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:
Mar. 20, 2007
Filed:
Jul. 23, 2002
Applicants:
Sawako Usuki, Hyogo, JP;
Shuji Saiki, Nara, JP;
Inventors:
Sawako Usuki, Hyogo, JP;
Shuji Saiki, Nara, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01); H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric-mechanical-acoustic-transducer includes a diaphragm; a movable section; a driving section for generating a driving force for vibrating the diaphragm and the movable section; and a suppression section for suppressing a sharpness (Q factor) of a vibration force obtained by the vibration of the movable section.
Usuki, Sawako. (2007). Electric-mechanical-acoustic-transducer and portable communication device including the same (U.S. Patent No. 7194287). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7194287
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile