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.:
Date of Patent:
Mar. 20, 2012
Filed:
Sep. 17, 2010
Daigo Imano, Miyagi, JP;
Mitsuharu Nakasato, Miyagi, JP;
Nobuaki Tanaka, Kanagawa, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An object of the present invention is to provide an antenna device for a radio apparatus in which the amount of energy (SAR) absorbed by a head of a human body can be reduced without lowering the power of radio waves transmitted during a call. There is provided a boardserving as a base plate of an antenna element, an antenna elementdisposed in a longitudinally end portion of the boardthrough a feeding portion, a conductor platedisposed substantially in parallel with a main surface of the boardand disposed on the opposite side to a surface having a sound hole of a receiver portion, and a plurality of short-circuit conductorsdisposed on a lower end portion of the conductor plate. The conductor plateis short-circuited to a lower end portion of the boardthrough the short-circuit conductors