ANTENNA DEVICE AND RADIO COMMUNICATION APPARATUS WITH THE SAME

PROBLEM TO BE SOLVED: To provide an antenna device and the like suitable for miniaturization by reducing the antenna device in size while securing a property of excellent isolation between two antenna elements. SOLUTION: The antenna device comprises: a substrate 10 with a ground conductor pattern 11...

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Bibliographic Details
Main Authors AOYAMA SHIGEYA, SATO MANABU, OTAKA NAOKI
Format Patent
LanguageEnglish
Published 22.10.2009
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRICITY
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Summary:PROBLEM TO BE SOLVED: To provide an antenna device and the like suitable for miniaturization by reducing the antenna device in size while securing a property of excellent isolation between two antenna elements. SOLUTION: The antenna device comprises: a substrate 10 with a ground conductor pattern 11 formed on a surface thereof; at least two antenna elements 12, 13 mounted, while being spaced apart from each other, in a mounting region R1 where the ground conductor pattern 11 is not formed on the surface of the substrate 10; and an isolation element 21 which is mounted at a position between the two antenna elements 12, 13 in the mounting region R1 and of which the proximal end is electrically connected with the ground conductor pattern 11. The isolation element 21 is configured by including a linear conductor connected by a plurality of bent portions. Thus, a length Y21 of the mounting region R1 in a Y direction can be reduced. COPYRIGHT: (C)2010,JPO&INPIT
Bibliography:Application Number: JP20080088781