Echo cancelling/suppression for handsets

Details Echo cancelling/suppression for handsets Echo cancelling/suppression for handsets

2006-02-14

2006-02-14

Tran, Sinh (Department: 2644)

Telephonic communications

Echo cancellation or suppression

C379S406020, C379S406030, C379S406050, C379S406060, C379S406080

Reexamination Certificate

active

06999582

ABSTRACT:
A method for suppressing echo signals generated in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring signals supplied to the communication path to determine an attribute thereof and masking signals received from the communication path as a function of the determined attribute of the monitored signals thereby to suppress echo.

REFERENCES:
patent: 4139899 (1979-02-01), Tulpule et al.
patent: 4623980 (1986-11-01), Vary
patent: 5072418 (1991-12-01), Boutaud et al.
patent: 5668794 (1997-09-01), McCaslin et al.
patent: 5729725 (1998-03-01), Kato et al.
patent: 5859914 (1999-01-01), Ono et al.
patent: 5887059 (1999-03-01), Xie et al.
patent: 6128725 (2000-10-01), Leach
patent: WO 99/22460 (1999-05-01), None

Affiliated with

Also associated with

Rating

Echo cancelling/suppression for handsets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Echo cancelling/suppression for handsets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Echo cancelling/suppression for handsets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3651329