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.:

US 8228231 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 24, 2012

Filed:

Apr. 19, 2010
Applicant:

Akira Ono, Nagoya, JP;

Inventor:

Akira Ono, Nagoya, JP;

Assignee:

Buffalo Inc., Nagoya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 3/00 (2006.01); H01Q 3/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

The antenna unitincludes a first antennapositioned so as to face in the direction of gravity when the unit is oriented transversely, and a second antennapositioned so as to face in the direction of gravity when the unit is oriented longitudinally. Based on the output of a sensorthat detects whether the antenna unitis oriented transversely or oriented longitudinally, a switch controllerperforms switching of an RF switchso that the first antenna is used for reception or transmission of vertically polarized waves when the antenna unitis oriented transversely, and the second antenna is used for reception or transmission of vertically polarized waves when the antenna unitis oriented longitudinally.


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Ono, Akira. (2012). Antenna unit (U.S. Patent No. 8228231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8228231

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