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.

Date of Patent:
Mar. 01, 2011

Filed:

Feb. 15, 2006
Applicants:

Toshio Kudo, Hyogo, JP;

Kazuyuki Kashihara, Hyogo, JP;

Katsunori Hosotani, Wakayama, JP;

Satoshi Sakai, Wakayama, JP;

Inventors:

Toshio Kudo, Hyogo, JP;

Kazuyuki Kashihara, Hyogo, JP;

Katsunori Hosotani, Wakayama, JP;

Satoshi Sakai, Wakayama, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electromagnetic screen () comprises a plurality of antennas () each of which reflects an electromagnetic wave having a specific frequency. The plurality of antennas () are arranged so as to constitute a pattern. Each of the antennas () has three segment-shaped first element parts () and three segment-shaped second element parts (). The three first element parts () radially extend from the center of the antenna () by substantially the same length such that any two of the three first element parts () form an angle of 120° with each other. Each of the second element parts () are connected to an outer edge of a corresponding one of the first element parts ().


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