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:
Nov. 28, 2006

Filed:

Sep. 10, 2004
Applicants:

Tsuyoshi Furuno, Gamo-gun, JP;

Kazuo Watada, Soraku-gun, JP;

Koji Hamada, Soraku-gun, JP;

Shunichi Murakawa, Kyoto, JP;

Inventors:

Tsuyoshi Furuno, Gamo-gun, JP;

Kazuo Watada, Soraku-gun, JP;

Koji Hamada, Soraku-gun, JP;

Shunichi Murakawa, Kyoto, JP;

Assignee:

Kyocera Corporation, Kyoto, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

In order to provide a small size antenna where excellent antenna properties can be stably gained, a frequency adjustment is easy and a simple measurement is possible, according to the present invention, a small size antenna formed of a conductor of at least two adjoining surfaces of a base in rectangular parallelepiped form made of dielectric ceramics is characterized in that: a step is made of a flat portion parallel to one surface of the two adjoining surfaces and an inclining portion located between the one surface and the flat portion, in a corner portion of the two surfaces on which the conductor is formed; the width of the flat portion is 0.08 mm or less; and a border portion between the flat portion and the other surface of the two adjoining surfaces is a curve having a curvature radius R of 0.03 mm to 0.2 mm.


Find Patent Forward Citations

Loading…