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:
Feb. 24, 1987
Applicant:
Inventor:
Takehiko Sone, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H / ; H03H / ;
U.S. Cl.
CPC ...
333195 ; 3103 / ; 3103 / ; 333194 ;
Abstract
A surface acoustic wave resonator so constructed that multiple reflection of a surface acoustic wave in interdigital electrodes is suppressed, no sub-resonance caused by the multiple reflection occurs in the inductive areas, and the resonator effects a reliable excitation.