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. 13, 2003
Filed:
Apr. 06, 1998
Applicant:
Inventors:
Takeshi Nakamura, Ull, JP;
Takayuki Kaneko, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 2/500 ;
U.S. Cl.
CPC ...
H04R 2/500 ;
Abstract
A speaker has a semi-spherical vibration section and a ringed plate-like base section. The vibration section and the base section are formed as a single, unitary piezoelectric body. Driving electrodes are located on the single unitary body comprising the vibration section and the base section. The driving electrodes are connected with lead electrodes and the lead electrodes are connected with connecting terminals.