Multi-band antenna suitable for use in a mobile radio device

Details Multi-band antenna suitable for use in a mobile radio device Multi-band antenna suitable for use in a mobile radio device

1998-07-23

2000-12-19

Ho, Tan

Communications: radio wave antennas

Antennas

With radio cabinet

343895, 343901, H01Q 124

Patent

active

061633003

ABSTRACT:
In a multi-band antenna (10) being provided with an antenna element having an LC parallel resonance circuit (3) and a first and a second radiation element (1,2) connected to opposite ends of the LC parallel resonance circuit, the LC parallel resonance circuit is constituted by self-resonance of an inductor itself. A telescopic whip antenna may be constituted by combining a small-size antenna and a whip antenna which is receivable in a radio device casing and expandable.

REFERENCES:
patent: 1783025 (1930-11-01), Meissner
patent: 2648771 (1953-08-01), Cork
patent: 4490727 (1984-12-01), Kowols
patent: 4924238 (1990-05-01), Ploussios
patent: 5134419 (1992-07-01), Egashira
patent: 5412392 (1995-05-01), Tsunekawa
patent: 5438339 (1995-08-01), Itoh et al.
patent: 5446469 (1995-08-01), Makino
patent: 5479178 (1995-12-01), Ha
patent: 5661495 (1997-08-01), Saldell
patent: 5734352 (1998-03-01), Seward et al.
patent: 5859617 (1999-01-01), Fujikawa

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