DE69428974D1 - Aktives adaptives Regulierungssystem mit spektralem Lecksignal - Google Patents

Aktives adaptives Regulierungssystem mit spektralem Lecksignal

Info

Publication number
DE69428974D1
DE69428974D1 DE69428974T DE69428974T DE69428974D1 DE 69428974 D1 DE69428974 D1 DE 69428974D1 DE 69428974 T DE69428974 T DE 69428974T DE 69428974 T DE69428974 T DE 69428974T DE 69428974 D1 DE69428974 D1 DE 69428974D1
Authority
DE
Germany
Prior art keywords
regulation system
leak signal
adaptive regulation
active adaptive
spectral leak
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69428974T
Other languages
English (en)
Other versions
DE69428974T2 (de
Inventor
Mark C Allie
Steven R Popovich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digisonix Inc
Original Assignee
Digisonix Inc
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
Application filed by Digisonix Inc filed Critical Digisonix Inc
Application granted granted Critical
Publication of DE69428974D1 publication Critical patent/DE69428974D1/de
Publication of DE69428974T2 publication Critical patent/DE69428974T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H2021/007—Computation saving measures; Accelerating measures
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H03H2021/007—Computation saving measures; Accelerating measures
    • H03H2021/0072—Measures relating to the coefficients
    • H03H2021/0074—Reduction of the update frequency
DE69428974T 1993-12-14 1994-12-09 Aktives adaptives Regulierungssystem mit spektralem Lecksignal Expired - Lifetime DE69428974T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/166,698 US5586189A (en) 1993-12-14 1993-12-14 Active adaptive control system with spectral leak

Publications (2)

Publication Number Publication Date
DE69428974D1 true DE69428974D1 (de) 2001-12-13
DE69428974T2 DE69428974T2 (de) 2002-04-04

Family

ID=22604354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428974T Expired - Lifetime DE69428974T2 (de) 1993-12-14 1994-12-09 Aktives adaptives Regulierungssystem mit spektralem Lecksignal

Country Status (4)

Country Link
US (1) US5586189A (de)
EP (1) EP0661807B1 (de)
CA (1) CA2135695C (de)
DE (1) DE69428974T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715320A (en) * 1995-08-21 1998-02-03 Digisonix, Inc. Active adaptive selective control system
US5968371A (en) * 1998-01-26 1999-10-19 Nelson Industries, Inc. Lubricant circulation diagnostic and modeling system
EP0973151B8 (de) 1998-07-16 2009-02-25 Panasonic Corporation Lärmkontrolleanordnung
EP1143411A3 (de) * 2000-04-06 2004-11-03 Siemens VDO Automotive Inc. Stabilitätslösung für aktive Lärmdämpfung
US20020039422A1 (en) * 2000-09-20 2002-04-04 Daly Paul D. Driving mode for active noise cancellation
US20020076058A1 (en) * 2000-12-19 2002-06-20 Astorino John Frank Engine rotation reference signal for noise attenuation
US6549629B2 (en) 2001-02-21 2003-04-15 Digisonix Llc DVE system with normalized selection
US20030112981A1 (en) * 2001-12-17 2003-06-19 Siemens Vdo Automotive, Inc. Active noise control with on-line-filtered C modeling
US8135140B2 (en) 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
US9020158B2 (en) 2008-11-20 2015-04-28 Harman International Industries, Incorporated Quiet zone control system
US8718289B2 (en) 2009-01-12 2014-05-06 Harman International Industries, Incorporated System for active noise control with parallel adaptive filter configuration
US8189799B2 (en) 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
US8199924B2 (en) * 2009-04-17 2012-06-12 Harman International Industries, Incorporated System for active noise control with an infinite impulse response filter
US8077873B2 (en) 2009-05-14 2011-12-13 Harman International Industries, Incorporated System for active noise control with adaptive speaker selection

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677677A (en) * 1985-09-19 1987-06-30 Nelson Industries Inc. Active sound attenuation system with on-line adaptive feedback cancellation
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
US4736431A (en) * 1986-10-23 1988-04-05 Nelson Industries, Inc. Active attenuation system with increased dynamic range
US4815139A (en) * 1988-03-16 1989-03-21 Nelson Industries, Inc. Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
US4837834A (en) * 1988-05-04 1989-06-06 Nelson Industries, Inc. Active acoustic attenuation system with differential filtering
US5033082A (en) * 1989-07-31 1991-07-16 Nelson Industries, Inc. Communication system with active noise cancellation
US5022082A (en) * 1990-01-12 1991-06-04 Nelson Industries, Inc. Active acoustic attenuation system with reduced convergence time
US4987598A (en) * 1990-05-03 1991-01-22 Nelson Industries Active acoustic attenuation system with overall modeling
US5172416A (en) * 1990-11-14 1992-12-15 Nelson Industries, Inc. Active attenuation system with specified output acoustic wave
US5216721A (en) * 1991-04-25 1993-06-01 Nelson Industries, Inc. Multi-channel active acoustic attenuation system
JP3089082B2 (ja) * 1991-07-10 2000-09-18 シャープ株式会社 適応型ディジタルフィルタ
US5283834A (en) * 1991-08-26 1994-02-01 Nelson Industries, Inc. Acoustic system suppressing detection of higher order modes
US5216722A (en) * 1991-11-15 1993-06-01 Nelson Industries, Inc. Multi-channel active attenuation system with error signal inputs
JP3561920B2 (ja) * 1991-12-25 2004-09-08 ソニー株式会社 雑音低減装置
GB9201761D0 (en) * 1992-01-28 1992-03-11 Active Noise & Vibration Tech Active cancellation
US5206911A (en) * 1992-02-11 1993-04-27 Nelson Industries, Inc. Correlated active attenuation system with error and correction signal input
DE69328851T2 (de) * 1992-07-07 2000-11-16 Sharp Kk Aktive Regelungsvorrichtung mit einem adaptiven Digitalfilter

Also Published As

Publication number Publication date
CA2135695A1 (en) 1995-06-15
CA2135695C (en) 1999-11-02
DE69428974T2 (de) 2002-04-04
EP0661807B1 (de) 2001-11-07
US5586189A (en) 1996-12-17
EP0661807A2 (de) 1995-07-05
EP0661807A3 (de) 1997-04-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BONGEN, RENAUD & PARTNER, 70173 STUTTGART