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"Thumball" Auxiliary Data-Input DeviceTrack-ball-type device mounted on joystick and operated by thumb. Thumball designed to enable precise input of data about two different axes to autopilot, avionics computer, or other electronic device without need for operator to remove hands from joystick or other vehicle control levers.
Document ID
19880000158
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Garner, H. Douglas (NASA Langley Research Center, Hampton, Va.)
Busquets, Anthony M. (NASA Langley Research Center, Hampton, Va.)
Hogge, Thomas W. (NASA Langley Research Center, Hampton, Va.)
Parrish, Russell V. (NASA Langley Research Center, Hampton, Va.)
Date Acquired
August 13, 2013
Publication Date
March 1, 1988
Publication Information
Publication: NASA Tech Briefs
Volume: 12
Issue: 3
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
LAR-13626
Accession Number
88B10158
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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