Dual-band antenna with twin port

Details Dual-band antenna with twin port Dual-band antenna with twin port

2006-06-06

2006-06-06

Ho, Tan (Department: 2821)

Communications: radio wave antennas

Antennas

Slot type

C343S7000MS

Reexamination Certificate

active

07057568

ABSTRACT:
The invention proposes an antenna operating in two frequency bands and having two separate ports. The invention is a printed antenna with slot produced on a ground plane. Said antenna consisting of a slot1,said antenna having a first port produced by a first microstrip line2,the coupling between the first line2and the slot1being produced at a first distance L1from a closed end of the slot, and a second port produced by a second microstrip line4, the coupling between the second line4and the slot1being produced at a second distance L2from the closed end of the slot. The invention also pertains to a system of antennas which comprises at least two twin-port antennas.

REFERENCES:
patent: 5081466 (1992-01-01), Bitter, Jr.
patent: 5461392 (1995-10-01), Mott et al.
patent: 5905471 (1999-05-01), Biebl et al.
patent: 6292153 (2001-09-01), Aiello et al.
patent: 6657600 (2003-12-01), Thudor et al.
patent: 1 267 446 (2002-12-01), None
patent: 1 267 661 (2003-01-01), None
patent: 749337 (1956-05-01), None

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