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:
Sep. 02, 2008

Filed:

Apr. 17, 2007
Applicants:

Kiyoshi Oshima, Chiyoda-ku, JP;

Osamu Kagaya, Chiyoda-ku, JP;

Koji Ikawa, Chiyoda-ku, JP;

Toshifumi Funatsu, Chiyoda-ku, JP;

Inventors:

Kiyoshi Oshima, Chiyoda-ku, JP;

Osamu Kagaya, Chiyoda-ku, JP;

Koji Ikawa, Chiyoda-ku, JP;

Toshifumi Funatsu, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

A plurality of heating wireshave a plurality of detoursformed therein, the heating wireshave inletsformed therein for connection with the detours, and both ends of each of the inletsand both ends of each of the detoursare connected by a pair of connection lines. When a shorter one of the shortest spacing between the paired connection linesand the shortest spacing between both ends of the inletsis called W, when the maximum width of the detoursin a horizontal direction is called W, when a received frequency has a wavelength of λin the air, and when the formula of {(W−W)/2}=Lis established, the formula of L≧0.0053·λis satisfied.


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