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:
Feb. 02, 1993
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Kikuo Wakino, Nagaokakyo, JP;
Toshio Hishikawa, Nagaokakyo, JP;
Youhei Ishikawa, Nagaokakyo, JP;
Koichi Takehara, Nagaokakyo, JP;
Toru Tanizaki, Nagaokakyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ; H01P / ;
U.S. Cl.
CPC ...
333175 ; 333202 ; 333204 ; 333206 ;
Abstract
A parallel connection multi-stage band-pass filter including an input terminal and an output terminal for signals, a plurality of resonators respectively having resonator frequencies different from and close to one another which are electrically connected in parallel to each other between said input and output terminals.