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:
Nov. 10, 1992
Filed:
Mar. 29, 1991
Applicant:
Inventor:
Kotaro Yajima, Tokyo, JP;
Assignee:
Kinseki Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H / ;
U.S. Cl.
CPC ...
333188 ; 333189 ;
Abstract
A band-pass filter includes a first filter, a second filter, and switching elements. The first filter is constituted by a plurality of filter elements. The second filter is constituted by a plurality of filter means and connected in series with the first filter. The switching elements can short-circuit either one of the first and second filters.