Surface mount antenna, and an antenna element mounting method

Details Surface mount antenna, and an antenna element mounting method Surface mount antenna, and an antenna element mounting method

2006-04-25

2006-04-25

Vo, Tuyet (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S846000

Reexamination Certificate

active

07034752

ABSTRACT:
A surface mount antenna is configured by mounting on a board a dielectric material on which electrodes are provided, wherein an antenna element comprises the electrodes having a ground electrode and a feed electrode, and a ground mount pattern connected to the ground electrode of the electrode and a feed mount pattern connected to the feed electrode of the electrode are formed on the board with a predetermined distance in-between. A frequency is adjusted by changing impedance by varying a pattern width of a portion connecting a ground electrode of the electrodes and a GND pattern of a ground side of the board, and an impedance matching is performed by changing capacitance based on dielectric constant of the board by varying area of a surface of a feed pattern at a position where a feed electrode of the electrodes and a feed side of the board are in opposing relation.

REFERENCES:
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patent: 5537123 (1996-07-01), Mandai et al.
patent: 5861854 (1999-01-01), Kawahata et al.
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patent: 6639559 (2003-10-01), Okabe et al.
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patent: WO 01/11721 (2001-02-01), None
EPO Search Report dated Aug. 12, 2004.

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