CA1298793C - Systeme d'insonorisation active - Google Patents

Systeme d'insonorisation active

Info

Publication number: CA1298793C
Authority: CA; Canada
Prior art keywords: microphone; duct; noise; sound; propagated
Prior art date: 1988-05-12
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

CA000566554A

Other languages

English (en)

Inventor

Adrian William James

Nicolaas Martinus Johannes Dekker

John William Edwards

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.)

General Electric Company PLC

Original Assignee

General Electric Company PLC

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.)

1988-05-12

Filing date

1988-05-12

Publication date

1992-04-14

1988-05-12 Application filed by General Electric Company PLC filed Critical General Electric Company PLC

1988-05-12 Priority to CA000566554A priority Critical patent/CA1298793C/fr

1992-04-14 Application granted granted Critical

1992-04-14 Publication of CA1298793C publication Critical patent/CA1298793C/fr

2009-04-14 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

230000000644 propagated effect Effects 0.000 claims abstract description 12
239000012530 fluid Substances 0.000 claims description 5
230000005284 excitation Effects 0.000 claims description 3
239000000463 material Substances 0.000 claims description 2
230000002238 attenuated effect Effects 0.000 claims 1
230000005540 biological transmission Effects 0.000 claims 1
230000010363 phase shift Effects 0.000 description 3
230000003247 decreasing effect Effects 0.000 description 2
230000005404 monopole Effects 0.000 description 2
241000271566 Aves Species 0.000 description 1
239000006096 absorbing agent Substances 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000010354 integration Effects 0.000 description 1
230000001902 propagating effect Effects 0.000 description 1
238000012216 screening Methods 0.000 description 1
230000003584 silencer Effects 0.000 description 1

Landscapes

Soundproofing, Sound Blocking, And Sound Damping (AREA)
Duct Arrangements (AREA)
Exhaust Silencers (AREA)

CA000566554A 1988-05-12 1988-05-12 Systeme d'insonorisation active Expired - Lifetime CA1298793C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000566554A CA1298793C (fr)	1988-05-12	1988-05-12	Systeme d'insonorisation active

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000566554A CA1298793C (fr)	1988-05-12	1988-05-12	Systeme d'insonorisation active

Publications (1)

Publication Number	Publication Date
CA1298793C true CA1298793C (fr)	1992-04-14

Family

ID=4138011

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000566554A Expired - Lifetime CA1298793C (fr)	1988-05-12	1988-05-12	Systeme d'insonorisation active

Country Status (1)

Country	Link
CA (1)	CA1298793C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112901887A (zh) *	2021-01-14	2021-06-04	哈尔滨工程大学	一种基于电声耦合的管道低频噪声控制装置

1988
- 1988-05-12 CA CA000566554A patent/CA1298793C/fr not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112901887A (zh) *	2021-01-14	2021-06-04	哈尔滨工程大学	一种基于电声耦合的管道低频噪声控制装置

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Legal Events

Date	Code	Title	Description
2003-04-14	MKLA	Lapsed