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 6320-01-056-1164
NSN 6220-01-317-7625
NSN 5910-01-446-3864
NSN 6320-01-387-3230
NSN 5835-00-113-6090
NSN 5905-01-157-4493
NSN 5925-01-442-5795
NSN 5990-01-374-3877
NSN 2925-00-041-0439
NSN 5950-01-009-1329
NSN 6320-01-319-3584
NSN 6240-01-578-7443