Device for generating a light beam with three or more sectors for a glide angle indicator for aircraft and a guide angle indicator comprising the device
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United States of America Patent
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Nov 29, 2016
Grant Date -
Jun 19, 2014
app pub date -
Dec 11, 2013
filing date -
Dec 18, 2012
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Abstract
An air intake device for a submarine comprises a first fixed member connected to the submarine hull and a second member which is telescopically movable relative to the first member to rise up with an upper end of it above the water's surface to allow air to be taken in from the atmosphere during navigation of the submarine at periscope depth, the movable member mounting at its upper end a radar device designed to emerge from the water together with the selfsame movable member.
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