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. 03, 1988
Filed:
May. 06, 1987
Applicant:
Inventor:
Toshio Ogawa, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310332 ; 310359 ; 310366 ;
Abstract
A piezoelectric sound generator which comprises a monolithic sintered body obtained by laminating a plurality of ceramic green sheets formed alternately with a plurality of electrodes and cofiring the same. Electrical connections between the electrodes in the sintered body are provided within through-holes formed at the vibrational node of the piezoelectric sound generator.