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:
May. 11, 1999
Filed:
Feb. 26, 1997
Applicant:
Inventor:
Hideo Sano, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
455570 ; 455550 ;
Abstract
A noise suppressing circuit in a digital portable telephone which adjusts a level of signals from a microphone through an analog-to-digital converter to suppress ambient noise. An encoder producers encoded signals from output signals of the noise suppressing circuit. By suppressing ambient noise in a transmitting side, the digital portable telephone is capable of preventing an awkward feeling to a person in a receiving side.
Sano, Hideo. (1999). Radio transceiver including noise suppressor (U.S. Patent No. 5903853). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5903853
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile