Meander antenna device

Details Meander antenna device Meander antenna device

1997-06-11

2000-05-30

Font, Frank G.

Communications: radio wave antennas

Antennas

Spiral or helical type

343702, H01Q 136, H01Q 124

Patent

active

060695927

ABSTRACT:
An antenna means for a portable radio communication device, in particular a hand-portable mobile telephone, having at least one radiating element that has a meandering and cylindrical configuration. This structure is specifically advantageous in combination with an extendable and retractable whip antenna and, when having two or more meandering radiating elements, in multi-band radiating structures. The antenna device is suitable for manufacturing in large quantities, for example by a flexible printed circuit board technique.

REFERENCES:
patent: 4121218 (1978-10-01), Irwin et al.
patent: 5374937 (1994-12-01), Tsunekawa et al.
patent: 5559524 (1996-09-01), Takei et al.
Ali et al, IEEE 1995, "A Wideband Dual Meander Sleeve Antenna", pp. 1124-1127.
Ali et al, IEEE 1995, Short Sinusoidal Antennas for Wireless Communications, pp. 542-545.
Derwent Accession No. 96-249236, Jun. 1996, "Antenna device for e.g. cordless telephone . . . ", JP-08102617, 3 pgs.

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