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:
Jan. 14, 1992
Filed:
Jan. 04, 1989
Applicant:
Inventors:
Tetsuji Inui, Tokyo, JP;
Kenichi Hatakeyama, Tokyo, JP;
Satoshi Yoshiuchi, Tokyo, JP;
Takashi Harada, Tokyo, JP;
Takashi Kizaki, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
342-1 ; 342-4 ; 342-3 ;
Abstract
For reduction in occupation space without sacrifice of the responsible broad bandwidth, an electromagnetic wave absorber for electromagnetic waves is provided with an absorbing sheet formed of a non-woven fabric containing conductive fibers mixed with insulative fibers, and each of the conductive fibers is selected from the group consisting of a metal fiber or a resin fiber coated with a conductive material.