforacion rotativo y metodo de instalacion
AT155902T (de) METHOD AND DEVICE FOR AUTOMATIC DRIVING
AR240243A1 (es) Una composicion oral anticalculo
AR240512A1 (es) Un dispositivo conector de cano
AT160454T (de) MULTIPROCESSOR SYSTEM WITH HIERARCHIC CACHE STORAGE ARRANGEMENT
AT126933T (de) POWER SUPPLY.
AT138212T (de) INTEGRATED CACHE STORAGE UNIT
AR240968A1 (es) Dispositivo perfeccionado de medicion de temperatura con contacto de alerta.
AT102663T (de) VALVE METAL / PLATINUM COMPOSITE ELECTRODE.
AT154452T (de) AUTOMATIC DRIVING DEVICE
AT127240T (de) FERROELECTRIC LIQUID CRYSTAL DEVICE.
AR240489A1 (es) Disposicion para texturizar uno o mas hilados.
AT102543T (de) REINFORCEMENT MATERIAL FOR DUROPLASTE.
AR240189A1 (es) Compresor a embolo-buzo.
AR240480A1 (es) Composicion para el curtido de pieles de animales.
AR240984A1 (es) "procedimiento para la preparacion de un extracto en polvo de raices de valeriana"
DE8802085U1 (de)
AT101469T (de) DEVICE FOR ELIMINATING ELECTROSTATIC CHARGES.
AR240294A1 (es) Dispositivo autorroscable con doble cierre de seguridad orificio de escape de gases y ojal para cadena de fijacion.
AR240356A1 (es) Elemento de union para ensambles de encuentro a tope entre perfiles acanalados.
AR240364A1 (es) Panel modular para armar hornos electricos.

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties