A device which includes a sphere mounted in a small open-topped box. The sphere is hand-operated by rotating it in a backward, a forward, or a sideway direction while maintaining the device in a fixed location. The movement of the sphere generates a signal which may be used to move a cursor and/or tracking symbol on the face of a display, such as a cathode ray tube; to input data into an electronic system; and/or to control the operation of a system. It may or may not include additional input devices, such as switches or variable resistors.
Classification: Adp input/output units, nesoi
NSN 6240-01-302-3838
NSN 5930-01-398-9576
NSN 4140-01-174-7310
NSN 4140-01-053-1123
NSN 5945-01-175-2885
NSN 5905-00-335-0644
NSN 6130-00-958-9796
NSN 4140-00-419-0631
NSN 6620-00-708-1417
NSN 6135-01-465-2681
NSN 5935-01-209-0161
NSN 2925-00-540-9918