GB1263119A
(en)
*
|
1968-11-21 |
1972-02-09 |
Nippon Electric Co |
Echo suppressor
|
DE1816153B2
(de)
*
|
1968-12-20 |
1971-04-15 |
|
Schaltungsanordnung zur echounterdrueckung in einem sprech kreis auf einem vierdraht uebertragungssystem bei einem uebergang auf einen zweidrahtuebertragungsweg
|
US3632905A
(en)
*
|
1969-12-19 |
1972-01-04 |
Bell Telephone Labor Inc |
Method for improving the settling time of a transversal filter adaptive echo canceller
|
US3597541A
(en)
*
|
1969-12-23 |
1971-08-03 |
Sylvania Electric Prod |
Decision-directed adapted equalizer circuit
|
US3647992A
(en)
*
|
1970-03-05 |
1972-03-07 |
Bell Telephone Labor Inc |
Adaptive echo canceller for nonlinear systems
|
NL163926C
(nl)
*
|
1970-03-12 |
1980-10-15 |
Siemens Ag |
Groep van echo-onderdrukkingsinrichtingen.
|
US3699271A
(en)
*
|
1970-11-16 |
1972-10-17 |
Bell Telephone Labor Inc |
Speech processor using multiband controlled center clipping
|
US3780233A
(en)
*
|
1971-09-20 |
1973-12-18 |
Communications Satellite Corp |
Adpative echo cancellers with compandors
|
US3721777A
(en)
*
|
1971-11-26 |
1973-03-20 |
Bell Telephone Labor Inc |
Echo path delay simulator for use with adaptive echo cancellers
|
US3836734A
(en)
*
|
1971-12-03 |
1974-09-17 |
Communications Satellite Corp |
Adaptive echo canceller with multi-increment gain coefficient corrections
|
GB1434239A
(en)
*
|
1972-08-10 |
1976-05-05 |
Siemens Ag |
Echo cancellers
|
US4144417A
(en)
*
|
1975-03-07 |
1979-03-13 |
Kokusai Denshin Denwa Kabushiki Kaisha |
Echo cancelling system
|
US4087654A
(en)
*
|
1975-11-28 |
1978-05-02 |
Bell Telephone Laboratories, Incorporated |
Echo canceller for two-wire full duplex data transmission
|
USRE31253E
(en)
*
|
1976-09-07 |
1983-05-24 |
Bell Telephone Laboratories, Incorporated |
Echo cancellation in two-wire, two-way data transmission systems
|
SE416367B
(sv)
*
|
1976-09-07 |
1980-12-15 |
Western Electric Co |
Ekoelimineringsanordning
|
US4129753A
(en)
*
|
1977-12-09 |
1978-12-12 |
Bell Telephone Laboratories, Incorporated |
Echo canceller using feedback to improve speech detector performance
|
US4243959A
(en)
*
|
1979-06-21 |
1981-01-06 |
Bell Telephone Laboratories, Incorporated |
Adaptive filter with tap coefficient leakage
|
US4491701A
(en)
*
|
1981-03-05 |
1985-01-01 |
At&T Bell Laboratories |
Adaptive filter including a far end energy discriminator
|
US4405840A
(en)
*
|
1981-03-05 |
1983-09-20 |
Bell Telephone Laboratories, Incorporated |
Echo canceler far end energy discriminator
|
US4375692A
(en)
*
|
1981-04-30 |
1983-03-01 |
The United States Of America As Represented By The Secretary Of The Navy |
Least squares lattice decision feedback equalizer
|
US4554417A
(en)
*
|
1983-02-04 |
1985-11-19 |
At&T Bell Laboratories |
Tandem adaptive echo canceler arrangement
|
EP0117626A3
(en)
*
|
1983-02-04 |
1985-12-18 |
Western Electric Company, Incorporated |
Improvements in or relating to adaptive filter arrangements
|
US4747132A
(en)
*
|
1984-04-09 |
1988-05-24 |
Matsushita Electric Industrial Co., Ltd. |
Howling canceller
|
GB2159376B
(en)
*
|
1984-05-22 |
1987-08-26 |
Emi Ltd |
An echo cancelling system
|
US4628157A
(en)
*
|
1984-09-07 |
1986-12-09 |
At&T Bell Laboratories |
Bidirectional adaptive voice frequency repeater
|
US4584441A
(en)
*
|
1984-09-07 |
1986-04-22 |
At&T Bell Laboratories |
Bidirectional adaptive voice frequency repeater
|
US4731834A
(en)
*
|
1984-10-01 |
1988-03-15 |
American Telephone And Telegraph Company, At&T Bell Laboratories |
Adaptive filter including signal path compensation
|
US4629829A
(en)
*
|
1984-12-14 |
1986-12-16 |
Motorola, Inc. |
Full duplex speakerphone for radio and landline telephones
|
US4811342A
(en)
*
|
1985-11-12 |
1989-03-07 |
Racal Data Communications Inc. |
High speed analog echo canceller
|
CA1242541A
(en)
*
|
1985-11-25 |
1988-09-27 |
Dany Sylvain |
Echo cancellation in two-wire transmission path repeaters
|
US5333194A
(en)
*
|
1990-10-15 |
1994-07-26 |
Glenayre Electronics, Inc. |
Autoequalizing bidirectional-to-unidirectional hybrid network
|
JP2829129B2
(ja)
*
|
1991-08-30 |
1998-11-25 |
ディジタル サウンド コーポレイション |
音声メッセージシステム用適応型エコーキャンセラー
|
US5353348A
(en)
*
|
1993-05-14 |
1994-10-04 |
Jrc International, Inc. |
Double echo cancelling system
|
US5566167A
(en)
*
|
1995-01-04 |
1996-10-15 |
Lucent Technologies Inc. |
Subband echo canceler
|
US5610909A
(en)
*
|
1995-05-31 |
1997-03-11 |
Lucent Technologies Inc. |
Multistage echo canceler including time variation compensation
|
US6002776A
(en)
*
|
1995-09-18 |
1999-12-14 |
Interval Research Corporation |
Directional acoustic signal processor and method therefor
|
JPH09223990A
(ja)
*
|
1996-02-19 |
1997-08-26 |
Fujitsu Ltd |
伝送装置
|
US6813352B1
(en)
|
1999-09-10 |
2004-11-02 |
Lucent Technologies Inc. |
Quadrature filter augmentation of echo canceler basis functions
|
US7164659B2
(en)
*
|
1999-12-09 |
2007-01-16 |
Broadcom Corporation |
Adaptive gain control based on echo canceller performance information
|
US6704349B1
(en)
*
|
2000-01-18 |
2004-03-09 |
Ditrans Corporation |
Method and apparatus for canceling a transmit signal spectrum in a receiver bandwidth
|
US6361486B1
(en)
*
|
2000-02-29 |
2002-03-26 |
Agilent Technologies, Inc. |
Coaxial-drive centrifuge providing tilt control relative to centrifugal force
|
US6912281B2
(en)
*
|
2002-12-30 |
2005-06-28 |
Texas Instruments Incorporated |
Route delay sensitive echo cancellation
|
US7003098B2
(en)
*
|
2003-05-15 |
2006-02-21 |
At&T Corp. |
Method and system for measurement of the delay through a network link bounded by an echo canceller
|
US20070149496A1
(en)
*
|
2003-10-31 |
2007-06-28 |
Jack Tuszynski |
Water-soluble compound
|
US20060034943A1
(en)
*
|
2003-10-31 |
2006-02-16 |
Technology Innovations Llc |
Process for treating a biological organism
|
US9729967B2
(en)
|
2013-03-08 |
2017-08-08 |
Board Of Trustees Of Northern Illinois University |
Feedback canceling system and method
|
US9818424B2
(en)
|
2013-05-06 |
2017-11-14 |
Waves Audio Ltd. |
Method and apparatus for suppression of unwanted audio signals
|