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:
Oct. 05, 2004
Filed:
Mar. 27, 2003
Applicant:
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03P 1/20 ;
U.S. Cl.
CPC ...
H03P 1/20 ;
Abstract
The extent of input/output coupling of a dielectric electronic component such as a dielectric filter or a dielectric duplexer can be adjusted by a novel method. The dielectric filter comprises excitation holes whose short-circuiting ends are provided with respective coupling-adjusting countersinks.