Antenna apparatus, printed wiring board, printed circuit...

Details Antenna apparatus, printed wiring board, printed circuit... Antenna apparatus, printed wiring board, printed circuit...

2005-09-20

2005-09-20

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S702000, C343S841000, C343S846000

Reexamination Certificate

active

06946996

ABSTRACT:
An antenna apparatus is provided that includes a printed wiring board, electronic components disposed on the printed wiring board, a shielding member (ground member) that is disposed on the printed wiring board. The shielding member has a length along a predetermined directional axis X set substantially to ¼λ or more, the wavelength of an electromagnetic wave used for communication being λ. An antenna element extends in a direction crossing the directional axis X and is grounded to the shielding member (ground member).

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Communication from European Patent Office regarding counterpart application.

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