Antenna unit adaptable to a wideband

Communications: radio wave antennas – Antennas – Microstrip

Reexamination Certificate

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Details

C343S873000

Reexamination Certificate

active

07091909

ABSTRACT:
In a UWB antenna having an upper dielectric member, a lower dielectric member, and a conductor pattern interposed therebetween, the conductor pattern has a feeding point at a generally center portion of a front surface of the antenna. The conductor pattern further has an inverted triangular portion including a right tapered portion and a left tapered portion extending from the feeding point towards right and left side surfaces of the antenna, respectively. A main expanding portion expands from an upper side of the inverted triangular portion. A right expanding portion and a left expanding portion expand from the right and the left tapered portions of the inverted triangular portion, respectively.

REFERENCES:
patent: 3815141 (1974-06-01), Kigler
patent: 4605012 (1986-08-01), Ringeisen et al.
patent: 5995047 (1999-11-01), Freyssinier et al.
patent: 7-94934 (1995-04-01), None
patent: 10-190347 (1998-07-01), None

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