Dual function communication antenna

Details Dual function communication antenna Dual function communication antenna

1999-02-02

2000-07-11

Wong, Don

Communications: radio wave antennas

Antennas

Microstrip

343830, 343853, H01Q 138

Patent

active

060879904

ABSTRACT:
An antenna assembly has a first antenna with a planar dielectric first substrate and electrically conductive layers on opposing major surfaces of the first substrate. One or more hollow electrical shunts extend between the conductive layers and separate conductors are connected to the geometric centers of each conductive layer to carry communication signals to and from the first antenna. A second antenna abuts the first antenna and has a second planar substrate of dielectric material with a conductive radiating pattern on one surface. In an active version of the second antenna, a low noise amplifier is mounted on the second substrate. Another conductor extends through the hollow electrical shunt and is connected to the conductive pattern.

REFERENCES:
patent: 4089003 (1978-05-01), Conroy
patent: 4218682 (1980-08-01), Yu
patent: 5041838 (1991-08-01), Liimatainen et al.
patent: 5121127 (1992-06-01), Toriyama
patent: 5323168 (1994-06-01), Itoh et al.
patent: 5438338 (1995-08-01), Thill
patent: 5568155 (1996-10-01), Tsunekawa et al.
patent: 5625365 (1997-04-01), Tom et al.

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