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:
Jan. 11, 1983
Filed:
Jul. 01, 1981
Applicant:
Inventors:
Michihiro Torii, Hamamatsu, JP;
Kohei Hirukawa, Kosai, JP;
Ryoji Tsuchiya, Hamamatsu, JP;
Hiroshi Urata, Kosai, JP;
Isamu Sasaki, Kosai, JP;
Kunio Esaki, Kosai, JP;
Assignee:
Fuji Electrochemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H03H / ;
U.S. Cl.
CPC ...
310367 ; 310353 ; 310359 ; 310366 ; 333197 ;
Abstract
An H-type ceramic resonator having two resonating leaves, a connecting leaf for bridging the two resonating leaves to form an H-shape, and electrodes disposed on at least both surfaces of the resonating leaves. The resonator has a dimensional relationship which falls within the following equities: