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:
Jul. 09, 2002
Filed:
Aug. 06, 1998
Yuji Umemoto, Hino, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A portable radio telephone device and control method for same aimed at improving call quality by eliminating unstable operation of the noise canceller at the start of a call due to call origination or call reception, or when in-call muting is cancelled, or when hand-over or resynchronization processing is completed. When the speech codec ( ) is set to a normal operational state, the noise canceller ( ) is activated before the start of operation of the voice encoding/decoding means by at least the time period required for the learning process, such that when the speech codec ( ) is in normal operation, the learning operation of the noise canceller ( ) is in a converged state.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile