Surface mount antenna, antenna device using the same, and...

Details Surface mount antenna, antenna device using the same, and... Surface mount antenna, antenna device using the same, and...

2005-09-27

2005-09-27

Le, Hoanganh (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S7000MS

Reexamination Certificate

active

06950072

ABSTRACT:
A surface mount antenna includes a loop-shaped radiation electrode arranged so as to be extended over a plurality of surfaces of a dielectric substrate. The front end side of the loop-shaped radiation electrode is branched to provide a plurality of branched radiation electrodes. One side end of the radiation electrode functions as a electric feeding portion connected to an external circuit. One of the branched radiation electrodes is an in-loop branched radiation electrode which is surrounded by a loop-shaped electrode portion including the radiation electrode portion extended from the feeding portion of the radiation electrode to a branching portion and the other branched radiation electrode connected to the radiation electrode portion, the in-loop branched radiation electrode being positioned at an interval from the loop-shaped electrode. A capacitance is generated between the one of the branched radiation electrodes and the radiation electrode portion extended from the feeding portion of the radiation electrode to the branching portion.

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patent: WO 99/22420 (1999-05-01), None

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