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:
Jun. 26, 2007

Filed:

Jun. 08, 2005
Applicant:

Katsuhiro Ohara, Obu, JP;

Inventor:

Katsuhiro Ohara, Obu, JP;

Assignee:

DENSO Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 (2006.01); H01Q 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A compact and low-lying antenna system for receiving a radio wave includes a ground plate, a first crooked monopole antenna having a horizontal portion extending in parallel with the ground plate and a vertical portion extending vertically to the ground plate in such that the length of the horizontal portion and the vertical portion is approximately a quarter of the radio wave length, a second crooked monopole antenna having a horizontal portion extending in parallel with the ground plate and a vertical portion extending vertically to the ground plate in such that the length of the horizontal portion and the vertical portion is approximately a quarter of the radio wave length. The first and second antennas are disposed side by side at a distance that is approximately a quarter of the radio wave length.


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