BRPI1008266A2 - disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais - Google Patents

disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais

Info

Publication number: BRPI1008266A2
Authority: BR; Brazil
Prior art keywords: echo cancellation; acoustic echo; channel acoustic; arrangement; multiple channel
Prior art date: 2009-06-02

Application number

BRPI1008266A

Other languages

English (en)

Inventor

Cornelis Pieter Janse

Mahdi Triki

Original Assignee

Koninkl Philips Electronics Nv

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.)

2009-06-02

Filing date

2010-05-27

Publication date

2016-03-15

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42732084&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI1008266(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2010-05-27 Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv

2016-03-15 Publication of BRPI1008266A2 publication Critical patent/BRPI1008266A2/pt

2020-08-04 Publication of BRPI1008266B1 publication Critical patent/BRPI1008266B1/pt

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
- H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/407—Circuits for combining signals of a plurality of transducers
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Health & Medical Sciences (AREA)
General Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Neurosurgery (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Telephone Function (AREA)
Circuit For Audible Band Transducer (AREA)

BRPI1008266-2A 2009-06-02 2010-05-27 Disposição canceladora de eco acústico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais BRPI1008266B1 (pt)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP09161675		2009-06-02
EP09161675.5		2009-06-02
PCT/IB2010/052352 WO2010140084A1 (en)	2009-06-02	2010-05-27	Acoustic multi-channel cancellation

Publications (2)

Publication Number	Publication Date
BRPI1008266A2 true BRPI1008266A2 (pt)	2016-03-15
BRPI1008266B1 BRPI1008266B1 (pt)	2020-08-04

Family

ID=42732084

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI1008266-2A BRPI1008266B1 (pt)	2009-06-02	2010-05-27	Disposição canceladora de eco acústico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais

Country Status (8)

Country	Link
US (1)	US9008327B2 (pt)
EP (1)	EP2438766B1 (pt)
JP (1)	JP5451876B2 (pt)
KR (1)	KR101676393B1 (pt)
CN (1)	CN102461205B (pt)
BR (1)	BRPI1008266B1 (pt)
RU (1)	RU2546717C2 (pt)
WO (1)	WO2010140084A1 (pt)

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2010
- 2010-05-27 JP JP2012513699A patent/JP5451876B2/ja active Active
- 2010-05-27 RU RU2011153752/28A patent/RU2546717C2/ru active
- 2010-05-27 WO PCT/IB2010/052352 patent/WO2010140084A1/en not_active Ceased
- 2010-05-27 US US13/321,995 patent/US9008327B2/en active Active
- 2010-05-27 EP EP20100727921 patent/EP2438766B1/en active Active
- 2010-05-27 KR KR1020117031433A patent/KR101676393B1/ko active Active
- 2010-05-27 CN CN201080024508.5A patent/CN102461205B/zh active Active
- 2010-05-27 BR BRPI1008266-2A patent/BRPI1008266B1/pt active IP Right Grant

Also Published As

Publication number	Publication date
JP5451876B2 (ja)	2014-03-26
RU2546717C2 (ru)	2015-04-10
KR101676393B1 (ko)	2016-11-29
BRPI1008266B1 (pt)	2020-08-04
KR20120028347A (ko)	2012-03-22
EP2438766A1 (en)	2012-04-11
EP2438766B1 (en)	2015-05-06
CN102461205B (zh)	2014-12-24
US20120063609A1 (en)	2012-03-15
RU2011153752A (ru)	2013-07-20
US9008327B2 (en)	2015-04-14
CN102461205A (zh)	2012-05-16
WO2010140084A1 (en)	2010-12-09
JP2012529211A (ja)	2012-11-15

Publication	Publication Date	Title
BRPI1008266A2 (pt)	2016-03-15	disposição canceladora de eco acustico de múltiplos canais e método de cancelamento de eco acústico de múltiplos canais
BRPI1011667A2 (pt)	2016-03-22	transdutor melhorado de ultra-som
BRPI0910982A2 (pt)	2016-01-05	painel de isolamento acústico
EP2472765C0 (en)	2025-08-13	Improvements to listening capability for reference signals
DK2338287T3 (da)	2013-10-07	Transducersystem
BRPI0912585A2 (pt)	2015-10-13	compósito acústico
EP2148524A4 (en)	2013-09-04	ELECTROACOUSTIC TRANSDUCER
DK2277021T3 (da)	2020-08-17	Acoustic holography
EP2206359A4 (en)	2012-01-11	ACOUSTIC TRANSFORMER
EP2414031A4 (en)	2014-03-26	Sanitary retainer
EP2384019A4 (en)	2016-05-04	MICROPHONE UNIT
DK2144498T3 (da)	2020-06-15	Akustisk bortskræmning
BRPI0924904A2 (pt)	2018-10-16	cancelamento de ruído dsl
BR112012001022A2 (pt)	2016-03-15	seleção entre técnicas de estimativa de vários canais
BRPI0920481A2 (pt)	2015-12-22	dispositivo transdutor acústico, microfone e transdutor
GB0811015D0 (en)	2008-07-23	Improved acoustic device
IT1393670B1 (it)	2012-05-08	Dispositivo di timbratura
GB2466748B (en)	2012-02-08	Electromagnetic acoustic transducer with cross-talk elimination
EP2299590A4 (en)	2013-03-27	ACOUSTIC TREATMENT DEVICE
DE602008005054D1 (de)	2011-04-07	Ultraschallsystem
NO20093389A (no)	2010-09-27	Lyddemper
FR2947235B1 (fr)	2015-12-04	Agencement de connexion
BRPI0816220A2 (pt)	2015-06-16	Disposição de atenuação sonora
BRPI0917279A2 (pt)	2015-11-10	disposição e método para comunicação de sinais de aúdio e cc
EP2273131A4 (en)	2012-08-01	ENCODED

Legal Events

Date	Code	Title	Description
2017-08-08	B25D	Requested change of name of applicant approved	Owner name: KONINKLIJKE PHILIPS N.V. (NL)
2017-09-05	B25G	Requested change of headquarter approved	Owner name: KONINKLIJKE PHILIPS N.V. (NL)
2019-01-15	B06F	Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
2019-07-16	B25A	Requested transfer of rights approved	Owner name: MEDIATEK INC. (TW)
2019-08-27	B06U	Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
2020-03-31	B09A	Decision: intention to grant
2020-08-04	B16A	Patent or certificate of addition of invention granted	Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/08/2020, OBSERVADAS AS CONDICOES LEGAIS.