Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Reexamination Certificate
2007-03-06
2007-03-06
Phan, Dao (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including antenna orientation
C342S074000, C342S357490
Reexamination Certificate
active
11215326
ABSTRACT:
Provided is an antenna control apparatus for controlling an antenna mounted on a stratospheric platform of the stratospheric communication system. The apparatus includes a plurality of location signal receivers, each receiver being positioned at each of predefined different points of the stratospheric platform and receiving a location signal for the stratospheric platform, a calculating circuit for calculating an adjustable displacement for the antenna, and an antenna driver for adjusting a direction of the antenna. The calculating circuit calculates a location and attitude of the stratospheric platform based on the location signals, and then computes the adjustable displacement using the location and attitude information. This invention can reduce power consumption in the stratospheric platform and recovery time of directional point of the beam.
REFERENCES:
patent: 6567052 (2003-05-01), Wang et al.
patent: 2002/0067311 (2002-06-01), Wildey et al.
patent: 2006/0022089 (2006-02-01), Lloyd
patent: 2002-223110 (2002-08-01), None
patent: 10-2004 0010247 (2004-01-01), None
Ahn Do-Seob
Kang Byung-Su
Kim Yang-Su
Ku Bon-Jun
Electronics and Telecommunications Research Institute
Ladas & Parry LLP
Phan Dao
LandOfFree
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