The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 2010
Filed:
May. 29, 2006
Applicants:
Siew Kok Hui, Singapore, SG;
Eng Sui Tan, Singapore, SG;
Kok Heng Loh, Singapore, SG;
Inventors:
Assignee:
Bitwave Pte Ltd, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a wireless headset with echo control and noise cancellation. The present invention also provides a method with phase reversion for echo control of a wireless headset wherein the wireless headset comprises closely disposed speakers and acoustic sensors. The present invention further provides a method with beamforming for noise cancellation of a wireless headset wherein the wireless headset comprises two separate units disposed in distance, and wherein each unit comprises an acoustic sensor.