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:
Mar. 18, 2003
Filed:
Jan. 04, 2002
Applicant:
Inventors:
Yasuhiko Horio, Osaka, JP;
Takayuki Takeuchi, Ibaraki, JP;
Masumi Hattori, Hirakata, JP;
Hiroyuki Hase, Kyoto, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/383 ; H01P 1/36 ;
U.S. Cl.
CPC ...
H01P 1/383 ; H01P 1/36 ;
Abstract
A non-reciprocal circuit element for transmitting a signal in one way or cyclically transmitting the signal by using circuit means having at least a ferrite ( ), transmission lines ( and ), and a capacitor ( ), has at least two external input/output terminals ( and ) for transferring a signal to and from an external unit and at least one of external grounding terminals ( and ) for grounding, wherein at least one ( ) of the external grounding terminals is set between at least one set of the external input/output terminals ( and ).