Antenna device and array antenna

Details Antenna device and array antenna Antenna device and array antenna

2008-07-22

2008-07-22

Chen, Shih-Chao (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S770000, C343S771000

Reexamination Certificate

active

07403169

ABSTRACT:
The present invention relates to a broadband non-resonant antenna device for wireless transmission of information using electromagnetic signals, comprising a metal sheet layer, forming a plane, with a slotline that comprises a first part and a second part. The side of the second part that is the most distant from the first part transcends into a widening open-ended tapered slot in the metal sheet layer. The device additionally comprises a feeding line in the metal sheet layer. The feeding line comprises a feeding part, with a first end and a second end, and gaps separating the feeding part from the surrounding metal sheet layer by a certain distance, where the slotline is intersected by the feeding line.

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