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 5935-01-429-9941
NSN 5975-01-282-0477
NSN 6110-00-007-6453
NSN 5855-01-250-2421
NSN 6685-01-167-2966
NSN 5930-01-466-9698
NSN 5920-00-054-7048
NSN 5930-00-293-8197
NSN 6145-01-255-0270
NSN 6130-00-354-9851
NSN 7035-00-442-1869
NSN 6145-01-105-8937