BR9608862A - Telefone - Google Patents

Telefone

Info

Publication number
BR9608862A
BR9608862A BR9608862A BR9608862A BR9608862A BR 9608862 A BR9608862 A BR 9608862A BR 9608862 A BR9608862 A BR 9608862A BR 9608862 A BR9608862 A BR 9608862A BR 9608862 A BR9608862 A BR 9608862A
Authority
BR
Brazil
Prior art keywords
telephone
Prior art date
Application number
BR9608862A
Other languages
English (en)
Inventor
Jim Rasmussen
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of BR9608862A publication Critical patent/BR9608862A/pt

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
BR9608862A 1995-05-30 1996-05-30 Telefone BR9608862A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/452,904 US5636272A (en) 1995-05-30 1995-05-30 Apparatus amd method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones
PCT/US1996/007875 WO1996038973A1 (en) 1995-05-30 1996-05-30 Apparatus and method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones

Publications (1)

Publication Number Publication Date
BR9608862A true BR9608862A (pt) 1999-06-15

Family

ID=23798435

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9608862A BR9608862A (pt) 1995-05-30 1996-05-30 Telefone

Country Status (8)

Country Link
US (1) US5636272A (pt)
CN (1) CN1191650A (pt)
AU (1) AU5938496A (pt)
BR (1) BR9608862A (pt)
DE (1) DE19681415T1 (pt)
GB (1) GB2317072B (pt)
SE (1) SE518039C2 (pt)
WO (1) WO1996038973A1 (pt)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6199158B1 (en) 1998-12-16 2001-03-06 Nokia Mobile Phones Ltd. Method and apparatus for configuring variant software for electronic devices
US7120579B1 (en) 1999-07-28 2006-10-10 Clear Audio Ltd. Filter banked gain control of audio in a noisy environment
JP2004507141A (ja) * 2000-08-14 2004-03-04 クリアー　オーディオ　リミテッド 音声強調システム
JP2002169581A (ja) * 2000-11-29 2002-06-14 Matsushita Electric Ind Co Ltd 音声合成方法およびその装置
US6785382B2 (en) * 2001-02-12 2004-08-31 Signalworks, Inc. System and method for controlling a filter to enhance speakerphone performance
US7027591B2 (en) * 2002-10-16 2006-04-11 Ericsson Inc. Integrated noise cancellation and residual echo suppression
US8457614B2 (en) * 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
ATE492979T1 (de) * 2005-09-20 2011-01-15 Ericsson Telefon Ab L M Verfahren zur messung der sprachverständlichkeit
CN101001293B (zh) * 2006-01-13 2010-04-21 讯强通讯科技股份有限公司 无线耳机通讯中回音的消除方法
US8081766B2 (en) * 2006-03-06 2011-12-20 Loud Technologies Inc. Creating digital signal processing (DSP) filters to improve loudspeaker transient response
US8050398B1 (en) 2007-10-31 2011-11-01 Clearone Communications, Inc. Adaptive conferencing pod sidetone compensator connecting to a telephonic device having intermittent sidetone
US8199927B1 (en) 2007-10-31 2012-06-12 ClearOnce Communications, Inc. Conferencing system implementing echo cancellation and push-to-talk microphone detection using two-stage frequency filter
CN101453532B (zh) * 2007-11-30 2013-03-20 博通集成电路（上海）有限公司 用于扬声器开关中的声音处理装置
US8675882B2 (en) * 2008-01-21 2014-03-18 Panasonic Corporation Sound signal processing device and method
CN102314933A (zh) * 2010-07-08 2012-01-11 宏碁股份有限公司 多媒体播放设备及产生多媒体播放设备的输出信号的方法
CN103796135B (zh) * 2012-10-31 2018-06-19 马克西姆综合产品公司 具有回声消除的动态扬声器管理
WO2014088659A1 (en) * 2012-12-06 2014-06-12 Intel Corporation New carrier type (nct) information embedded in synchronization signal
WO2015130257A1 (en) 2014-02-25 2015-09-03 Intel Corporation Apparatus, system and method of simultaneous transmit and receive (str) wireless communication
US9923592B2 (en) 2015-12-26 2018-03-20 Intel Corporation Echo cancellation using minimal complexity in a device
DK3273608T3 (da) * 2016-07-20 2022-03-14 Sennheiser Electronic Gmbh & Co Kg Adaptiv filterenhed til anvendelse som en ekkokompensator
US9865274B1 (en) * 2016-12-22 2018-01-09 Getgo, Inc. Ambisonic audio signal processing for bidirectional real-time communication
CN113019479A (zh) * 2021-03-31 2021-06-25 中国人民解放军空军军医大学 一种用于模拟井下工作环境的试验箱

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1147982B (de) * 1960-08-13 1963-05-02 Blaupunkt Werke Gmbh Anordnung zur Musikwiedergabe in einem Kraftfahrzeug
US3300583A (en) * 1963-05-13 1967-01-24 Motorola Inc Automobile speaker system with reverberation
JPS583430A (ja) * 1981-06-30 1983-01-10 Nec Corp まわり込信号抑圧装置
JPS6281197A (ja) * 1985-10-03 1987-04-14 Nissan Motor Co Ltd 音場改善装置
JPS644200A (en) * 1987-06-26 1989-01-09 Nissan Motor Sound field improving device
DE3734447C1 (de) * 1987-10-12 1989-05-18 Telefonbau & Normalzeit Gmbh Konferenz-Freisprecheinrichtung
US4922530A (en) * 1988-03-18 1990-05-01 Tellabs, Inc. Adaptive filter with coefficient averaging and method
JPH01319360A (ja) * 1988-06-20 1989-12-25 Nec Corp 音声会議装置
US5027369A (en) * 1990-03-26 1991-06-25 Motorola, Inc. Rapid convergence decision feedback equalizer
US5173924A (en) * 1990-05-21 1992-12-22 Sony Corporation Method for equalizing received burst signal
JPH04149598A (ja) * 1990-10-12 1992-05-22 Pioneer Electron Corp 音場補正装置
EP0518383B1 (en) * 1991-06-13 1997-09-03 Nec Corporation Method and arrangement of echo elimination in digital telecommunications 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
CA2052351C (en) * 1991-09-27 2000-05-23 Gordon J. Reesor Telephone handsfree algorithm
EP0543568A2 (en) * 1991-11-22 1993-05-26 AT&T Corp. High resolution filtering using low resolution processors
IT1254819B (it) * 1992-02-24 1995-10-11 Sits Soc It Telecom Siemens Procedimento e dispositivo per la cancellazione numerica adattativa dell'eco generato in collegamenti telefonici non stazionari
JP2780576B2 (ja) * 1992-08-05 1998-07-30 日本電気株式会社 干渉波除去装置
DE69330902T2 (de) * 1992-11-25 2002-06-20 Koninklijke Philips Electronics N.V., Eindhoven Echokompensator, Nachrichtenübertragungssystem und Station mit solch einem Echokompensator
DE4305256A1 (de) * 1993-02-20 1994-08-25 Sel Alcatel Ag Verfahren zum Verbessern der akustischen Rückhördämpfung von elektroakustischen Anlagen
US5323458A (en) * 1993-10-25 1994-06-21 Motorola Inc. Echo cancellation in a full-duplex speakerphone

Also Published As

Publication number Publication date
SE518039C2 (sv) 2002-08-20
AU5938496A (en) 1996-12-18
SE9704406L (sv) 1998-01-21
DE19681415T1 (de) 1998-06-18
GB2317072B (en) 2000-05-03
CN1191650A (zh) 1998-08-26
GB2317072A (en) 1998-03-11
SE9704406D0 (sv) 1997-11-28
WO1996038973A1 (en) 1996-12-05
US5636272A (en) 1997-06-03
GB9724624D0 (en) 1998-01-21

Similar Documents

Publication Publication Date Title
FI954638A0 (fi) Toimistoviestintäjärjestelmä
DE69635132D1 (de) Endgerät
BR9608862A (pt) Telefone
ATA135896A (de) Skibob
DE69631288D1 (de) Fernsprechvermittlungsanlage
ATE198470T1 (de) Alkenyl-benzoylguanidine
NL1000309C1 (nl) Telefoontoestel.
ATE240972T1 (de) Cyclopeptolide
ES1028395Y (es) Teleportero mejorado
ATA119896A (de) Scheibenmähwerk
FI973261A0 (fi) Puhelinasema
KR970011662U (ko) 개량형 이너폰
ATE143550T1 (de) Telefonstation
KR960029842U (ko) 개량전화기
KR960032955U (ko) 통신장치
KR970047851U (ko) 개량형 송수화기
KR970026146U (ko) 개량형 송수화기
KR960029783U (ko) 전화기용 커넥터
SE9502050D0 (sv) Minibar-system
KR970042986U (ko) 콜킹
BR7400215U (pt) Teleapostas
KR970007621U (ko) 개량형 이너폰
KR970015524U (ko) 전화라인 온 오프장치
BR7501018U (pt) Intercomunicador telefonico
KR970011496U (ko) 전화벨 음량 자동 조절 장치

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A, 13A, 14A E 15A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2258 DE 15/04/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 12A, 13A, 14A E 15A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.