Compact multiband antenna

Details Compact multiband antenna Compact multiband antenna

2005-08-16

2005-08-16

Nguyen, Hoang V. (Department: 2821)

Communications: radio wave antennas

Antennas

With radio cabinet

C343S770000, C343S846000

Reexamination Certificate

active

06930642

ABSTRACT:
The present invention provides a multiband antenna (1) comprising: a plane type ground element (11); a plane type “lower” active radiating element (2) including at least one “lower” slot (9); a plane type “upper” active radiating element (3) including at least one “upper” slot (10); a first short circuit element (4) electrically connecting said lower element to said upper element; a second short circuit element (5) also connecting said lower element to said ground element; a primary signal source (7); a “lower” thin sheet (12) of a first dielectric material; and an “upper” thin sheet (13) of a second dielectric material. The antenna also has a third short circuit element (6) electrically connecting said lower element and said ground element, and at least one lower slot and at least one upper slot are radiating slots.

REFERENCES:
patent: 5943020 (1999-08-01), Liebendoerfer et al.
patent: 5986606 (1999-11-01), Kossiavas et al.
patent: 6049314 (2000-04-01), Munson et al.
patent: 6348892 (2002-02-01), Annamaa et al.
patent: 2002/0140607 (2002-10-01), Zhou
patent: 0 777 295 (1997-06-01), None
patent: 0 795 926 (1997-09-01), None
patent: 1 085 595 (2001-03-01), None
patent: 1 094 545 (2001-04-01), None

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