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Tracking falling objectsMoving lens follows movement of object accelerated by gravity. Lenses and mirrors maintain constant magnification regardless of distance between moving optical carriage mechanism and fixed telescope. Device tracks objects up to 2 cm in diameter over vertical distance of 2 m.
Document ID
19800000328
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Frazer, R. E.
(Caltech)
Date Acquired
August 10, 2013
Publication Date
January 1, 1981
Publication Information
Publication: NASA Tech Briefs
Volume: 5
Issue: 3
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-14813
Accession Number
80B10328
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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