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.

Date of Patent:
Jan. 20, 2009

Filed:

Sep. 30, 2005
Applicants:

Takeshi Horiuchi, Hachioji, JP;

Yoshihiro Uto, Akishima, JP;

Toshiaki Takahashi, Hino, JP;

Inventors:

Takeshi Horiuchi, Hachioji, JP;

Yoshihiro Uto, Akishima, JP;

Toshiaki Takahashi, Hino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A telephone terminal includes a receiving detector which detects a signal level of a receiving voice signal incoming from the main device, a transmitting detector which detects a signal level of a transmitting voice signal to transmit it to the main device, an adjustment device to adjust the transmitting voice signal and a controller which obtains a control value capable of switching a communication state from a receiving state to a transmitting state to make an acoustic echo to be added to the transmitting voice signal be minimum, based on each signal level of the receiving voice signal and signal level of the transmitting voice signal, and controls the adjustment device based on the control value.


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Horiuchi, Takeshi. (2009). Telephone terminal, telephone system using telephone terminal and control method of telephone terminal (U.S. Patent No. 7480262). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7480262

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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