Directive antenna for mobile telephones

Details Directive antenna for mobile telephones Directive antenna for mobile telephones

1999-01-28

2000-11-14

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Microstrip

343702, H01Q 124

Patent

active

061476498

ABSTRACT:
The antenna comprises a single rectangular sheet of copper which has been bent firstly to produce a first patch antenna section 1 and secondly to produce a second patch antenna section 3, sections 1 and 3 being joined by and contiguous with section 2. Section 2 is an integral part of the copper sheet and maintains the two sections 1 and 3 in substantially parallel spaced relationship with each other. An air gap 4 exists between sections 1 and 3. Other low absorption insulators may be used in place of air gap 4 and may be selected from a range of such insulators well known in the art. The antenna is backed by a ground plane 6 and is fed by means of a coaxial connector 5 to the distal edge of the larger patch at 7 where excitation of the antenna is effected.

REFERENCES:
patent: 5148181 (1992-09-01), Yokoyama et al.

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