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. 22, 2001
Filed:
Sep. 04, 1998
Applicant:
Inventors:
Yoshihiro Konishi, Kanagawa, JP;
Taro Miura, Tokyo, JP;
Akira Usami, Chiba, JP;
Yoshifumi Misu, Chiba, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/383 ;
U.S. Cl.
CPC ...
H01P 1/383 ;
Abstract
A lumped element circulator having a plurality of operation bands, has a circulator element with a plurality of signal ports and a grounded terminal, and resonance circuits connected between the signal ports and the grounded terminal, respectively, each of the resonance circuits having a plurality of resonance points. The number of the operation bands is equal to the number of the resonance points of each of the resonance circuits.