IP Library › Granted Patent US 6,768,796
Granted Patent Utility
US 6,768,796 · Confirmation No. 3953

SYSTEM AND METHOD FOR ECHO CANCELLATION

Inventor: Youhong Lu
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2001-02-05 ADS Application Data Sheet 1 View
2001-02-05 SPEC Specification 28 View
2001-02-05 CLM Claims 7 View
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2001-02-05 OATH Oath or Declaration filed 2 View
2001-02-05 TRNA Transmittal of New Application 3 View
2001-02-05 ADS Application Data Sheet 1 View
2001-02-05 SPEC Specification 28 View
2001-02-05 CLM Claims 7 View
2001-02-05 ABST Abstract 1 View
2001-02-05 DRW Drawings-only black and white line drawings 10 View
2001-02-05 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,768,796
App. No.
09/777,115
Filed
2001-02-05
Granted
2004-07-27
Pub. No.
US20020131583A1
Art Unit
2644
PTA
-2 days