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 6645-01-388-9648
NSN 5930-01-225-9354
NSN 6110-01-348-9740
NSN 2925-01-136-2551
NSN 5920-01-021-5198
NSN 5920-01-146-9154
NSN 6135-00-223-9563
NSN 5965-00-497-8820
NSN 5935-01-408-6558
NSN 5950-01-307-6015
NSN 5990-00-965-0495
NSN 6685-01-289-2988