GPS wave antenna apparatus

Details GPS wave antenna apparatus GPS wave antenna apparatus

1998-09-02

2000-01-18

Le, Hoanganh

Communications: radio wave antennas

Antennas

High frequency type loops

343866, 343872, 343728, H01Q 1112, H01Q 700, H01Q 142

Patent

active

060161280

ABSTRACT:
A GPS wave antenna apparatus according to the present invention includes a substrate unit having a printed board on which an antenna constituting element including a GPS wave antenna element is mounted integrally as one component, a case having an opening portion at one end, for detachably receiving the substrate unit through the opening portion, and a conductive plate attached to the case so as to block the opening portion and arranged opposite to the GPS wave antenna element at a fixed distance therebetween. The GPS wave antenna element has a thin-film conductive pattern, and the substrate unit includes a low noise amplifier provided on the printed board and a feeder connected to a feeder section of the antenna element through the low noise amplifier.

REFERENCES:
patent: 4717921 (1988-01-01), Ohe et al.
patent: 5300936 (1994-04-01), Izadian

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