COMPACT MECHANISM FOR INTER-PUPIL DISTANCE ADJUSTMENT OF VIEWING SYSTEMS
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United States of America Patent
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Dec 1, 2016
app pub date -
Aug 27, 2015
filing date -
Jul 23, 2012
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Abstract
The present invention provides an apparatus and method for adjusting an inter-pupil distance between eyepieces associated with a pair of telescopic elements in a viewing system with each of the telescopic elements having a corresponding rectilinear focal plane array at the focal plane thereof. The apparatus includes a mechanical drive for moving the focal plane arrays associated with the telescopic elements, wherein the inter-pupil distance is adjusted without skewing an orientation of the focal plane arrays, wherein distortion associated with inter-pupil distance adjustment is eliminated.
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