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:
Dec. 26, 2000
Filed:
Mar. 04, 1999
Applicant:
Inventors:
Kenichi Noda, Nagoya, JP;
Takashi Sakurai, Seto, JP;
Assignee:
Ten Kabushiki Kaisha, Nagoya, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
428215 ; 428332 ; 428469 ; 428702 ; 342-1 ;
Abstract
An electromagnetic wave absorber includes a metal plate capable of reflecting electromagnetic waves and adapted to be fitted onto a fixed object. A first sintered ferrite plate is disposed in front of the metal plate, and has a thickness of between 3 and 5 mm. A dielectric member is disposed in front of the first sintered plate, and has a low dielectric constant and a thickness between 10 and 30 mm. And a second sintered ferrite plate is disposed in front of the dielectric member, and has a thickness of between 1 and 2 mm.