Signal distribution device operating in aircraft instrumental landing systems
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United States of America Patent
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Dec 22, 2009
Grant Date -
Feb 9, 2006
app pub date -
Dec 9, 2004
filing date -
Dec 10, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A distribution device for a glide guidance component, the distribution device including an array of antenna elements installed on a pylon. The distribution device includes: a first and a second input for receiving a CSB (carrier plus sideband) input signal and an SBO (sideband only) input signal respectively, a plurality of outputs connectable to the array and including a first and a second output for the first and second output signals, respectively; each of said output signals including a CSB component and an SBO component. The array of antenna elements is such as to irradiate an image-less type pattern and the distribution device is such that the outputs have an substantially equal amplitude value for each pair arranged symmetrically around a central point of the array and a phase difference which is identical for the two CSB and SBO components.
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