Communications: radio wave antennas – Antennas – Plural separate diverse type
Patent
1996-12-20
1999-01-12
Le, Hoanganh
Communications: radio wave antennas
Antennas
Plural separate diverse type
343720, 343753, 343754, 343755, H01Q 2100
Patent
active
058596186
ABSTRACT:
An antenna structure includes a plurality of vertical directed antennas mounted on an insulated cylindrical substrate. A parabolic reflecting antenna is mounted at one end of the cylindrical substrate cavity and a dielectric lens admits radiation through the cylindrical cavity to the parabolic reflector. Optical detectors are located on the cylindrical substrate periphery and exposed to optical signals through an InfraRed (IR) optical filter.
REFERENCES:
patent: 4827276 (1989-05-01), Fukuzawa et al.
patent: 5317327 (1994-05-01), Piole
patent: 5483663 (1996-01-01), Tawil
Miller II Robert Raymond
Russell Jesse Eugene
Schroeder Robert Edward
AT&T Corp
Le Hoang-anh
Nguyen Hoang
Steinmetz Alfred G.
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